===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/mail/popen.c,v
retrieving revision 1.10
retrieving revision 1.11
diff -u -r1.10 -r1.11
--- src/usr.bin/mail/popen.c	1997/07/14 16:09:07	1.10
+++ src/usr.bin/mail/popen.c	1997/08/04 19:25:50	1.11
@@ -1,4 +1,4 @@
-/*	$OpenBSD: popen.c,v 1.10 1997/07/14 16:09:07 millert Exp $	*/
+/*	$OpenBSD: popen.c,v 1.11 1997/08/04 19:25:50 deraadt Exp $	*/
 /*	$NetBSD: popen.c,v 1.6 1997/05/13 06:48:42 mikel Exp $	*/
 
 /*
@@ -38,7 +38,7 @@
 #if 0
 static char sccsid[] = "@(#)popen.c	8.1 (Berkeley) 6/6/93";
 #else
-static char rcsid[] = "$OpenBSD: popen.c,v 1.10 1997/07/14 16:09:07 millert Exp $";
+static char rcsid[] = "$OpenBSD: popen.c,v 1.11 1997/08/04 19:25:50 deraadt Exp $";
 #endif
 #endif /* not lint */
 
@@ -346,6 +346,7 @@
 	int pid;
 	union wait status;
 	register struct child *cp;
+	int save_errno = errno;
 
 	while ((pid =
 	    wait3((int *)&status, WNOHANG, (struct rusage *)0)) > 0) {
@@ -357,6 +358,7 @@
 			cp->status = status;
 		}
 	}
+	errno = save_errno;
 }
 
 union wait wait_status;