lua

commit d6f5fb2d2c5cfeab1e0aaddac7f121a909eb9408
parent 7c4cc505dbf67f9a0c09583588c9697d9f239a07
Author: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date:   Thu, 20 Jun 2013 12:12:18 -0300

avoid warning for unary minus over an unsigned value

Diffstat:
M
lapi.c
 | 
4
++--

1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/lapi.c b/lapi.c
@@ -1,5 +1,5 @@
 /*
-** $Id: lapi.c,v 2.182 2013/06/14 18:32:45 roberto Exp roberto $
+** $Id: lapi.c,v 2.183 2013/06/20 15:02:49 roberto Exp roberto $
 ** Lua API
 ** See Copyright Notice in lua.h
 */
@@ -399,7 +399,7 @@ LUA_API lua_Unsigned lua_tounsignedx (lua_State *L, int idx, int *pisnum) {
       if (luai_numisnan(L,n))   /* not a number? */
         break;  /* not an integer, too */
       res = cast_unsigned(n);
-      if (neg) res = -res;
+      if (neg) res = 0u - res;
       isnum = 1;
       break;
     }