1628255 - cups-filters: Sticky EOF behavior in glibc breaks descriptor concatenation using dup2 (breaks printing)

This commit is contained in:
Zdenek Dohnal 2018-09-21 15:05:22 +02:00
parent 71c6baacf4
commit 896c4186e8
2 changed files with 20 additions and 1 deletions

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@ -0,0 +1,11 @@
diff -up cups-filters-1.20.3/filter/foomatic-rip/foomaticrip.c.cleareof cups-filters-1.20.3/filter/foomatic-rip/foomaticrip.c
--- cups-filters-1.20.3/filter/foomatic-rip/foomaticrip.c.cleareof 2018-09-21 13:38:05.882666106 +0200
+++ cups-filters-1.20.3/filter/foomatic-rip/foomaticrip.c 2018-09-21 13:38:55.330277816 +0200
@@ -663,6 +663,7 @@ int print_file(const char *filename, int
rip_die(EXIT_PRNERR_NORETRY_BAD_SETTINGS,
"Couldn't dup stdout of pdf-to-ps\n");
+ clearerr(stdin);
ret = print_file("<STDIN>", 0);
wait_for_process(renderer_pid);

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@ -4,7 +4,7 @@
Summary: OpenPrinting CUPS filters and backends
Name: cups-filters
Version: 1.21.2
Release: 1%{?dist}
Release: 2%{?dist}
# For a breakdown of the licensing, see COPYING file
# GPLv2: filters: commandto*, imagetoraster, pdftops, rasterto*,
@ -21,6 +21,9 @@ Url: http://www.linuxfoundation.org/collaborate/workgroups/openprinting/cups
Source0: http://www.openprinting.org/download/cups-filters/cups-filters-%{version}.tar.xz
Patch01: cups-filters-createall.patch
# backported patch from upstream - since glibc 2.28 there is a need to clear EOF on
# file descriptor when I use dup2 on file descriptor where is EOF
Patch02: cups-filters-cleareof.patch
Requires: cups-filters-libs%{?_isa} = %{version}-%{release}
@ -119,6 +122,8 @@ This is the development package for OpenPrinting CUPS filters and backends.
# set LocalQueueNamingRemoteCUPS and CreateIPPPrinterQueues by default
%patch01 -p1 -b .createall
# backported from upstream - EOF from pipe needs to cleared
%patch02 -p1 -b .cleareof
%build
# work-around Rpath
@ -291,6 +296,9 @@ fi
%{_libdir}/libfontembed.so
%changelog
* Fri Sep 21 2018 Zdenek Dohnal <zdohnal@redhat.com> - 1.21.2-2
- 1628255 - cups-filters: Sticky EOF behavior in glibc breaks descriptor concatenation using dup2 (breaks printing)
* Mon Sep 10 2018 Zdenek Dohnal <zdohnal@redhat.com> - 1.21.2-1
- 1.21.2