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detail (better error messages for light userdata)

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Roberto Ierusalimschy 2014-02-19 10:48:53 -03:00
parent 3f78de256e
commit a4c6dcf999
1 changed files with 3 additions and 1 deletions
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4
lauxlib.c
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@ -1,5 +1,5 @@
/* /*
** $Id: lauxlib.c,v 1.257 2014/02/05 19:14:53 roberto Exp roberto $ ** $Id: lauxlib.c,v 1.258 2014/02/11 17:39:15 roberto Exp roberto $
** Auxiliary functions for building Lua libraries ** Auxiliary functions for building Lua libraries
** See Copyright Notice in lua.h ** See Copyright Notice in lua.h
*/ */
@ -176,6 +176,8 @@ static int typeerror (lua_State *L, int arg, const char *tname) {
if (lua_isstring(L, -1)) if (lua_isstring(L, -1))
typearg = lua_tostring(L, -1); typearg = lua_tostring(L, -1);
} }
else if (lua_type(L, arg) == LUA_TLIGHTUSERDATA)
typearg = "light userdata";
msg = lua_pushfstring(L, "%s expected, got %s", tname, typearg); msg = lua_pushfstring(L, "%s expected, got %s", tname, typearg);
return luaL_argerror(L, arg, msg); return luaL_argerror(L, arg, msg);
} }