avoid some warnings

This commit is contained in:
Roberto Ierusalimschy
2005-10-19 11:05:11 -02:00
parent 5511bf6b9d
commit ed7039024d
4 changed files with 11 additions and 9 deletions

View File

@@ -1,5 +1,5 @@
/*
** $Id: lstrlib.c,v 1.123 2005/08/26 17:36:32 roberto Exp roberto $
** $Id: lstrlib.c,v 1.124 2005/09/19 13:49:12 roberto Exp roberto $
** Standard library for string operations and pattern-matching
** See Copyright Notice in lua.h
*/
@@ -111,7 +111,9 @@ static int str_byte (lua_State *L) {
if (posi <= 0) posi = 1;
if ((size_t)pose > l) pose = l;
if (posi > pose) return 0; /* empty interval; return no values */
n = pose - posi + 1;
n = (int)(pose - posi + 1);
if (posi + n <= pose) /* overflow? */
luaL_error(L, "string slice too long");
luaL_checkstack(L, n, "string slice too long");
for (i=0; i<n; i++)
lua_pushinteger(L, uchar(s[posi+i-1]));