svn commit: r297407 - head/lib/libc/stdio

[Pedro F. Giffuni]

Author: pfg
Date: Wed Mar 30 01:32:08 2016
New Revision: 297407
URL: https://svnweb.freebsd.org/changeset/base/297407

Log:
  freopen(3): prevent uninitialized errno.
  
  The case doesn't look very likely but clean the possibility nevertheless
  
  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 01:08:08 2016	(r297406)
+++ head/lib/libc/stdio/freopen.c	Wed Mar 30 01:32:08 2016	(r297407)
@@ -66,7 +66,8 @@ freopen(const char * __restrict file, co
 		(void) fclose(fp);
 		errno = sverrno;
 		return (NULL);
-	}
+	} else
+		sverrno = 0;
 
 	FLOCKFILE(fp);