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uses return value from lua_getfield

This commit is contained in:
Roberto Ierusalimschy 2014-11-12 11:31:51 -02:00
parent 4fde357130
commit 52c0f9575b
1 changed files with 3 additions and 3 deletions
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6
loadlib.c
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@ -1,5 +1,5 @@
/* /*
** $Id: loadlib.c,v 1.121 2014/11/03 15:11:10 roberto Exp roberto $ ** $Id: loadlib.c,v 1.122 2014/11/10 14:28:31 roberto Exp roberto $
** Dynamic library loader for Lua ** Dynamic library loader for Lua
** See Copyright Notice in lua.h ** See Copyright Notice in lua.h
** **
@ -518,8 +518,8 @@ static void findloader (lua_State *L, const char *name) {
int i; int i;
luaL_Buffer msg; /* to build error message */ luaL_Buffer msg; /* to build error message */
luaL_buffinit(L, &msg); luaL_buffinit(L, &msg);
lua_getfield(L, lua_upvalueindex(1), "searchers"); /* will be at index 3 */ /* push 'package.searchers' to index 3 in the stack */
if (!lua_istable(L, 3)) if (lua_getfield(L, lua_upvalueindex(1), "searchers") != LUA_TTABLE)
luaL_error(L, "'package.searchers' must be a table"); luaL_error(L, "'package.searchers' must be a table");
/* iterate over available searchers to find a loader */ /* iterate over available searchers to find a loader */
for (i = 1; ; i++) { for (i = 1; ; i++) {