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table library respects '#' metamethods

This commit is contained in:
Roberto Ierusalimschy 2010-12-17 10:15:34 -02:00
parent c9af0768fc
commit fe0d54d37e
1 changed files with 4 additions and 4 deletions
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8
ltablib.c
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@ -1,5 +1,5 @@
/*
** $Id: ltablib.c,v 1.57 2010/10/25 19:01:37 roberto Exp roberto $
** $Id: ltablib.c,v 1.58 2010/11/23 17:21:14 roberto Exp roberto $
** Library for Table Manipulation
** See Copyright Notice in lua.h
*/
@ -17,7 +17,7 @@
#define aux_getn(L,n) \
(luaL_checktype(L, n, LUA_TTABLE), (int)lua_rawlen(L, n))
(luaL_checktype(L, n, LUA_TTABLE), luaL_len(L, n))
static int deprecatedfunc (lua_State *L) {
@ -104,7 +104,7 @@ static int tconcat (lua_State *L) {
const char *sep = luaL_optlstring(L, 2, "", &lsep);
luaL_checktype(L, 1, LUA_TTABLE);
i = luaL_optint(L, 3, 1);
last = luaL_opt(L, luaL_checkint, 4, (int)lua_rawlen(L, 1));
last = luaL_opt(L, luaL_checkint, 4, luaL_len(L, 1));
luaL_buffinit(L, &b);
for (; i < last; i++) {
addfield(L, &b, i);
@ -143,7 +143,7 @@ static int unpack (lua_State *L) {
int i, e, n;
luaL_checktype(L, 1, LUA_TTABLE);
i = luaL_optint(L, 2, 1);
e = luaL_opt(L, luaL_checkint, 3, (int)lua_rawlen(L, 1));
e = luaL_opt(L, luaL_checkint, 3, luaL_len(L, 1));
if (i > e) return 0; /* empty range */
n = e - i + 1; /* number of elements */
if (n <= 0 || !lua_checkstack(L, n)) /* n <= 0 means arith. overflow */