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new constant 'LUA_GNAME' for the name of the global table "_G"

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Roberto Ierusalimschy
2017-06-27 15:32:49 -03:00
parent 124bfd2081
commit 5a1c8d8ef3
5 changed files with 14 additions and 10 deletions
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4
lauxlib.c
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@@ -1,5 +1,5 @@
/*
** $Id: lauxlib.c,v 1.289 2016/12/20 18:37:00 roberto Exp roberto $
** $Id: lauxlib.c,v 1.290 2017/04/24 18:06:12 roberto Exp roberto $
** Auxiliary functions for building Lua libraries
** See Copyright Notice in lua.h
*/
@@ -76,7 +76,7 @@ static int pushglobalfuncname (lua_State *L, lua_Debug *ar) {
lua_getfield(L, LUA_REGISTRYINDEX, LUA_LOADED_TABLE);
if (findfield(L, top + 1, 2)) {
const char *name = lua_tostring(L, -1);
if (strncmp(name, "_G.", 3) == 0) { /* name start with '_G.'? */
if (strncmp(name, LUA_GNAME ".", 3) == 0) { /* name start with '_G.'? */
lua_pushstring(L, name + 3); /* push name without prefix */
lua_remove(L, -2); /* remove original name */
}