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win32: apply HerrDoktorTuba patch 2787336 for better commandline parsing

This commit is contained in:
zeromus 2009-05-05 17:45:13 +00:00
parent 8057953b1c
commit cec7b68614
1 changed files with 67 additions and 7 deletions
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74
desmume/src/windows/main.cpp
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@ -1855,17 +1855,77 @@ int WINAPI WinMain (HINSTANCE hThisInstance,
if (lpszArgument[0] == '\"')
sscanf(lpszArgument, "\"%[^\"]\"", lpszArgument);
// Reparse arguments to isolate the ROM filename in the command line
// This should allow for both a filename and a '--xyz' option to be present on the command line.
// If this is not done, loading the ROM fails as all supplied options are considered part of the filename.
if (lpszArgument[0])
{
#ifdef EXPERIMENTAL_GBASLOT
if(LoadROM(lpszArgument))
#else
if(LoadROM(lpszArgument, bad_glob_cflash_disk_image_file))
#endif
BOOL filename_found = FALSE;
const char *delimiters = " ";
char *context = NULL;
char *arg_token = NULL;
char *dup_arglist = strdup(lpszArgument);
arg_token = strtok_s(dup_arglist, delimiters, &context);
while ( (filename_found == FALSE) & (arg_token != NULL) )
{
romloaded = TRUE;
NDS_UnPause();
// A token was found. Its extension will be compared to the known extensions.
// We first must search for a dot, starting from the end of the token.
char *dot_position = NULL;
if ( (dot_position = strrchr(arg_token, '.')) != NULL )
{
// Look for a known extension
if ( !stricmp(dot_position, ".nds") )
{
filename_found = TRUE;
}
if ( !stricmp(dot_position, ".gba") )
{
// The name ends with ".gba", check if it actually ends with ".ds.gba"
if ( strlen(arg_token) > 7 )
{
if ( !stricmp(dot_position-3, ".ds.gba") )
{
filename_found = TRUE;
}
}
}
}
if ( filename_found == TRUE )
{
// Try to open the file in read-only mode
HANDLE test_file_open = CreateFile(arg_token, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if ( test_file_open == INVALID_HANDLE_VALUE )
{
// Cannot open the file, reset filename_found to continue iterating
filename_found = FALSE;
}
else
{
// The file can be opened and it ends with a plausible extension.
// This is probably the one that should be opened.
CloseHandle(test_file_open);
break;
}
}
// Find the next token in the argument list
arg_token = strtok_s(NULL, delimiters, &context);
}
if ( filename_found == TRUE )
{
#ifdef EXPERIMENTAL_GBASLOT
if(LoadROM(arg_token))
#else
if(LoadROM(arg_token, bad_glob_cflash_disk_image_file))
#endif
{
romloaded = TRUE;
NDS_UnPause();
}
}
free(dup_arglist);
}
MainWindow->Show(SW_NORMAL);