kc3-lang/SDL/src/main/windows/SDL_windows_main.c

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• Hash : d1bde399
  Author :
  Date : 2013-10-20T20:24:00
  

  Backed out changeset 737771c47c6f, done testing Buildbot changes.

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• src/main/windows/SDL_windows_main.c

• /*
      SDL_main.c, placed in the public domain by Sam Lantinga  4/13/98
  
      The WinMain function -- calls your program's main() function
  */
  #include "SDL_config.h"
  
  #ifdef __WIN32__
  
  /* Include this so we define UNICODE properly */
  #include "../../core/windows/SDL_windows.h"
  
  #include <stdio.h>
  #include <stdlib.h>
  
  /* Include the SDL main definition header */
  #include "SDL.h"
  #include "SDL_main.h"
  
  #ifdef main
  #  undef main
  #endif /* main */
  
  static void
  UnEscapeQuotes(char *arg)
  {
      char *last = NULL;
  
      while (*arg) {
          if (*arg == '"' && (last != NULL && *last == '\\')) {
              char *c_curr = arg;
              char *c_last = last;
  
              while (*c_curr) {
                  *c_last = *c_curr;
                  c_last = c_curr;
                  c_curr++;
              }
              *c_last = '\0';
          }
          last = arg;
          arg++;
      }
  }
  
  /* Parse a command line buffer into arguments */
  static int
  ParseCommandLine(char *cmdline, char **argv)
  {
      char *bufp;
      char *lastp = NULL;
      int argc, last_argc;
  
      argc = last_argc = 0;
      for (bufp = cmdline; *bufp;) {
          /* Skip leading whitespace */
          while (SDL_isspace(*bufp)) {
              ++bufp;
          }
          /* Skip over argument */
          if (*bufp == '"') {
              ++bufp;
              if (*bufp) {
                  if (argv) {
                      argv[argc] = bufp;
                  }
                  ++argc;
              }
              /* Skip over word */
              lastp = bufp;
              while (*bufp && (*bufp != '"' || *lastp == '\\')) {
                  lastp = bufp;
                  ++bufp;
              }
          } else {
              if (*bufp) {
                  if (argv) {
                      argv[argc] = bufp;
                  }
                  ++argc;
              }
              /* Skip over word */
              while (*bufp && !SDL_isspace(*bufp)) {
                  ++bufp;
              }
          }
          if (*bufp) {
              if (argv) {
                  *bufp = '\0';
              }
              ++bufp;
          }
  
          /* Strip out \ from \" sequences */
          if (argv && last_argc != argc) {
              UnEscapeQuotes(argv[last_argc]);
          }
          last_argc = argc;
      }
      if (argv) {
          argv[argc] = NULL;
      }
      return (argc);
  }
  
  /* Show an error message */
  static void
  ShowError(const char *title, const char *message)
  {
  /* If USE_MESSAGEBOX is defined, you need to link with user32.lib */
  #ifdef USE_MESSAGEBOX
      MessageBox(NULL, message, title, MB_ICONEXCLAMATION | MB_OK);
  #else
      fprintf(stderr, "%s: %s\n", title, message);
  #endif
  }
  
  /* Pop up an out of memory message, returns to Windows */
  static BOOL
  OutOfMemory(void)
  {
      ShowError("Fatal Error", "Out of memory - aborting");
      return FALSE;
  }
  
  #if defined(_MSC_VER)
  /* The VC++ compiler needs main defined */
  #define console_main main
  #endif
  
  /* This is where execution begins [console apps] */
  int
  console_main(int argc, char *argv[])
  {
      int status;
  
      SDL_SetMainReady();
  
      /* Run the application main() code */
      status = SDL_main(argc, argv);
  
      /* Exit cleanly, calling atexit() functions */
      exit(status);
  
      /* Hush little compiler, don't you cry... */
      return 0;
  }
  
  /* This is where execution begins [windowed apps] */
  int WINAPI
  WinMain(HINSTANCE hInst, HINSTANCE hPrev, LPSTR szCmdLine, int sw)
  {
      char **argv;
      int argc;
      char *cmdline;
  
      /* Grab the command line */
      TCHAR *text = GetCommandLine();
  #if UNICODE
      cmdline = SDL_iconv_string("UTF-8", "UCS-2-INTERNAL", (char *)(text), (SDL_wcslen(text)+1)*sizeof(WCHAR));
  #else
      cmdline = SDL_strdup(text);
  #endif
      if (cmdline == NULL) {
          return OutOfMemory();
      }
  
      /* Parse it into argv and argc */
      argc = ParseCommandLine(cmdline, NULL);
      argv = SDL_stack_alloc(char *, argc + 1);
      if (argv == NULL) {
          return OutOfMemory();
      }
      ParseCommandLine(cmdline, argv);
  
      /* Run the main program */
      console_main(argc, argv);
  
      SDL_stack_free(argv);
  
      SDL_free(cmdline);
  
      /* Hush little compiler, don't you cry... */
      return 0;
  }
  
  #endif /* __WIN32__ */
  
  /* vi: set ts=4 sw=4 expandtab: */
  

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