sdl

FORK: Simple Directmedia Layer
git clone https://git.neptards.moe/neptards/sdl.git
Log | Files | Refs

SDL_windows_main.c (2410B)

      1 /*
      2     SDL_windows_main.c, placed in the public domain by Sam Lantinga  4/13/98
      3 
      4     The WinMain function -- calls your program's main() function
      5 */
      6 #include "SDL_config.h"
      7 
      8 #ifdef __WIN32__
      9 
     10 /* Include this so we define UNICODE properly */
     11 #include "../../core/windows/SDL_windows.h"
     12 #include <shellapi.h> /* CommandLineToArgvW() */
     13 
     14 /* Include the SDL main definition header */
     15 #include "SDL.h"
     16 #include "SDL_main.h"
     17 
     18 #ifdef main
     19 #  undef main
     20 #endif /* main */
     21 
     22 #define WIN_WStringToUTF8(S) SDL_iconv_string("UTF-8", "UTF-16LE", (char *)(S), (SDL_wcslen(S)+1)*sizeof(WCHAR))
     23 
     24 /* Pop up an out of memory message, returns to Windows */
     25 static BOOL
     26 OutOfMemory(void)
     27 {
     28     SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Fatal Error", "Out of memory - aborting", NULL);
     29     return FALSE;
     30 }
     31 
     32 #if defined(_MSC_VER)
     33 /* The VC++ compiler needs main/wmain defined */
     34 # define console_ansi_main main
     35 # if UNICODE
     36 #  define console_wmain wmain
     37 # endif
     38 #endif
     39 
     40 /* Gets the arguments with GetCommandLine, converts them to argc and argv
     41    and calls SDL_main */
     42 static int
     43 main_getcmdline(void)
     44 {
     45     LPWSTR *argvw;
     46     char **argv;
     47     int i, argc, result;
     48 
     49     argvw = CommandLineToArgvW(GetCommandLineW(), &argc);
     50     if (argvw == NULL) {
     51         return OutOfMemory();
     52     }
     53 
     54     /* Parse it into argv and argc */
     55     argv = (char **)SDL_calloc(argc + 1, sizeof(*argv));
     56     if (!argv) {
     57         return OutOfMemory();
     58     }
     59     for (i = 0; i < argc; ++i) {
     60         argv[i] = WIN_WStringToUTF8(argvw[i]);
     61         if (!argv[i]) {
     62             return OutOfMemory();
     63         }
     64     }
     65     argv[i] = NULL;
     66     LocalFree(argvw);
     67 
     68     SDL_SetMainReady();
     69 
     70     /* Run the application main() code */
     71     result = SDL_main(argc, argv);
     72 
     73     /* Free argv, to avoid memory leak */
     74     for (i = 0; i < argc; ++i) {
     75         SDL_free(argv[i]);
     76     }
     77     SDL_free(argv);
     78 
     79     return result;
     80 }
     81 
     82 /* This is where execution begins [console apps, ansi] */
     83 int
     84 console_ansi_main(int argc, char *argv[])
     85 {
     86     return main_getcmdline();
     87 }
     88 
     89 
     90 #if UNICODE
     91 /* This is where execution begins [console apps, unicode] */
     92 int
     93 console_wmain(int argc, wchar_t *wargv[], wchar_t *wenvp)
     94 {
     95     return main_getcmdline();
     96 }
     97 #endif
     98 
     99 /* This is where execution begins [windowed apps] */
    100 int WINAPI
    101 WinMain(HINSTANCE hInst, HINSTANCE hPrev, LPSTR szCmdLine, int sw)
    102 {
    103     return main_getcmdline();
    104 }
    105 
    106 #endif /* __WIN32__ */
    107 
    108 /* vi: set ts=4 sw=4 expandtab: */