perl-Tk/Tk-804.032-no-segfaults-if-Tk-MainWindow-Create-was-called-with.patch

34 lines
929 B
Diff

From ba3a92a779f7adcf655b7e45b40ee5b0cb79bc8b Mon Sep 17 00:00:00 2001
From: Slaven Rezic <slaven@rezic.de>
Date: Fri, 14 Mar 2014 16:00:05 +0100
Subject: [PATCH 02/10] no segfaults if Tk::MainWindow::Create was called
without args
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
However, this case never happened in real life, as this function was
not supposed to be used directly anyway.
Signed-off-by: Petr Písař <ppisar@redhat.com>
---
tkGlue.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tkGlue.c b/tkGlue.c
index 57f0bca..ae595bf 100644
--- a/tkGlue.c
+++ b/tkGlue.c
@@ -2370,7 +2370,7 @@ XS(XS_Tk__MainWindow_Create)
STRLEN na;
Tcl_Interp *interp = Tcl_CreateInterp();
SV **args = &ST(0);
- char *appName = SvPV(ST(1),na);
+ char *appName = items >= 1 ? SvPV(ST(1),na) : "";
int offset = args - sp;
int code;
if (!initialized)
--
1.9.3