Mercurial > sdl-ios-xcode
annotate src/main/win32/SDL_win32_main.c @ 1407:0c6941483cc6
Whoops, forgot to check in this fix
author | Sam Lantinga <slouken@libsdl.org> |
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date | Tue, 21 Feb 2006 18:20:10 +0000 |
parents | c0a74f199ecf |
children | 4ed717f9e509 |
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1 /* |
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2 SDL_main.c, placed in the public domain by Sam Lantinga 4/13/98 |
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3 |
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4 The WinMain function -- calls your program's main() function |
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5 */ |
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6 |
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7 #include <stdio.h> |
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8 #include <stdlib.h> |
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9 |
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10 #include "SDL_windows.h" |
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11 |
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12 #ifdef _WIN32_WCE |
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13 # define DIR_SEPERATOR TEXT("\\") |
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14 # undef _getcwd |
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15 # define _getcwd(str,len) wcscpy(str,TEXT("")) |
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16 # define setbuf(f,b) |
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17 # define setvbuf(w,x,y,z) |
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18 # define fopen _wfopen |
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19 # define freopen _wfreopen |
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20 # define remove(x) DeleteFile(x) |
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21 #else |
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22 # define DIR_SEPERATOR TEXT("/") |
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23 # include <direct.h> |
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24 #endif |
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25 |
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26 /* Include the SDL main definition header */ |
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27 #include "SDL.h" |
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28 #include "SDL_main.h" |
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29 |
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30 #ifdef main |
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31 # ifndef _WIN32_WCE_EMULATION |
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32 # undef main |
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33 # endif /* _WIN32_WCE_EMULATION */ |
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34 #endif /* main */ |
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35 |
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36 /* The standard output files */ |
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37 #define STDOUT_FILE TEXT("stdout.txt") |
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38 #define STDERR_FILE TEXT("stderr.txt") |
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39 |
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40 #ifndef NO_STDIO_REDIRECT |
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41 # ifdef _WIN32_WCE |
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42 static wchar_t stdoutPath[MAX_PATH]; |
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43 static wchar_t stderrPath[MAX_PATH]; |
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44 # else |
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45 static char stdoutPath[MAX_PATH]; |
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46 static char stderrPath[MAX_PATH]; |
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47 # endif |
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48 #endif |
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49 |
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50 #if defined(_WIN32_WCE) && _WIN32_WCE < 300 |
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51 /* seems to be undefined in Win CE although in online help */ |
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52 #define isspace(a) (((CHAR)a == ' ') || ((CHAR)a == '\t')) |
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53 |
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54 /* seems to be undefined in Win CE although in online help */ |
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55 char *SDL_strrchr(char *str, int c) |
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56 { |
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57 char *p; |
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58 |
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59 /* Skip to the end of the string */ |
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60 p=str; |
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61 while (*p) |
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62 p++; |
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63 |
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64 /* Look for the given character */ |
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65 while ( (p >= str) && (*p != (CHAR)c) ) |
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66 p--; |
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67 |
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68 /* Return NULL if character not found */ |
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69 if ( p < str ) { |
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70 p = NULL; |
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71 } |
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72 return p; |
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73 } |
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74 #endif /* _WIN32_WCE < 300 */ |
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75 |
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76 /* Parse a command line buffer into arguments */ |
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77 static int ParseCommandLine(char *cmdline, char **argv) |
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78 { |
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79 char *bufp; |
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80 int argc; |
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81 |
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82 argc = 0; |
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83 for ( bufp = cmdline; *bufp; ) { |
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84 /* Skip leading whitespace */ |
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85 while ( isspace(*bufp) ) { |
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86 ++bufp; |
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87 } |
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88 /* Skip over argument */ |
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89 if ( *bufp == '"' ) { |
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90 ++bufp; |
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91 if ( *bufp ) { |
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92 if ( argv ) { |
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93 argv[argc] = bufp; |
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94 } |
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95 ++argc; |
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96 } |
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97 /* Skip over word */ |
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98 while ( *bufp && (*bufp != '"') ) { |
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99 ++bufp; |
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100 } |
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101 } else { |
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102 if ( *bufp ) { |
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103 if ( argv ) { |
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104 argv[argc] = bufp; |
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105 } |
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106 ++argc; |
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107 } |
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108 /* Skip over word */ |
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109 while ( *bufp && ! isspace(*bufp) ) { |
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110 ++bufp; |
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111 } |
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112 } |
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113 if ( *bufp ) { |
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114 if ( argv ) { |
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115 *bufp = '\0'; |
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116 } |
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117 ++bufp; |
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118 } |
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119 } |
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120 if ( argv ) { |
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121 argv[argc] = NULL; |
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122 } |
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123 return(argc); |
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124 } |
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125 |
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126 /* Show an error message */ |
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127 static void ShowError(const char *title, const char *message) |
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128 { |
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129 /* If USE_MESSAGEBOX is defined, you need to link with user32.lib */ |
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130 #ifdef USE_MESSAGEBOX |
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131 MessageBox(NULL, message, title, MB_ICONEXCLAMATION|MB_OK); |
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132 #else |
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133 fprintf(stderr, "%s: %s\n", title, message); |
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134 #endif |
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135 } |
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136 |
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137 /* Pop up an out of memory message, returns to Windows */ |
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138 static BOOL OutOfMemory(void) |
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139 { |
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140 ShowError("Fatal Error", "Out of memory - aborting"); |
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141 return FALSE; |
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142 } |
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143 |
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144 /* Remove the output files if there was no output written */ |
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145 static void __cdecl cleanup_output(void) |
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146 { |
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147 #ifndef NO_STDIO_REDIRECT |
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148 FILE *file; |
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149 int empty; |
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150 #endif |
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151 |
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152 /* Flush the output in case anything is queued */ |
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153 fclose(stdout); |
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154 fclose(stderr); |
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155 |
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156 #ifndef NO_STDIO_REDIRECT |
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157 /* See if the files have any output in them */ |
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158 if ( stdoutPath[0] ) { |
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159 file = fopen(stdoutPath, TEXT("rb")); |
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160 if ( file ) { |
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161 empty = (fgetc(file) == EOF) ? 1 : 0; |
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162 fclose(file); |
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163 if ( empty ) { |
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164 remove(stdoutPath); |
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165 } |
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166 } |
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167 } |
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168 if ( stderrPath[0] ) { |
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169 file = fopen(stderrPath, TEXT("rb")); |
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170 if ( file ) { |
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171 empty = (fgetc(file) == EOF) ? 1 : 0; |
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172 fclose(file); |
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173 if ( empty ) { |
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174 remove(stderrPath); |
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175 } |
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176 } |
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177 } |
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178 #endif |
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179 } |
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180 |
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181 #if defined(_MSC_VER) && !defined(_WIN32_WCE) |
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182 /* The VC++ compiler needs main defined */ |
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183 #define console_main main |
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184 #endif |
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185 |
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186 /* This is where execution begins [console apps] */ |
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187 int console_main(int argc, char *argv[]) |
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188 { |
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189 int n; |
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190 char *bufp, *appname; |
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191 |
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192 /* Get the class name from argv[0] */ |
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193 appname = argv[0]; |
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194 if ( (bufp=SDL_strrchr(argv[0], '\\')) != NULL ) { |
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195 appname = bufp+1; |
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196 } else |
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197 if ( (bufp=SDL_strrchr(argv[0], '/')) != NULL ) { |
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198 appname = bufp+1; |
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199 } |
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200 |
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201 if ( (bufp=SDL_strrchr(appname, '.')) == NULL ) |
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202 n = SDL_strlen(appname); |
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203 else |
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204 n = (bufp-appname); |
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205 |
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206 bufp = (char *)alloca(n+1); |
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207 if ( bufp == NULL ) { |
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208 return OutOfMemory(); |
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209 } |
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210 SDL_strlcpy(bufp, appname, n); |
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211 appname = bufp; |
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212 |
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213 /* Load SDL dynamic link library */ |
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214 if ( SDL_Init(SDL_INIT_NOPARACHUTE) < 0 ) { |
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215 ShowError("WinMain() error", SDL_GetError()); |
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216 return(FALSE); |
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217 } |
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218 atexit(cleanup_output); |
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219 atexit(SDL_Quit); |
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220 |
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221 /* Sam: |
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222 We still need to pass in the application handle so that |
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223 DirectInput will initialize properly when SDL_RegisterApp() |
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224 is called later in the video initialization. |
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225 */ |
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226 SDL_SetModuleHandle(GetModuleHandle(NULL)); |
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227 |
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228 /* Run the application main() code */ |
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229 SDL_main(argc, argv); |
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230 |
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231 /* Exit cleanly, calling atexit() functions */ |
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232 exit(0); |
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233 |
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234 /* Hush little compiler, don't you cry... */ |
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235 return(0); |
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236 } |
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237 |
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238 /* This is where execution begins [windowed apps] */ |
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239 #ifdef _WIN32_WCE |
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240 int WINAPI WinMain(HINSTANCE hInst, HINSTANCE hPrev, LPWSTR szCmdLine, int sw) |
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241 #else |
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242 int WINAPI WinMain(HINSTANCE hInst, HINSTANCE hPrev, LPSTR szCmdLine, int sw) |
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243 #endif |
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244 { |
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245 HINSTANCE handle; |
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246 char **argv; |
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247 int argc; |
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248 char *cmdline; |
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249 DWORD pathlen; |
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250 #ifdef _WIN32_WCE |
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251 wchar_t path[MAX_PATH]; |
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252 #else |
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253 char path[MAX_PATH]; |
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254 #endif |
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255 #ifdef _WIN32_WCE |
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256 wchar_t *bufp; |
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257 int nLen; |
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258 #else |
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259 char *bufp; |
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260 size_t nLen; |
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261 #endif |
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262 #ifndef NO_STDIO_REDIRECT |
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263 FILE *newfp; |
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264 #endif |
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265 int retval; |
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266 |
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267 /* Start up DDHELP.EXE before opening any files, so DDHELP doesn't |
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268 keep them open. This is a hack.. hopefully it will be fixed |
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269 someday. DDHELP.EXE starts up the first time DDRAW.DLL is loaded. |
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270 */ |
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271 handle = LoadLibrary(TEXT("DDRAW.DLL")); |
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272 if ( handle != NULL ) { |
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273 FreeLibrary(handle); |
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274 } |
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275 |
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276 #ifndef NO_STDIO_REDIRECT |
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277 pathlen = GetModuleFileName(NULL, path, SDL_arraysize(path)); |
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278 while ( pathlen > 0 && path[pathlen] != '\\' ) { |
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279 --pathlen; |
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280 } |
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281 path[pathlen] = '\0'; |
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282 |
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283 SDL_strlcpy( stdoutPath, path, SDL_arraysize(stdoutPath) ); |
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284 SDL_strlcat( stdoutPath, DIR_SEPERATOR STDOUT_FILE, SDL_arraysize(stdoutPath) ); |
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285 |
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286 /* Redirect standard input and standard output */ |
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287 newfp = freopen(stdoutPath, TEXT("w"), stdout); |
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288 |
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289 #ifndef _WIN32_WCE |
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290 if ( newfp == NULL ) { /* This happens on NT */ |
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291 #if !defined(stdout) |
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292 stdout = fopen(stdoutPath, TEXT("w")); |
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293 #else |
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294 newfp = fopen(stdoutPath, TEXT("w")); |
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295 if ( newfp ) { |
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296 *stdout = *newfp; |
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297 } |
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298 #endif |
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299 } |
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300 #endif /* _WIN32_WCE */ |
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301 |
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302 SDL_strlcpy( stderrPath, path, SDL_arraysize(stderrPath) ); |
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303 SDL_strlcat( stderrPath, DIR_SEPERATOR STDERR_FILE, SDL_arraysize(stderrPath) ); |
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304 |
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305 newfp = freopen(stderrPath, TEXT("w"), stderr); |
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306 #ifndef _WIN32_WCE |
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307 if ( newfp == NULL ) { /* This happens on NT */ |
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308 #if !defined(stderr) |
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309 stderr = fopen(stderrPath, TEXT("w")); |
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310 #else |
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311 newfp = fopen(stderrPath, TEXT("w")); |
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312 if ( newfp ) { |
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313 *stderr = *newfp; |
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314 } |
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315 #endif |
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316 } |
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317 #endif /* _WIN32_WCE */ |
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318 |
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319 setvbuf(stdout, NULL, _IOLBF, BUFSIZ); /* Line buffered */ |
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320 setbuf(stderr, NULL); /* No buffering */ |
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321 #endif /* !NO_STDIO_REDIRECT */ |
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322 |
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323 #ifdef _WIN32_WCE |
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324 nLen = wcslen(szCmdLine)+128+1; |
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325 bufp = (wchar_t *)alloca(nLen*2); |
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326 wcscpy (bufp, TEXT("\"")); |
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327 GetModuleFileName(NULL, bufp+1, 128-3); |
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328 wcscpy (bufp+wcslen(bufp), TEXT("\" ")); |
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329 wcsncpy(bufp+wcslen(bufp), szCmdLine,nLen-wcslen(bufp)); |
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330 nLen = wcslen(bufp)+1; |
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331 cmdline = SDL_stack_alloc(wchar_t, nLen); |
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332 if ( cmdline == NULL ) { |
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333 return OutOfMemory(); |
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334 } |
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335 WideCharToMultiByte(CP_ACP, 0, bufp, -1, cmdline, nLen, NULL, NULL); |
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336 #else |
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337 /* Grab the command line (use alloca() on Windows) */ |
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338 bufp = GetCommandLine(); |
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339 nLen = SDL_strlen(bufp)+1; |
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340 cmdline = SDL_stack_alloc(char, nLen); |
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341 if ( cmdline == NULL ) { |
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342 return OutOfMemory(); |
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343 } |
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344 SDL_strlcpy(cmdline, bufp, nLen); |
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345 #endif |
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346 |
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347 /* Parse it into argv and argc */ |
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348 argc = ParseCommandLine(cmdline, NULL); |
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349 argv = SDL_stack_alloc(char*, argc+1); |
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350 if ( argv == NULL ) { |
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351 return OutOfMemory(); |
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352 } |
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353 ParseCommandLine(cmdline, argv); |
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354 |
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355 /* Run the main program (after a little SDL initialization) */ |
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356 retval = console_main(argc, argv); |
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357 |
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358 SDL_stack_free(cmdline); |
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359 SDL_stack_free(argv); |
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360 return retval; |
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361 } |