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error()' (and error(nil)') generates errors with no error messages

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Roberto Ierusalimschy
2003-10-23 16:06:22 -02:00
parent d6d896b953
commit 275c150b17
2 changed files with 7 additions and 10 deletions
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9
lua.c
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@@ -1,5 +1,5 @@
/*
** $Id: lua.c,v 1.122 2003/04/03 13:34:42 roberto Exp roberto $
** $Id: lua.c,v 1.123 2003/05/07 16:02:16 roberto Exp roberto $
** Lua stand-alone interpreter
** See Copyright Notice in lua.h
*/
@@ -117,10 +117,9 @@ static void l_message (const char *pname, const char *msg) {
static int report (int status) {
const char *msg;
if (status) {
msg = lua_tostring(L, -1);
if (msg == NULL) msg = "(error with no message)";
if (status && !lua_isnil(L, -1)) {
const char *msg = lua_tostring(L, -1);
if (msg == NULL) msg = "(error object is not a string)";
l_message(progname, msg);
lua_pop(L, 1);
}