mxwcore-wotlk/deps/g3dlite/source/WinMain.cpp

160 lines
3.8 KiB
C++

/*
Dervied from SDL_main.c, which was placed in the public domain by Sam Lantinga 4/13/98
The WinMain function -- calls your program's main() function
*/
#include "G3D/platform.h"
#ifdef G3D_WINDOWS
#include <stdio.h>
#include <stdlib.h>
#include <cctype>
#ifdef main
# ifndef _WIN32_WCE_EMULATION
# undef main
# endif /* _WIN32_WCE_EMULATION */
#endif /* main */
#if defined(_WIN32_WCE) && _WIN32_WCE < 300
/* seems to be undefined in Win CE although in online help */
#define isspace(a) (((CHAR)a == ' ') || ((CHAR)a == '\t'))
#endif /* _WIN32_WCE < 300 */
// Turn off the G3D for loop scoping for C++
#ifdef for
# undef for
#endif
extern int main(int argc, const char** argv);
/* Parse a command line buffer into arguments */
static int ParseCommandLine(char *cmdline, char **argv) {
char *bufp;
int argc;
argc = 0;
for (bufp = cmdline; *bufp;) {
/* Skip leading whitespace */
while (isspace(*bufp)) {
++bufp;
}
/* Skip over argument */
if (*bufp == '"') {
++bufp;
if (*bufp) {
if (argv) {
argv[argc] = bufp;
}
++argc;
}
/* Skip over word */
while (*bufp && (*bufp != '"')) {
++bufp;
}
} else {
if (*bufp) {
if (argv) {
argv[argc] = bufp;
}
++argc;
}
/* Skip over word */
while (*bufp && !isspace(*bufp)) {
++bufp;
}
}
if (*bufp) {
if (argv) {
*bufp = '\0';
}
++bufp;
}
}
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;
}
int WINAPI G3D_WinMain(HINSTANCE hInst, HINSTANCE hPrev, LPSTR szCmdLine, int sw) {
char **argv;
int argc;
int status;
char *cmdline;
# ifdef _WIN32_WCE
wchar_t *bufp;
int nLen;
# else
char *bufp;
size_t nLen;
# endif
(void)sw;
(void)szCmdLine;
(void)hInst;
(void)hPrev;
#ifdef _WIN32_WCE
#error WinCE not supported
/*
nLen = wcslen(szCmdLine) + 128 + 1;
bufp = SDL_stack_alloc(wchar_t, nLen * 2);
wcscpy(bufp, TEXT("\""));
GetModuleFileName(NULL, bufp + 1, 128 - 3);
wcscpy(bufp + wcslen(bufp), TEXT("\" "));
wcsncpy(bufp + wcslen(bufp), szCmdLine, nLen - wcslen(bufp));
nLen = wcslen(bufp) + 1;
cmdline = SDL_stack_alloc(char, nLen);
if (cmdline == NULL) {
return OutOfMemory();
}
WideCharToMultiByte(CP_ACP, 0, bufp, -1, cmdline, nLen, NULL, NULL);
*/
#else
/* Grab the command line */
bufp = GetCommandLineA();
nLen = strlen(bufp) + 1;
cmdline = (char*)malloc(sizeof(char) * nLen);
if (cmdline == NULL) {
return OutOfMemory();
}
strncpy(cmdline, bufp, nLen);
#endif
/* Parse it into argv and argc */
argc = ParseCommandLine(cmdline, NULL);
argv = (char**)malloc(sizeof(char*) * (argc + 1));
if (argv == NULL) {
return OutOfMemory();
}
ParseCommandLine(cmdline, argv);
/* Run the main program */
status = main(argc, (const char**)argv);
free(argv);
free(cmdline);
return status;
}
#endif // if Win32