Mercurial > sdl-ios-xcode
annotate src/main/win32/SDL_win32_main.c @ 2218:6cc82cad8b77
1.3 video API design chat
author | Sam Lantinga <slouken@libsdl.org> |
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date | Tue, 07 Aug 2007 07:08:25 +0000 |
parents | c121d94672cb |
children | 41a6675d8700 |
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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 #define WIN32_LEAN_AND_MEAN |
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11 #include <windows.h> |
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12 |
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13 /* Include the SDL main definition header */ |
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14 #include "SDL.h" |
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15 #include "SDL_main.h" |
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16 |
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17 #ifdef main |
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18 # ifndef _WIN32_WCE_EMULATION |
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19 # undef main |
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20 # endif /* _WIN32_WCE_EMULATION */ |
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21 #endif /* main */ |
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22 |
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23 #if defined(_WIN32_WCE) && _WIN32_WCE < 300 |
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24 /* seems to be undefined in Win CE although in online help */ |
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25 #define isspace(a) (((CHAR)a == ' ') || ((CHAR)a == '\t')) |
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26 #endif /* _WIN32_WCE < 300 */ |
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27 |
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28 /* Parse a command line buffer into arguments */ |
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29 static int |
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30 ParseCommandLine(char *cmdline, char **argv) |
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31 { |
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32 char *bufp; |
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33 int argc; |
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34 |
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35 argc = 0; |
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36 for (bufp = cmdline; *bufp;) { |
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37 /* Skip leading whitespace */ |
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38 while (isspace(*bufp)) { |
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39 ++bufp; |
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40 } |
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41 /* Skip over argument */ |
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42 if (*bufp == '"') { |
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43 ++bufp; |
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44 if (*bufp) { |
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45 if (argv) { |
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46 argv[argc] = bufp; |
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47 } |
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48 ++argc; |
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49 } |
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50 /* Skip over word */ |
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51 while (*bufp && (*bufp != '"')) { |
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52 ++bufp; |
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53 } |
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54 } else { |
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55 if (*bufp) { |
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56 if (argv) { |
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57 argv[argc] = bufp; |
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58 } |
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59 ++argc; |
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60 } |
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61 /* Skip over word */ |
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62 while (*bufp && !isspace(*bufp)) { |
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63 ++bufp; |
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64 } |
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65 } |
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66 if (*bufp) { |
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67 if (argv) { |
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68 *bufp = '\0'; |
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69 } |
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70 ++bufp; |
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71 } |
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72 } |
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73 if (argv) { |
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74 argv[argc] = NULL; |
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75 } |
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76 return (argc); |
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77 } |
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78 |
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79 /* Show an error message */ |
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80 static void |
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81 ShowError(const char *title, const char *message) |
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82 { |
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83 /* If USE_MESSAGEBOX is defined, you need to link with user32.lib */ |
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84 #ifdef USE_MESSAGEBOX |
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85 MessageBox(NULL, message, title, MB_ICONEXCLAMATION | MB_OK); |
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86 #else |
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87 fprintf(stderr, "%s: %s\n", title, message); |
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88 #endif |
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89 } |
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90 |
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91 /* Pop up an out of memory message, returns to Windows */ |
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92 static BOOL |
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93 OutOfMemory(void) |
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94 { |
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95 ShowError("Fatal Error", "Out of memory - aborting"); |
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96 return FALSE; |
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97 } |
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98 |
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99 #if defined(_MSC_VER) && !defined(_WIN32_WCE) |
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100 /* The VC++ compiler needs main defined */ |
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101 #define console_main main |
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102 #endif |
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103 |
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104 /* This is where execution begins [console apps] */ |
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105 int |
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106 console_main(int argc, char *argv[]) |
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107 { |
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108 int status; |
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109 |
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110 /* Run the application main() code */ |
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111 status = SDL_main(argc, argv); |
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112 |
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113 /* Exit cleanly, calling atexit() functions */ |
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114 exit(status); |
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115 |
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116 /* Hush little compiler, don't you cry... */ |
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117 return 0; |
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118 } |
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119 |
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120 /* This is where execution begins [windowed apps] */ |
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121 int WINAPI |
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122 WinMain(HINSTANCE hInst, HINSTANCE hPrev, LPTSTR szCmdLine, int sw) |
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123 { |
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124 char **argv; |
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125 int argc; |
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126 char *cmdline; |
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127 #ifdef _WIN32_WCE |
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128 wchar_t *bufp; |
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129 int nLen; |
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130 #else |
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131 char *bufp; |
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132 size_t nLen; |
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133 #endif |
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134 |
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135 #ifdef _WIN32_WCE |
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136 nLen = wcslen(szCmdLine) + 128 + 1; |
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137 bufp = SDL_stack_alloc(wchar_t, nLen * 2); |
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138 wcscpy(bufp, TEXT("\"")); |
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139 GetModuleFileName(NULL, bufp + 1, 128 - 3); |
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140 wcscpy(bufp + wcslen(bufp), TEXT("\" ")); |
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141 wcsncpy(bufp + wcslen(bufp), szCmdLine, nLen - wcslen(bufp)); |
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142 nLen = wcslen(bufp) + 1; |
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143 cmdline = SDL_stack_alloc(char, nLen); |
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144 if (cmdline == NULL) { |
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145 return OutOfMemory(); |
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146 } |
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147 WideCharToMultiByte(CP_ACP, 0, bufp, -1, cmdline, nLen, NULL, NULL); |
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148 #else |
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149 /* Grab the command line */ |
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150 bufp = GetCommandLine(); |
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151 nLen = SDL_strlen(bufp) + 1; |
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152 cmdline = SDL_stack_alloc(char, nLen); |
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153 if (cmdline == NULL) { |
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154 return OutOfMemory(); |
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155 } |
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156 SDL_strlcpy(cmdline, bufp, nLen); |
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157 #endif |
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158 |
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159 /* Parse it into argv and argc */ |
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160 argc = ParseCommandLine(cmdline, NULL); |
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161 argv = SDL_stack_alloc(char *, argc + 1); |
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162 if (argv == NULL) { |
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163 return OutOfMemory(); |
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164 } |
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165 ParseCommandLine(cmdline, argv); |
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166 |
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167 /* Run the main program */ |
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168 console_main(argc, argv); |
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169 |
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170 /* Hush little compiler, don't you cry... */ |
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171 return 0; |
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172 } |
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173 |
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174 /* vi: set ts=4 sw=4 expandtab: */ |