Fix openp errno handling.

* callproc.c (Fcall_process): Preserve openp errno around close.
* lread.c (openp): Set errno when returning -1, as some callers
expect this.

1 files changed, 7 insertions, 0 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index b95488c1e70..f8221e2fd36 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,10 @@
+2013-07-07  Paul Eggert  <eggert@cs.ucla.edu>
+
+        Fix openp errno handling.
+        * callproc.c (Fcall_process): Preserve openp errno around close.
+        * lread.c (openp): Set errno when returning -1, as some callers
+        expect this.
+
 2013-07-06  Jan Djärv  <jan.h.d@swipnet.se>
 
         * nsterm.m (sendEvent:): Handle NSAPP_DATA2_RUNFILEDIALOG.