PointerWrapSection PointerWrap::Section(const char *title, int minVer, int ver) {
char marker[16] = {0};
int foundVersion = ver;
// This is strncpy because we rely on its weird non-null-terminating truncation behaviour.
// Can't replace it with the more sensible truncate_cpy because that would break savestates.
strncpy(marker, title, sizeof(marker));
if (!ExpectVoid(marker, sizeof(marker)))
{
// Might be before we added name markers for safety.
if (foundVersion == 1 && ExpectVoid(&foundVersion, sizeof(foundVersion)))
DoMarker(title);
// Wasn't found, but maybe we can still load the state.
else
foundVersion = 0;
}
else
Do(foundVersion);
if (error == ERROR_FAILURE || foundVersion < minVer || foundVersion > ver) {
WARN_LOG(SAVESTATE, "Savestate failure: wrong version %d found for %s", foundVersion, title);
SetError(ERROR_FAILURE);
return PointerWrapSection(*this, -1, title);
}
return PointerWrapSection(*this, foundVersion, title);
}
PointerWrapSection PointerWrap::Section(const char *title, int minVer, int ver) {
char marker[16] = {0};
int foundVersion = ver;
strncpy(marker, title, sizeof(marker));
if (!ExpectVoid(marker, sizeof(marker)))
{
// Might be before we added name markers for safety.
if (foundVersion == 1 && ExpectVoid(&foundVersion, sizeof(foundVersion)))
DoMarker(title);
// Wasn't found, but maybe we can still load the state.
else
foundVersion = 0;
}
else
Do(foundVersion);
if (error == ERROR_FAILURE || foundVersion < minVer || foundVersion > ver) {
WARN_LOG(COMMON, "Savestate failure: wrong version %d found for %s", foundVersion, title);
SetError(ERROR_FAILURE);
return PointerWrapSection(*this, -1, title);
}
return PointerWrapSection(*this, foundVersion, title);
}
void PointerWrap::Do(tm &t) {
// We savestate this separately because some platforms use extra data at the end.
// However, old files may have the native tm in them.
// Since the first value in the struct is 0-59, we save a funny value and check for it.
// If our funny value ('tm' 0x1337) exists, it's a new version savestate.
int funnyValue = 0x13376D74;
if (ExpectVoid(&funnyValue, sizeof(funnyValue))) {
standard_tm stm;
if (mode == MODE_READ) {
// Null out the extra members, e.g. tm_gmtoff or tm_zone.
memset(&t, 0, sizeof(t));
} else {
memcpy(&stm, &t, sizeof(stm));
}
DoVoid((void *)&stm, sizeof(stm));
memcpy(&t, &stm, sizeof(stm));
} else {
DoVoid((void *)&t, sizeof(t));
}
}
