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Roberto Ierusalimschy
2011-06-20 13:35:23 -03:00
parent cb4950a6d8
commit f90a130b07
1 changed files with 2 additions and 2 deletions
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4
lbitlib.c
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@@ -1,5 +1,5 @@
/* /*
** $Id: lbitlib.c,v 1.14 2010/11/29 15:19:28 roberto Exp roberto $ ** $Id: lbitlib.c,v 1.15 2010/12/17 13:26:38 roberto Exp roberto $
** Standard library for bitwise operations ** Standard library for bitwise operations
** See Copyright Notice in lua.h ** See Copyright Notice in lua.h
*/ */
@@ -152,7 +152,7 @@ static int b_rrot (lua_State *L) {
static int fieldargs (lua_State *L, int farg, int *width) { static int fieldargs (lua_State *L, int farg, int *width) {
int f = luaL_checkint(L, farg); int f = luaL_checkint(L, farg);
int w = luaL_optint(L, farg + 1, 1); int w = luaL_optint(L, farg + 1, 1);
luaL_argcheck(L, 0 <= f, farg, "field cannot be netative"); luaL_argcheck(L, 0 <= f, farg, "field cannot be negative");
luaL_argcheck(L, 0 < w, farg + 1, "width must be positive"); luaL_argcheck(L, 0 < w, farg + 1, "width must be positive");
if (f + w > LUA_NBITS) if (f + w > LUA_NBITS)
luaL_error(L, "trying to access non-existent bits"); luaL_error(L, "trying to access non-existent bits");