sdl-ios-xcode: include/SDL

annotate include/SDL_rwops.h @ 2247:93994f65c74c

Removed hermes since it's LGPL and not compatible with a commercial license. Prepping for using MMX and SSE intrinsics instead of inline assembly. .. except for memcpy equivalents which only get faster if they can exploit the parallelism of loading into multiple SIMD registers. :)

author	Sam Lantinga <slouken@libsdl.org>
date	Wed, 15 Aug 2007 08:21:10 +0000
parents	e635db5b45ef
children	99210400e8b9

rev	line source
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1 /*
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2 SDL - Simple DirectMedia Layer
1312 c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges) Sam Lantinga <slouken@libsdl.org> parents: 930 diff changeset	3 Copyright (C) 1997-2006 Sam Lantinga
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	4
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	5 This library is free software; you can redistribute it and/or
1312 c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges) Sam Lantinga <slouken@libsdl.org> parents: 930 diff changeset	6 modify it under the terms of the GNU Lesser General Public
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	7 License as published by the Free Software Foundation; either
1312 c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges) Sam Lantinga <slouken@libsdl.org> parents: 930 diff changeset	8 version 2.1 of the License, or (at your option) any later version.
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	9
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	10 This library is distributed in the hope that it will be useful,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	11 but WITHOUT ANY WARRANTY; without even the implied warranty of
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
1312 c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges) Sam Lantinga <slouken@libsdl.org> parents: 930 diff changeset	13 Lesser General Public License for more details.
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	14
1312 c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges) Sam Lantinga <slouken@libsdl.org> parents: 930 diff changeset	15 You should have received a copy of the GNU Lesser General Public
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges) Sam Lantinga <slouken@libsdl.org> parents: 930 diff changeset	16 License along with this library; if not, write to the Free Software
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges) Sam Lantinga <slouken@libsdl.org> parents: 930 diff changeset	17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	18
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	19 Sam Lantinga
251 b8688cfdc232 Updated the headers with the correct e-mail address Sam Lantinga <slouken@libsdl.org> parents: 0 diff changeset	20 slouken@libsdl.org
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	21 */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	22
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	23 /**
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	24 * \file SDL_rwops.h
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	25 *
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	26 * This file provides a general interface for SDL to read and write
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	27 * data sources. It can easily be extended to files, memory, etc.
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	28 */
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	29
1402 d910939febfa Use consistent identifiers for the various platforms we support. Sam Lantinga <slouken@libsdl.org> parents: 1358 diff changeset	30 #ifndef _SDL_rwops_h
d910939febfa Use consistent identifiers for the various platforms we support. Sam Lantinga <slouken@libsdl.org> parents: 1358 diff changeset	31 #define _SDL_rwops_h
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	32
1354 22f39393668a Fixed build problem with SDL_string.c Sam Lantinga <slouken@libsdl.org> parents: 1330 diff changeset	33 #include "SDL_stdinc.h"
1358 c71e05b4dc2e More header massaging... works great on Windows. ;-) Sam Lantinga <slouken@libsdl.org> parents: 1356 diff changeset	34 #include "SDL_error.h"
1330 450721ad5436 It's now possible to build SDL without any C runtime at all on Windows, Sam Lantinga <slouken@libsdl.org> parents: 1312 diff changeset	35
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	36 #include "begin_code.h"
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	37 /* Set up for C function definitions, even when using C++ */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	38 #ifdef __cplusplus
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	39 /* INDENT-OFF */
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	40 extern "C" {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	41 /* INDENT-ON */
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	42 #endif
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	43
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	44 /* This is the read/write operation structure -- very basic */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	45
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	46 typedef struct SDL_RWops
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	47 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	48 /* Seek to 'offset' relative to whence, one of stdio's whence values:
2160 00adbaed3910 Updated to use size_t instead of int for amounts of data. Sam Lantinga <slouken@libsdl.org> parents: 2159 diff changeset	49 RW_SEEK_SET, RW_SEEK_CUR, RW_SEEK_END
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	50 Returns the final offset in the data source.
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	51 */
2160 00adbaed3910 Updated to use size_t instead of int for amounts of data. Sam Lantinga <slouken@libsdl.org> parents: 2159 diff changeset	52 long (SDLCALL * seek) (struct SDL_RWops * context, long offset,
00adbaed3910 Updated to use size_t instead of int for amounts of data. Sam Lantinga <slouken@libsdl.org> parents: 2159 diff changeset	53 int whence);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	54
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	55 /* Read up to 'num' objects each of size 'objsize' from the data
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	56 source to the area pointed at by 'ptr'.
2160 00adbaed3910 Updated to use size_t instead of int for amounts of data. Sam Lantinga <slouken@libsdl.org> parents: 2159 diff changeset	57 Returns the number of objects read, or 0 at error or end of file.
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	58 */
2160 00adbaed3910 Updated to use size_t instead of int for amounts of data. Sam Lantinga <slouken@libsdl.org> parents: 2159 diff changeset	59 size_t(SDLCALL * read) (struct SDL_RWops * context, void *ptr,
00adbaed3910 Updated to use size_t instead of int for amounts of data. Sam Lantinga <slouken@libsdl.org> parents: 2159 diff changeset	60 size_t size, size_t maxnum);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	61
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	62 /* Write exactly 'num' objects each of size 'objsize' from the area
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	63 pointed at by 'ptr' to data source.
2160 00adbaed3910 Updated to use size_t instead of int for amounts of data. Sam Lantinga <slouken@libsdl.org> parents: 2159 diff changeset	64 Returns the number of objects written, or 0 at error or end of file.
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	65 */
2160 00adbaed3910 Updated to use size_t instead of int for amounts of data. Sam Lantinga <slouken@libsdl.org> parents: 2159 diff changeset	66 size_t(SDLCALL * write) (struct SDL_RWops * context, const void *ptr,
00adbaed3910 Updated to use size_t instead of int for amounts of data. Sam Lantinga <slouken@libsdl.org> parents: 2159 diff changeset	67 size_t size, size_t num);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	68
2160 00adbaed3910 Updated to use size_t instead of int for amounts of data. Sam Lantinga <slouken@libsdl.org> parents: 2159 diff changeset	69 /* Close and free an allocated SDL_RWops structure.
00adbaed3910 Updated to use size_t instead of int for amounts of data. Sam Lantinga <slouken@libsdl.org> parents: 2159 diff changeset	70 Returns 0 if successful or -1 on write error when flushing data.
00adbaed3910 Updated to use size_t instead of int for amounts of data. Sam Lantinga <slouken@libsdl.org> parents: 2159 diff changeset	71 */
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	72 int (SDLCALL * close) (struct SDL_RWops * context);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	73
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	74 Uint32 type;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	75 union
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	76 {
1447 515df0086eb7 Prefer the raw Win32 API over stdio for file RWops Sam Lantinga <slouken@libsdl.org> parents: 1446 diff changeset	77 #ifdef __WIN32__
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	78 struct
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	79 {
2160 00adbaed3910 Updated to use size_t instead of int for amounts of data. Sam Lantinga <slouken@libsdl.org> parents: 2159 diff changeset	80 SDL_bool append;
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	81 void *h;
2159 dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	82 struct
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	83 {
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	84 void *data;
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	85 int size;
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	86 int left;
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	87 } buffer;
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	88 } win32io;
1447 515df0086eb7 Prefer the raw Win32 API over stdio for file RWops Sam Lantinga <slouken@libsdl.org> parents: 1446 diff changeset	89 #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: 1453 diff changeset	90 #ifdef HAVE_STDIO_H
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	91 struct
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	92 {
2160 00adbaed3910 Updated to use size_t instead of int for amounts of data. Sam Lantinga <slouken@libsdl.org> parents: 2159 diff changeset	93 SDL_bool autoclose;
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	94 FILE *fp;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	95 } stdio;
1330 450721ad5436 It's now possible to build SDL without any C runtime at all on Windows, Sam Lantinga <slouken@libsdl.org> parents: 1312 diff changeset	96 #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: 1453 diff changeset	97 struct
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	98 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	99 Uint8 *base;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	100 Uint8 *here;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	101 Uint8 *stop;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	102 } mem;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	103 struct
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	104 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	105 void *data1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	106 } unknown;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	107 } hidden;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	108
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	109 } SDL_RWops;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	110
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	111
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	112 /* Functions to create SDL_RWops structures from various data sources */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	113
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	114 extern DECLSPEC SDL_RWops SDLCALL SDL_RWFromFile(const char file,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	115 const char *mode);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	116
1330 450721ad5436 It's now possible to build SDL without any C runtime at all on Windows, Sam Lantinga <slouken@libsdl.org> parents: 1312 diff changeset	117 #ifdef HAVE_STDIO_H
2161 e635db5b45ef Oh yeah, they're boolean values... Sam Lantinga <slouken@libsdl.org> parents: 2160 diff changeset	118 extern DECLSPEC SDL_RWops SDLCALL SDL_RWFromFP(FILE fp,
e635db5b45ef Oh yeah, they're boolean values... Sam Lantinga <slouken@libsdl.org> parents: 2160 diff changeset	119 SDL_bool autoclose);
1330 450721ad5436 It's now possible to build SDL without any C runtime at all on Windows, Sam Lantinga <slouken@libsdl.org> parents: 1312 diff changeset	120 #endif
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	121
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	122 extern DECLSPEC SDL_RWops SDLCALL SDL_RWFromMem(void mem, int size);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	123 extern DECLSPEC SDL_RWops SDLCALL SDL_RWFromConstMem(const void mem,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	124 int size);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	125
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	126 extern DECLSPEC SDL_RWops *SDLCALL SDL_AllocRW(void);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	127 extern DECLSPEC void SDLCALL SDL_FreeRW(SDL_RWops * area);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	128
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	129 #define RW_SEEK_SET 0 /* Seek from the beginning of data */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	130 #define RW_SEEK_CUR 1 /* Seek relative to current read point */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	131 #define RW_SEEK_END 2 /* Seek relative to the end of data */
1330 450721ad5436 It's now possible to build SDL without any C runtime at all on Windows, Sam Lantinga <slouken@libsdl.org> parents: 1312 diff changeset	132
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	133 /* Macros to easily read and write from an SDL_RWops structure */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	134 #define SDL_RWseek(ctx, offset, whence) (ctx)->seek(ctx, offset, whence)
1330 450721ad5436 It's now possible to build SDL without any C runtime at all on Windows, Sam Lantinga <slouken@libsdl.org> parents: 1312 diff changeset	135 #define SDL_RWtell(ctx) (ctx)->seek(ctx, 0, RW_SEEK_CUR)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	136 #define SDL_RWread(ctx, ptr, size, n) (ctx)->read(ctx, ptr, size, n)
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	137 #define SDL_RWwrite(ctx, ptr, size, n) (ctx)->write(ctx, ptr, size, n)
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	138 #define SDL_RWclose(ctx) (ctx)->close(ctx)
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	139
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	140
1354 22f39393668a Fixed build problem with SDL_string.c Sam Lantinga <slouken@libsdl.org> parents: 1330 diff changeset	141 /* Read an item of the specified endianness and return in native format */
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	142 extern DECLSPEC Uint16 SDLCALL SDL_ReadLE16(SDL_RWops * src);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	143 extern DECLSPEC Uint16 SDLCALL SDL_ReadBE16(SDL_RWops * src);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	144 extern DECLSPEC Uint32 SDLCALL SDL_ReadLE32(SDL_RWops * src);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	145 extern DECLSPEC Uint32 SDLCALL SDL_ReadBE32(SDL_RWops * src);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	146 extern DECLSPEC Uint64 SDLCALL SDL_ReadLE64(SDL_RWops * src);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	147 extern DECLSPEC Uint64 SDLCALL SDL_ReadBE64(SDL_RWops * src);
1354 22f39393668a Fixed build problem with SDL_string.c Sam Lantinga <slouken@libsdl.org> parents: 1330 diff changeset	148
22f39393668a Fixed build problem with SDL_string.c Sam Lantinga <slouken@libsdl.org> parents: 1330 diff changeset	149 /* Write an item of native format to the specified endianness */
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	150 extern DECLSPEC int SDLCALL SDL_WriteLE16(SDL_RWops * dst, Uint16 value);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	151 extern DECLSPEC int SDLCALL SDL_WriteBE16(SDL_RWops * dst, Uint16 value);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	152 extern DECLSPEC int SDLCALL SDL_WriteLE32(SDL_RWops * dst, Uint32 value);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	153 extern DECLSPEC int SDLCALL SDL_WriteBE32(SDL_RWops * dst, Uint32 value);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	154 extern DECLSPEC int SDLCALL SDL_WriteLE64(SDL_RWops * dst, Uint64 value);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	155 extern DECLSPEC int SDLCALL SDL_WriteBE64(SDL_RWops * dst, Uint64 value);
1354 22f39393668a Fixed build problem with SDL_string.c Sam Lantinga <slouken@libsdl.org> parents: 1330 diff changeset	156
22f39393668a Fixed build problem with SDL_string.c Sam Lantinga <slouken@libsdl.org> parents: 1330 diff changeset	157
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	158 /* Ends C function definitions when using C++ */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	159 #ifdef __cplusplus
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	160 /* INDENT-OFF */
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	161 }
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	162 /* INDENT-ON */
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	163 #endif
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	164 #include "close_code.h"
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	165
1402 d910939febfa Use consistent identifiers for the various platforms we support. Sam Lantinga <slouken@libsdl.org> parents: 1358 diff changeset	166 #endif /* _SDL_rwops_h */
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	167
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1453 diff changeset	168 /* vi: set ts=4 sw=4 expandtab: */

Mercurial > sdl-ios-xcode

annotate include/SDL_rwops.h @ 2247:93994f65c74c