Author: pfg
Date: Wed Mar 30 06:13:58 2016
New Revision: 297408
URL: https://svnweb.freebsd.org/changeset/base/297408
Log:
freopen(3): prevent uninitialized errno.
Revert r297407 and redo it cleanly.
Pointed out by: Jukka A. Ukkonen
CID: 1018720
MFC after: 1 week
Modified:
head/lib/libc/stdio/freopen.c
Modified: head/lib/libc/stdio/freopen.c
==============================================================================
--- head/lib/libc/stdio/freopen.c Wed Mar 30 01:32:08 2016
(r297407)
+++ head/lib/libc/stdio/freopen.c Wed Mar 30 06:13:58 2016
(r297408)
@@ -66,8 +66,7 @@ freopen(const char * __restrict file, co
(void) fclose(fp);
errno = sverrno;
return (NULL);
- } else
- sverrno = 0;
+ }
FLOCKFILE(fp);
@@ -79,6 +78,7 @@ freopen(const char * __restrict file, co
* re-open the same file with a different mode. We allow this only
* if the modes are compatible.
*/
+ sverrno = 0;
if (file == NULL) {
/* See comment below regarding freopen() of closed files. */
if (fp->_flags == 0) {
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