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avoid warnings with -Wstrict-overflow

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This commit is contained in:
Roberto Ierusalimschy
2011-06-09 15:24:22 -03:00
parent c9d1d9f9c6
commit f62565abea
2 changed files with 10 additions and 8 deletions
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7
ltable.c
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@@ -1,5 +1,5 @@
/*
** $Id: ltable.c,v 2.57 2011/05/31 18:27:56 roberto Exp roberto $
** $Id: ltable.c,v 2.58 2011/06/02 19:31:40 roberto Exp roberto $
** Lua tables (hash)
** See Copyright Notice in lua.h
*/
@@ -88,8 +88,9 @@ static Node *hashnum (const Table *t, lua_Number n) {
int i;
luai_hashnum(i, n);
if (i < 0) {
i = -i; /* must be a positive value */
if (i < 0) i = 0; /* handle INT_MIN */
if ((unsigned int)i == -(unsigned int)i)
i = 0; /* handle INT_MIN */
i = -i; /* must be a positive value */
}
return hashmod(t, i);
}