sdl-ios-xcode: src/file/SDL

annotate src/file/SDL_rwops.c @ 2165:c2ffcc627701

Merged r3201:3204 from branches/SDL-1.2: win32 rwops tweaks.

author	Ryan C. Gordon <icculus@icculus.org>
date	Tue, 10 Jul 2007 19:06:02 +0000
parents	d083a2e4433d
children	26233707bc94

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: 1269 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: 1269 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: 1269 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: 1269 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: 1269 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: 1269 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: 1269 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
252 e8157fcb3114 Updated the source with the correct e-mail address Sam Lantinga <slouken@libsdl.org> parents: 36 diff changeset	20 slouken@libsdl.org
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	21 */
1402 d910939febfa Use consistent identifiers for the various platforms we support. Sam Lantinga <slouken@libsdl.org> parents: 1358 diff changeset	22 #include "SDL_config.h"
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	23
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	24 /* This file provides a general interface for SDL to read and write
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	25 data sources. It can easily be extended to files, memory, etc.
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	26 */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	27
1354 22f39393668a Fixed build problem with SDL_string.c Sam Lantinga <slouken@libsdl.org> parents: 1338 diff changeset	28 #include "SDL_endian.h"
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	29 #include "SDL_rwops.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	30
1354 22f39393668a Fixed build problem with SDL_string.c Sam Lantinga <slouken@libsdl.org> parents: 1338 diff changeset	31
2159 dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	32 #ifdef __WIN32__
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	33
1447 515df0086eb7 Prefer the raw Win32 API over stdio for file RWops Sam Lantinga <slouken@libsdl.org> parents: 1446 diff changeset	34 /* Functions to read/write Win32 API file pointers */
1465 8dfa9a6d69a5 Updated WinCE support by Dmitry (with some tweaks) Sam Lantinga <slouken@libsdl.org> parents: 1456 diff changeset	35 /* Will not use it on WinCE because stdio is buffered, it means
8dfa9a6d69a5 Updated WinCE support by Dmitry (with some tweaks) Sam Lantinga <slouken@libsdl.org> parents: 1456 diff changeset	36 faster, and all stdio functions anyway are embedded in coredll.dll -
8dfa9a6d69a5 Updated WinCE support by Dmitry (with some tweaks) Sam Lantinga <slouken@libsdl.org> parents: 1456 diff changeset	37 the main wince dll*/
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	38
1446 47bf1767c4ca Date: Mon, 27 Feb 2006 02:17:29 +0100 Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	39 #define WINDOWS_LEAN_AND_MEAN
47bf1767c4ca Date: Mon, 27 Feb 2006 02:17:29 +0100 Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	40 #include <windows.h>
47bf1767c4ca Date: Mon, 27 Feb 2006 02:17:29 +0100 Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	41
1465 8dfa9a6d69a5 Updated WinCE support by Dmitry (with some tweaks) Sam Lantinga <slouken@libsdl.org> parents: 1456 diff changeset	42 #ifndef INVALID_SET_FILE_POINTER
8dfa9a6d69a5 Updated WinCE support by Dmitry (with some tweaks) Sam Lantinga <slouken@libsdl.org> parents: 1456 diff changeset	43 #define INVALID_SET_FILE_POINTER 0xFFFFFFFF
8dfa9a6d69a5 Updated WinCE support by Dmitry (with some tweaks) Sam Lantinga <slouken@libsdl.org> parents: 1456 diff changeset	44 #endif
8dfa9a6d69a5 Updated WinCE support by Dmitry (with some tweaks) Sam Lantinga <slouken@libsdl.org> parents: 1456 diff changeset	45
2159 dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	46 #define READAHEAD_BUFFER_SIZE 1024
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	47
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	48 static int SDLCALL
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	49 win32_file_open(SDL_RWops * context, const char filename, const char mode)
1465 8dfa9a6d69a5 Updated WinCE support by Dmitry (with some tweaks) Sam Lantinga <slouken@libsdl.org> parents: 1456 diff changeset	50 {
8dfa9a6d69a5 Updated WinCE support by Dmitry (with some tweaks) Sam Lantinga <slouken@libsdl.org> parents: 1456 diff changeset	51 #ifndef _WIN32_WCE
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	52 UINT old_error_mode;
1465 8dfa9a6d69a5 Updated WinCE support by Dmitry (with some tweaks) Sam Lantinga <slouken@libsdl.org> parents: 1456 diff changeset	53 #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: 1769 diff changeset	54 HANDLE h;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	55 DWORD r_right, w_right;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	56 DWORD must_exist, truncate;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	57 int a_mode;
1446 47bf1767c4ca Date: Mon, 27 Feb 2006 02:17:29 +0100 Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	58
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	59 if (!context)
2164 d083a2e4433d Merged memory leak fix from SDL 1.2 Sam Lantinga <slouken@libsdl.org> parents: 2161 diff changeset	60 return -1; /* failed (invalid call) */
2159 dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	61
2165 c2ffcc627701 Merged r3201:3204 from branches/SDL-1.2: win32 rwops tweaks. Ryan C. Gordon <icculus@icculus.org> parents: 2164 diff changeset	62 context->hidden.win32io.h = INVALID_HANDLE_VALUE; /* mark this as unusable */
c2ffcc627701 Merged r3201:3204 from branches/SDL-1.2: win32 rwops tweaks. Ryan C. Gordon <icculus@icculus.org> parents: 2164 diff changeset	63 context->hidden.win32io.buffer.data = NULL;
c2ffcc627701 Merged r3201:3204 from branches/SDL-1.2: win32 rwops tweaks. Ryan C. Gordon <icculus@icculus.org> parents: 2164 diff changeset	64 context->hidden.win32io.buffer.size = 0;
c2ffcc627701 Merged r3201:3204 from branches/SDL-1.2: win32 rwops tweaks. Ryan C. Gordon <icculus@icculus.org> parents: 2164 diff changeset	65 context->hidden.win32io.buffer.left = 0;
c2ffcc627701 Merged r3201:3204 from branches/SDL-1.2: win32 rwops tweaks. Ryan C. Gordon <icculus@icculus.org> parents: 2164 diff changeset	66
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	67 /* "r" = reading, file must exist */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	68 /* "w" = writing, truncate existing, file may not exist */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	69 /* "r+"= reading or writing, file must exist */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	70 /* "a" = writing, append file may not exist */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	71 /* "a+"= append + read, file may not exist */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	72 /* "w+" = read, write, truncate. file may not exist */
1446 47bf1767c4ca Date: Mon, 27 Feb 2006 02:17:29 +0100 Sam Lantinga <slouken@libsdl.org> parents: 1402 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: 1769 diff changeset	74 must_exist = (SDL_strchr(mode, 'r') != NULL) ? OPEN_EXISTING : 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	75 truncate = (SDL_strchr(mode, 'w') != NULL) ? CREATE_ALWAYS : 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	76 r_right = (SDL_strchr(mode, '+') != NULL
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	77 \|\| must_exist) ? GENERIC_READ : 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	78 a_mode = (SDL_strchr(mode, 'a') != NULL) ? OPEN_ALWAYS : 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	79 w_right = (a_mode \|\| SDL_strchr(mode, '+')
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	80 \|\| truncate) ? GENERIC_WRITE : 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	81
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	82 if (!r_right && !w_right) /* inconsistent mode */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	83 return -1; /* failed (invalid call) */
1465 8dfa9a6d69a5 Updated WinCE support by Dmitry (with some tweaks) Sam Lantinga <slouken@libsdl.org> parents: 1456 diff changeset	84
2165 c2ffcc627701 Merged r3201:3204 from branches/SDL-1.2: win32 rwops tweaks. Ryan C. Gordon <icculus@icculus.org> parents: 2164 diff changeset	85 context->hidden.win32io.buffer.data = (char *)SDL_malloc(READAHEAD_BUFFER_SIZE);
c2ffcc627701 Merged r3201:3204 from branches/SDL-1.2: win32 rwops tweaks. Ryan C. Gordon <icculus@icculus.org> parents: 2164 diff changeset	86 if (!context->hidden.win32io.buffer.data) {
c2ffcc627701 Merged r3201:3204 from branches/SDL-1.2: win32 rwops tweaks. Ryan C. Gordon <icculus@icculus.org> parents: 2164 diff changeset	87 SDL_OutOfMemory();
c2ffcc627701 Merged r3201:3204 from branches/SDL-1.2: win32 rwops tweaks. Ryan C. Gordon <icculus@icculus.org> parents: 2164 diff changeset	88 return -1;
c2ffcc627701 Merged r3201:3204 from branches/SDL-1.2: win32 rwops tweaks. Ryan C. Gordon <icculus@icculus.org> parents: 2164 diff changeset	89 }
c2ffcc627701 Merged r3201:3204 from branches/SDL-1.2: win32 rwops tweaks. Ryan C. Gordon <icculus@icculus.org> parents: 2164 diff changeset	90
1465 8dfa9a6d69a5 Updated WinCE support by Dmitry (with some tweaks) Sam Lantinga <slouken@libsdl.org> parents: 1456 diff changeset	91 #ifdef _WIN32_WCE
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	92 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	93 size_t size = SDL_strlen(filename) + 1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	94 wchar_t *filenameW = SDL_stack_alloc(wchar_t, size);
1465 8dfa9a6d69a5 Updated WinCE support by Dmitry (with some tweaks) Sam Lantinga <slouken@libsdl.org> parents: 1456 diff changeset	95
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	96 if (MultiByteToWideChar(CP_UTF8, 0, filename, -1, filenameW, size) ==
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	97 0) {
2165 c2ffcc627701 Merged r3201:3204 from branches/SDL-1.2: win32 rwops tweaks. Ryan C. Gordon <icculus@icculus.org> parents: 2164 diff changeset	98 SDL_stack_free(filenameW);
c2ffcc627701 Merged r3201:3204 from branches/SDL-1.2: win32 rwops tweaks. Ryan C. Gordon <icculus@icculus.org> parents: 2164 diff changeset	99 SDL_free(context->hidden.win32io.buffer.data);
c2ffcc627701 Merged r3201:3204 from branches/SDL-1.2: win32 rwops tweaks. Ryan C. Gordon <icculus@icculus.org> parents: 2164 diff changeset	100 context->hidden.win32io.buffer.data = NULL;
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	101 SDL_SetError("Unable to convert filename to Unicode");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	102 return -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	103 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	104 h = CreateFile(filenameW, (w_right \| r_right),
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	105 (w_right) ? 0 : FILE_SHARE_READ, NULL,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	106 (must_exist \| truncate \| a_mode),
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	107 FILE_ATTRIBUTE_NORMAL, NULL);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	108 SDL_stack_free(filenameW);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	109 }
1465 8dfa9a6d69a5 Updated WinCE support by Dmitry (with some tweaks) Sam Lantinga <slouken@libsdl.org> parents: 1456 diff changeset	110 #else
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	111 /* Do not open a dialog box if failure */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	112 old_error_mode =
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	113 SetErrorMode(SEM_NOOPENFILEERRORBOX \| SEM_FAILCRITICALERRORS);
1465 8dfa9a6d69a5 Updated WinCE support by Dmitry (with some tweaks) Sam Lantinga <slouken@libsdl.org> parents: 1456 diff changeset	114
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	115 h = CreateFile(filename, (w_right \| r_right),
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	116 (w_right) ? 0 : FILE_SHARE_READ, NULL,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	117 (must_exist \| truncate \| a_mode), FILE_ATTRIBUTE_NORMAL,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	118 NULL);
1465 8dfa9a6d69a5 Updated WinCE support by Dmitry (with some tweaks) Sam Lantinga <slouken@libsdl.org> parents: 1456 diff changeset	119
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	120 /* restore old behaviour */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	121 SetErrorMode(old_error_mode);
1465 8dfa9a6d69a5 Updated WinCE support by Dmitry (with some tweaks) Sam Lantinga <slouken@libsdl.org> parents: 1456 diff changeset	122 #endif /* _WIN32_WCE */
1446 47bf1767c4ca Date: Mon, 27 Feb 2006 02:17:29 +0100 Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	123
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	124 if (h == INVALID_HANDLE_VALUE) {
2165 c2ffcc627701 Merged r3201:3204 from branches/SDL-1.2: win32 rwops tweaks. Ryan C. Gordon <icculus@icculus.org> parents: 2164 diff changeset	125 SDL_free(context->hidden.win32io.buffer.data);
c2ffcc627701 Merged r3201:3204 from branches/SDL-1.2: win32 rwops tweaks. Ryan C. Gordon <icculus@icculus.org> parents: 2164 diff changeset	126 context->hidden.win32io.buffer.data = NULL;
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	127 SDL_SetError("Couldn't open %s", filename);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	128 return -2; /* failed (CreateFile) */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	129 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	130 context->hidden.win32io.h = h;
2161 e635db5b45ef Oh yeah, they're boolean values... Sam Lantinga <slouken@libsdl.org> parents: 2160 diff changeset	131 context->hidden.win32io.append = a_mode ? SDL_TRUE : SDL_FALSE;
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	132
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	133 return 0; /* ok */
1446 47bf1767c4ca Date: Mon, 27 Feb 2006 02:17:29 +0100 Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	134 }
2160 00adbaed3910 Updated to use size_t instead of int for amounts of data. Sam Lantinga <slouken@libsdl.org> parents: 2159 diff changeset	135 static long SDLCALL
00adbaed3910 Updated to use size_t instead of int for amounts of data. Sam Lantinga <slouken@libsdl.org> parents: 2159 diff changeset	136 win32_file_seek(SDL_RWops * context, long offset, int whence)
1465 8dfa9a6d69a5 Updated WinCE support by Dmitry (with some tweaks) Sam Lantinga <slouken@libsdl.org> parents: 1456 diff changeset	137 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	138 DWORD win32whence;
2160 00adbaed3910 Updated to use size_t instead of int for amounts of data. Sam Lantinga <slouken@libsdl.org> parents: 2159 diff changeset	139 long file_pos;
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	140
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	141 if (!context \|\| context->hidden.win32io.h == INVALID_HANDLE_VALUE) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	142 SDL_SetError("win32_file_seek: invalid context/file not opened");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	143 return -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	144 }
1446 47bf1767c4ca Date: Mon, 27 Feb 2006 02:17:29 +0100 Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	145
2159 dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	146 /* FIXME: We may be able to satisfy the seek within buffered data */
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	147 if (whence == RW_SEEK_CUR && context->hidden.win32io.buffer.left) {
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	148 offset -= context->hidden.win32io.buffer.left;
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	149 }
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	150 context->hidden.win32io.buffer.left = 0;
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	151
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	152 switch (whence) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	153 case RW_SEEK_SET:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	154 win32whence = FILE_BEGIN;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	155 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	156 case RW_SEEK_CUR:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	157 win32whence = FILE_CURRENT;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	158 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	159 case RW_SEEK_END:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	160 win32whence = FILE_END;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	161 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	162 default:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	163 SDL_SetError("win32_file_seek: Unknown value for 'whence'");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	164 return -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	165 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	166
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	167 file_pos =
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	168 SetFilePointer(context->hidden.win32io.h, offset, NULL, win32whence);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	169
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	170 if (file_pos != INVALID_SET_FILE_POINTER)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	171 return file_pos; /* success */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	172
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	173 SDL_Error(SDL_EFSEEK);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	174 return -1; /* error */
1446 47bf1767c4ca Date: Mon, 27 Feb 2006 02:17:29 +0100 Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	175 }
2160 00adbaed3910 Updated to use size_t instead of int for amounts of data. Sam Lantinga <slouken@libsdl.org> parents: 2159 diff changeset	176 static size_t SDLCALL
00adbaed3910 Updated to use size_t instead of int for amounts of data. Sam Lantinga <slouken@libsdl.org> parents: 2159 diff changeset	177 win32_file_read(SDL_RWops * context, void *ptr, size_t size, size_t maxnum)
1465 8dfa9a6d69a5 Updated WinCE support by Dmitry (with some tweaks) Sam Lantinga <slouken@libsdl.org> parents: 1456 diff changeset	178 {
2160 00adbaed3910 Updated to use size_t instead of int for amounts of data. Sam Lantinga <slouken@libsdl.org> parents: 2159 diff changeset	179 size_t total_need;
00adbaed3910 Updated to use size_t instead of int for amounts of data. Sam Lantinga <slouken@libsdl.org> parents: 2159 diff changeset	180 size_t total_read = 0;
00adbaed3910 Updated to use size_t instead of int for amounts of data. Sam Lantinga <slouken@libsdl.org> parents: 2159 diff changeset	181 size_t read_ahead;
2159 dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	182 DWORD byte_read;
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	183
2159 dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	184 total_need = size * maxnum;
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 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: 1769 diff changeset	186 if (!context \|\| context->hidden.win32io.h == INVALID_HANDLE_VALUE
2160 00adbaed3910 Updated to use size_t instead of int for amounts of data. Sam Lantinga <slouken@libsdl.org> parents: 2159 diff changeset	187 \|\| !total_need)
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	188 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: 1769 diff changeset	189
2159 dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	190 if (context->hidden.win32io.buffer.left > 0) {
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	191 void data = (char ) context->hidden.win32io.buffer.data +
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	192 context->hidden.win32io.buffer.size -
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	193 context->hidden.win32io.buffer.left;
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	194 read_ahead = SDL_min(total_need, context->hidden.win32io.buffer.left);
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	195 SDL_memcpy(ptr, data, read_ahead);
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	196 context->hidden.win32io.buffer.left -= read_ahead;
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	197
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	198 if (read_ahead == total_need) {
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	199 return maxnum;
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	200 }
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	201 ptr = (char *) ptr + read_ahead;
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	202 total_need -= read_ahead;
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	203 total_read += read_ahead;
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	204 }
2159 dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	205
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	206 if (total_need < READAHEAD_BUFFER_SIZE) {
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	207 if (!ReadFile
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	208 (context->hidden.win32io.h, context->hidden.win32io.buffer.data,
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	209 READAHEAD_BUFFER_SIZE, &byte_read, NULL)) {
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	210 SDL_Error(SDL_EFREAD);
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	211 return 0;
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	212 }
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	213 read_ahead = SDL_min(total_need, (int) byte_read);
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	214 SDL_memcpy(ptr, context->hidden.win32io.buffer.data, read_ahead);
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	215 context->hidden.win32io.buffer.size = byte_read;
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	216 context->hidden.win32io.buffer.left = byte_read - read_ahead;
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	217 total_read += read_ahead;
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	218 } else {
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	219 if (!ReadFile
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	220 (context->hidden.win32io.h, ptr, total_need, &byte_read, NULL)) {
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	221 SDL_Error(SDL_EFREAD);
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	222 return 0;
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	223 }
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	224 total_read += byte_read;
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	225 }
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	226 return (total_read / size);
1446 47bf1767c4ca Date: Mon, 27 Feb 2006 02:17:29 +0100 Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	227 }
2160 00adbaed3910 Updated to use size_t instead of int for amounts of data. Sam Lantinga <slouken@libsdl.org> parents: 2159 diff changeset	228 static size_t SDLCALL
00adbaed3910 Updated to use size_t instead of int for amounts of data. Sam Lantinga <slouken@libsdl.org> parents: 2159 diff changeset	229 win32_file_write(SDL_RWops * context, const void *ptr, size_t size,
00adbaed3910 Updated to use size_t instead of int for amounts of data. Sam Lantinga <slouken@libsdl.org> parents: 2159 diff changeset	230 size_t num)
1465 8dfa9a6d69a5 Updated WinCE support by Dmitry (with some tweaks) Sam Lantinga <slouken@libsdl.org> parents: 1456 diff changeset	231 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	232
2160 00adbaed3910 Updated to use size_t instead of int for amounts of data. Sam Lantinga <slouken@libsdl.org> parents: 2159 diff changeset	233 size_t total_bytes;
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	234 DWORD byte_written, nwritten;
1446 47bf1767c4ca Date: Mon, 27 Feb 2006 02:17:29 +0100 Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	235
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	236 total_bytes = size * num;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	237
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	238 if (!context \|\| context->hidden.win32io.h == INVALID_HANDLE_VALUE
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	239 \|\| total_bytes <= 0 \|\| !size)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	240 return 0;
1446 47bf1767c4ca Date: Mon, 27 Feb 2006 02:17:29 +0100 Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	241
2159 dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	242 if (context->hidden.win32io.buffer.left) {
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	243 SetFilePointer(context->hidden.win32io.h,
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	244 -context->hidden.win32io.buffer.left, NULL,
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	245 FILE_CURRENT);
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	246 context->hidden.win32io.buffer.left = 0;
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	247 }
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	248
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	249 /* if in append mode, we must go to the EOF before write */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	250 if (context->hidden.win32io.append) {
2159 dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	251 if (SetFilePointer(context->hidden.win32io.h, 0L, NULL, FILE_END) ==
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	252 INVALID_SET_FILE_POINTER) {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	253 SDL_Error(SDL_EFWRITE);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	254 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: 1769 diff changeset	255 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	256 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	257
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	258 if (!WriteFile
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	259 (context->hidden.win32io.h, ptr, total_bytes, &byte_written, NULL)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	260 SDL_Error(SDL_EFWRITE);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	261 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: 1769 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: 1769 diff changeset	263
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	264 nwritten = byte_written / size;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	265 return nwritten;
1446 47bf1767c4ca Date: Mon, 27 Feb 2006 02:17:29 +0100 Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	266 }
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	267 static int SDLCALL
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	268 win32_file_close(SDL_RWops * context)
1465 8dfa9a6d69a5 Updated WinCE support by Dmitry (with some tweaks) Sam Lantinga <slouken@libsdl.org> parents: 1456 diff changeset	269 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	270
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	271 if (context) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	272 if (context->hidden.win32io.h != INVALID_HANDLE_VALUE) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	273 CloseHandle(context->hidden.win32io.h);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	274 context->hidden.win32io.h = INVALID_HANDLE_VALUE; /* to be sure */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	275 }
2159 dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	276 if (context->hidden.win32io.buffer.data) {
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	277 SDL_free(context->hidden.win32io.buffer.data);
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	278 context->hidden.win32io.buffer.data = NULL;
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183 Sam Lantinga <slouken@libsdl.org> parents: 1978 diff changeset	279 }
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	280 SDL_FreeRW(context);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	281 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	282 return (0);
1446 47bf1767c4ca Date: Mon, 27 Feb 2006 02:17:29 +0100 Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	283 }
1447 515df0086eb7 Prefer the raw Win32 API over stdio for file RWops Sam Lantinga <slouken@libsdl.org> parents: 1446 diff changeset	284 #endif /* __WIN32__ */
1446 47bf1767c4ca Date: Mon, 27 Feb 2006 02:17:29 +0100 Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	285
1447 515df0086eb7 Prefer the raw Win32 API over stdio for file RWops Sam Lantinga <slouken@libsdl.org> parents: 1446 diff changeset	286 #ifdef HAVE_STDIO_H
515df0086eb7 Prefer the raw Win32 API over stdio for file RWops Sam Lantinga <slouken@libsdl.org> parents: 1446 diff changeset	287
515df0086eb7 Prefer the raw Win32 API over stdio for file RWops Sam Lantinga <slouken@libsdl.org> parents: 1446 diff changeset	288 /* Functions to read/write stdio file pointers */
515df0086eb7 Prefer the raw Win32 API over stdio for file RWops Sam Lantinga <slouken@libsdl.org> parents: 1446 diff changeset	289
2160 00adbaed3910 Updated to use size_t instead of int for amounts of data. Sam Lantinga <slouken@libsdl.org> parents: 2159 diff changeset	290 static long SDLCALL
00adbaed3910 Updated to use size_t instead of int for amounts of data. Sam Lantinga <slouken@libsdl.org> parents: 2159 diff changeset	291 stdio_seek(SDL_RWops * context, long offset, int whence)
1447 515df0086eb7 Prefer the raw Win32 API over stdio for file RWops Sam Lantinga <slouken@libsdl.org> parents: 1446 diff changeset	292 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	293 if (fseek(context->hidden.stdio.fp, offset, whence) == 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	294 return (ftell(context->hidden.stdio.fp));
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	295 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	296 SDL_Error(SDL_EFSEEK);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	297 return (-1);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	298 }
1447 515df0086eb7 Prefer the raw Win32 API over stdio for file RWops Sam Lantinga <slouken@libsdl.org> parents: 1446 diff changeset	299 }
2160 00adbaed3910 Updated to use size_t instead of int for amounts of data. Sam Lantinga <slouken@libsdl.org> parents: 2159 diff changeset	300 static size_t SDLCALL
00adbaed3910 Updated to use size_t instead of int for amounts of data. Sam Lantinga <slouken@libsdl.org> parents: 2159 diff changeset	301 stdio_read(SDL_RWops * context, void *ptr, size_t size, size_t maxnum)
1447 515df0086eb7 Prefer the raw Win32 API over stdio for file RWops Sam Lantinga <slouken@libsdl.org> parents: 1446 diff changeset	302 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	303 size_t nread;
1446 47bf1767c4ca Date: Mon, 27 Feb 2006 02:17:29 +0100 Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	304
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	305 nread = fread(ptr, size, maxnum, context->hidden.stdio.fp);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	306 if (nread == 0 && ferror(context->hidden.stdio.fp)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	307 SDL_Error(SDL_EFREAD);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	308 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	309 return (nread);
1447 515df0086eb7 Prefer the raw Win32 API over stdio for file RWops Sam Lantinga <slouken@libsdl.org> parents: 1446 diff changeset	310 }
2160 00adbaed3910 Updated to use size_t instead of int for amounts of data. Sam Lantinga <slouken@libsdl.org> parents: 2159 diff changeset	311 static size_t SDLCALL
00adbaed3910 Updated to use size_t instead of int for amounts of data. Sam Lantinga <slouken@libsdl.org> parents: 2159 diff changeset	312 stdio_write(SDL_RWops * context, const void *ptr, size_t size, size_t num)
1447 515df0086eb7 Prefer the raw Win32 API over stdio for file RWops Sam Lantinga <slouken@libsdl.org> parents: 1446 diff changeset	313 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	314 size_t nwrote;
1446 47bf1767c4ca Date: Mon, 27 Feb 2006 02:17:29 +0100 Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	315
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	316 nwrote = fwrite(ptr, size, num, context->hidden.stdio.fp);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	317 if (nwrote == 0 && ferror(context->hidden.stdio.fp)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	318 SDL_Error(SDL_EFWRITE);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	319 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	320 return (nwrote);
1447 515df0086eb7 Prefer the raw Win32 API over stdio for file RWops Sam Lantinga <slouken@libsdl.org> parents: 1446 diff changeset	321 }
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	322 static int SDLCALL
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	323 stdio_close(SDL_RWops * context)
1447 515df0086eb7 Prefer the raw Win32 API over stdio for file RWops Sam Lantinga <slouken@libsdl.org> parents: 1446 diff changeset	324 {
2160 00adbaed3910 Updated to use size_t instead of int for amounts of data. Sam Lantinga <slouken@libsdl.org> parents: 2159 diff changeset	325 int status = 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: 1769 diff changeset	326 if (context) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	327 if (context->hidden.stdio.autoclose) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	328 /* WARNING: Check the return value here! */
2160 00adbaed3910 Updated to use size_t instead of int for amounts of data. Sam Lantinga <slouken@libsdl.org> parents: 2159 diff changeset	329 if (fclose(context->hidden.stdio.fp) != 0) {
00adbaed3910 Updated to use size_t instead of int for amounts of data. Sam Lantinga <slouken@libsdl.org> parents: 2159 diff changeset	330 SDL_Error(SDL_EFWRITE);
00adbaed3910 Updated to use size_t instead of int for amounts of data. Sam Lantinga <slouken@libsdl.org> parents: 2159 diff changeset	331 status = -1;
00adbaed3910 Updated to use size_t instead of int for amounts of data. Sam Lantinga <slouken@libsdl.org> parents: 2159 diff changeset	332 }
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	333 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	334 SDL_FreeRW(context);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	335 }
2160 00adbaed3910 Updated to use size_t instead of int for amounts of data. Sam Lantinga <slouken@libsdl.org> parents: 2159 diff changeset	336 return status;
1447 515df0086eb7 Prefer the raw Win32 API over stdio for file RWops Sam Lantinga <slouken@libsdl.org> parents: 1446 diff changeset	337 }
1446 47bf1767c4ca Date: Mon, 27 Feb 2006 02:17:29 +0100 Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	338 #endif /* !HAVE_STDIO_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	339
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	340 /* Functions to read/write memory pointers */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	341
2160 00adbaed3910 Updated to use size_t instead of int for amounts of data. Sam Lantinga <slouken@libsdl.org> parents: 2159 diff changeset	342 static long SDLCALL
00adbaed3910 Updated to use size_t instead of int for amounts of data. Sam Lantinga <slouken@libsdl.org> parents: 2159 diff changeset	343 mem_seek(SDL_RWops * context, long offset, int whence)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	344 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	345 Uint8 *newpos;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	346
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	347 switch (whence) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	348 case RW_SEEK_SET:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	349 newpos = context->hidden.mem.base + offset;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	350 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	351 case RW_SEEK_CUR:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	352 newpos = context->hidden.mem.here + offset;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	353 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	354 case RW_SEEK_END:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	355 newpos = context->hidden.mem.stop + offset;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	356 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	357 default:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	358 SDL_SetError("Unknown value for 'whence'");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	359 return (-1);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	360 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	361 if (newpos < context->hidden.mem.base) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	362 newpos = context->hidden.mem.base;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	363 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	364 if (newpos > context->hidden.mem.stop) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	365 newpos = context->hidden.mem.stop;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	366 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	367 context->hidden.mem.here = newpos;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	368 return (context->hidden.mem.here - context->hidden.mem.base);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	369 }
2160 00adbaed3910 Updated to use size_t instead of int for amounts of data. Sam Lantinga <slouken@libsdl.org> parents: 2159 diff changeset	370 static size_t SDLCALL
00adbaed3910 Updated to use size_t instead of int for amounts of data. Sam Lantinga <slouken@libsdl.org> parents: 2159 diff changeset	371 mem_read(SDL_RWops * context, void *ptr, size_t size, size_t maxnum)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	372 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	373 size_t total_bytes;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	374 size_t mem_available;
1078 e2ef6b7001fd Patch from Antonio SJ Musumeci: Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	375
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	376 total_bytes = (maxnum * size);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	377 if ((maxnum <= 0) \|\| (size <= 0)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	378 \|\| ((total_bytes / maxnum) != (size_t) size)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	379 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: 1769 diff changeset	380 }
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	381
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	382 mem_available = (context->hidden.mem.stop - context->hidden.mem.here);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	383 if (total_bytes > mem_available) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	384 total_bytes = mem_available;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	385 }
1078 e2ef6b7001fd Patch from Antonio SJ Musumeci: Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	386
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	387 SDL_memcpy(ptr, context->hidden.mem.here, total_bytes);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	388 context->hidden.mem.here += total_bytes;
1078 e2ef6b7001fd Patch from Antonio SJ Musumeci: Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	389
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	390 return (total_bytes / size);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	391 }
2160 00adbaed3910 Updated to use size_t instead of int for amounts of data. Sam Lantinga <slouken@libsdl.org> parents: 2159 diff changeset	392 static size_t SDLCALL
00adbaed3910 Updated to use size_t instead of int for amounts of data. Sam Lantinga <slouken@libsdl.org> parents: 2159 diff changeset	393 mem_write(SDL_RWops * context, const void *ptr, size_t size, size_t num)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	394 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	395 if ((context->hidden.mem.here + (num * size)) > context->hidden.mem.stop) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	396 num = (context->hidden.mem.stop - context->hidden.mem.here) / size;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	397 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	398 SDL_memcpy(context->hidden.mem.here, ptr, num * size);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	399 context->hidden.mem.here += num * size;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	400 return (num);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	401 }
2160 00adbaed3910 Updated to use size_t instead of int for amounts of data. Sam Lantinga <slouken@libsdl.org> parents: 2159 diff changeset	402 static size_t SDLCALL
00adbaed3910 Updated to use size_t instead of int for amounts of data. Sam Lantinga <slouken@libsdl.org> parents: 2159 diff changeset	403 mem_writeconst(SDL_RWops * context, const void *ptr, size_t size, size_t num)
764 974c0fb74bf8 Added function to create RWops from const memory: SDL_RWFromConstMem() Sam Lantinga <slouken@libsdl.org> parents: 543 diff changeset	404 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	405 SDL_SetError("Can't write to read-only memory");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	406 return (-1);
764 974c0fb74bf8 Added function to create RWops from const memory: SDL_RWFromConstMem() Sam Lantinga <slouken@libsdl.org> parents: 543 diff changeset	407 }
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	408 static int SDLCALL
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	409 mem_close(SDL_RWops * context)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	410 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	411 if (context) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	412 SDL_FreeRW(context);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	413 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	414 return (0);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	415 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	416
1447 515df0086eb7 Prefer the raw Win32 API over stdio for file RWops Sam Lantinga <slouken@libsdl.org> parents: 1446 diff changeset	417
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	418 /* Functions to create SDL_RWops structures from various data sources */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	419
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	420 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: 1769 diff changeset	421 SDL_RWFromFile(const char file, const char mode)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	422 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	423 SDL_RWops *rwops = NULL;
1465 8dfa9a6d69a5 Updated WinCE support by Dmitry (with some tweaks) Sam Lantinga <slouken@libsdl.org> parents: 1456 diff changeset	424 #ifdef HAVE_STDIO_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: 1769 diff changeset	425 FILE *fp = NULL;
1465 8dfa9a6d69a5 Updated WinCE support by Dmitry (with some tweaks) Sam Lantinga <slouken@libsdl.org> parents: 1456 diff changeset	426 #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: 1769 diff changeset	427 if (!file \|\| !file \|\| !mode \|\| !mode) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	428 SDL_SetError("SDL_RWFromFile(): No file or no mode specified");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	429 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: 1769 diff changeset	430 }
1465 8dfa9a6d69a5 Updated WinCE support by Dmitry (with some tweaks) Sam Lantinga <slouken@libsdl.org> parents: 1456 diff changeset	431 #if defined(__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: 1769 diff changeset	432 rwops = SDL_AllocRW();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	433 if (!rwops)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	434 return NULL; /* SDL_SetError already setup by SDL_AllocRW() */
2164 d083a2e4433d Merged memory leak fix from SDL 1.2 Sam Lantinga <slouken@libsdl.org> parents: 2161 diff changeset	435 if (win32_file_open(rwops, file, mode) < 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: 1769 diff changeset	436 SDL_FreeRW(rwops);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	437 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: 1769 diff changeset	438 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	439 rwops->seek = win32_file_seek;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	440 rwops->read = win32_file_read;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	441 rwops->write = win32_file_write;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	442 rwops->close = win32_file_close;
1447 515df0086eb7 Prefer the raw Win32 API over stdio for file RWops Sam Lantinga <slouken@libsdl.org> parents: 1446 diff changeset	443
515df0086eb7 Prefer the raw Win32 API over stdio for file RWops Sam Lantinga <slouken@libsdl.org> parents: 1446 diff changeset	444 #elif HAVE_STDIO_H
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	445
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	446 fp = fopen(file, mode);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	447 if (fp == NULL) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	448 SDL_SetError("Couldn't open %s", file);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	449 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	450 rwops = SDL_RWFromFP(fp, 1);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	451 }
1447 515df0086eb7 Prefer the raw Win32 API over stdio for file RWops Sam Lantinga <slouken@libsdl.org> parents: 1446 diff changeset	452 #else
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	453 SDL_SetError("SDL not compiled with stdio support");
1446 47bf1767c4ca Date: Mon, 27 Feb 2006 02:17:29 +0100 Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	454 #endif /* !HAVE_STDIO_H */
1447 515df0086eb7 Prefer the raw Win32 API over stdio for file RWops Sam Lantinga <slouken@libsdl.org> parents: 1446 diff changeset	455
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	456 return (rwops);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	457 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	458
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	459 #ifdef HAVE_STDIO_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: 1769 diff changeset	460 SDL_RWops *
2161 e635db5b45ef Oh yeah, they're boolean values... Sam Lantinga <slouken@libsdl.org> parents: 2160 diff changeset	461 SDL_RWFromFP(FILE * fp, SDL_bool autoclose)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	462 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	463 SDL_RWops *rwops = NULL;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	464
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	465 rwops = SDL_AllocRW();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	466 if (rwops != NULL) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	467 rwops->seek = stdio_seek;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	468 rwops->read = stdio_read;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	469 rwops->write = stdio_write;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	470 rwops->close = stdio_close;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	471 rwops->hidden.stdio.fp = fp;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	472 rwops->hidden.stdio.autoclose = autoclose;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 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: 1769 diff changeset	474 return (rwops);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	475 }
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	476 #endif /* HAVE_STDIO_H */
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	477
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	478 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: 1769 diff changeset	479 SDL_RWFromMem(void *mem, int size)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	480 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	481 SDL_RWops *rwops;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	482
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	483 rwops = SDL_AllocRW();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	484 if (rwops != NULL) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	485 rwops->seek = mem_seek;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	486 rwops->read = mem_read;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	487 rwops->write = mem_write;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	488 rwops->close = mem_close;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	489 rwops->hidden.mem.base = (Uint8 *) mem;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	490 rwops->hidden.mem.here = rwops->hidden.mem.base;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	491 rwops->hidden.mem.stop = rwops->hidden.mem.base + size;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	492 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	493 return (rwops);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	494 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	495
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	496 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: 1769 diff changeset	497 SDL_RWFromConstMem(const void *mem, int size)
764 974c0fb74bf8 Added function to create RWops from const memory: SDL_RWFromConstMem() Sam Lantinga <slouken@libsdl.org> parents: 543 diff changeset	498 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	499 SDL_RWops *rwops;
764 974c0fb74bf8 Added function to create RWops from const memory: SDL_RWFromConstMem() Sam Lantinga <slouken@libsdl.org> parents: 543 diff changeset	500
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	501 rwops = SDL_AllocRW();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	502 if (rwops != NULL) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	503 rwops->seek = mem_seek;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	504 rwops->read = mem_read;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	505 rwops->write = mem_writeconst;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	506 rwops->close = mem_close;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	507 rwops->hidden.mem.base = (Uint8 *) mem;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	508 rwops->hidden.mem.here = rwops->hidden.mem.base;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	509 rwops->hidden.mem.stop = rwops->hidden.mem.base + size;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	510 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	511 return (rwops);
764 974c0fb74bf8 Added function to create RWops from const memory: SDL_RWFromConstMem() Sam Lantinga <slouken@libsdl.org> parents: 543 diff changeset	512 }
974c0fb74bf8 Added function to create RWops from const memory: SDL_RWFromConstMem() Sam Lantinga <slouken@libsdl.org> parents: 543 diff changeset	513
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	514 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: 1769 diff changeset	515 SDL_AllocRW(void)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	516 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	517 SDL_RWops *area;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	518
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	519 area = (SDL_RWops ) SDL_malloc(sizeof area);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	520 if (area == NULL) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	521 SDL_OutOfMemory();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	522 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	523 return (area);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	524 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	525
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	526 void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	527 SDL_FreeRW(SDL_RWops * area)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	528 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	529 SDL_free(area);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	530 }
1354 22f39393668a Fixed build problem with SDL_string.c Sam Lantinga <slouken@libsdl.org> parents: 1338 diff changeset	531
22f39393668a Fixed build problem with SDL_string.c Sam Lantinga <slouken@libsdl.org> parents: 1338 diff changeset	532 /* Functions for dynamically reading and writing endian-specific values */
22f39393668a Fixed build problem with SDL_string.c Sam Lantinga <slouken@libsdl.org> parents: 1338 diff changeset	533
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	534 Uint16
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	535 SDL_ReadLE16(SDL_RWops * src)
1354 22f39393668a Fixed build problem with SDL_string.c Sam Lantinga <slouken@libsdl.org> parents: 1338 diff changeset	536 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	537 Uint16 value;
1354 22f39393668a Fixed build problem with SDL_string.c Sam Lantinga <slouken@libsdl.org> parents: 1338 diff changeset	538
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	539 SDL_RWread(src, &value, (sizeof value), 1);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	540 return (SDL_SwapLE16(value));
1354 22f39393668a Fixed build problem with SDL_string.c Sam Lantinga <slouken@libsdl.org> parents: 1338 diff changeset	541 }
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	542
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	543 Uint16
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	544 SDL_ReadBE16(SDL_RWops * src)
1354 22f39393668a Fixed build problem with SDL_string.c Sam Lantinga <slouken@libsdl.org> parents: 1338 diff changeset	545 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	546 Uint16 value;
1354 22f39393668a Fixed build problem with SDL_string.c Sam Lantinga <slouken@libsdl.org> parents: 1338 diff changeset	547
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	548 SDL_RWread(src, &value, (sizeof value), 1);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	549 return (SDL_SwapBE16(value));
1354 22f39393668a Fixed build problem with SDL_string.c Sam Lantinga <slouken@libsdl.org> parents: 1338 diff changeset	550 }
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	551
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	552 Uint32
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	553 SDL_ReadLE32(SDL_RWops * src)
1354 22f39393668a Fixed build problem with SDL_string.c Sam Lantinga <slouken@libsdl.org> parents: 1338 diff changeset	554 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	555 Uint32 value;
1354 22f39393668a Fixed build problem with SDL_string.c Sam Lantinga <slouken@libsdl.org> parents: 1338 diff changeset	556
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	557 SDL_RWread(src, &value, (sizeof value), 1);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	558 return (SDL_SwapLE32(value));
1354 22f39393668a Fixed build problem with SDL_string.c Sam Lantinga <slouken@libsdl.org> parents: 1338 diff changeset	559 }
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	560
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	561 Uint32
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	562 SDL_ReadBE32(SDL_RWops * src)
1354 22f39393668a Fixed build problem with SDL_string.c Sam Lantinga <slouken@libsdl.org> parents: 1338 diff changeset	563 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	564 Uint32 value;
1354 22f39393668a Fixed build problem with SDL_string.c Sam Lantinga <slouken@libsdl.org> parents: 1338 diff changeset	565
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	566 SDL_RWread(src, &value, (sizeof value), 1);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	567 return (SDL_SwapBE32(value));
1354 22f39393668a Fixed build problem with SDL_string.c Sam Lantinga <slouken@libsdl.org> parents: 1338 diff changeset	568 }
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	569
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	570 Uint64
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	571 SDL_ReadLE64(SDL_RWops * src)
1354 22f39393668a Fixed build problem with SDL_string.c Sam Lantinga <slouken@libsdl.org> parents: 1338 diff changeset	572 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	573 Uint64 value;
1354 22f39393668a Fixed build problem with SDL_string.c Sam Lantinga <slouken@libsdl.org> parents: 1338 diff changeset	574
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	575 SDL_RWread(src, &value, (sizeof value), 1);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	576 return (SDL_SwapLE64(value));
1354 22f39393668a Fixed build problem with SDL_string.c Sam Lantinga <slouken@libsdl.org> parents: 1338 diff changeset	577 }
22f39393668a Fixed build problem with SDL_string.c Sam Lantinga <slouken@libsdl.org> parents: 1338 diff changeset	578
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	579 Uint64
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	580 SDL_ReadBE64(SDL_RWops * src)
1354 22f39393668a Fixed build problem with SDL_string.c Sam Lantinga <slouken@libsdl.org> parents: 1338 diff changeset	581 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	582 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: 1769 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: 1769 diff changeset	584 SDL_RWread(src, &value, (sizeof value), 1);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	585 return (SDL_SwapBE64(value));
1354 22f39393668a Fixed build problem with SDL_string.c Sam Lantinga <slouken@libsdl.org> parents: 1338 diff changeset	586 }
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	587
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	588 int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	589 SDL_WriteLE16(SDL_RWops * dst, Uint16 value)
1354 22f39393668a Fixed build problem with SDL_string.c Sam Lantinga <slouken@libsdl.org> parents: 1338 diff changeset	590 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	591 value = SDL_SwapLE16(value);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	592 return (SDL_RWwrite(dst, &value, (sizeof value), 1));
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 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: 1769 diff changeset	594
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	595 int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	596 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: 1769 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: 1769 diff changeset	598 value = SDL_SwapBE16(value);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	599 return (SDL_RWwrite(dst, &value, (sizeof value), 1));
1354 22f39393668a Fixed build problem with SDL_string.c Sam Lantinga <slouken@libsdl.org> parents: 1338 diff changeset	600 }
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	601
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	602 int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	603 SDL_WriteLE32(SDL_RWops * dst, Uint32 value)
1354 22f39393668a Fixed build problem with SDL_string.c Sam Lantinga <slouken@libsdl.org> parents: 1338 diff changeset	604 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	605 value = SDL_SwapLE32(value);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	606 return (SDL_RWwrite(dst, &value, (sizeof value), 1));
1354 22f39393668a Fixed build problem with SDL_string.c Sam Lantinga <slouken@libsdl.org> parents: 1338 diff changeset	607 }
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	608
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	609 int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	610 SDL_WriteBE32(SDL_RWops * dst, Uint32 value)
1354 22f39393668a Fixed build problem with SDL_string.c Sam Lantinga <slouken@libsdl.org> parents: 1338 diff changeset	611 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	612 value = SDL_SwapBE32(value);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	613 return (SDL_RWwrite(dst, &value, (sizeof value), 1));
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	614 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	615
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	616 int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	617 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: 1769 diff changeset	618 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	619 value = SDL_SwapLE64(value);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	620 return (SDL_RWwrite(dst, &value, (sizeof value), 1));
1354 22f39393668a Fixed build problem with SDL_string.c Sam Lantinga <slouken@libsdl.org> parents: 1338 diff changeset	621 }
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	622
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	623 int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	624 SDL_WriteBE64(SDL_RWops * dst, Uint64 value)
1354 22f39393668a Fixed build problem with SDL_string.c Sam Lantinga <slouken@libsdl.org> parents: 1338 diff changeset	625 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	626 value = SDL_SwapBE64(value);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	627 return (SDL_RWwrite(dst, &value, (sizeof value), 1));
1354 22f39393668a Fixed build problem with SDL_string.c Sam Lantinga <slouken@libsdl.org> parents: 1338 diff changeset	628 }
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	629
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	630 /* vi: set ts=4 sw=4 expandtab: */

Mercurial > sdl-ios-xcode

annotate src/file/SDL_rwops.c @ 2165:c2ffcc627701