sync:Fix crash with malformed document

Signed-off-by: zhangzhangxin <zhangxin1@xfusion.com>

0002-sync-Fix-crash-with-malformed-document.patch

@@ -0,0 +1,26 @@
+From ad84398cbdf5b66abde8c90b55df386482ece1ff Mon Sep 17 00:00:00 2001
+From: zhangzhangxin <zhangxin1@xfusion.com>
+Date: Fri, 7 Jul 2023 16:36:16 +0800
+Subject: [PATCH] sync:Fix crash with malformed document
+
+Signed-off-by: zhangzhangxin <zhangxin1@xfusion.com>
+---
+ libspectre/ps.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/libspectre/ps.c b/libspectre/ps.c
+index fb84d80..62472b1 100644
+--- a/libspectre/ps.c
++++ b/libspectre/ps.c
+@@ -1065,7 +1065,7 @@ continuepage:
+ 		       iscomment(line+2, "PageMedia:")) {
+ 		cp = ps_gettext(line+length("%%PageMedia:"), NULL);
+ 		for (dmp = doc->media, i=0; i<doc->nummedia; i++, dmp++) {
+-		    if (strcmp(cp, dmp->name) == 0) {
++		    if (cp && strcmp(cp, dmp->name) == 0) {
+ 			doc->pages[doc->numpages].media = dmp;
+ 			break;
+ 		    }
+-- 
+2.40.0.windows.1
+

libspectre.spec

@@ -1,6 +1,6 @@
 Name:           libspectre
 Version:        0.2.8
-Release:        9
+Release:        10
 Summary:        A small library for rendering Postscript documents
 License:        GPLv2+
 URL:            http://libspectre.freedesktop.org
@@ -8,6 +8,7 @@ Source0:        http://libspectre.freedesktop.org/releases/%{name}-%{version}.ta
 
 BuildRequires:  libgs-devel
 Patch0:         0001-sync-state-what-lib-is-printing-the-error.patch
+Patch1:         0002-sync-Fix-crash-with-malformed-document.patch
 
 %description
 Libspectre is a small library for rendering Postscript documents.
@@ -50,6 +51,9 @@ developing applications that use libspectre.
 %{_libdir}/pkgconfig/libspectre.pc
 
 %changelog
+* Mon Jul 10 2023 zhangxin <zhangxin1@xfusion.com> - 0.2.8-10
+- Fix crash with malformed document
+
 * Mon Jul 10 2023 zhangxin <zhangxin1@xfusion.com> - 0.2.8-9
 - state what lib is printing the error