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avoid comparisons between (void *) and (int *)

This commit is contained in:
Roberto Ierusalimschy 2005-10-17 16:01:51 -02:00
parent 86704cffe9
commit 5511bf6b9d
1 changed files with 6 additions and 5 deletions
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11
loadlib.c
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@ -1,5 +1,5 @@
/*
** $Id: loadlib.c,v 1.46 2005/10/03 14:36:45 roberto Exp roberto $
** $Id: loadlib.c,v 1.47 2005/10/06 20:46:10 roberto Exp roberto $
** Dynamic library loader for Lua
** See Copyright Notice in lua.h
**
@ -442,7 +442,8 @@ static int loader_preload (lua_State *L) {
}
static const int sentinel = 0;
static const int sentinel_ = 0;
#define sentinel ((void *)&sentinel_)
static int ll_require (lua_State *L) {
@ -452,7 +453,7 @@ static int ll_require (lua_State *L) {
lua_getfield(L, LUA_REGISTRYINDEX, "_LOADED");
lua_getfield(L, 2, name);
if (lua_toboolean(L, -1)) { /* is it there? */
if (lua_touserdata(L, -1) == &sentinel) /* check loops */
if (lua_touserdata(L, -1) == sentinel) /* check loops */
luaL_error(L, "loop or previous error loading module " LUA_QS, name);
return 1; /* package is already loaded */
}
@ -469,14 +470,14 @@ static int ll_require (lua_State *L) {
if (lua_isnil(L, -1)) lua_pop(L, 1); /* did not found module */
else break; /* module loaded successfully */
}
lua_pushlightuserdata(L, (void *)&sentinel);
lua_pushlightuserdata(L, sentinel);
lua_setfield(L, 2, name); /* _LOADED[name] = sentinel */
lua_pushstring(L, name); /* pass name as argument to module */
lua_call(L, 1, 1); /* run loaded module */
if (!lua_isnil(L, -1)) /* non-nil return? */
lua_setfield(L, 2, name); /* _LOADED[name] = returned value */
lua_getfield(L, 2, name);
if (lua_touserdata(L, -1) == &sentinel) { /* module did not set a value? */
if (lua_touserdata(L, -1) == sentinel) { /* module did not set a value? */
lua_pushboolean(L, 1); /* use true as result */
lua_pushvalue(L, -1); /* extra copy to be returned */
lua_setfield(L, 2, name); /* _LOADED[name] = true */