Function luaS_newlstr

Source/Misc/lua/src/lua.c:9204–9222

TString *luaS_newlstr (lua_State *L, const char *str, size_t l) {
GCObject *o;
unsigned int h = cast(unsigned int, l);  /* seed */
size_t step = (l>>5)+1;  /* if string is too long, don't hash all its chars */
size_t l1;
for (l1=l; l1>=step; l1-=step)  /* compute hash */
h = h ^ ((h<<5)+(h>>2)+cast(unsigned char, str[l1-1]));
for (o = G(L)->strt.hash[lmod(h, G(L)->strt.size)];
o != NULL;
o = o->gch.next) {
TString *ts = rawgco2ts(o);
if (ts->tsv.len == l && (memcmp(str, getstr(ts), l) == 0)) {
/* string may be dead */
if (isdead(G(L), o)) changewhite(o);
return ts;
}
}
return newlstr(L, str, l, h);  /* not found */
}


Udata *luaS_newudata (lua_State *L, size_t s, Table *e) {