sdl-ios-xcode: src/stdlib/SDL

annotate src/stdlib/SDL_iconv.c @ 4053:0aadbc81c497 SDL-1.2

Fixed bug #455 If passed "" for the character set, let iconv_open() interpret it as locale.

author	Sam Lantinga <slouken@libsdl.org>
date	Thu, 12 Jul 2007 07:29:19 +0000
parents	098ac044cd2f
children	64bf737873a2

rev	line source
1501 73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1 /*
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2 SDL - Simple DirectMedia Layer
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3 Copyright (C) 1997-2006 Sam Lantinga
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5 This library is free software; you can redistribute it and/or
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6 modify it under the terms of the GNU Lesser General Public
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7 License as published by the Free Software Foundation; either
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	8 version 2.1 of the License, or (at your option) any later version.
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	9
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	10 This library is distributed in the hope that it will be useful,
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	11 but WITHOUT ANY WARRANTY; without even the implied warranty of
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	13 Lesser General Public License for more details.
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	14
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	15 You should have received a copy of the GNU Lesser General Public
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	16 License along with this library; if not, write to the Free Software
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	18
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	19 Sam Lantinga
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	20 slouken@libsdl.org
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	21 */
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	22 #include "SDL_config.h"
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	23
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	24 /* This file contains portable iconv functions for SDL */
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	25
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	26 #include "SDL_stdinc.h"
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	27 #include "SDL_endian.h"
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	28
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	29 #ifdef HAVE_ICONV
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	30
3987 00486a9c2893 iconv() doesn't write to the data, just make compilers happy Sam Lantinga <slouken@libsdl.org> parents: 3986 diff changeset	31 /* Depending on which standard the iconv() was implemented with,
00486a9c2893 iconv() doesn't write to the data, just make compilers happy Sam Lantinga <slouken@libsdl.org> parents: 3986 diff changeset	32 iconv() may or may not use const char ** for the inbuf param.
00486a9c2893 iconv() doesn't write to the data, just make compilers happy Sam Lantinga <slouken@libsdl.org> parents: 3986 diff changeset	33 If we get this wrong, it's just a warning, so no big deal.
00486a9c2893 iconv() doesn't write to the data, just make compilers happy Sam Lantinga <slouken@libsdl.org> parents: 3986 diff changeset	34 */
00486a9c2893 iconv() doesn't write to the data, just make compilers happy Sam Lantinga <slouken@libsdl.org> parents: 3986 diff changeset	35 #if defined(_XGP6) \|\| \
00486a9c2893 iconv() doesn't write to the data, just make compilers happy Sam Lantinga <slouken@libsdl.org> parents: 3986 diff changeset	36 defined(__GLIBC__) && ((__GLIBC__ > 2) \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 2))
00486a9c2893 iconv() doesn't write to the data, just make compilers happy Sam Lantinga <slouken@libsdl.org> parents: 3986 diff changeset	37 #define ICONV_INBUF_NONCONST
00486a9c2893 iconv() doesn't write to the data, just make compilers happy Sam Lantinga <slouken@libsdl.org> parents: 3986 diff changeset	38 #endif
00486a9c2893 iconv() doesn't write to the data, just make compilers happy Sam Lantinga <slouken@libsdl.org> parents: 3986 diff changeset	39
1501 73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	40 #include <errno.h>
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	41
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	42 size_t SDL_iconv(SDL_iconv_t cd,
3984 b74530a1dad6 Better fix for bug 419 Sam Lantinga <slouken@libsdl.org> parents: 3918 diff changeset	43 const char *inbuf, size_t inbytesleft,
1501 73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	44 char *outbuf, size_t outbytesleft)
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	45 {
3985 2f8efcf14c83 Okay, apparently the newer standard specifies char** for the inbuf Sam Lantinga <slouken@libsdl.org> parents: 3984 diff changeset	46 size_t retCode;
3987 00486a9c2893 iconv() doesn't write to the data, just make compilers happy Sam Lantinga <slouken@libsdl.org> parents: 3986 diff changeset	47 #ifdef ICONV_INBUF_NONCONST
00486a9c2893 iconv() doesn't write to the data, just make compilers happy Sam Lantinga <slouken@libsdl.org> parents: 3986 diff changeset	48 retCode = iconv(cd, (char **)inbuf, inbytesleft, outbuf, outbytesleft);
3985 2f8efcf14c83 Okay, apparently the newer standard specifies char** for the inbuf Sam Lantinga <slouken@libsdl.org> parents: 3984 diff changeset	49 #else
3987 00486a9c2893 iconv() doesn't write to the data, just make compilers happy Sam Lantinga <slouken@libsdl.org> parents: 3986 diff changeset	50 retCode = iconv(cd, inbuf, inbytesleft, outbuf, outbytesleft);
3985 2f8efcf14c83 Okay, apparently the newer standard specifies char** for the inbuf Sam Lantinga <slouken@libsdl.org> parents: 3984 diff changeset	51 #endif
1501 73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	52 if ( retCode == (size_t)-1 ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	53 switch(errno) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	54 case E2BIG:
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	55 return SDL_ICONV_E2BIG;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	56 case EILSEQ:
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	57 return SDL_ICONV_EILSEQ;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	58 case EINVAL:
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	59 return SDL_ICONV_EINVAL;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	60 default:
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	61 return SDL_ICONV_ERROR;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	62 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	63 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	64 return retCode;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	65 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	66
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	67 #else
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	68
1503 5e4dad24a5de props yo Sam Lantinga <slouken@libsdl.org> parents: 1502 diff changeset	69 /* Lots of useful information on Unicode at:
5e4dad24a5de props yo Sam Lantinga <slouken@libsdl.org> parents: 1502 diff changeset	70 http://www.cl.cam.ac.uk/~mgk25/unicode.html
5e4dad24a5de props yo Sam Lantinga <slouken@libsdl.org> parents: 1502 diff changeset	71 */
5e4dad24a5de props yo Sam Lantinga <slouken@libsdl.org> parents: 1502 diff changeset	72
1501 73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	73 #define UNICODE_BOM 0xFEFF
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	74
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	75 #define UNKNOWN_ASCII '?'
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	76 #define UNKNOWN_UNICODE 0xFFFD
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	77
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	78 enum {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	79 ENCODING_UNKNOWN,
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	80 ENCODING_ASCII,
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	81 ENCODING_LATIN1,
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	82 ENCODING_UTF8,
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	83 ENCODING_UTF16, /* Needs byte order marker */
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	84 ENCODING_UTF16BE,
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	85 ENCODING_UTF16LE,
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	86 ENCODING_UTF32, /* Needs byte order marker */
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	87 ENCODING_UTF32BE,
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	88 ENCODING_UTF32LE,
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	89 ENCODING_UCS2, /* Native byte order assumed */
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	90 ENCODING_UCS4, /* Native byte order assumed */
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	91 };
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	92 #if SDL_BYTEORDER == SDL_BIG_ENDIAN
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	93 #define ENCODING_UTF16NATIVE ENCODING_UTF16BE
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	94 #define ENCODING_UTF32NATIVE ENCODING_UTF32BE
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	95 #else
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	96 #define ENCODING_UTF16NATIVE ENCODING_UTF16LE
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	97 #define ENCODING_UTF32NATIVE ENCODING_UTF32LE
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	98 #endif
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	99
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	100 struct _SDL_iconv_t
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	101 {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	102 int src_fmt;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	103 int dst_fmt;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	104 };
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	105
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	106 static struct {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	107 const char *name;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	108 int format;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	109 } encodings[] = {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	110 { "ASCII", ENCODING_ASCII },
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	111 { "US-ASCII", ENCODING_ASCII },
3997 6a4f3a32c2e6 Fixed bug #349 Sam Lantinga <slouken@libsdl.org> parents: 3987 diff changeset	112 { "8859-1", ENCODING_LATIN1 },
1501 73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	113 { "ISO-8859-1", ENCODING_LATIN1 },
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	114 { "UTF8", ENCODING_UTF8 },
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	115 { "UTF-8", ENCODING_UTF8 },
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	116 { "UTF16", ENCODING_UTF16 },
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	117 { "UTF-16", ENCODING_UTF16 },
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	118 { "UTF16BE", ENCODING_UTF16BE },
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	119 { "UTF-16BE", ENCODING_UTF16BE },
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	120 { "UTF16LE", ENCODING_UTF16LE },
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	121 { "UTF-16LE", ENCODING_UTF16LE },
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	122 { "UTF32", ENCODING_UTF32 },
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	123 { "UTF-32", ENCODING_UTF32 },
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	124 { "UTF32BE", ENCODING_UTF32BE },
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	125 { "UTF-32BE", ENCODING_UTF32BE },
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	126 { "UTF32LE", ENCODING_UTF32LE },
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	127 { "UTF-32LE", ENCODING_UTF32LE },
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	128 { "UCS2", ENCODING_UCS2 },
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	129 { "UCS-2", ENCODING_UCS2 },
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	130 { "UCS4", ENCODING_UCS4 },
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	131 { "UCS-4", ENCODING_UCS4 },
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	132 };
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	133
4053 0aadbc81c497 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 3998 diff changeset	134 static const char *getlocale()
0aadbc81c497 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 3998 diff changeset	135 {
0aadbc81c497 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 3998 diff changeset	136 const char *lang;
0aadbc81c497 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 3998 diff changeset	137
0aadbc81c497 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 3998 diff changeset	138 lang = SDL_getenv("LC_ALL");
0aadbc81c497 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 3998 diff changeset	139 if ( !lang ) {
0aadbc81c497 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 3998 diff changeset	140 lang = SDL_getenv("LC_CTYPE");
0aadbc81c497 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 3998 diff changeset	141 }
0aadbc81c497 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 3998 diff changeset	142 if ( !lang ) {
0aadbc81c497 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 3998 diff changeset	143 lang = SDL_getenv("LC_MESSAGES");
0aadbc81c497 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 3998 diff changeset	144 }
0aadbc81c497 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 3998 diff changeset	145 if ( !lang ) {
0aadbc81c497 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 3998 diff changeset	146 lang = SDL_getenv("LANG");
0aadbc81c497 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 3998 diff changeset	147 }
0aadbc81c497 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 3998 diff changeset	148 if ( !lang \|\| !*lang \|\| SDL_strcmp(lang, "C") == 0 ) {
0aadbc81c497 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 3998 diff changeset	149 lang = "ASCII";
0aadbc81c497 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 3998 diff changeset	150 }
0aadbc81c497 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 3998 diff changeset	151 return lang;
0aadbc81c497 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 3998 diff changeset	152 }
0aadbc81c497 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 3998 diff changeset	153
1501 73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	154 SDL_iconv_t SDL_iconv_open(const char tocode, const char fromcode)
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	155 {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	156 int src_fmt = ENCODING_UNKNOWN;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	157 int dst_fmt = ENCODING_UNKNOWN;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	158 int i;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	159
4053 0aadbc81c497 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 3998 diff changeset	160 if ( !fromcode \|\| !*fromcode ) {
0aadbc81c497 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 3998 diff changeset	161 fromcode = getlocale();
0aadbc81c497 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 3998 diff changeset	162 }
0aadbc81c497 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 3998 diff changeset	163 if ( !tocode \|\| !*tocode ) {
0aadbc81c497 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 3998 diff changeset	164 fromcode = getlocale();
0aadbc81c497 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 3998 diff changeset	165 }
1501 73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	166 for ( i = 0; i < SDL_arraysize(encodings); ++i ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	167 if ( SDL_strcasecmp(fromcode, encodings[i].name) == 0 ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	168 src_fmt = encodings[i].format;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	169 if ( dst_fmt != ENCODING_UNKNOWN ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	170 break;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	171 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	172 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	173 if ( SDL_strcasecmp(tocode, encodings[i].name) == 0 ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	174 dst_fmt = encodings[i].format;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	175 if ( src_fmt != ENCODING_UNKNOWN ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	176 break;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	177 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	178 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	179 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	180 if ( src_fmt != ENCODING_UNKNOWN && dst_fmt != ENCODING_UNKNOWN ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	181 SDL_iconv_t cd = (SDL_iconv_t)SDL_malloc(sizeof(*cd));
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	182 if ( cd ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	183 cd->src_fmt = src_fmt;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	184 cd->dst_fmt = dst_fmt;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	185 return cd;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	186 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	187 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	188 return (SDL_iconv_t)-1;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	189 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	190
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	191 size_t SDL_iconv(SDL_iconv_t cd,
3918 f16c15f3bc2b Minor const correctness patch to SDL_iconv. Ryan C. Gordon <icculus@icculus.org> parents: 1849 diff changeset	192 const char *inbuf, size_t inbytesleft,
1501 73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	193 char *outbuf, size_t outbytesleft)
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	194 {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	195 /* For simplicity, we'll convert everything to and from UCS-4 */
3918 f16c15f3bc2b Minor const correctness patch to SDL_iconv. Ryan C. Gordon <icculus@icculus.org> parents: 1849 diff changeset	196 const char *src;
f16c15f3bc2b Minor const correctness patch to SDL_iconv. Ryan C. Gordon <icculus@icculus.org> parents: 1849 diff changeset	197 char *dst;
1501 73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	198 size_t srclen, dstlen;
1849 b5a4ac87b98c Fixed uninitialized variable warnings Sam Lantinga <slouken@libsdl.org> parents: 1519 diff changeset	199 Uint32 ch = 0;
1501 73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	200 size_t total;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	201
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	202 if ( !inbuf \|\| !*inbuf ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	203 /* Reset the context */
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	204 return 0;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	205 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	206 if ( !outbuf \|\| !outbuf \|\| !outbytesleft \|\| !outbytesleft ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	207 return SDL_ICONV_E2BIG;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	208 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	209 src = *inbuf;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	210 srclen = (inbytesleft ? *inbytesleft : 0);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	211 dst = *outbuf;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	212 dstlen = *outbytesleft;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	213
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	214 switch ( cd->src_fmt ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	215 case ENCODING_UTF16:
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	216 /* Scan for a byte order marker */
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	217 {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	218 Uint8 p = (Uint8 )src;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	219 size_t n = srclen / 2;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	220 while ( n ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	221 if ( p[0] == 0xFF && p[1] == 0xFE ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	222 cd->src_fmt = ENCODING_UTF16BE;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	223 break;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	224 } else if ( p[0] == 0xFE && p[1] == 0xFF ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	225 cd->src_fmt = ENCODING_UTF16LE;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	226 break;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	227 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	228 p += 2;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	229 --n;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	230 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	231 if ( n == 0 ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	232 /* We can't tell, default to host order */
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	233 cd->src_fmt = ENCODING_UTF16NATIVE;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	234 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	235 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	236 break;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	237 case ENCODING_UTF32:
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	238 /* Scan for a byte order marker */
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	239 {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	240 Uint8 p = (Uint8 )src;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	241 size_t n = srclen / 4;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	242 while ( n ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	243 if ( p[0] == 0xFF && p[1] == 0xFE &&
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	244 p[2] == 0x00 && p[3] == 0x00 ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	245 cd->src_fmt = ENCODING_UTF32BE;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	246 break;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	247 } else if ( p[0] == 0x00 && p[1] == 0x00 &&
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	248 p[2] == 0xFE && p[3] == 0xFF ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	249 cd->src_fmt = ENCODING_UTF32LE;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	250 break;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	251 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	252 p += 4;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	253 --n;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	254 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	255 if ( n == 0 ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	256 /* We can't tell, default to host order */
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	257 cd->src_fmt = ENCODING_UTF32NATIVE;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	258 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	259 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	260 break;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	261 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	262
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	263 switch ( cd->dst_fmt ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	264 case ENCODING_UTF16:
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	265 /* Default to host order, need to add byte order marker */
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	266 if ( dstlen < 2 ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	267 return SDL_ICONV_E2BIG;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	268 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	269 (Uint16 )dst = UNICODE_BOM;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	270 dst += 2;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	271 dstlen -= 2;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	272 cd->dst_fmt = ENCODING_UTF16NATIVE;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	273 break;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	274 case ENCODING_UTF32:
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	275 /* Default to host order, need to add byte order marker */
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	276 if ( dstlen < 4 ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	277 return SDL_ICONV_E2BIG;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	278 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	279 (Uint32 )dst = UNICODE_BOM;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	280 dst += 4;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	281 dstlen -= 4;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	282 cd->dst_fmt = ENCODING_UTF32NATIVE;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	283 break;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	284 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	285
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	286 total = 0;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	287 while ( srclen > 0 ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	288 /* Decode a character */
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	289 switch ( cd->src_fmt ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	290 case ENCODING_ASCII:
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	291 {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	292 Uint8 p = (Uint8 )src;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	293 ch = (Uint32)(p[0] & 0x7F);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	294 ++src;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	295 --srclen;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	296 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	297 break;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	298 case ENCODING_LATIN1:
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	299 {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	300 Uint8 p = (Uint8 )src;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	301 ch = (Uint32)p[0];
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	302 ++src;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	303 --srclen;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	304 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	305 break;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	306 case ENCODING_UTF8: /* RFC 3629 */
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	307 {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	308 Uint8 p = (Uint8 )src;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	309 size_t left = 0;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	310 SDL_bool overlong = SDL_FALSE;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	311 if ( p[0] >= 0xFC ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	312 if ( (p[0] & 0xFE) != 0xFC ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	313 /* Skip illegal sequences
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	314 return SDL_ICONV_EILSEQ;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	315 */
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	316 ch = UNKNOWN_UNICODE;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	317 } else {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	318 if ( p[0] == 0xFC ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	319 overlong = SDL_TRUE;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	320 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	321 ch = (Uint32)(p[0] & 0x01);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	322 left = 5;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	323 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	324 } else if ( p[0] >= 0xF8 ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	325 if ( (p[0] & 0xFC) != 0xF8 ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	326 /* Skip illegal sequences
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	327 return SDL_ICONV_EILSEQ;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	328 */
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	329 ch = UNKNOWN_UNICODE;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	330 } else {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	331 if ( p[0] == 0xF8 ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	332 overlong = SDL_TRUE;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	333 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	334 ch = (Uint32)(p[0] & 0x03);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	335 left = 4;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	336 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	337 } else if ( p[0] >= 0xF0 ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	338 if ( (p[0] & 0xF8) != 0xF0 ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	339 /* Skip illegal sequences
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	340 return SDL_ICONV_EILSEQ;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	341 */
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	342 ch = UNKNOWN_UNICODE;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	343 } else {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	344 if ( p[0] == 0xF0 ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	345 overlong = SDL_TRUE;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	346 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	347 ch = (Uint32)(p[0] & 0x07);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	348 left = 3;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	349 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	350 } else if ( p[0] >= 0xE0 ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	351 if ( (p[0] & 0xF0) != 0xE0 ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	352 /* Skip illegal sequences
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	353 return SDL_ICONV_EILSEQ;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	354 */
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	355 ch = UNKNOWN_UNICODE;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	356 } else {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	357 if ( p[0] == 0xE0 ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	358 overlong = SDL_TRUE;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	359 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	360 ch = (Uint32)(p[0] & 0x0F);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	361 left = 2;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	362 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	363 } else if ( p[0] >= 0xC0 ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	364 if ( (p[0] & 0xE0) != 0xC0 ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	365 /* Skip illegal sequences
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	366 return SDL_ICONV_EILSEQ;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	367 */
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	368 ch = UNKNOWN_UNICODE;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	369 } else {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	370 if ( (p[0] & 0xCE) == 0xC0 ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	371 overlong = SDL_TRUE;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	372 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	373 ch = (Uint32)(p[0] & 0x1F);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	374 left = 1;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	375 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	376 } else {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	377 if ( (p[0] & 0x80) != 0x00 ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	378 /* Skip illegal sequences
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	379 return SDL_ICONV_EILSEQ;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	380 */
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	381 ch = UNKNOWN_UNICODE;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	382 } else {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	383 ch = (Uint32)p[0];
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	384 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	385 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	386 ++src;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	387 --srclen;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	388 if ( srclen < left ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	389 return SDL_ICONV_EINVAL;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	390 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	391 while ( left-- ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	392 ++p;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	393 if ( (p[0] & 0xC0) != 0x80 ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	394 /* Skip illegal sequences
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	395 return SDL_ICONV_EILSEQ;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	396 */
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	397 ch = UNKNOWN_UNICODE;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	398 break;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	399 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	400 ch <<= 6;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	401 ch \|= (p[0] & 0x3F);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	402 ++src;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	403 --srclen;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	404 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	405 if ( overlong ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	406 /* Potential security risk
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	407 return SDL_ICONV_EILSEQ;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	408 */
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	409 ch = UNKNOWN_UNICODE;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	410 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	411 if ( (ch >= 0xD800 && ch <= 0xDFFF) \|\|
1519 c99e7a9c9bc9 RFC 3629 restricted the range of characters encoded with UTF-8 to 0000-10FFFF (the UTF-16 accessible range) Sam Lantinga <slouken@libsdl.org> parents: 1513 diff changeset	412 (ch == 0xFFFE \|\| ch == 0xFFFF) \|\|
c99e7a9c9bc9 RFC 3629 restricted the range of characters encoded with UTF-8 to 0000-10FFFF (the UTF-16 accessible range) Sam Lantinga <slouken@libsdl.org> parents: 1513 diff changeset	413 ch > 0x10FFFF ) {
1501 73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	414 /* Skip illegal sequences
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	415 return SDL_ICONV_EILSEQ;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	416 */
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	417 ch = UNKNOWN_UNICODE;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	418 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	419 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	420 break;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	421 case ENCODING_UTF16BE: /* RFC 2781 */
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	422 {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	423 Uint8 p = (Uint8 )src;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	424 Uint16 W1, W2;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	425 if ( srclen < 2 ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	426 return SDL_ICONV_EINVAL;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	427 }
1513 13a3520a13f9 * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 1510 diff changeset	428 W1 = ((Uint16)p[0] << 8) \|
13a3520a13f9 * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 1510 diff changeset	429 (Uint16)p[1];
1501 73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	430 src += 2;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	431 srclen -= 2;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	432 if ( W1 < 0xD800 \|\| W1 > 0xDFFF ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	433 ch = (Uint32)W1;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	434 break;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	435 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	436 if ( W1 > 0xDBFF ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	437 /* Skip illegal sequences
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	438 return SDL_ICONV_EILSEQ;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	439 */
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	440 ch = UNKNOWN_UNICODE;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	441 break;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	442 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	443 if ( srclen < 2 ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	444 return SDL_ICONV_EINVAL;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	445 }
1510 720f8bb49d7d Win32 fixes Sam Lantinga <slouken@libsdl.org> parents: 1503 diff changeset	446 p = (Uint8 *)src;
1513 13a3520a13f9 * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 1510 diff changeset	447 W2 = ((Uint16)p[0] << 8) \|
13a3520a13f9 * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 1510 diff changeset	448 (Uint16)p[1];
1501 73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	449 src += 2;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	450 srclen -= 2;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	451 if ( W2 < 0xDC00 \|\| W2 > 0xDFFF ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	452 /* Skip illegal sequences
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	453 return SDL_ICONV_EILSEQ;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	454 */
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	455 ch = UNKNOWN_UNICODE;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	456 break;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	457 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	458 ch = (((Uint32)(W1 & 0x3FF) << 10) \|
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	459 (Uint32)(W2 & 0x3FF)) + 0x10000;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	460 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	461 break;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	462 case ENCODING_UTF16LE: /* RFC 2781 */
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	463 {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	464 Uint8 p = (Uint8 )src;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	465 Uint16 W1, W2;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	466 if ( srclen < 2 ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	467 return SDL_ICONV_EINVAL;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	468 }
1513 13a3520a13f9 * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 1510 diff changeset	469 W1 = ((Uint16)p[1] << 8) \|
13a3520a13f9 * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 1510 diff changeset	470 (Uint16)p[0];
1501 73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	471 src += 2;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	472 srclen -= 2;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	473 if ( W1 < 0xD800 \|\| W1 > 0xDFFF ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	474 ch = (Uint32)W1;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	475 break;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	476 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	477 if ( W1 > 0xDBFF ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	478 /* Skip illegal sequences
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	479 return SDL_ICONV_EILSEQ;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	480 */
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	481 ch = UNKNOWN_UNICODE;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	482 break;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	483 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	484 if ( srclen < 2 ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	485 return SDL_ICONV_EINVAL;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	486 }
1510 720f8bb49d7d Win32 fixes Sam Lantinga <slouken@libsdl.org> parents: 1503 diff changeset	487 p = (Uint8 *)src;
1513 13a3520a13f9 * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 1510 diff changeset	488 W2 = ((Uint16)p[1] << 8) \|
13a3520a13f9 * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 1510 diff changeset	489 (Uint16)p[0];
1501 73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	490 src += 2;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	491 srclen -= 2;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	492 if ( W2 < 0xDC00 \|\| W2 > 0xDFFF ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	493 /* Skip illegal sequences
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	494 return SDL_ICONV_EILSEQ;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	495 */
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	496 ch = UNKNOWN_UNICODE;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	497 break;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	498 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	499 ch = (((Uint32)(W1 & 0x3FF) << 10) \|
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	500 (Uint32)(W2 & 0x3FF)) + 0x10000;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	501 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	502 break;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	503 case ENCODING_UTF32BE:
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	504 {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	505 Uint8 p = (Uint8 )src;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	506 if ( srclen < 4 ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	507 return SDL_ICONV_EINVAL;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	508 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	509 ch = ((Uint32)p[0] << 24) \|
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	510 ((Uint32)p[1] << 16) \|
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	511 ((Uint32)p[2] << 8) \|
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	512 (Uint32)p[3];
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	513 src += 4;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	514 srclen -= 4;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	515 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	516 break;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	517 case ENCODING_UTF32LE:
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	518 {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	519 Uint8 p = (Uint8 )src;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	520 if ( srclen < 4 ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	521 return SDL_ICONV_EINVAL;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	522 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	523 ch = ((Uint32)p[3] << 24) \|
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	524 ((Uint32)p[2] << 16) \|
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	525 ((Uint32)p[1] << 8) \|
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	526 (Uint32)p[0];
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	527 src += 4;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	528 srclen -= 4;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	529 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	530 break;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	531 case ENCODING_UCS2:
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	532 {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	533 Uint16 p = (Uint16 )src;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	534 if ( srclen < 2 ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	535 return SDL_ICONV_EINVAL;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	536 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	537 ch = *p;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	538 src += 2;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	539 srclen -= 2;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	540 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	541 break;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	542 case ENCODING_UCS4:
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	543 {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	544 Uint32 p = (Uint32 )src;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	545 if ( srclen < 4 ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	546 return SDL_ICONV_EINVAL;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	547 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	548 ch = *p;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	549 src += 4;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	550 srclen -= 4;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	551 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	552 break;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	553 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	554
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	555 /* Encode a character */
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	556 switch ( cd->dst_fmt ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	557 case ENCODING_ASCII:
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	558 {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	559 Uint8 p = (Uint8 )dst;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	560 if ( dstlen < 1 ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	561 return SDL_ICONV_E2BIG;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	562 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	563 if ( ch > 0x7F ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	564 *p = UNKNOWN_ASCII;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	565 } else {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	566 *p = (Uint8)ch;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	567 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	568 ++dst;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	569 --dstlen;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	570 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	571 break;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	572 case ENCODING_LATIN1:
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	573 {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	574 Uint8 p = (Uint8 )dst;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	575 if ( dstlen < 1 ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	576 return SDL_ICONV_E2BIG;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	577 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	578 if ( ch > 0xFF ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	579 *p = UNKNOWN_ASCII;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	580 } else {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	581 *p = (Uint8)ch;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	582 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	583 ++dst;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	584 --dstlen;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	585 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	586 break;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	587 case ENCODING_UTF8: /* RFC 3629 */
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	588 {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	589 Uint8 p = (Uint8 )dst;
1519 c99e7a9c9bc9 RFC 3629 restricted the range of characters encoded with UTF-8 to 0000-10FFFF (the UTF-16 accessible range) Sam Lantinga <slouken@libsdl.org> parents: 1513 diff changeset	590 if ( ch > 0x10FFFF ) {
1501 73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	591 ch = UNKNOWN_UNICODE;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	592 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	593 if ( ch <= 0x7F ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	594 if ( dstlen < 1 ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	595 return SDL_ICONV_E2BIG;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	596 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	597 *p = (Uint8)ch;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	598 ++dst;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	599 --dstlen;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	600 } else if ( ch <= 0x7FF ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	601 if ( dstlen < 2 ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	602 return SDL_ICONV_E2BIG;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	603 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	604 p[0] = 0xC0 \| (Uint8)((ch >> 6) & 0x1F);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	605 p[1] = 0x80 \| (Uint8)(ch & 0x3F);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	606 dst += 2;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	607 dstlen -= 2;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	608 } else if ( ch <= 0xFFFF ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	609 if ( dstlen < 3 ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	610 return SDL_ICONV_E2BIG;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	611 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	612 p[0] = 0xE0 \| (Uint8)((ch >> 12) & 0x0F);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	613 p[1] = 0x80 \| (Uint8)((ch >> 6) & 0x3F);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	614 p[2] = 0x80 \| (Uint8)(ch & 0x3F);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	615 dst += 3;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	616 dstlen -= 3;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	617 } else if ( ch <= 0x1FFFFF ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	618 if ( dstlen < 4 ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	619 return SDL_ICONV_E2BIG;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	620 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	621 p[0] = 0xF0 \| (Uint8)((ch >> 18) & 0x07);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	622 p[1] = 0x80 \| (Uint8)((ch >> 12) & 0x3F);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	623 p[2] = 0x80 \| (Uint8)((ch >> 6) & 0x3F);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	624 p[3] = 0x80 \| (Uint8)(ch & 0x3F);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	625 dst += 4;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	626 dstlen -= 4;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	627 } else if ( ch <= 0x3FFFFFF ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	628 if ( dstlen < 5 ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	629 return SDL_ICONV_E2BIG;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	630 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	631 p[0] = 0xF8 \| (Uint8)((ch >> 24) & 0x03);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	632 p[1] = 0x80 \| (Uint8)((ch >> 18) & 0x3F);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	633 p[2] = 0x80 \| (Uint8)((ch >> 12) & 0x3F);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	634 p[3] = 0x80 \| (Uint8)((ch >> 6) & 0x3F);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	635 p[4] = 0x80 \| (Uint8)(ch & 0x3F);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	636 dst += 5;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	637 dstlen -= 5;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	638 } else {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	639 if ( dstlen < 6 ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	640 return SDL_ICONV_E2BIG;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	641 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	642 p[0] = 0xFC \| (Uint8)((ch >> 30) & 0x01);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	643 p[1] = 0x80 \| (Uint8)((ch >> 24) & 0x3F);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	644 p[2] = 0x80 \| (Uint8)((ch >> 18) & 0x3F);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	645 p[3] = 0x80 \| (Uint8)((ch >> 12) & 0x3F);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	646 p[4] = 0x80 \| (Uint8)((ch >> 6) & 0x3F);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	647 p[5] = 0x80 \| (Uint8)(ch & 0x3F);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	648 dst += 6;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	649 dstlen -= 6;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	650 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	651 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	652 break;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	653 case ENCODING_UTF16BE: /* RFC 2781 */
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	654 {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	655 Uint8 p = (Uint8 )dst;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	656 if ( ch > 0x10FFFF ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	657 ch = UNKNOWN_UNICODE;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	658 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	659 if ( ch < 0x10000 ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	660 if ( dstlen < 2 ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	661 return SDL_ICONV_E2BIG;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	662 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	663 p[0] = (Uint8)(ch >> 8);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	664 p[1] = (Uint8)ch;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	665 dst += 2;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	666 dstlen -= 2;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	667 } else {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	668 Uint16 W1, W2;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	669 if ( dstlen < 4 ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	670 return SDL_ICONV_E2BIG;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	671 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	672 ch = ch - 0x10000;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	673 W1 = 0xD800 \| (Uint16)((ch >> 10) & 0x3FF);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	674 W2 = 0xDC00 \| (Uint16)(ch & 0x3FF);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	675 p[0] = (Uint8)(W1 >> 8);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	676 p[1] = (Uint8)W1;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	677 p[2] = (Uint8)(W2 >> 8);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	678 p[3] = (Uint8)W2;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	679 dst += 4;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	680 dstlen -= 4;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	681 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	682 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	683 break;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	684 case ENCODING_UTF16LE: /* RFC 2781 */
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	685 {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	686 Uint8 p = (Uint8 )dst;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	687 if ( ch > 0x10FFFF ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	688 ch = UNKNOWN_UNICODE;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	689 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	690 if ( ch < 0x10000 ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	691 if ( dstlen < 2 ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	692 return SDL_ICONV_E2BIG;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	693 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	694 p[1] = (Uint8)(ch >> 8);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	695 p[0] = (Uint8)ch;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	696 dst += 2;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	697 dstlen -= 2;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	698 } else {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	699 Uint16 W1, W2;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	700 if ( dstlen < 4 ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	701 return SDL_ICONV_E2BIG;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	702 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	703 ch = ch - 0x10000;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	704 W1 = 0xD800 \| (Uint16)((ch >> 10) & 0x3FF);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	705 W2 = 0xDC00 \| (Uint16)(ch & 0x3FF);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	706 p[1] = (Uint8)(W1 >> 8);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	707 p[0] = (Uint8)W1;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	708 p[3] = (Uint8)(W2 >> 8);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	709 p[2] = (Uint8)W2;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	710 dst += 4;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	711 dstlen -= 4;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	712 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	713 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	714 break;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	715 case ENCODING_UTF32BE:
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	716 {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	717 Uint8 p = (Uint8 )dst;
1502 d403a39389da UTF-32 by definition can't handle characters higher than 0x10FFFF Sam Lantinga <slouken@libsdl.org> parents: 1501 diff changeset	718 if ( ch > 0x10FFFF ) {
1501 73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	719 ch = UNKNOWN_UNICODE;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	720 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	721 if ( dstlen < 4 ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	722 return SDL_ICONV_E2BIG;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	723 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	724 p[0] = (Uint8)(ch >> 24);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	725 p[1] = (Uint8)(ch >> 16);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	726 p[2] = (Uint8)(ch >> 8);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	727 p[3] = (Uint8)ch;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	728 dst += 4;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	729 dstlen -= 4;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	730 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	731 break;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	732 case ENCODING_UTF32LE:
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	733 {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	734 Uint8 p = (Uint8 )dst;
1502 d403a39389da UTF-32 by definition can't handle characters higher than 0x10FFFF Sam Lantinga <slouken@libsdl.org> parents: 1501 diff changeset	735 if ( ch > 0x10FFFF ) {
1501 73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	736 ch = UNKNOWN_UNICODE;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	737 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	738 if ( dstlen < 4 ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	739 return SDL_ICONV_E2BIG;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	740 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	741 p[3] = (Uint8)(ch >> 24);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	742 p[2] = (Uint8)(ch >> 16);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	743 p[1] = (Uint8)(ch >> 8);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	744 p[0] = (Uint8)ch;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	745 dst += 4;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	746 dstlen -= 4;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	747 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	748 break;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	749 case ENCODING_UCS2:
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	750 {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	751 Uint16 p = (Uint16 )dst;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	752 if ( ch > 0xFFFF ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	753 ch = UNKNOWN_UNICODE;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	754 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	755 if ( dstlen < 2 ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	756 return SDL_ICONV_E2BIG;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	757 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	758 *p = (Uint16)ch;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	759 dst += 2;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	760 dstlen -= 2;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	761 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	762 break;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	763 case ENCODING_UCS4:
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	764 {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	765 Uint32 p = (Uint32 )dst;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	766 if ( ch > 0x7FFFFFFF ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	767 ch = UNKNOWN_UNICODE;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	768 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	769 if ( dstlen < 4 ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	770 return SDL_ICONV_E2BIG;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	771 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	772 *p = ch;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	773 dst += 4;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	774 dstlen -= 4;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	775 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	776 break;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	777 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	778
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	779 /* Update state */
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	780 *inbuf = src;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	781 *inbytesleft = srclen;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	782 *outbuf = dst;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	783 *outbytesleft = dstlen;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	784 ++total;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	785 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	786 return total;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	787 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	788
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	789 int SDL_iconv_close(SDL_iconv_t cd)
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	790 {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	791 if ( cd && cd != (SDL_iconv_t)-1 ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	792 SDL_free(cd);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	793 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	794 return 0;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	795 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	796
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	797 #endif /* !HAVE_ICONV */
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	798
3918 f16c15f3bc2b Minor const correctness patch to SDL_iconv. Ryan C. Gordon <icculus@icculus.org> parents: 1849 diff changeset	799 char SDL_iconv_string(const char tocode, const char fromcode, const char inbuf, size_t inbytesleft)
1501 73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	800 {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	801 SDL_iconv_t cd;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	802 char *string;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	803 size_t stringsize;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	804 char *outbuf;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	805 size_t outbytesleft;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	806 size_t retCode = 0;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	807
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	808 cd = SDL_iconv_open(tocode, fromcode);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	809 if ( cd == (SDL_iconv_t)-1 ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	810 return NULL;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	811 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	812
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	813 stringsize = inbytesleft > 4 ? inbytesleft : 4;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	814 string = SDL_malloc(stringsize);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	815 if ( !string ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	816 SDL_iconv_close(cd);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	817 return NULL;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	818 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	819 outbuf = string;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	820 outbytesleft = stringsize;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	821 SDL_memset(outbuf, 0, 4);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	822
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	823 while ( inbytesleft > 0 ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	824 retCode = SDL_iconv(cd, &inbuf, &inbytesleft, &outbuf, &outbytesleft);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	825 switch (retCode) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	826 case SDL_ICONV_E2BIG:
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	827 {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	828 char *oldstring = string;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	829 stringsize *= 2;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	830 string = SDL_realloc(string, stringsize);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	831 if ( !string ) {
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	832 SDL_iconv_close(cd);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	833 return NULL;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	834 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	835 outbuf = string + (outbuf - oldstring);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	836 outbytesleft = stringsize - (outbuf - string);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	837 SDL_memset(outbuf, 0, 4);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	838 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	839 break;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	840 case SDL_ICONV_EILSEQ:
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	841 /* Try skipping some input data - not perfect, but... */
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	842 ++inbuf;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	843 --inbytesleft;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	844 break;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	845 case SDL_ICONV_EINVAL:
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	846 case SDL_ICONV_ERROR:
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	847 /* We can't continue... */
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	848 inbytesleft = 0;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	849 break;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	850 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	851 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	852 SDL_iconv_close(cd);
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	853
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	854 return string;
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	855 }

Mercurial > sdl-ios-xcode

annotate src/stdlib/SDL_iconv.c @ 4053:0aadbc81c497 SDL-1.2