SDL  2.0
SDL_windows_main.c
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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 
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: */
SDL.h
SDL_SetMainReady
#define SDL_SetMainReady
Definition: SDL_dynapi_overrides.h:242
SDL_main.h
NULL
#define NULL
Definition: begin_code.h:167
result
GLuint64EXT * result
Definition: SDL_opengl_glext.h:9435
SDL_ShowSimpleMessageBox
#define SDL_ShowSimpleMessageBox
Definition: SDL_dynapi_overrides.h:244
WinMain
int CALLBACK WinMain(HINSTANCE, HINSTANCE, LPSTR, int)
Definition: SDL_winrt_main_NonXAML.cpp:51
SDL_free
#define SDL_free
Definition: SDL_dynapi_overrides.h:377
SDL_MESSAGEBOX_ERROR
@ SDL_MESSAGEBOX_ERROR
Definition: SDL_messagebox.h:39
SDL_calloc
#define SDL_calloc
Definition: SDL_dynapi_overrides.h:375
SDL_main
SDLMAIN_DECLSPEC int SDL_main(int argc, char *argv[])
i
return Display return Display Bool Bool int int int return Display XEvent Bool(*) XPointer return Display return Display Drawable _Xconst char unsigned int unsigned int return Display Pixmap Pixmap XColor XColor unsigned int unsigned int return Display _Xconst char char int char return Display Visual unsigned int int int char unsigned int unsigned int in i)
Definition: SDL_x11sym.h:50
FALSE
#define FALSE
Definition: edid-parse.c:34