/* Creates a file that does not exist and fills in filename with its name.
filename must point to FILENAME_MAX characters buffer which doesn't need
to be initialized. */
FILE *Util_uniqopen(char *filename, const char *mode)
{
/* We cannot simply call tmpfile(), because we don't want the file
to be deleted when we close it, and we need the filename. */
#if defined(HAVE_MKSTEMP) && defined(HAVE_FDOPEN)
/* this is the only implementation without a race condition */
strcpy(filename, "a8XXXXXX");
/* mkstemp() modifies the 'X'es and returns an open descriptor */
return fdopen(mkstemp(filename), mode);
#elif defined(HAVE_TMPNAM)
/* tmpnam() is better than mktemp(), because it creates filenames
in system's temporary directory. It is also more portable. */
return fopen(tmpnam(filename), mode);
#elif defined(HAVE_MKTEMP)
strcpy(filename, "a8XXXXXX");
/* mktemp() modifies the 'X'es and returns filename */
return fopen(mktemp(filename), mode);
#else
/* Roll-your-own */
int no;
for (no = 0; no < 1000000; no++) {
snprintf(filename, FILENAME_MAX, "a8%06d", no);
if (!Util_fileexists(filename))
return fopen(filename, mode);
}
return NULL;
#endif
}
/*
* Starts the emulator for the specified snapshot file.
*
* savefile The name of the save file to load.
*/
BOOL wii_start_snapshot( char *savefile )
{
BOOL succeeded = FALSE;
BOOL seterror = FALSE;
// Determine the extension
char ext[WII_MAX_PATH];
Util_getextension( savefile, ext );
if( !strcmp( ext, WII_SAVE_GAME_EXT ) )
{
char savename[WII_MAX_PATH];
// Get the save name (without extension)
Util_splitpath( savefile, NULL, savename );
int namelen = strlen( savename );
int extlen = strlen( WII_SAVE_GAME_EXT );
if( namelen > extlen )
{
// build the associated rom name
savename[namelen - extlen - 1] = '\0';
char romfile[WII_MAX_PATH];
snprintf( romfile, WII_MAX_PATH, "%s%s", wii_get_roms_dir(), savename );
int exists = Util_fileexists( romfile );
// Ensure the rom exists
if( !exists )
{
wii_set_status_message(
"Unable to find associated ROM file." );
seterror = TRUE;
}
else
{
// launch the emulator for the save
wii_start_emulation( romfile, savefile );
succeeded = TRUE;
}
}
}
if( !succeeded && !seterror )
{
wii_set_status_message(
"The file selected is not a valid saved state file." );
}
return succeeded;
}
