grafx2: add some checks

media-gfx/grafx2/grafx2-2.8.recipe

@@ -8,12 +8,13 @@ HOMEPAGE="http://grafx2.tk"
 COPYRIGHT="1995-2001 Sunset Design
 	2007-2021 GrafX2 project team"
 LICENSE="GNU GPL v2"
-REVISION="1"
+REVISION="2"
 GITREV="8e2d28b5cfd0e3220ce4c5b38be8d0f3af650c89"
 SOURCE_URI="https://gitlab.com/GrafX2/grafX2/-/archive/${GITREV}/grafX2-${GITREV}.tar.bz2"
 SOURCE_FILENAME="grafx2-2.8-${GITREV}.tar.gz"
 SOURCE_DIR="grafX2-${GITREV}"
 CHECKSUM_SHA256="21320e7d82eb3c6881dc2a4e9ae37e579eecd703d31dbb172cc881220a115dd2"
+PATCHES="grafx2-$portVersion.patchset"
 
 ARCHITECTURES="!x86_gcc2 x86_64"
 SECONDARY_ARCHITECTURES="x86"

media-gfx/grafx2/patches/grafx2-2.7.patchset

@@ -0,0 +1,31 @@
+From b616fdb35baf79ece153b70ca3613d57dee212de Mon Sep 17 00:00:00 2001
+From: Jerome Duval <jerome.duval@gmail.com>
+Date: Tue, 30 Mar 2021 10:59:41 +0200
+Subject: add checks in Extract_path
+
+
+diff --git a/src/io.c b/src/io.c
+index ab64904..30da356 100644
+--- a/src/io.c
++++ b/src/io.c
+@@ -353,6 +353,17 @@ char * Extract_path(char *dest, const char *source)
+   char * position;
+   char * path;
+ 
++  if (dest == NULL)
++  {
++    GFX2_Log(GFX2_ERROR, "Extract_path() dest is null !\n");
++    return NULL;
++  }
++  if (source == NULL)
++  {
++    GFX2_Log(GFX2_ERROR, "Extract_path() source is null !\n");
++    return NULL;
++  }
++
+   path = Realpath(source, dest);
+   if (path == NULL)
+   {
+-- 
+2.30.0
+