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annotate src/file/SDL_rwops.c @ 5284:96a22141cf86 tip

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Changed output directory of Universal libSDL.a for iOS to respect build configurations. Template generator was updated to reflect these changes as well.
author Eric Wing <ewing . public |-at-| gmail . com>
date Sat, 12 Feb 2011 21:52:30 -0800
parents b530ef003506
children
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2011 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 __APPLE__
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32 #include "cocoa/SDL_rwopsbundlesupport.h"
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33 #endif /* __APPLE__ */
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34
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35 #ifdef __NDS__
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36 /* include libfat headers for fatInitDefault(). */
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37 #include <fat.h>
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38 #endif /* __NDS__ */
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39
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40 #ifdef __WIN32__
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41
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42 /* Functions to read/write Win32 API file pointers */
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43 /* Will not use it on WinCE because stdio is buffered, it means
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44 faster, and all stdio functions anyway are embedded in coredll.dll -
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45 the main wince dll*/
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46
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47 #include "../core/windows/SDL_windows.h"
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48
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49 #ifndef INVALID_SET_FILE_POINTER
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50 #define INVALID_SET_FILE_POINTER 0xFFFFFFFF
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51 #endif
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52
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53 #define READAHEAD_BUFFER_SIZE 1024
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54
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55 static int SDLCALL
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56 windows_file_open(SDL_RWops * context, const char *filename, const char *mode)
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57 {
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58 #ifndef _WIN32_WCE
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59 UINT old_error_mode;
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60 #endif
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61 HANDLE h;
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62 DWORD r_right, w_right;
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63 DWORD must_exist, truncate;
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64 int a_mode;
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65
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66 if (!context)
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67 return -1; /* failed (invalid call) */
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68
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69 context->hidden.windowsio.h = INVALID_HANDLE_VALUE; /* mark this as unusable */
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70 context->hidden.windowsio.buffer.data = NULL;
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71 context->hidden.windowsio.buffer.size = 0;
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72 context->hidden.windowsio.buffer.left = 0;
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73
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74 /* "r" = reading, file must exist */
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75 /* "w" = writing, truncate existing, file may not exist */
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76 /* "r+"= reading or writing, file must exist */
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77 /* "a" = writing, append file may not exist */
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78 /* "a+"= append + read, file may not exist */
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79 /* "w+" = read, write, truncate. file may not exist */
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80
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81 must_exist = (SDL_strchr(mode, 'r') != NULL) ? OPEN_EXISTING : 0;
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82 truncate = (SDL_strchr(mode, 'w') != NULL) ? CREATE_ALWAYS : 0;
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83 r_right = (SDL_strchr(mode, '+') != NULL
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84 || must_exist) ? GENERIC_READ : 0;
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85 a_mode = (SDL_strchr(mode, 'a') != NULL) ? OPEN_ALWAYS : 0;
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86 w_right = (a_mode || SDL_strchr(mode, '+')
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87 || truncate) ? GENERIC_WRITE : 0;
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88
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89 if (!r_right && !w_right) /* inconsistent mode */
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90 return -1; /* failed (invalid call) */
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91
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92 context->hidden.windowsio.buffer.data =
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93 (char *) SDL_malloc(READAHEAD_BUFFER_SIZE);
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94 if (!context->hidden.windowsio.buffer.data) {
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95 SDL_OutOfMemory();
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96 return -1;
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97 }
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98 #ifdef _WIN32_WCE
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99 {
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100 LPTSTR tstr = WIN_UTF8ToString(filename);
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101 h = CreateFile(tstr, (w_right | r_right),
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102 (w_right) ? 0 : FILE_SHARE_READ, NULL,
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103 (must_exist | truncate | a_mode),
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104 FILE_ATTRIBUTE_NORMAL, NULL);
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105 SDL_free(tstr);
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106 }
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107 #else
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108 /* Do not open a dialog box if failure */
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109 old_error_mode =
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110 SetErrorMode(SEM_NOOPENFILEERRORBOX | SEM_FAILCRITICALERRORS);
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111
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112 {
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113 LPTSTR tstr = WIN_UTF8ToString(filename);
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114 h = CreateFile(tstr, (w_right | r_right),
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115 (w_right) ? 0 : FILE_SHARE_READ, NULL,
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116 (must_exist | truncate | a_mode),
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117 FILE_ATTRIBUTE_NORMAL, NULL);
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118 SDL_free(tstr);
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119 }
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120
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121 /* restore old behavior */
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122 SetErrorMode(old_error_mode);
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diff changeset
123 #endif /* _WIN32_WCE */
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parents: 1402
diff changeset
124
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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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diff changeset
125 if (h == INVALID_HANDLE_VALUE) {
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diff changeset
126 SDL_free(context->hidden.windowsio.buffer.data);
e8916fe9cfc8 Fixed bug #925
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diff changeset
127 context->hidden.windowsio.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
128 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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diff changeset
129 return -2; /* failed (CreateFile) */
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
130 }
5062
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diff changeset
131 context->hidden.windowsio.h = h;
e8916fe9cfc8 Fixed bug #925
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diff changeset
132 context->hidden.windowsio.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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diff changeset
133
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
134 return 0; /* ok */
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parents: 1402
diff changeset
135 }
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diff changeset
136
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00adbaed3910 Updated to use size_t instead of int for amounts of data.
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diff changeset
137 static long SDLCALL
5062
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Sam Lantinga <slouken@libsdl.org>
parents: 4454
diff changeset
138 windows_file_seek(SDL_RWops * context, long offset, int whence)
1465
8dfa9a6d69a5 Updated WinCE support by Dmitry (with some tweaks)
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parents: 1456
diff changeset
139 {
5062
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parents: 4454
diff changeset
140 DWORD windowswhence;
2160
00adbaed3910 Updated to use size_t instead of int for amounts of data.
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parents: 2159
diff changeset
141 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
142
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diff changeset
143 if (!context || context->hidden.windowsio.h == INVALID_HANDLE_VALUE) {
e8916fe9cfc8 Fixed bug #925
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parents: 4454
diff changeset
144 SDL_SetError("windows_file_seek: invalid context/file not opened");
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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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diff changeset
145 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
146 }
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parents: 1402
diff changeset
147
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
148 /* FIXME: We may be able to satisfy the seek within buffered data */
5062
e8916fe9cfc8 Fixed bug #925
Sam Lantinga <slouken@libsdl.org>
parents: 4454
diff changeset
149 if (whence == RW_SEEK_CUR && context->hidden.windowsio.buffer.left) {
e8916fe9cfc8 Fixed bug #925
Sam Lantinga <slouken@libsdl.org>
parents: 4454
diff changeset
150 offset -= (long)context->hidden.windowsio.buffer.left;
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
151 }
5062
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diff changeset
152 context->hidden.windowsio.buffer.left = 0;
2159
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183
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diff changeset
153
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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
154 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
155 case RW_SEEK_SET:
5062
e8916fe9cfc8 Fixed bug #925
Sam Lantinga <slouken@libsdl.org>
parents: 4454
diff changeset
156 windowswhence = FILE_BEGIN;
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
157 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
158 case RW_SEEK_CUR:
5062
e8916fe9cfc8 Fixed bug #925
Sam Lantinga <slouken@libsdl.org>
parents: 4454
diff changeset
159 windowswhence = FILE_CURRENT;
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
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_END:
5062
e8916fe9cfc8 Fixed bug #925
Sam Lantinga <slouken@libsdl.org>
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diff changeset
162 windowswhence = FILE_END;
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
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 default:
5062
e8916fe9cfc8 Fixed bug #925
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parents: 4454
diff changeset
165 SDL_SetError("windows_file_seek: Unknown value for 'whence'");
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
166 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
167 }
c121d94672cb SDL 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
c121d94672cb SDL 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 file_pos =
5062
e8916fe9cfc8 Fixed bug #925
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parents: 4454
diff changeset
170 SetFilePointer(context->hidden.windowsio.h, offset, NULL, windowswhence);
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
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 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
173 return file_pos; /* success */
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
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 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
176 return -1; /* error */
1446
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Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
177 }
2735
204be4fc2726 Final merge of Google Summer of Code 2008 work...
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diff changeset
178
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diff changeset
179 static size_t SDLCALL
5062
e8916fe9cfc8 Fixed bug #925
Sam Lantinga <slouken@libsdl.org>
parents: 4454
diff changeset
180 windows_file_read(SDL_RWops * context, void *ptr, size_t size, size_t maxnum)
1465
8dfa9a6d69a5 Updated WinCE support by Dmitry (with some tweaks)
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parents: 1456
diff changeset
181 {
2160
00adbaed3910 Updated to use size_t instead of int for amounts of data.
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diff changeset
182 size_t total_need;
00adbaed3910 Updated to use size_t instead of int for amounts of data.
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parents: 2159
diff changeset
183 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
184 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
185 DWORD byte_read;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
186
2159
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183
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diff changeset
187 total_need = size * maxnum;
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
188
5062
e8916fe9cfc8 Fixed bug #925
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diff changeset
189 if (!context || context->hidden.windowsio.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
190 || !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
191 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
192
5062
e8916fe9cfc8 Fixed bug #925
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diff changeset
193 if (context->hidden.windowsio.buffer.left > 0) {
e8916fe9cfc8 Fixed bug #925
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parents: 4454
diff changeset
194 void *data = (char *) context->hidden.windowsio.buffer.data +
e8916fe9cfc8 Fixed bug #925
Sam Lantinga <slouken@libsdl.org>
parents: 4454
diff changeset
195 context->hidden.windowsio.buffer.size -
e8916fe9cfc8 Fixed bug #925
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parents: 4454
diff changeset
196 context->hidden.windowsio.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
197 read_ahead =
5062
e8916fe9cfc8 Fixed bug #925
Sam Lantinga <slouken@libsdl.org>
parents: 4454
diff changeset
198 SDL_min(total_need, context->hidden.windowsio.buffer.left);
2159
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183
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diff changeset
199 SDL_memcpy(ptr, data, read_ahead);
5062
e8916fe9cfc8 Fixed bug #925
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diff changeset
200 context->hidden.windowsio.buffer.left -= 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
201
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 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
203 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
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 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
206 total_need -= read_ahead;
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183
Sam Lantinga <slouken@libsdl.org>
parents: 1978
diff changeset
207 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
208 }
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
209
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183
Sam Lantinga <slouken@libsdl.org>
parents: 1978
diff changeset
210 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
211 if (!ReadFile
5062
e8916fe9cfc8 Fixed bug #925
Sam Lantinga <slouken@libsdl.org>
parents: 4454
diff changeset
212 (context->hidden.windowsio.h, context->hidden.windowsio.buffer.data,
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
213 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
214 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
215 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
216 }
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 read_ahead = SDL_min(total_need, (int) byte_read);
5062
e8916fe9cfc8 Fixed bug #925
Sam Lantinga <slouken@libsdl.org>
parents: 4454
diff changeset
218 SDL_memcpy(ptr, context->hidden.windowsio.buffer.data, read_ahead);
e8916fe9cfc8 Fixed bug #925
Sam Lantinga <slouken@libsdl.org>
parents: 4454
diff changeset
219 context->hidden.windowsio.buffer.size = byte_read;
e8916fe9cfc8 Fixed bug #925
Sam Lantinga <slouken@libsdl.org>
parents: 4454
diff changeset
220 context->hidden.windowsio.buffer.left = byte_read - read_ahead;
2159
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183
Sam Lantinga <slouken@libsdl.org>
parents: 1978
diff changeset
221 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
222 } 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
223 if (!ReadFile
5062
e8916fe9cfc8 Fixed bug #925
Sam Lantinga <slouken@libsdl.org>
parents: 4454
diff changeset
224 (context->hidden.windowsio.h, ptr, (DWORD)total_need, &byte_read, NULL)) {
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
225 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
226 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
227 }
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 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
229 }
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 return (total_read / size);
1446
47bf1767c4ca Date: Mon, 27 Feb 2006 02:17:29 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
231 }
2735
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents: 2185
diff changeset
232
2160
00adbaed3910 Updated to use size_t instead of int for amounts of data.
Sam Lantinga <slouken@libsdl.org>
parents: 2159
diff changeset
233 static size_t SDLCALL
5062
e8916fe9cfc8 Fixed bug #925
Sam Lantinga <slouken@libsdl.org>
parents: 4454
diff changeset
234 windows_file_write(SDL_RWops * context, const void *ptr, size_t size,
2160
00adbaed3910 Updated to use size_t instead of int for amounts of data.
Sam Lantinga <slouken@libsdl.org>
parents: 2159
diff changeset
235 size_t num)
1465
8dfa9a6d69a5 Updated WinCE support by Dmitry (with some tweaks)
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
236 {
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
237
2160
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 total_bytes;
3253
5d7ef5970073 Fixed issues building 64-bit Windows binary
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
239 DWORD byte_written;
5d7ef5970073 Fixed issues building 64-bit Windows binary
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
240 size_t nwritten;
1446
47bf1767c4ca Date: Mon, 27 Feb 2006 02:17:29 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
241
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 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
243
5062
e8916fe9cfc8 Fixed bug #925
Sam Lantinga <slouken@libsdl.org>
parents: 4454
diff changeset
244 if (!context || context->hidden.windowsio.h == INVALID_HANDLE_VALUE
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
245 || 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
246 return 0;
1446
47bf1767c4ca Date: Mon, 27 Feb 2006 02:17:29 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
247
5062
e8916fe9cfc8 Fixed bug #925
Sam Lantinga <slouken@libsdl.org>
parents: 4454
diff changeset
248 if (context->hidden.windowsio.buffer.left) {
e8916fe9cfc8 Fixed bug #925
Sam Lantinga <slouken@libsdl.org>
parents: 4454
diff changeset
249 SetFilePointer(context->hidden.windowsio.h,
e8916fe9cfc8 Fixed bug #925
Sam Lantinga <slouken@libsdl.org>
parents: 4454
diff changeset
250 -(LONG)context->hidden.windowsio.buffer.left, NULL,
2159
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183
Sam Lantinga <slouken@libsdl.org>
parents: 1978
diff changeset
251 FILE_CURRENT);
5062
e8916fe9cfc8 Fixed bug #925
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parents: 4454
diff changeset
252 context->hidden.windowsio.buffer.left = 0;
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
253 }
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183
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parents: 1978
diff changeset
254
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
255 /* if in append mode, we must go to the EOF before write */
5062
e8916fe9cfc8 Fixed bug #925
Sam Lantinga <slouken@libsdl.org>
parents: 4454
diff changeset
256 if (context->hidden.windowsio.append) {
e8916fe9cfc8 Fixed bug #925
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parents: 4454
diff changeset
257 if (SetFilePointer(context->hidden.windowsio.h, 0L, NULL, FILE_END) ==
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
258 INVALID_SET_FILE_POINTER) {
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
259 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
260 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
261 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
262 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
263
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
264 if (!WriteFile
5062
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Sam Lantinga <slouken@libsdl.org>
parents: 4454
diff changeset
265 (context->hidden.windowsio.h, ptr, (DWORD)total_bytes, &byte_written, NULL)) {
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
266 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
267 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
268 }
c121d94672cb SDL 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
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
270 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
271 return nwritten;
1446
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parents: 1402
diff changeset
272 }
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273
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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
274 static int SDLCALL
5062
e8916fe9cfc8 Fixed bug #925
Sam Lantinga <slouken@libsdl.org>
parents: 4454
diff changeset
275 windows_file_close(SDL_RWops * context)
1465
8dfa9a6d69a5 Updated WinCE support by Dmitry (with some tweaks)
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
276 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
277
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
278 if (context) {
5062
e8916fe9cfc8 Fixed bug #925
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parents: 4454
diff changeset
279 if (context->hidden.windowsio.h != INVALID_HANDLE_VALUE) {
e8916fe9cfc8 Fixed bug #925
Sam Lantinga <slouken@libsdl.org>
parents: 4454
diff changeset
280 CloseHandle(context->hidden.windowsio.h);
e8916fe9cfc8 Fixed bug #925
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parents: 4454
diff changeset
281 context->hidden.windowsio.h = INVALID_HANDLE_VALUE; /* to be sure */
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
282 }
5062
e8916fe9cfc8 Fixed bug #925
Sam Lantinga <slouken@libsdl.org>
parents: 4454
diff changeset
283 if (context->hidden.windowsio.buffer.data) {
e8916fe9cfc8 Fixed bug #925
Sam Lantinga <slouken@libsdl.org>
parents: 4454
diff changeset
284 SDL_free(context->hidden.windowsio.buffer.data);
e8916fe9cfc8 Fixed bug #925
Sam Lantinga <slouken@libsdl.org>
parents: 4454
diff changeset
285 context->hidden.windowsio.buffer.data = NULL;
2159
dd4753e47ed4 Merged read-ahead support for Win32 file I/O from SDL 1.2 revision 3183
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diff changeset
286 }
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
287 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
288 }
c121d94672cb SDL 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 return (0);
1446
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parents: 1402
diff changeset
290 }
5088
c2539ff054c8 Fixed compiling on Windows Mobile SDK 5.0 with Visual Studio 2008
Sam Lantinga <slouken@libsdl.org>
parents: 5062
diff changeset
291 #endif /* __WIN32__ */
1446
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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 #ifdef HAVE_STDIO_H
515df0086eb7 Prefer the raw Win32 API over stdio for file RWops
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parents: 1446
diff changeset
294
515df0086eb7 Prefer the raw Win32 API over stdio for file RWops
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parents: 1446
diff changeset
295 /* 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
296
2160
00adbaed3910 Updated to use size_t instead of int for amounts of data.
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diff changeset
297 static long SDLCALL
00adbaed3910 Updated to use size_t instead of int for amounts of data.
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parents: 2159
diff changeset
298 stdio_seek(SDL_RWops * context, long offset, int whence)
1447
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parents: 1446
diff changeset
299 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
300 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
301 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
302 } 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
303 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
304 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
305 }
1447
515df0086eb7 Prefer the raw Win32 API over stdio for file RWops
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parents: 1446
diff changeset
306 }
2735
204be4fc2726 Final merge of Google Summer of Code 2008 work...
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diff changeset
307
2160
00adbaed3910 Updated to use size_t instead of int for amounts of data.
Sam Lantinga <slouken@libsdl.org>
parents: 2159
diff changeset
308 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
309 stdio_read(SDL_RWops * context, void *ptr, size_t size, size_t maxnum)
1447
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parents: 1446
diff changeset
310 {
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
311 size_t nread;
1446
47bf1767c4ca Date: Mon, 27 Feb 2006 02:17:29 +0100
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parents: 1402
diff changeset
312
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
313 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
314 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
315 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
316 }
c121d94672cb SDL 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 return (nread);
1447
515df0086eb7 Prefer the raw Win32 API over stdio for file RWops
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parents: 1446
diff changeset
318 }
2735
204be4fc2726 Final merge of Google Summer of Code 2008 work...
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diff changeset
319
2160
00adbaed3910 Updated to use size_t instead of int for amounts of data.
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diff changeset
320 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
321 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
322 {
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
323 size_t nwrote;
1446
47bf1767c4ca Date: Mon, 27 Feb 2006 02:17:29 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 1402
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 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
326 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
327 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
328 }
c121d94672cb SDL 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 return (nwrote);
1447
515df0086eb7 Prefer the raw Win32 API over stdio for file RWops
Sam Lantinga <slouken@libsdl.org>
parents: 1446
diff changeset
330 }
2735
204be4fc2726 Final merge of Google Summer of Code 2008 work...
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parents: 2185
diff changeset
331
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
332 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
333 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
334 {
2160
00adbaed3910 Updated to use size_t instead of int for amounts of data.
Sam Lantinga <slouken@libsdl.org>
parents: 2159
diff changeset
335 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
336 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
337 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
338 /* 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
339 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
340 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
341 status = -1;
00adbaed3910 Updated to use size_t instead of int for amounts of data.
Sam Lantinga <slouken@libsdl.org>
parents: 2159
diff changeset
342 }
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
343 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
344 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
345 }
2160
00adbaed3910 Updated to use size_t instead of int for amounts of data.
Sam Lantinga <slouken@libsdl.org>
parents: 2159
diff changeset
346 return status;
1447
515df0086eb7 Prefer the raw Win32 API over stdio for file RWops
Sam Lantinga <slouken@libsdl.org>
parents: 1446
diff changeset
347 }
1446
47bf1767c4ca Date: Mon, 27 Feb 2006 02:17:29 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
348 #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
349
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
350 /* Functions to read/write memory pointers */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
351
2160
00adbaed3910 Updated to use size_t instead of int for amounts of data.
Sam Lantinga <slouken@libsdl.org>
parents: 2159
diff changeset
352 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
353 mem_seek(SDL_RWops * context, long offset, int whence)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
354 {
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
355 Uint8 *newpos;
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 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
358 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
359 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
360 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
361 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
362 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
363 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
364 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
365 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
366 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
367 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
368 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
369 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
370 }
c121d94672cb SDL 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 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
372 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
373 }
c121d94672cb SDL 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 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
375 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
376 }
c121d94672cb SDL 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 context->hidden.mem.here = newpos;
3253
5d7ef5970073 Fixed issues building 64-bit Windows binary
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
378 return (long)(context->hidden.mem.here - context->hidden.mem.base);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
379 }
2735
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents: 2185
diff changeset
380
2160
00adbaed3910 Updated to use size_t instead of int for amounts of data.
Sam Lantinga <slouken@libsdl.org>
parents: 2159
diff changeset
381 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
382 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
383 {
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
384 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
385 size_t mem_available;
1078
e2ef6b7001fd Patch from Antonio SJ Musumeci:
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
386
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
387 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
388 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
389 || ((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
390 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
391 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
392
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
393 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
394 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
395 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
396 }
1078
e2ef6b7001fd Patch from Antonio SJ Musumeci:
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
397
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
398 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
399 context->hidden.mem.here += total_bytes;
1078
e2ef6b7001fd Patch from Antonio SJ Musumeci:
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
400
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
401 return (total_bytes / size);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
402 }
2735
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents: 2185
diff changeset
403
2160
00adbaed3910 Updated to use size_t instead of int for amounts of data.
Sam Lantinga <slouken@libsdl.org>
parents: 2159
diff changeset
404 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
405 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
406 {
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
407 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
408 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
409 }
c121d94672cb SDL 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 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
411 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
412 return (num);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
413 }
2735
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents: 2185
diff changeset
414
2160
00adbaed3910 Updated to use size_t instead of int for amounts of data.
Sam Lantinga <slouken@libsdl.org>
parents: 2159
diff changeset
415 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
416 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
417 {
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
418 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
419 return (-1);
764
974c0fb74bf8 Added function to create RWops from const memory: SDL_RWFromConstMem()
Sam Lantinga <slouken@libsdl.org>
parents: 543
diff changeset
420 }
2735
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents: 2185
diff changeset
421
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
422 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
423 mem_close(SDL_RWops * context)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
424 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
425 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
426 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
427 }
c121d94672cb SDL 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 return (0);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
429 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
430
1447
515df0086eb7 Prefer the raw Win32 API over stdio for file RWops
Sam Lantinga <slouken@libsdl.org>
parents: 1446
diff changeset
431
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
432 /* Functions to create SDL_RWops structures from various data sources */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
433
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
434 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
435 SDL_RWFromFile(const char *file, const char *mode)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
436 {
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
437 SDL_RWops *rwops = NULL;
1465
8dfa9a6d69a5 Updated WinCE support by Dmitry (with some tweaks)
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
438 #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
439 FILE *fp = NULL;
1465
8dfa9a6d69a5 Updated WinCE support by Dmitry (with some tweaks)
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
440 #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
441 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
442 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
443 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
444 }
5088
c2539ff054c8 Fixed compiling on Windows Mobile SDK 5.0 with Visual Studio 2008
Sam Lantinga <slouken@libsdl.org>
parents: 5062
diff changeset
445 #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
446 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
447 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
448 return NULL; /* SDL_SetError already setup by SDL_AllocRW() */
5062
e8916fe9cfc8 Fixed bug #925
Sam Lantinga <slouken@libsdl.org>
parents: 4454
diff changeset
449 if (windows_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
450 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
451 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
452 }
5062
e8916fe9cfc8 Fixed bug #925
Sam Lantinga <slouken@libsdl.org>
parents: 4454
diff changeset
453 rwops->seek = windows_file_seek;
e8916fe9cfc8 Fixed bug #925
Sam Lantinga <slouken@libsdl.org>
parents: 4454
diff changeset
454 rwops->read = windows_file_read;
e8916fe9cfc8 Fixed bug #925
Sam Lantinga <slouken@libsdl.org>
parents: 4454
diff changeset
455 rwops->write = windows_file_write;
e8916fe9cfc8 Fixed bug #925
Sam Lantinga <slouken@libsdl.org>
parents: 4454
diff changeset
456 rwops->close = windows_file_close;
1447
515df0086eb7 Prefer the raw Win32 API over stdio for file RWops
Sam Lantinga <slouken@libsdl.org>
parents: 1446
diff changeset
457
515df0086eb7 Prefer the raw Win32 API over stdio for file RWops
Sam Lantinga <slouken@libsdl.org>
parents: 1446
diff changeset
458 #elif HAVE_STDIO_H
4447
947201caa46e Added automated test to Xcode project plus needed changes to SDL_RWFromFile to be OS X bundle aware.
Eric Wing <ewing . public |-at-| gmail . com>
parents: 3697
diff changeset
459 #ifdef __APPLE__
947201caa46e Added automated test to Xcode project plus needed changes to SDL_RWFromFile to be OS X bundle aware.
Eric Wing <ewing . public |-at-| gmail . com>
parents: 3697
diff changeset
460 fp = SDL_OpenFPFromBundleOrFallback(file, mode);
947201caa46e Added automated test to Xcode project plus needed changes to SDL_RWFromFile to be OS X bundle aware.
Eric Wing <ewing . public |-at-| gmail . com>
parents: 3697
diff changeset
461 #else
947201caa46e Added automated test to Xcode project plus needed changes to SDL_RWFromFile to be OS X bundle aware.
Eric Wing <ewing . public |-at-| gmail . com>
parents: 3697
diff changeset
462 fp = fopen(file, mode);
947201caa46e Added automated test to Xcode project plus needed changes to SDL_RWFromFile to be OS X bundle aware.
Eric Wing <ewing . public |-at-| gmail . com>
parents: 3697
diff changeset
463 #endif
947201caa46e Added automated test to Xcode project plus needed changes to SDL_RWFromFile to be OS X bundle aware.
Eric Wing <ewing . public |-at-| gmail . com>
parents: 3697
diff changeset
464 if (fp == NULL) {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
465 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
466 } 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
467 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
468 }
1447
515df0086eb7 Prefer the raw Win32 API over stdio for file RWops
Sam Lantinga <slouken@libsdl.org>
parents: 1446
diff changeset
469 #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
470 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
471 #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
472
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
473 return (rwops);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
474 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
475
1330
450721ad5436 It's now possible to build SDL without any C runtime at all on Windows,
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
476 #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
477 SDL_RWops *
2161
e635db5b45ef Oh yeah, they're boolean values...
Sam Lantinga <slouken@libsdl.org>
parents: 2160
diff changeset
478 SDL_RWFromFP(FILE * fp, SDL_bool autoclose)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
479 {
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
480 SDL_RWops *rwops = NULL;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
481
2735
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents: 2185
diff changeset
482 #if 0
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents: 2185
diff changeset
483 /*#ifdef __NDS__*/
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents: 2185
diff changeset
484 /* 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
485 fatInitDefault();
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents: 2185
diff changeset
486 printf("called fatInitDefault()");
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents: 2185
diff changeset
487 #endif /* __NDS__ */
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents: 2185
diff changeset
488
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
489 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
490 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
491 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
492 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
493 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
494 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
495 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
496 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
497 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
498 return (rwops);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
499 }
3564
d264d99576c1 Add a dummy function if SDL doesn't have STDIO support
Sam Lantinga <slouken@libsdl.org>
parents: 3253
diff changeset
500 #else
d264d99576c1 Add a dummy function if SDL doesn't have STDIO support
Sam Lantinga <slouken@libsdl.org>
parents: 3253
diff changeset
501 SDL_RWops *
d264d99576c1 Add a dummy function if SDL doesn't have STDIO support
Sam Lantinga <slouken@libsdl.org>
parents: 3253
diff changeset
502 SDL_RWFromFP(void * fp, SDL_bool autoclose)
d264d99576c1 Add a dummy function if SDL doesn't have STDIO support
Sam Lantinga <slouken@libsdl.org>
parents: 3253
diff changeset
503 {
d264d99576c1 Add a dummy function if SDL doesn't have STDIO support
Sam Lantinga <slouken@libsdl.org>
parents: 3253
diff changeset
504 SDL_SetError("SDL not compiled with stdio support");
d264d99576c1 Add a dummy function if SDL doesn't have STDIO support
Sam Lantinga <slouken@libsdl.org>
parents: 3253
diff changeset
505 return NULL;
d264d99576c1 Add a dummy function if SDL doesn't have STDIO support
Sam Lantinga <slouken@libsdl.org>
parents: 3253
diff changeset
506 }
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
507 #endif /* HAVE_STDIO_H */
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
508
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
509 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
510 SDL_RWFromMem(void *mem, int size)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
511 {
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
512 SDL_RWops *rwops;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
513
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
514 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
515 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
516 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
517 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
518 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
519 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
520 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
521 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
522 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
523 }
c121d94672cb SDL 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 return (rwops);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
525 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
526
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
527 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
528 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
529 {
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
530 SDL_RWops *rwops;
764
974c0fb74bf8 Added function to create RWops from const memory: SDL_RWFromConstMem()
Sam Lantinga <slouken@libsdl.org>
parents: 543
diff changeset
531
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
532 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
533 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
534 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
535 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
536 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
537 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
538 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
539 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
540 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
541 }
c121d94672cb SDL 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 return (rwops);
764
974c0fb74bf8 Added function to create RWops from const memory: SDL_RWFromConstMem()
Sam Lantinga <slouken@libsdl.org>
parents: 543
diff changeset
543 }
974c0fb74bf8 Added function to create RWops from const memory: SDL_RWFromConstMem()
Sam Lantinga <slouken@libsdl.org>
parents: 543
diff changeset
544
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
545 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
546 SDL_AllocRW(void)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
547 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
548 SDL_RWops *area;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
549
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
550 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
551 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
552 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
553 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
554 return (area);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
555 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
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 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
558 SDL_FreeRW(SDL_RWops * area)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
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 SDL_free(area);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
561 }
1354
22f39393668a Fixed build problem with SDL_string.c
Sam Lantinga <slouken@libsdl.org>
parents: 1338
diff changeset
562
22f39393668a Fixed build problem with SDL_string.c
Sam Lantinga <slouken@libsdl.org>
parents: 1338
diff changeset
563 /* 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
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 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
566 SDL_ReadLE16(SDL_RWops * src)
1354
22f39393668a Fixed build problem with SDL_string.c
Sam Lantinga <slouken@libsdl.org>
parents: 1338
diff changeset
567 {
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
568 Uint16 value;
1354
22f39393668a Fixed build problem with SDL_string.c
Sam Lantinga <slouken@libsdl.org>
parents: 1338
diff changeset
569
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
570 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
571 return (SDL_SwapLE16(value));
1354
22f39393668a Fixed build problem with SDL_string.c
Sam Lantinga <slouken@libsdl.org>
parents: 1338
diff changeset
572 }
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
573
c121d94672cb SDL 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 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
575 SDL_ReadBE16(SDL_RWops * src)
1354
22f39393668a Fixed build problem with SDL_string.c
Sam Lantinga <slouken@libsdl.org>
parents: 1338
diff changeset
576 {
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
577 Uint16 value;
1354
22f39393668a Fixed build problem with SDL_string.c
Sam Lantinga <slouken@libsdl.org>
parents: 1338
diff changeset
578
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
579 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
580 return (SDL_SwapBE16(value));
1354
22f39393668a Fixed build problem with SDL_string.c
Sam Lantinga <slouken@libsdl.org>
parents: 1338
diff changeset
581 }
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
582
c121d94672cb SDL 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 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
584 SDL_ReadLE32(SDL_RWops * src)
1354
22f39393668a Fixed build problem with SDL_string.c
Sam Lantinga <slouken@libsdl.org>
parents: 1338
diff changeset
585 {
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
586 Uint32 value;
1354
22f39393668a Fixed build problem with SDL_string.c
Sam Lantinga <slouken@libsdl.org>
parents: 1338
diff changeset
587
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
588 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
589 return (SDL_SwapLE32(value));
1354
22f39393668a Fixed build problem with SDL_string.c
Sam Lantinga <slouken@libsdl.org>
parents: 1338
diff changeset
590 }
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
591
c121d94672cb SDL 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 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
593 SDL_ReadBE32(SDL_RWops * src)
1354
22f39393668a Fixed build problem with SDL_string.c
Sam Lantinga <slouken@libsdl.org>
parents: 1338
diff changeset
594 {
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
595 Uint32 value;
1354
22f39393668a Fixed build problem with SDL_string.c
Sam Lantinga <slouken@libsdl.org>
parents: 1338
diff changeset
596
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
597 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
598 return (SDL_SwapBE32(value));
1354
22f39393668a Fixed build problem with SDL_string.c
Sam Lantinga <slouken@libsdl.org>
parents: 1338
diff changeset
599 }
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
600
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
601 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
602 SDL_ReadLE64(SDL_RWops * src)
1354
22f39393668a Fixed build problem with SDL_string.c
Sam Lantinga <slouken@libsdl.org>
parents: 1338
diff changeset
603 {
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
604 Uint64 value;
1354
22f39393668a Fixed build problem with SDL_string.c
Sam Lantinga <slouken@libsdl.org>
parents: 1338
diff changeset
605
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
606 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
607 return (SDL_SwapLE64(value));
1354
22f39393668a Fixed build problem with SDL_string.c
Sam Lantinga <slouken@libsdl.org>
parents: 1338
diff changeset
608 }
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 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
611 SDL_ReadBE64(SDL_RWops * src)
1354
22f39393668a Fixed build problem with SDL_string.c
Sam Lantinga <slouken@libsdl.org>
parents: 1338
diff changeset
612 {
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
613 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
614
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
615 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
616 return (SDL_SwapBE64(value));
1354
22f39393668a Fixed build problem with SDL_string.c
Sam Lantinga <slouken@libsdl.org>
parents: 1338
diff changeset
617 }
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
618
3253
5d7ef5970073 Fixed issues building 64-bit Windows binary
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
619 size_t
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
620 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
621 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
622 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
623 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
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
3253
5d7ef5970073 Fixed issues building 64-bit Windows binary
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
626 size_t
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
627 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
628 {
c121d94672cb SDL 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 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
630 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
631 }
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
632
3253
5d7ef5970073 Fixed issues building 64-bit Windows binary
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
633 size_t
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
634 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
635 {
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
636 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
637 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
638 }
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
639
3253
5d7ef5970073 Fixed issues building 64-bit Windows binary
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parents: 2859
diff changeset
640 size_t
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parents: 1769
diff changeset
641 SDL_WriteBE32(SDL_RWops * dst, Uint32 value)
1354
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Sam Lantinga <slouken@libsdl.org>
parents: 1338
diff changeset
642 {
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parents: 1769
diff changeset
643 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
644 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
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
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Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
647 size_t
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
648 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
649 {
c121d94672cb SDL 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 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
651 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
652 }
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
653
3253
5d7ef5970073 Fixed issues building 64-bit Windows binary
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
654 size_t
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
655 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
656 {
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
657 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
658 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
659 }
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
660
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
661 /* vi: set ts=4 sw=4 expandtab: */