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use unsigneds for unary minus, too

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This commit is contained in:
Roberto Ierusalimschy
2013-07-10 14:15:12 -03:00
parent b5f5fcd782
commit 2f8c51a552
3 changed files with 8 additions and 9 deletions
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4
lbaselib.c
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@@ -1,5 +1,5 @@
/*
** $Id: lbaselib.c,v 1.278 2013/07/05 14:35:49 roberto Exp roberto $
** $Id: lbaselib.c,v 1.279 2013/07/05 14:39:15 roberto Exp roberto $
** Basic library
** See Copyright Notice in lua.h
*/
@@ -63,7 +63,7 @@ static int b_str2int (const char *s, const char *e, int base, lua_Integer *pn) {
s += strspn(s, SPACECHARS); /* skip trailing spaces */
if (s != e) /* invalid trailing characters? */
return 0;
*pn = (neg) ? -(lua_Integer)n : (lua_Integer)n;
*pn = (lua_Integer)((neg) ? (0u - n) : n);
return 1;
}