sdl-ios-xcode: src/stdlib/SDL

annotate src/stdlib/SDL_iconv.c @ 2182:cc2597da0840

Fixed bug #455 If passed "" for the character set, let iconv_open() interpret it as locale. This was merged from revision 3234,3235 from SDL 1.2

author	Sam Lantinga <slouken@libsdl.org>
date	Thu, 12 Jul 2007 07:52:50 +0000
parents	e906da4414a3
children	9f31740cad2e

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
2136 5a1b6fe6e90f iconv() doesn't write to the data, just make compilers happy Sam Lantinga <slouken@libsdl.org> parents: 2135 diff changeset	31 /* Depending on which standard the iconv() was implemented with,
5a1b6fe6e90f iconv() doesn't write to the data, just make compilers happy Sam Lantinga <slouken@libsdl.org> parents: 2135 diff changeset	32 iconv() may or may not use const char ** for the inbuf param.
5a1b6fe6e90f iconv() doesn't write to the data, just make compilers happy Sam Lantinga <slouken@libsdl.org> parents: 2135 diff changeset	33 If we get this wrong, it's just a warning, so no big deal.
5a1b6fe6e90f iconv() doesn't write to the data, just make compilers happy Sam Lantinga <slouken@libsdl.org> parents: 2135 diff changeset	34 */
5a1b6fe6e90f iconv() doesn't write to the data, just make compilers happy Sam Lantinga <slouken@libsdl.org> parents: 2135 diff changeset	35 #if defined(_XGP6) \|\| \
5a1b6fe6e90f iconv() doesn't write to the data, just make compilers happy Sam Lantinga <slouken@libsdl.org> parents: 2135 diff changeset	36 defined(__GLIBC__) && ((__GLIBC__ > 2) \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 2))
5a1b6fe6e90f iconv() doesn't write to the data, just make compilers happy Sam Lantinga <slouken@libsdl.org> parents: 2135 diff changeset	37 #define ICONV_INBUF_NONCONST
5a1b6fe6e90f iconv() doesn't write to the data, just make compilers happy Sam Lantinga <slouken@libsdl.org> parents: 2135 diff changeset	38 #endif
5a1b6fe6e90f iconv() doesn't write to the data, just make compilers happy Sam Lantinga <slouken@libsdl.org> parents: 2135 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
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	42 size_t
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	43 SDL_iconv(SDL_iconv_t cd,
2135 0313af081a84 Merge iconv const changes from 1.2 Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	44 const char *inbuf, size_t inbytesleft,
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	45 char *outbuf, size_t outbytesleft)
1501 73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	46 {
2135 0313af081a84 Merge iconv const changes from 1.2 Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	47 size_t retCode;
2136 5a1b6fe6e90f iconv() doesn't write to the data, just make compilers happy Sam Lantinga <slouken@libsdl.org> parents: 2135 diff changeset	48 #ifdef ICONV_INBUF_NONCONST
5a1b6fe6e90f iconv() doesn't write to the data, just make compilers happy Sam Lantinga <slouken@libsdl.org> parents: 2135 diff changeset	49 retCode = iconv(cd, (char **) inbuf, inbytesleft, outbuf, outbytesleft);
2135 0313af081a84 Merge iconv const changes from 1.2 Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	50 #else
2136 5a1b6fe6e90f iconv() doesn't write to the data, just make compilers happy Sam Lantinga <slouken@libsdl.org> parents: 2135 diff changeset	51 retCode = iconv(cd, inbuf, inbytesleft, outbuf, outbytesleft);
2135 0313af081a84 Merge iconv const changes from 1.2 Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	52 #endif
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	53 if (retCode == (size_t) - 1) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	54 switch (errno) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	55 case E2BIG:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	56 return SDL_ICONV_E2BIG;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	57 case EILSEQ:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	58 return SDL_ICONV_EILSEQ;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	59 case EINVAL:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	60 return SDL_ICONV_EINVAL;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	61 default:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	62 return SDL_ICONV_ERROR;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	63 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	64 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	65 return retCode;
1501 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
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	68 #else
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	69
1503 5e4dad24a5de props yo Sam Lantinga <slouken@libsdl.org> parents: 1502 diff changeset	70 /* Lots of useful information on Unicode at:
5e4dad24a5de props yo Sam Lantinga <slouken@libsdl.org> parents: 1502 diff changeset	71 http://www.cl.cam.ac.uk/~mgk25/unicode.html
5e4dad24a5de props yo Sam Lantinga <slouken@libsdl.org> parents: 1502 diff changeset	72 */
5e4dad24a5de props yo Sam Lantinga <slouken@libsdl.org> parents: 1502 diff changeset	73
1501 73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	74 #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	75
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_ASCII '?'
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	77 #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	78
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	79 enum
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	80 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	81 ENCODING_UNKNOWN,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	82 ENCODING_ASCII,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	83 ENCODING_LATIN1,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	84 ENCODING_UTF8,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	85 ENCODING_UTF16, /* Needs byte order marker */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	86 ENCODING_UTF16BE,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	87 ENCODING_UTF16LE,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	88 ENCODING_UTF32, /* Needs byte order marker */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	89 ENCODING_UTF32BE,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	90 ENCODING_UTF32LE,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	91 ENCODING_UCS2, /* Native byte order assumed */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	92 ENCODING_UCS4, /* Native byte order assumed */
1501 73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	93 };
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	94 #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	95 #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	96 #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	97 #else
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	98 #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	99 #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	100 #endif
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 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	103 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	104 int src_fmt;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	105 int dst_fmt;
1501 73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	106 };
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	107
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	108 static struct
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	109 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	110 const char *name;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	111 int format;
1501 73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	112 } encodings[] = {
2142 ca80c942e69c Fixed bug #349 Sam Lantinga <slouken@libsdl.org> parents: 2136 diff changeset	113 /* INDENT-OFF */
ca80c942e69c Fixed bug #349 Sam Lantinga <slouken@libsdl.org> parents: 2136 diff changeset	114 { "ASCII", ENCODING_ASCII },
ca80c942e69c Fixed bug #349 Sam Lantinga <slouken@libsdl.org> parents: 2136 diff changeset	115 { "US-ASCII", ENCODING_ASCII },
ca80c942e69c Fixed bug #349 Sam Lantinga <slouken@libsdl.org> parents: 2136 diff changeset	116 { "8859-1", ENCODING_LATIN1 },
ca80c942e69c Fixed bug #349 Sam Lantinga <slouken@libsdl.org> parents: 2136 diff changeset	117 { "ISO-8859-1", ENCODING_LATIN1 },
ca80c942e69c Fixed bug #349 Sam Lantinga <slouken@libsdl.org> parents: 2136 diff changeset	118 { "UTF8", ENCODING_UTF8 },
ca80c942e69c Fixed bug #349 Sam Lantinga <slouken@libsdl.org> parents: 2136 diff changeset	119 { "UTF-8", ENCODING_UTF8 },
ca80c942e69c Fixed bug #349 Sam Lantinga <slouken@libsdl.org> parents: 2136 diff changeset	120 { "UTF16", ENCODING_UTF16 },
ca80c942e69c Fixed bug #349 Sam Lantinga <slouken@libsdl.org> parents: 2136 diff changeset	121 { "UTF-16", ENCODING_UTF16 },
ca80c942e69c Fixed bug #349 Sam Lantinga <slouken@libsdl.org> parents: 2136 diff changeset	122 { "UTF16BE", ENCODING_UTF16BE },
ca80c942e69c Fixed bug #349 Sam Lantinga <slouken@libsdl.org> parents: 2136 diff changeset	123 { "UTF-16BE", ENCODING_UTF16BE },
ca80c942e69c Fixed bug #349 Sam Lantinga <slouken@libsdl.org> parents: 2136 diff changeset	124 { "UTF16LE", ENCODING_UTF16LE },
ca80c942e69c Fixed bug #349 Sam Lantinga <slouken@libsdl.org> parents: 2136 diff changeset	125 { "UTF-16LE", ENCODING_UTF16LE },
ca80c942e69c Fixed bug #349 Sam Lantinga <slouken@libsdl.org> parents: 2136 diff changeset	126 { "UTF32", ENCODING_UTF32 },
ca80c942e69c Fixed bug #349 Sam Lantinga <slouken@libsdl.org> parents: 2136 diff changeset	127 { "UTF-32", ENCODING_UTF32 },
ca80c942e69c Fixed bug #349 Sam Lantinga <slouken@libsdl.org> parents: 2136 diff changeset	128 { "UTF32BE", ENCODING_UTF32BE },
ca80c942e69c Fixed bug #349 Sam Lantinga <slouken@libsdl.org> parents: 2136 diff changeset	129 { "UTF-32BE", ENCODING_UTF32BE },
ca80c942e69c Fixed bug #349 Sam Lantinga <slouken@libsdl.org> parents: 2136 diff changeset	130 { "UTF32LE", ENCODING_UTF32LE },
ca80c942e69c Fixed bug #349 Sam Lantinga <slouken@libsdl.org> parents: 2136 diff changeset	131 { "UTF-32LE", ENCODING_UTF32LE },
ca80c942e69c Fixed bug #349 Sam Lantinga <slouken@libsdl.org> parents: 2136 diff changeset	132 { "UCS2", ENCODING_UCS2 },
ca80c942e69c Fixed bug #349 Sam Lantinga <slouken@libsdl.org> parents: 2136 diff changeset	133 { "UCS-2", ENCODING_UCS2 },
ca80c942e69c Fixed bug #349 Sam Lantinga <slouken@libsdl.org> parents: 2136 diff changeset	134 { "UCS4", ENCODING_UCS4 },
ca80c942e69c Fixed bug #349 Sam Lantinga <slouken@libsdl.org> parents: 2136 diff changeset	135 { "UCS-4", ENCODING_UCS4 },
ca80c942e69c Fixed bug #349 Sam Lantinga <slouken@libsdl.org> parents: 2136 diff changeset	136 /* INDENT-ON */
ca80c942e69c Fixed bug #349 Sam Lantinga <slouken@libsdl.org> parents: 2136 diff changeset	137 };
1501 73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	138
2182 cc2597da0840 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 2143 diff changeset	139 static const char *
cc2597da0840 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 2143 diff changeset	140 getlocale()
cc2597da0840 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 2143 diff changeset	141 {
cc2597da0840 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 2143 diff changeset	142 const char *lang;
cc2597da0840 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 2143 diff changeset	143
cc2597da0840 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 2143 diff changeset	144 lang = SDL_getenv("LC_ALL");
cc2597da0840 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 2143 diff changeset	145 if (!lang) {
cc2597da0840 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 2143 diff changeset	146 lang = SDL_getenv("LC_CTYPE");
cc2597da0840 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 2143 diff changeset	147 }
cc2597da0840 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 2143 diff changeset	148 if (!lang) {
cc2597da0840 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 2143 diff changeset	149 lang = SDL_getenv("LC_MESSAGES");
cc2597da0840 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 2143 diff changeset	150 }
cc2597da0840 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 2143 diff changeset	151 if (!lang) {
cc2597da0840 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 2143 diff changeset	152 lang = SDL_getenv("LANG");
cc2597da0840 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 2143 diff changeset	153 }
cc2597da0840 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 2143 diff changeset	154 if (!lang \|\| !*lang \|\| SDL_strcmp(lang, "C") == 0) {
cc2597da0840 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 2143 diff changeset	155 lang = "ASCII";
cc2597da0840 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 2143 diff changeset	156 }
cc2597da0840 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 2143 diff changeset	157 return lang;
cc2597da0840 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 2143 diff changeset	158 }
cc2597da0840 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 2143 diff changeset	159
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	160 SDL_iconv_t
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	161 SDL_iconv_open(const char tocode, const char fromcode)
1501 73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	162 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	163 int src_fmt = ENCODING_UNKNOWN;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	164 int dst_fmt = ENCODING_UNKNOWN;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	165 int i;
1501 73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	166
2182 cc2597da0840 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 2143 diff changeset	167 if (!fromcode \|\| !*fromcode) {
cc2597da0840 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 2143 diff changeset	168 fromcode = getlocale();
cc2597da0840 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 2143 diff changeset	169 }
cc2597da0840 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 2143 diff changeset	170 if (!tocode \|\| !*tocode) {
cc2597da0840 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 2143 diff changeset	171 fromcode = getlocale();
cc2597da0840 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 2143 diff changeset	172 }
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	173 for (i = 0; i < SDL_arraysize(encodings); ++i) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	174 if (SDL_strcasecmp(fromcode, encodings[i].name) == 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	175 src_fmt = encodings[i].format;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	176 if (dst_fmt != ENCODING_UNKNOWN) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	177 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	178 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	179 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	180 if (SDL_strcasecmp(tocode, encodings[i].name) == 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	181 dst_fmt = encodings[i].format;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	182 if (src_fmt != ENCODING_UNKNOWN) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	183 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	184 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	185 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	186 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	187 if (src_fmt != ENCODING_UNKNOWN && dst_fmt != ENCODING_UNKNOWN) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	188 SDL_iconv_t cd = (SDL_iconv_t) SDL_malloc(sizeof(*cd));
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	189 if (cd) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	190 cd->src_fmt = src_fmt;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	191 cd->dst_fmt = dst_fmt;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	192 return cd;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	193 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	194 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	195 return (SDL_iconv_t) - 1;
1501 73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	196 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	197
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	198 size_t
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	199 SDL_iconv(SDL_iconv_t cd,
2135 0313af081a84 Merge iconv const changes from 1.2 Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	200 const char *inbuf, size_t inbytesleft,
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	201 char *outbuf, size_t outbytesleft)
1501 73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	202 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	203 /* For simplicity, we'll convert everything to and from UCS-4 */
2135 0313af081a84 Merge iconv const changes from 1.2 Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	204 const char *src;
0313af081a84 Merge iconv const changes from 1.2 Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	205 char *dst;
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	206 size_t srclen, dstlen;
2135 0313af081a84 Merge iconv const changes from 1.2 Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	207 Uint32 ch = 0;
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	208 size_t total;
1501 73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	209
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	210 if (!inbuf \|\| !*inbuf) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	211 /* Reset the context */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	212 return 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	213 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	214 if (!outbuf \|\| !outbuf \|\| !outbytesleft \|\| !outbytesleft) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	215 return SDL_ICONV_E2BIG;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	216 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	217 src = *inbuf;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	218 srclen = (inbytesleft ? *inbytesleft : 0);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	219 dst = *outbuf;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	220 dstlen = *outbytesleft;
1501 73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	221
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	222 switch (cd->src_fmt) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	223 case ENCODING_UTF16:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	224 /* Scan for a byte order marker */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	225 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	226 Uint8 p = (Uint8 ) src;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	227 size_t n = srclen / 2;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	228 while (n) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	229 if (p[0] == 0xFF && p[1] == 0xFE) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	230 cd->src_fmt = ENCODING_UTF16BE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	231 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	232 } else if (p[0] == 0xFE && p[1] == 0xFF) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	233 cd->src_fmt = ENCODING_UTF16LE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	234 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	235 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	236 p += 2;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	237 --n;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	238 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	239 if (n == 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	240 /* We can't tell, default to host order */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	241 cd->src_fmt = ENCODING_UTF16NATIVE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	242 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	243 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	244 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	245 case ENCODING_UTF32:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	246 /* Scan for a byte order marker */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	247 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	248 Uint8 p = (Uint8 ) src;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	249 size_t n = srclen / 4;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	250 while (n) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	251 if (p[0] == 0xFF && p[1] == 0xFE &&
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	252 p[2] == 0x00 && p[3] == 0x00) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	253 cd->src_fmt = ENCODING_UTF32BE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	254 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	255 } else if (p[0] == 0x00 && p[1] == 0x00 &&
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	256 p[2] == 0xFE && p[3] == 0xFF) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	257 cd->src_fmt = ENCODING_UTF32LE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	258 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	259 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	260 p += 4;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	261 --n;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	262 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	263 if (n == 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	264 /* We can't tell, default to host order */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	265 cd->src_fmt = ENCODING_UTF32NATIVE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	266 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	267 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	268 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	269 }
1501 73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	270
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	271 switch (cd->dst_fmt) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	272 case ENCODING_UTF16:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	273 /* Default to host order, need to add byte order marker */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	274 if (dstlen < 2) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	275 return SDL_ICONV_E2BIG;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	276 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	277 (Uint16 ) dst = UNICODE_BOM;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	278 dst += 2;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	279 dstlen -= 2;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	280 cd->dst_fmt = ENCODING_UTF16NATIVE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	281 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	282 case ENCODING_UTF32:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	283 /* Default to host order, need to add byte order marker */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	284 if (dstlen < 4) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	285 return SDL_ICONV_E2BIG;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	286 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	287 (Uint32 ) dst = UNICODE_BOM;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	288 dst += 4;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	289 dstlen -= 4;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	290 cd->dst_fmt = ENCODING_UTF32NATIVE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	291 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	292 }
1501 73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	293
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	294 total = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	295 while (srclen > 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	296 /* Decode a character */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	297 switch (cd->src_fmt) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	298 case ENCODING_ASCII:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	299 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	300 Uint8 p = (Uint8 ) src;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	301 ch = (Uint32) (p[0] & 0x7F);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	302 ++src;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	303 --srclen;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	304 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	305 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	306 case ENCODING_LATIN1:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	307 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	308 Uint8 p = (Uint8 ) src;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	309 ch = (Uint32) p[0];
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	310 ++src;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	311 --srclen;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	312 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	313 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	314 case ENCODING_UTF8: /* RFC 3629 */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	315 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	316 Uint8 p = (Uint8 ) src;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	317 size_t left = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	318 SDL_bool overlong = SDL_FALSE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	319 if (p[0] >= 0xFC) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	320 if ((p[0] & 0xFE) != 0xFC) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	321 /* Skip illegal sequences
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	322 return SDL_ICONV_EILSEQ;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	323 */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	324 ch = UNKNOWN_UNICODE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	325 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	326 if (p[0] == 0xFC) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	327 overlong = SDL_TRUE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	328 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	329 ch = (Uint32) (p[0] & 0x01);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	330 left = 5;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	331 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	332 } else if (p[0] >= 0xF8) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	333 if ((p[0] & 0xFC) != 0xF8) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	334 /* Skip illegal sequences
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	335 return SDL_ICONV_EILSEQ;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	336 */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	337 ch = UNKNOWN_UNICODE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	338 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	339 if (p[0] == 0xF8) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	340 overlong = SDL_TRUE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	341 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	342 ch = (Uint32) (p[0] & 0x03);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	343 left = 4;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	344 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	345 } else if (p[0] >= 0xF0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	346 if ((p[0] & 0xF8) != 0xF0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	347 /* Skip illegal sequences
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	348 return SDL_ICONV_EILSEQ;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	349 */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	350 ch = UNKNOWN_UNICODE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	351 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	352 if (p[0] == 0xF0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	353 overlong = SDL_TRUE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	354 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	355 ch = (Uint32) (p[0] & 0x07);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	356 left = 3;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	357 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	358 } else if (p[0] >= 0xE0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	359 if ((p[0] & 0xF0) != 0xE0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	360 /* Skip illegal sequences
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	361 return SDL_ICONV_EILSEQ;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	362 */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	363 ch = UNKNOWN_UNICODE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	364 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	365 if (p[0] == 0xE0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	366 overlong = SDL_TRUE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	367 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	368 ch = (Uint32) (p[0] & 0x0F);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	369 left = 2;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	370 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	371 } else if (p[0] >= 0xC0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	372 if ((p[0] & 0xE0) != 0xC0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	373 /* Skip illegal sequences
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	374 return SDL_ICONV_EILSEQ;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	375 */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	376 ch = UNKNOWN_UNICODE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	377 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	378 if ((p[0] & 0xCE) == 0xC0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	379 overlong = SDL_TRUE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	380 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	381 ch = (Uint32) (p[0] & 0x1F);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	382 left = 1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	383 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	384 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	385 if ((p[0] & 0x80) != 0x00) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	386 /* Skip illegal sequences
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	387 return SDL_ICONV_EILSEQ;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	388 */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	389 ch = UNKNOWN_UNICODE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	390 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	391 ch = (Uint32) p[0];
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	392 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	393 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	394 ++src;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	395 --srclen;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	396 if (srclen < left) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	397 return SDL_ICONV_EINVAL;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	398 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	399 while (left--) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	400 ++p;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	401 if ((p[0] & 0xC0) != 0x80) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	402 /* Skip illegal sequences
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	403 return SDL_ICONV_EILSEQ;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	404 */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	405 ch = UNKNOWN_UNICODE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	406 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	407 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	408 ch <<= 6;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	409 ch \|= (p[0] & 0x3F);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	410 ++src;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	411 --srclen;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	412 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	413 if (overlong) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	414 /* Potential security risk
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	415 return SDL_ICONV_EILSEQ;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	416 */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	417 ch = UNKNOWN_UNICODE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	418 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	419 if ((ch >= 0xD800 && ch <= 0xDFFF) \|\|
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	420 (ch == 0xFFFE \|\| ch == 0xFFFF) \|\| ch > 0x10FFFF) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	421 /* Skip illegal sequences
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	422 return SDL_ICONV_EILSEQ;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	423 */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	424 ch = UNKNOWN_UNICODE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	425 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	426 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	427 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	428 case ENCODING_UTF16BE: /* RFC 2781 */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	429 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	430 Uint8 p = (Uint8 ) src;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	431 Uint16 W1, W2;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	432 if (srclen < 2) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	433 return SDL_ICONV_EINVAL;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	434 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	435 W1 = ((Uint16) p[0] << 8) \| (Uint16) p[1];
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	436 src += 2;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	437 srclen -= 2;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	438 if (W1 < 0xD800 \|\| W1 > 0xDFFF) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	439 ch = (Uint32) W1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	440 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	441 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	442 if (W1 > 0xDBFF) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	443 /* Skip illegal sequences
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	444 return SDL_ICONV_EILSEQ;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	445 */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	446 ch = UNKNOWN_UNICODE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	447 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	448 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	449 if (srclen < 2) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	450 return SDL_ICONV_EINVAL;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	451 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	452 p = (Uint8 *) src;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	453 W2 = ((Uint16) p[0] << 8) \| (Uint16) p[1];
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	454 src += 2;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	455 srclen -= 2;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	456 if (W2 < 0xDC00 \|\| W2 > 0xDFFF) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	457 /* Skip illegal sequences
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	458 return SDL_ICONV_EILSEQ;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	459 */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	460 ch = UNKNOWN_UNICODE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	461 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	462 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	463 ch = (((Uint32) (W1 & 0x3FF) << 10) \|
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	464 (Uint32) (W2 & 0x3FF)) + 0x10000;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	465 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	466 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	467 case ENCODING_UTF16LE: /* RFC 2781 */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	468 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	469 Uint8 p = (Uint8 ) src;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	470 Uint16 W1, W2;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	471 if (srclen < 2) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	472 return SDL_ICONV_EINVAL;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	473 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	474 W1 = ((Uint16) p[1] << 8) \| (Uint16) p[0];
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	475 src += 2;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	476 srclen -= 2;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	477 if (W1 < 0xD800 \|\| W1 > 0xDFFF) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	478 ch = (Uint32) W1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	479 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	480 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	481 if (W1 > 0xDBFF) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	482 /* Skip illegal sequences
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	483 return SDL_ICONV_EILSEQ;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	484 */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	485 ch = UNKNOWN_UNICODE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	486 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	487 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	488 if (srclen < 2) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	489 return SDL_ICONV_EINVAL;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	490 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	491 p = (Uint8 *) src;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	492 W2 = ((Uint16) p[1] << 8) \| (Uint16) p[0];
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	493 src += 2;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	494 srclen -= 2;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	495 if (W2 < 0xDC00 \|\| W2 > 0xDFFF) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	496 /* Skip illegal sequences
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	497 return SDL_ICONV_EILSEQ;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	498 */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	499 ch = UNKNOWN_UNICODE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	500 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	501 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	502 ch = (((Uint32) (W1 & 0x3FF) << 10) \|
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	503 (Uint32) (W2 & 0x3FF)) + 0x10000;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	504 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	505 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	506 case ENCODING_UTF32BE:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	507 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	508 Uint8 p = (Uint8 ) src;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	509 if (srclen < 4) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	510 return SDL_ICONV_EINVAL;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	511 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	512 ch = ((Uint32) p[0] << 24) \|
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	513 ((Uint32) p[1] << 16) \|
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	514 ((Uint32) p[2] << 8) \| (Uint32) p[3];
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	515 src += 4;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	516 srclen -= 4;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	517 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	518 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	519 case ENCODING_UTF32LE:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	520 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	521 Uint8 p = (Uint8 ) src;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	522 if (srclen < 4) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	523 return SDL_ICONV_EINVAL;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	524 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	525 ch = ((Uint32) p[3] << 24) \|
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	526 ((Uint32) p[2] << 16) \|
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	527 ((Uint32) p[1] << 8) \| (Uint32) p[0];
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	528 src += 4;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	529 srclen -= 4;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	530 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	531 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	532 case ENCODING_UCS2:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	533 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	534 Uint16 p = (Uint16 ) src;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	535 if (srclen < 2) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	536 return SDL_ICONV_EINVAL;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	537 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	538 ch = *p;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	539 src += 2;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	540 srclen -= 2;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	541 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	542 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	543 case ENCODING_UCS4:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	544 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	545 Uint32 p = (Uint32 ) src;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	546 if (srclen < 4) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	547 return SDL_ICONV_EINVAL;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	548 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	549 ch = *p;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	550 src += 4;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	551 srclen -= 4;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	552 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	553 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	554 }
1501 73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	555
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	556 /* Encode a character */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	557 switch (cd->dst_fmt) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	558 case ENCODING_ASCII:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	559 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	560 Uint8 p = (Uint8 ) dst;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	561 if (dstlen < 1) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	562 return SDL_ICONV_E2BIG;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	563 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	564 if (ch > 0x7F) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	565 *p = UNKNOWN_ASCII;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	566 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	567 *p = (Uint8) ch;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	568 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	569 ++dst;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	570 --dstlen;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	571 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	572 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	573 case ENCODING_LATIN1:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	574 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	575 Uint8 p = (Uint8 ) dst;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	576 if (dstlen < 1) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	577 return SDL_ICONV_E2BIG;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	578 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	579 if (ch > 0xFF) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	580 *p = UNKNOWN_ASCII;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	581 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	582 *p = (Uint8) ch;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	583 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	584 ++dst;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	585 --dstlen;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	586 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	587 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	588 case ENCODING_UTF8: /* RFC 3629 */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	589 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	590 Uint8 p = (Uint8 ) dst;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	591 if (ch > 0x10FFFF) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	592 ch = UNKNOWN_UNICODE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	593 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	594 if (ch <= 0x7F) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	595 if (dstlen < 1) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	596 return SDL_ICONV_E2BIG;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	597 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	598 *p = (Uint8) ch;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	599 ++dst;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	600 --dstlen;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	601 } else if (ch <= 0x7FF) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	602 if (dstlen < 2) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	603 return SDL_ICONV_E2BIG;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	604 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	605 p[0] = 0xC0 \| (Uint8) ((ch >> 6) & 0x1F);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	606 p[1] = 0x80 \| (Uint8) (ch & 0x3F);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	607 dst += 2;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	608 dstlen -= 2;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	609 } else if (ch <= 0xFFFF) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	610 if (dstlen < 3) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	611 return SDL_ICONV_E2BIG;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	612 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	613 p[0] = 0xE0 \| (Uint8) ((ch >> 12) & 0x0F);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	614 p[1] = 0x80 \| (Uint8) ((ch >> 6) & 0x3F);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	615 p[2] = 0x80 \| (Uint8) (ch & 0x3F);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	616 dst += 3;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	617 dstlen -= 3;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	618 } else if (ch <= 0x1FFFFF) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	619 if (dstlen < 4) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	620 return SDL_ICONV_E2BIG;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	621 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	622 p[0] = 0xF0 \| (Uint8) ((ch >> 18) & 0x07);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	623 p[1] = 0x80 \| (Uint8) ((ch >> 12) & 0x3F);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	624 p[2] = 0x80 \| (Uint8) ((ch >> 6) & 0x3F);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	625 p[3] = 0x80 \| (Uint8) (ch & 0x3F);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	626 dst += 4;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	627 dstlen -= 4;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	628 } else if (ch <= 0x3FFFFFF) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	629 if (dstlen < 5) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	630 return SDL_ICONV_E2BIG;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	631 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	632 p[0] = 0xF8 \| (Uint8) ((ch >> 24) & 0x03);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	633 p[1] = 0x80 \| (Uint8) ((ch >> 18) & 0x3F);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	634 p[2] = 0x80 \| (Uint8) ((ch >> 12) & 0x3F);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	635 p[3] = 0x80 \| (Uint8) ((ch >> 6) & 0x3F);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	636 p[4] = 0x80 \| (Uint8) (ch & 0x3F);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	637 dst += 5;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	638 dstlen -= 5;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	639 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	640 if (dstlen < 6) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	641 return SDL_ICONV_E2BIG;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	642 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	643 p[0] = 0xFC \| (Uint8) ((ch >> 30) & 0x01);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	644 p[1] = 0x80 \| (Uint8) ((ch >> 24) & 0x3F);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	645 p[2] = 0x80 \| (Uint8) ((ch >> 18) & 0x3F);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	646 p[3] = 0x80 \| (Uint8) ((ch >> 12) & 0x3F);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	647 p[4] = 0x80 \| (Uint8) ((ch >> 6) & 0x3F);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	648 p[5] = 0x80 \| (Uint8) (ch & 0x3F);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	649 dst += 6;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	650 dstlen -= 6;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	651 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	652 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	653 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	654 case ENCODING_UTF16BE: /* RFC 2781 */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	655 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	656 Uint8 p = (Uint8 ) dst;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	657 if (ch > 0x10FFFF) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	658 ch = UNKNOWN_UNICODE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	659 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	660 if (ch < 0x10000) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	661 if (dstlen < 2) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	662 return SDL_ICONV_E2BIG;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	663 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	664 p[0] = (Uint8) (ch >> 8);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	665 p[1] = (Uint8) ch;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	666 dst += 2;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	667 dstlen -= 2;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	668 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	669 Uint16 W1, W2;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	670 if (dstlen < 4) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	671 return SDL_ICONV_E2BIG;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	672 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	673 ch = ch - 0x10000;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	674 W1 = 0xD800 \| (Uint16) ((ch >> 10) & 0x3FF);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	675 W2 = 0xDC00 \| (Uint16) (ch & 0x3FF);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	676 p[0] = (Uint8) (W1 >> 8);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	677 p[1] = (Uint8) W1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	678 p[2] = (Uint8) (W2 >> 8);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	679 p[3] = (Uint8) W2;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	680 dst += 4;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	681 dstlen -= 4;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	682 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	683 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	684 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	685 case ENCODING_UTF16LE: /* RFC 2781 */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	686 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	687 Uint8 p = (Uint8 ) dst;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	688 if (ch > 0x10FFFF) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	689 ch = UNKNOWN_UNICODE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	690 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	691 if (ch < 0x10000) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	692 if (dstlen < 2) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	693 return SDL_ICONV_E2BIG;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	694 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	695 p[1] = (Uint8) (ch >> 8);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	696 p[0] = (Uint8) ch;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	697 dst += 2;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	698 dstlen -= 2;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	699 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	700 Uint16 W1, W2;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	701 if (dstlen < 4) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	702 return SDL_ICONV_E2BIG;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	703 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	704 ch = ch - 0x10000;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	705 W1 = 0xD800 \| (Uint16) ((ch >> 10) & 0x3FF);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	706 W2 = 0xDC00 \| (Uint16) (ch & 0x3FF);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	707 p[1] = (Uint8) (W1 >> 8);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	708 p[0] = (Uint8) W1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	709 p[3] = (Uint8) (W2 >> 8);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	710 p[2] = (Uint8) W2;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	711 dst += 4;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	712 dstlen -= 4;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	713 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	714 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	715 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	716 case ENCODING_UTF32BE:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	717 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	718 Uint8 p = (Uint8 ) dst;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	719 if (ch > 0x10FFFF) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	720 ch = UNKNOWN_UNICODE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	721 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	722 if (dstlen < 4) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	723 return SDL_ICONV_E2BIG;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	724 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	725 p[0] = (Uint8) (ch >> 24);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	726 p[1] = (Uint8) (ch >> 16);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	727 p[2] = (Uint8) (ch >> 8);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	728 p[3] = (Uint8) ch;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	729 dst += 4;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	730 dstlen -= 4;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	731 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	732 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	733 case ENCODING_UTF32LE:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	734 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	735 Uint8 p = (Uint8 ) dst;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	736 if (ch > 0x10FFFF) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	737 ch = UNKNOWN_UNICODE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	738 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	739 if (dstlen < 4) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	740 return SDL_ICONV_E2BIG;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	741 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	742 p[3] = (Uint8) (ch >> 24);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	743 p[2] = (Uint8) (ch >> 16);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	744 p[1] = (Uint8) (ch >> 8);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	745 p[0] = (Uint8) ch;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	746 dst += 4;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	747 dstlen -= 4;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	748 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	749 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	750 case ENCODING_UCS2:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	751 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	752 Uint16 p = (Uint16 ) dst;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	753 if (ch > 0xFFFF) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	754 ch = UNKNOWN_UNICODE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	755 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	756 if (dstlen < 2) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	757 return SDL_ICONV_E2BIG;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	758 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	759 *p = (Uint16) ch;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	760 dst += 2;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	761 dstlen -= 2;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	762 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	763 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	764 case ENCODING_UCS4:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	765 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	766 Uint32 p = (Uint32 ) dst;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	767 if (ch > 0x7FFFFFFF) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	768 ch = UNKNOWN_UNICODE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	769 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	770 if (dstlen < 4) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	771 return SDL_ICONV_E2BIG;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	772 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	773 *p = ch;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	774 dst += 4;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	775 dstlen -= 4;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	776 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	777 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	778 }
1501 73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	779
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	780 /* Update state */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	781 *inbuf = src;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	782 *inbytesleft = srclen;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	783 *outbuf = dst;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	784 *outbytesleft = dstlen;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	785 ++total;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	786 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	787 return total;
1501 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
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	790 int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	791 SDL_iconv_close(SDL_iconv_t cd)
1501 73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	792 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	793 if (cd && cd != (SDL_iconv_t) - 1) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	794 SDL_free(cd);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	795 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	796 return 0;
1501 73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	797 }
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	798
73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	799 #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	800
2143 e906da4414a3 Fix for bug #447 merged from SDL 1.2 Sam Lantinga <slouken@libsdl.org> parents: 2142 diff changeset	801 static const char *
e906da4414a3 Fix for bug #447 merged from SDL 1.2 Sam Lantinga <slouken@libsdl.org> parents: 2142 diff changeset	802 getlocale()
e906da4414a3 Fix for bug #447 merged from SDL 1.2 Sam Lantinga <slouken@libsdl.org> parents: 2142 diff changeset	803 {
e906da4414a3 Fix for bug #447 merged from SDL 1.2 Sam Lantinga <slouken@libsdl.org> parents: 2142 diff changeset	804 const char *lang;
e906da4414a3 Fix for bug #447 merged from SDL 1.2 Sam Lantinga <slouken@libsdl.org> parents: 2142 diff changeset	805
e906da4414a3 Fix for bug #447 merged from SDL 1.2 Sam Lantinga <slouken@libsdl.org> parents: 2142 diff changeset	806 lang = SDL_getenv("LC_ALL");
e906da4414a3 Fix for bug #447 merged from SDL 1.2 Sam Lantinga <slouken@libsdl.org> parents: 2142 diff changeset	807 if (!lang) {
e906da4414a3 Fix for bug #447 merged from SDL 1.2 Sam Lantinga <slouken@libsdl.org> parents: 2142 diff changeset	808 lang = SDL_getenv("LC_CTYPE");
e906da4414a3 Fix for bug #447 merged from SDL 1.2 Sam Lantinga <slouken@libsdl.org> parents: 2142 diff changeset	809 }
e906da4414a3 Fix for bug #447 merged from SDL 1.2 Sam Lantinga <slouken@libsdl.org> parents: 2142 diff changeset	810 if (!lang) {
e906da4414a3 Fix for bug #447 merged from SDL 1.2 Sam Lantinga <slouken@libsdl.org> parents: 2142 diff changeset	811 lang = SDL_getenv("LC_MESSAGES");
e906da4414a3 Fix for bug #447 merged from SDL 1.2 Sam Lantinga <slouken@libsdl.org> parents: 2142 diff changeset	812 }
e906da4414a3 Fix for bug #447 merged from SDL 1.2 Sam Lantinga <slouken@libsdl.org> parents: 2142 diff changeset	813 if (!lang) {
e906da4414a3 Fix for bug #447 merged from SDL 1.2 Sam Lantinga <slouken@libsdl.org> parents: 2142 diff changeset	814 lang = SDL_getenv("LANG");
e906da4414a3 Fix for bug #447 merged from SDL 1.2 Sam Lantinga <slouken@libsdl.org> parents: 2142 diff changeset	815 }
e906da4414a3 Fix for bug #447 merged from SDL 1.2 Sam Lantinga <slouken@libsdl.org> parents: 2142 diff changeset	816 if (!lang \|\| SDL_strcmp(lang, "C") == 0) {
e906da4414a3 Fix for bug #447 merged from SDL 1.2 Sam Lantinga <slouken@libsdl.org> parents: 2142 diff changeset	817 lang = "ASCII";
e906da4414a3 Fix for bug #447 merged from SDL 1.2 Sam Lantinga <slouken@libsdl.org> parents: 2142 diff changeset	818 }
e906da4414a3 Fix for bug #447 merged from SDL 1.2 Sam Lantinga <slouken@libsdl.org> parents: 2142 diff changeset	819 return lang;
e906da4414a3 Fix for bug #447 merged from SDL 1.2 Sam Lantinga <slouken@libsdl.org> parents: 2142 diff changeset	820 }
e906da4414a3 Fix for bug #447 merged from SDL 1.2 Sam Lantinga <slouken@libsdl.org> parents: 2142 diff changeset	821
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	822 char *
2135 0313af081a84 Merge iconv const changes from 1.2 Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	823 SDL_iconv_string(const char tocode, const char fromcode, const char *inbuf,
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	824 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	825 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	826 SDL_iconv_t cd;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	827 char *string;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	828 size_t stringsize;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	829 char *outbuf;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	830 size_t outbytesleft;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	831 size_t retCode = 0;
1501 73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	832
2182 cc2597da0840 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 2143 diff changeset	833 cd = SDL_iconv_open(tocode, fromcode);
cc2597da0840 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 2143 diff changeset	834 if (cd == (SDL_iconv_t) - 1) {
cc2597da0840 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 2143 diff changeset	835 /* See if we can recover here (fixes iconv on Solaris 11) */
cc2597da0840 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 2143 diff changeset	836 if (!tocode \|\| !*tocode) {
cc2597da0840 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 2143 diff changeset	837 tocode = "UTF-8";
cc2597da0840 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 2143 diff changeset	838 }
cc2597da0840 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 2143 diff changeset	839 if (!fromcode \|\| !*fromcode) {
cc2597da0840 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 2143 diff changeset	840 tocode = "UTF-8";
cc2597da0840 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 2143 diff changeset	841 }
cc2597da0840 Fixed bug #455 Sam Lantinga <slouken@libsdl.org> parents: 2143 diff changeset	842 cd = SDL_iconv_open(tocode, fromcode);
2143 e906da4414a3 Fix for bug #447 merged from SDL 1.2 Sam Lantinga <slouken@libsdl.org> parents: 2142 diff changeset	843 }
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	844 if (cd == (SDL_iconv_t) - 1) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	845 return NULL;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	846 }
1501 73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	847
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	848 stringsize = inbytesleft > 4 ? inbytesleft : 4;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	849 string = SDL_malloc(stringsize);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	850 if (!string) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	851 SDL_iconv_close(cd);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	852 return NULL;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	853 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	854 outbuf = string;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	855 outbytesleft = stringsize;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	856 SDL_memset(outbuf, 0, 4);
1501 73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	857
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	858 while (inbytesleft > 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	859 retCode = SDL_iconv(cd, &inbuf, &inbytesleft, &outbuf, &outbytesleft);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	860 switch (retCode) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	861 case SDL_ICONV_E2BIG:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	862 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	863 char *oldstring = string;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	864 stringsize *= 2;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	865 string = SDL_realloc(string, stringsize);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	866 if (!string) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	867 SDL_iconv_close(cd);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	868 return NULL;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	869 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	870 outbuf = string + (outbuf - oldstring);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	871 outbytesleft = stringsize - (outbuf - string);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	872 SDL_memset(outbuf, 0, 4);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	873 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	874 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	875 case SDL_ICONV_EILSEQ:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	876 /* Try skipping some input data - not perfect, but... */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	877 ++inbuf;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	878 --inbytesleft;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	879 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	880 case SDL_ICONV_EINVAL:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	881 case SDL_ICONV_ERROR:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	882 /* We can't continue... */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	883 inbytesleft = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	884 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	885 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	886 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	887 SDL_iconv_close(cd);
1501 73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	888
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	889 return string;
1501 73dc5d39bbf8 Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability Sam Lantinga <slouken@libsdl.org> parents: diff changeset	890 }
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	891
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1849 diff changeset	892 /* vi: set ts=4 sw=4 expandtab: */

Mercurial > sdl-ios-xcode

annotate src/stdlib/SDL_iconv.c @ 2182:cc2597da0840