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annotate src/file/SDL_rwops.c @ 2735:204be4fc2726

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Final merge of Google Summer of Code 2008 work... Port SDL 1.3 to the Nintendo DS by Darren Alton, mentored by Sam Lantinga
author Sam Lantinga <slouken@libsdl.org>
date Wed, 27 Aug 2008 15:10:03 +0000
parents 2032348afed1
children 99210400e8b9
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2006 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Lesser General Public License for more details.
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14
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15 You should have received a copy of the GNU Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22 #include "SDL_config.h"
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23
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24 /* This file provides a general interface for SDL to read and write
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25 data sources. It can easily be extended to files, memory, etc.
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26 */
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27
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28 #include "SDL_endian.h"
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29 #include "SDL_rwops.h"
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30
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31 #ifdef __NDS__
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32 /* include libfat headers for fatInitDefault(). */
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33 #include <fat.h>
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34 #endif /* __NDS__ */
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35
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36 #ifdef __WIN32__
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37
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38 /* Functions to read/write Win32 API file pointers */
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39 /* Will not use it on WinCE because stdio is buffered, it means
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40 faster, and all stdio functions anyway are embedded in coredll.dll -
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41 the main wince dll*/
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42
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43 #define WINDOWS_LEAN_AND_MEAN
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44 #include <windows.h>
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45
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46 #ifndef INVALID_SET_FILE_POINTER
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47 #define INVALID_SET_FILE_POINTER 0xFFFFFFFF
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48 #endif
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49
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50 #define READAHEAD_BUFFER_SIZE 1024
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51
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52 static int SDLCALL
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53 win32_file_open(SDL_RWops * context, const char *filename, const char *mode)
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54 {
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55 #ifndef _WIN32_WCE
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56 UINT old_error_mode;
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57 #endif
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58 HANDLE h;
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59 DWORD r_right, w_right;
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60 DWORD must_exist, truncate;
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61 int a_mode;
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62
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63 if (!context)
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64 return -1; /* failed (invalid call) */
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65
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66 context->hidden.win32io.h = INVALID_HANDLE_VALUE; /* mark this as unusable */
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67 context->hidden.win32io.buffer.data = NULL;
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68 context->hidden.win32io.buffer.size = 0;
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69 context->hidden.win32io.buffer.left = 0;
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70
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71 /* "r" = reading, file must exist */
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72 /* "w" = writing, truncate existing, file may not exist */
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73 /* "r+"= reading or writing, file must exist */
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74 /* "a" = writing, append file may not exist */
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75 /* "a+"= append + read, file may not exist */
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76 /* "w+" = read, write, truncate. file may not exist */
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77
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78 must_exist = (SDL_strchr(mode, 'r') != NULL) ? OPEN_EXISTING : 0;
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79 truncate = (SDL_strchr(mode, 'w') != NULL) ? CREATE_ALWAYS : 0;
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80 r_right = (SDL_strchr(mode, '+') != NULL
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81 || must_exist) ? GENERIC_READ : 0;
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82 a_mode = (SDL_strchr(mode, 'a') != NULL) ? OPEN_ALWAYS : 0;
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83 w_right = (a_mode || SDL_strchr(mode, '+')
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84 || truncate) ? GENERIC_WRITE : 0;
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85
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86 if (!r_right && !w_right) /* inconsistent mode */
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87 return -1; /* failed (invalid call) */
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88
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89 context->hidden.win32io.buffer.data =
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90 (char *) SDL_malloc(READAHEAD_BUFFER_SIZE);
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91 if (!context->hidden.win32io.buffer.data) {
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92 SDL_OutOfMemory();
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93 return -1;
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94 }
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95 #ifdef _WIN32_WCE
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96 {
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97 size_t size = SDL_strlen(filename) + 1;
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98 wchar_t *filenameW = SDL_stack_alloc(wchar_t, size);
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99
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100 if (MultiByteToWideChar(CP_UTF8, 0, filename, -1, filenameW, size) ==
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101 0) {
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102 SDL_stack_free(filenameW);
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103 SDL_free(context->hidden.win32io.buffer.data);
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104 context->hidden.win32io.buffer.data = NULL;
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105 SDL_SetError("Unable to convert filename to Unicode");
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106 return -1;
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107 }
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108 h = CreateFile(filenameW, (w_right | r_right),
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109 (w_right) ? 0 : FILE_SHARE_READ, NULL,
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110 (must_exist | truncate | a_mode),
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111 FILE_ATTRIBUTE_NORMAL, NULL);
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112 SDL_stack_free(filenameW);
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113 }
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114 #else
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115 /* Do not open a dialog box if failure */
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116 old_error_mode =
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117 SetErrorMode(SEM_NOOPENFILEERRORBOX | SEM_FAILCRITICALERRORS);
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118
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119 h = CreateFile(filename, (w_right | r_right),
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120 (w_right) ? 0 : FILE_SHARE_READ, NULL,
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121 (must_exist | truncate | a_mode), FILE_ATTRIBUTE_NORMAL,
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122 NULL);
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123
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124 /* restore old behaviour */
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diff changeset
125 SetErrorMode(old_error_mode);
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parents: 1456
diff changeset
126 #endif /* _WIN32_WCE */
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parents: 1402
diff changeset
127
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parents: 1769
diff changeset
128 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
129 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
130 context->hidden.win32io.buffer.data = NULL;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
131 SDL_SetError("Couldn't open %s", filename);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1769
diff changeset
132 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
133 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
134 context->hidden.win32io.h = h;
2161
e635db5b45ef Oh yeah, they're boolean values...
Sam Lantinga <slouken@libsdl.org>
parents: 2160
diff changeset
135 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.
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parents: 1769
diff changeset
136
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
137 return 0; /* ok */
1446
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Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
138 }
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diff changeset
139
2160
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
140 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
141 win32_file_seek(SDL_RWops * context, long offset, int whence)
1465
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parents: 1456
diff changeset
142 {
1895
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parents: 1769
diff changeset
143 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
144 long file_pos;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
145
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1769
diff changeset
146 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
147 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
148 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
149 }
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parents: 1402
diff changeset
150
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
151 /* 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
152 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
153 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
154 }
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
155 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
156
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c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1769
diff changeset
157 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
158 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
159 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
160 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
161 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
162 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
163 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
164 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
165 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
166 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
167 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
168 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
169 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
170 }
c121d94672cb SDL 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
c121d94672cb SDL 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 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
173 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
174
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
175 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
176 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
177
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
178 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
179 return -1; /* error */
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parents: 1402
diff changeset
180 }
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diff changeset
181
2160
00adbaed3910 Updated to use size_t instead of int for amounts of data.
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parents: 2159
diff changeset
182 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
183 win32_file_read(SDL_RWops * context, void *ptr, size_t size, size_t maxnum)
1465
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Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
184 {
2160
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diff changeset
185 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
186 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
187 size_t read_ahead;
2159
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183
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parents: 1978
diff changeset
188 DWORD byte_read;
1895
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diff changeset
189
2159
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parents: 1978
diff changeset
190 total_need = size * maxnum;
1895
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diff changeset
191
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
192 if (!context || context->hidden.win32io.h == INVALID_HANDLE_VALUE
2160
00adbaed3910 Updated to use size_t instead of int for amounts of data.
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parents: 2159
diff changeset
193 || !total_need)
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1769
diff changeset
194 return 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1769
diff changeset
195
2159
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183
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parents: 1978
diff changeset
196 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
197 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
198 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
199 context->hidden.win32io.buffer.left;
2185
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
Bob Pendleton <bob@pendleton.com>
parents: 2179
diff changeset
200 read_ahead =
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
Bob Pendleton <bob@pendleton.com>
parents: 2179
diff changeset
201 SDL_min(total_need, (size_t) context->hidden.win32io.buffer.left);
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
202 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
203 context->hidden.win32io.buffer.left -= read_ahead;
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183
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parents: 1978
diff changeset
204
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 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
206 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
207 }
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 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
209 total_need -= read_ahead;
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183
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parents: 1978
diff changeset
210 total_read += read_ahead;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1769
diff changeset
211 }
2159
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183
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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 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
214 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
215 (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
216 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
217 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
218 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
219 }
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 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
221 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
222 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
223 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
224 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
225 } 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
226 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
227 (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
228 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
229 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
230 }
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
231 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
232 }
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
233 return (total_read / size);
1446
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Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
234 }
2735
204be4fc2726 Final merge of Google Summer of Code 2008 work...
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diff changeset
235
2160
00adbaed3910 Updated to use size_t instead of int for amounts of data.
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parents: 2159
diff changeset
236 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
237 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
238 size_t num)
1465
8dfa9a6d69a5 Updated WinCE support by Dmitry (with some tweaks)
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
239 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1769
diff changeset
240
2160
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parents: 2159
diff changeset
241 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
242 DWORD byte_written, nwritten;
1446
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Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
243
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1769
diff changeset
244 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
245
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
246 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.
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parents: 1769
diff changeset
247 || 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
248 return 0;
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parents: 1402
diff changeset
249
2159
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183
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parents: 1978
diff changeset
250 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
251 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
252 -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
253 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
254 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
255 }
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
256
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
257 /* 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
258 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
259 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
260 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
261 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
262 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
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 }
c121d94672cb SDL 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
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
266 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
267 (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
268 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
269 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
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
c121d94672cb SDL 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 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
273 return nwritten;
1446
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parents: 1402
diff changeset
274 }
2735
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275
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
276 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
277 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
278 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1769
diff changeset
279
c121d94672cb SDL 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 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
281 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
282 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
283 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
284 }
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
285 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
286 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
287 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
288 }
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
289 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
290 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
291 return (0);
1446
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Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
292 }
1447
515df0086eb7 Prefer the raw Win32 API over stdio for file RWops
Sam Lantinga <slouken@libsdl.org>
parents: 1446
diff changeset
293 #endif /* __WIN32__ */
1446
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parents: 1402
diff changeset
294
1447
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parents: 1446
diff changeset
295 #ifdef HAVE_STDIO_H
515df0086eb7 Prefer the raw Win32 API over stdio for file RWops
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parents: 1446
diff changeset
296
515df0086eb7 Prefer the raw Win32 API over stdio for file RWops
Sam Lantinga <slouken@libsdl.org>
parents: 1446
diff changeset
297 /* Functions to read/write stdio file pointers */
515df0086eb7 Prefer the raw Win32 API over stdio for file RWops
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parents: 1446
diff changeset
298
2160
00adbaed3910 Updated to use size_t instead of int for amounts of data.
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diff changeset
299 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
300 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
301 {
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
302 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
303 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
304 } 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
305 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
306 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
307 }
1447
515df0086eb7 Prefer the raw Win32 API over stdio for file RWops
Sam Lantinga <slouken@libsdl.org>
parents: 1446
diff changeset
308 }
2735
204be4fc2726 Final merge of Google Summer of Code 2008 work...
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parents: 2185
diff changeset
309
2160
00adbaed3910 Updated to use size_t instead of int for amounts of data.
Sam Lantinga <slouken@libsdl.org>
parents: 2159
diff changeset
310 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
311 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
312 {
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
313 size_t nread;
1446
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Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
314
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
315 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
316 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
317 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
318 }
c121d94672cb SDL 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 return (nread);
1447
515df0086eb7 Prefer the raw Win32 API over stdio for file RWops
Sam Lantinga <slouken@libsdl.org>
parents: 1446
diff changeset
320 }
2735
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents: 2185
diff changeset
321
2160
00adbaed3910 Updated to use size_t instead of int for amounts of data.
Sam Lantinga <slouken@libsdl.org>
parents: 2159
diff changeset
322 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
323 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
324 {
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
325 size_t nwrote;
1446
47bf1767c4ca Date: Mon, 27 Feb 2006 02:17:29 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
326
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
327 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
328 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
329 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
330 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
331 return (nwrote);
1447
515df0086eb7 Prefer the raw Win32 API over stdio for file RWops
Sam Lantinga <slouken@libsdl.org>
parents: 1446
diff changeset
332 }
2735
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents: 2185
diff changeset
333
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
334 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
335 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
336 {
2160
00adbaed3910 Updated to use size_t instead of int for amounts of data.
Sam Lantinga <slouken@libsdl.org>
parents: 2159
diff changeset
337 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
338 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
339 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
340 /* 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
341 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
342 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
343 status = -1;
00adbaed3910 Updated to use size_t instead of int for amounts of data.
Sam Lantinga <slouken@libsdl.org>
parents: 2159
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 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
346 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
347 }
2160
00adbaed3910 Updated to use size_t instead of int for amounts of data.
Sam Lantinga <slouken@libsdl.org>
parents: 2159
diff changeset
348 return status;
1447
515df0086eb7 Prefer the raw Win32 API over stdio for file RWops
Sam Lantinga <slouken@libsdl.org>
parents: 1446
diff changeset
349 }
1446
47bf1767c4ca Date: Mon, 27 Feb 2006 02:17:29 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
350 #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
351
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
352 /* Functions to read/write memory pointers */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
353
2160
00adbaed3910 Updated to use size_t instead of int for amounts of data.
Sam Lantinga <slouken@libsdl.org>
parents: 2159
diff changeset
354 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
355 mem_seek(SDL_RWops * context, long offset, int whence)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
356 {
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
357 Uint8 *newpos;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
358
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
359 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
360 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
361 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
362 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
363 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
364 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
365 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
366 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
367 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
368 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
369 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
370 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
371 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
372 }
c121d94672cb SDL 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 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
374 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
375 }
c121d94672cb SDL 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 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
377 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
378 }
c121d94672cb SDL 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 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
380 return (context->hidden.mem.here - context->hidden.mem.base);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
381 }
2735
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents: 2185
diff changeset
382
2160
00adbaed3910 Updated to use size_t instead of int for amounts of data.
Sam Lantinga <slouken@libsdl.org>
parents: 2159
diff changeset
383 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
384 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
385 {
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
386 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
387 size_t mem_available;
1078
e2ef6b7001fd Patch from Antonio SJ Musumeci:
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
388
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
389 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
390 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
391 || ((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
392 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
393 }
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 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
396 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
397 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
398 }
1078
e2ef6b7001fd Patch from Antonio SJ Musumeci:
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
399
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
400 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
401 context->hidden.mem.here += total_bytes;
1078
e2ef6b7001fd Patch from Antonio SJ Musumeci:
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
402
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
403 return (total_bytes / size);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
404 }
2735
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents: 2185
diff changeset
405
2160
00adbaed3910 Updated to use size_t instead of int for amounts of data.
Sam Lantinga <slouken@libsdl.org>
parents: 2159
diff changeset
406 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
407 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
408 {
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
409 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
410 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
411 }
c121d94672cb SDL 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_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
413 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
414 return (num);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
415 }
2735
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents: 2185
diff changeset
416
2160
00adbaed3910 Updated to use size_t instead of int for amounts of data.
Sam Lantinga <slouken@libsdl.org>
parents: 2159
diff changeset
417 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
418 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
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_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
421 return (-1);
764
974c0fb74bf8 Added function to create RWops from const memory: SDL_RWFromConstMem()
Sam Lantinga <slouken@libsdl.org>
parents: 543
diff changeset
422 }
2735
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents: 2185
diff changeset
423
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
424 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
425 mem_close(SDL_RWops * context)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
426 {
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 (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
428 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
429 }
c121d94672cb SDL 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 return (0);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
431 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
432
1447
515df0086eb7 Prefer the raw Win32 API over stdio for file RWops
Sam Lantinga <slouken@libsdl.org>
parents: 1446
diff changeset
433
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
434 /* Functions to create SDL_RWops structures from various data sources */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
435
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_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 SDL_RWFromFile(const char *file, const char *mode)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
438 {
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
439 SDL_RWops *rwops = NULL;
1465
8dfa9a6d69a5 Updated WinCE support by Dmitry (with some tweaks)
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
440 #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
441 FILE *fp = NULL;
1465
8dfa9a6d69a5 Updated WinCE support by Dmitry (with some tweaks)
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
442 #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
443 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
444 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
445 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
446 }
1465
8dfa9a6d69a5 Updated WinCE support by Dmitry (with some tweaks)
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
447 #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
448 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
449 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
450 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
451 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
452 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
453 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
454 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
455 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
456 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
457 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
458 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
459
515df0086eb7 Prefer the raw Win32 API over stdio for file RWops
Sam Lantinga <slouken@libsdl.org>
parents: 1446
diff changeset
460 #elif HAVE_STDIO_H
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
461
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
462 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
463 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
464 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
465 } 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
466 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
467 }
1447
515df0086eb7 Prefer the raw Win32 API over stdio for file RWops
Sam Lantinga <slouken@libsdl.org>
parents: 1446
diff changeset
468 #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
469 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
470 #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
471
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
472 return (rwops);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
473 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
474
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
475 #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
476 SDL_RWops *
2161
e635db5b45ef Oh yeah, they're boolean values...
Sam Lantinga <slouken@libsdl.org>
parents: 2160
diff changeset
477 SDL_RWFromFP(FILE * fp, SDL_bool autoclose)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
478 {
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
479 SDL_RWops *rwops = NULL;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
480
2735
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents: 2185
diff changeset
481 #if 0
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents: 2185
diff changeset
482 /*#ifdef __NDS__*/
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents: 2185
diff changeset
483 /* set it up so we can use stdio file function */
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents: 2185
diff changeset
484 fatInitDefault();
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents: 2185
diff changeset
485 printf("called fatInitDefault()");
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents: 2185
diff changeset
486 #endif /* __NDS__ */
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents: 2185
diff changeset
487
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
488 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
489 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
490 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
491 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
492 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
493 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
494 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
495 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
496 }
c121d94672cb SDL 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 return (rwops);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
498 }
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
499 #endif /* HAVE_STDIO_H */
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
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 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
502 SDL_RWFromMem(void *mem, int size)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
503 {
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
504 SDL_RWops *rwops;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
505
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
506 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
507 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
508 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
509 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
510 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
511 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
512 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
513 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
514 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
515 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
516 return (rwops);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
517 }
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 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
520 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
521 {
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
522 SDL_RWops *rwops;
764
974c0fb74bf8 Added function to create RWops from const memory: SDL_RWFromConstMem()
Sam Lantinga <slouken@libsdl.org>
parents: 543
diff changeset
523
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
524 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
525 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
526 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
527 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
528 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
529 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
530 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
531 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
532 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
533 }
c121d94672cb SDL 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 return (rwops);
764
974c0fb74bf8 Added function to create RWops from const memory: SDL_RWFromConstMem()
Sam Lantinga <slouken@libsdl.org>
parents: 543
diff changeset
535 }
974c0fb74bf8 Added function to create RWops from const memory: SDL_RWFromConstMem()
Sam Lantinga <slouken@libsdl.org>
parents: 543
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 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
538 SDL_AllocRW(void)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
539 {
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
540 SDL_RWops *area;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
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 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
543 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
544 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
545 }
c121d94672cb SDL 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 return (area);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
547 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
548
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
549 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
550 SDL_FreeRW(SDL_RWops * area)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
551 {
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
552 SDL_free(area);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
553 }
1354
22f39393668a Fixed build problem with SDL_string.c
Sam Lantinga <slouken@libsdl.org>
parents: 1338
diff changeset
554
22f39393668a Fixed build problem with SDL_string.c
Sam Lantinga <slouken@libsdl.org>
parents: 1338
diff changeset
555 /* 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
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 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
558 SDL_ReadLE16(SDL_RWops * src)
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 Uint16 value;
1354
22f39393668a Fixed build problem with SDL_string.c
Sam Lantinga <slouken@libsdl.org>
parents: 1338
diff changeset
561
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
562 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
563 return (SDL_SwapLE16(value));
1354
22f39393668a Fixed build problem with SDL_string.c
Sam Lantinga <slouken@libsdl.org>
parents: 1338
diff changeset
564 }
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
565
c121d94672cb SDL 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 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
567 SDL_ReadBE16(SDL_RWops * src)
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 Uint16 value;
1354
22f39393668a Fixed build problem with SDL_string.c
Sam Lantinga <slouken@libsdl.org>
parents: 1338
diff changeset
570
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
571 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
572 return (SDL_SwapBE16(value));
1354
22f39393668a Fixed build problem with SDL_string.c
Sam Lantinga <slouken@libsdl.org>
parents: 1338
diff changeset
573 }
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
574
c121d94672cb SDL 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 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
576 SDL_ReadLE32(SDL_RWops * src)
1354
22f39393668a Fixed build problem with SDL_string.c
Sam Lantinga <slouken@libsdl.org>
parents: 1338
diff changeset
577 {
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
578 Uint32 value;
1354
22f39393668a Fixed build problem with SDL_string.c
Sam Lantinga <slouken@libsdl.org>
parents: 1338
diff changeset
579
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
580 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
581 return (SDL_SwapLE32(value));
1354
22f39393668a Fixed build problem with SDL_string.c
Sam Lantinga <slouken@libsdl.org>
parents: 1338
diff changeset
582 }
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
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 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
585 SDL_ReadBE32(SDL_RWops * src)
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 Uint32 value;
1354
22f39393668a Fixed build problem with SDL_string.c
Sam Lantinga <slouken@libsdl.org>
parents: 1338
diff changeset
588
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
589 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
590 return (SDL_SwapBE32(value));
1354
22f39393668a Fixed build problem with SDL_string.c
Sam Lantinga <slouken@libsdl.org>
parents: 1338
diff changeset
591 }
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
592
c121d94672cb SDL 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 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
594 SDL_ReadLE64(SDL_RWops * src)
1354
22f39393668a Fixed build problem with SDL_string.c
Sam Lantinga <slouken@libsdl.org>
parents: 1338
diff changeset
595 {
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
596 Uint64 value;
1354
22f39393668a Fixed build problem with SDL_string.c
Sam Lantinga <slouken@libsdl.org>
parents: 1338
diff changeset
597
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
598 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
599 return (SDL_SwapLE64(value));
1354
22f39393668a Fixed build problem with SDL_string.c
Sam Lantinga <slouken@libsdl.org>
parents: 1338
diff changeset
600 }
22f39393668a Fixed build problem with SDL_string.c
Sam Lantinga <slouken@libsdl.org>
parents: 1338
diff changeset
601
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
602 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
603 SDL_ReadBE64(SDL_RWops * src)
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 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
606
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
607 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
608 return (SDL_SwapBE64(value));
1354
22f39393668a Fixed build problem with SDL_string.c
Sam Lantinga <slouken@libsdl.org>
parents: 1338
diff changeset
609 }
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
610
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
611 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
612 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
613 {
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
614 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
615 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
616 }
c121d94672cb SDL 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
c121d94672cb SDL 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 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
619 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
620 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
621 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
622 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
623 }
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
624
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
625 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
626 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
627 {
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
628 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
629 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
630 }
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
631
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
632 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
633 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
634 {
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
635 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
636 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
637 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
638
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
639 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
640 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
641 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
642 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
643 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
644 }
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
645
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
646 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
647 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
648 {
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
649 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
650 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
651 }
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
652
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
653 /* vi: set ts=4 sw=4 expandtab: */