GumboTag gumbo_tagn_enum(const char* tagname, int length) {
int position = perfhash((const unsigned char *)tagname, length);
if (position >= 0 &&
length == kGumboTagSizes[position] &&
!case_memcmp(tagname, kGumboTagNames[position], length))
return (GumboTag)position;
return GUMBO_TAG_UNKNOWN;
}
bool
solve(TTile* tiles, TPlacement* p, int* start, int end)
{
int i;
int at;
for(i = *start; i < end; i++){
perfhash(i, p->fPermutation);
at = -1;
while(rotate(at, p->fRotation)){
at = failed_at(tiles, p);
if (at < 0){
*start = i;
return true;
}
}
// may miss solution after solution.
}
*start = i;
return false;
}
