svn commit: r297417 - head/lib/libc/stdio
Pedro F. Giffuni
pfg at FreeBSD.org
Wed Mar 30 13:26:36 UTC 2016
Author: pfg
Date: Wed Mar 30 13:26:35 2016
New Revision: 297417
URL: https://svnweb.freebsd.org/changeset/base/297417
Log:
freopen(3): prevent uninitialized errno.
Revert completley r297408 (and r297407): this ends up touching errno,
which we are not allowed to do.
Pointed out by: ache, bde
Modified:
head/lib/libc/stdio/freopen.c
Modified: head/lib/libc/stdio/freopen.c
==============================================================================
--- head/lib/libc/stdio/freopen.c Wed Mar 30 10:05:52 2016 (r297416)
+++ head/lib/libc/stdio/freopen.c Wed Mar 30 13:26:35 2016 (r297417)
@@ -78,7 +78,6 @@ 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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