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detail (added assertion)

This commit is contained in:
Roberto Ierusalimschy 2015-10-08 12:53:31 -03:00
parent 880df57e52
commit df45f7118b
1 changed files with 2 additions and 1 deletions
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3
lstring.c
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@ -1,5 +1,5 @@
/* /*
** $Id: lstring.c,v 2.52 2015/09/17 15:51:05 roberto Exp roberto $ ** $Id: lstring.c,v 2.53 2015/09/22 14:18:24 roberto Exp roberto $
** String table (keeps all strings handled by Lua) ** String table (keeps all strings handled by Lua)
** See Copyright Notice in lua.h ** See Copyright Notice in lua.h
*/ */
@ -160,6 +160,7 @@ static TString *internshrstr (lua_State *L, const char *str, size_t l) {
global_State *g = G(L); global_State *g = G(L);
unsigned int h = luaS_hash(str, l, g->seed); unsigned int h = luaS_hash(str, l, g->seed);
TString **list = &g->strt.hash[lmod(h, g->strt.size)]; TString **list = &g->strt.hash[lmod(h, g->strt.size)];
lua_assert(str != NULL); /* otherwise 'memcmp'/'memcpy' are undefined */
for (ts = *list; ts != NULL; ts = ts->u.hnext) { for (ts = *list; ts != NULL; ts = ts->u.hnext) {
if (l == ts->shrlen && if (l == ts->shrlen &&
(memcmp(str, getstr(ts), l * sizeof(char)) == 0)) { (memcmp(str, getstr(ts), l * sizeof(char)) == 0)) {