From: Ruediger Meier <ruediger.meier@ga-group.nl>
Date: Fri, 8 May 2015 22:47:33 +0000 (+0200)
Subject: procutils: reset errno before readdir
X-Git-Tag: v2.27-rc1~141
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=4f4fc8c1d09fcbc154b956c6295fbca9d6b888e5;p=thirdparty%2Futil-linux.git

procutils: reset errno before readdir

readdir(3p): "When the end of the directory is encountered, a null
pointer shall be returned and errno is not changed"

Signed-off-by: Ruediger Meier <ruediger.meier@ga-group.nl>
---

diff --git a/lib/procutils.c b/lib/procutils.c
index ef969417dd..1823d16b1b 100644
--- a/lib/procutils.c
+++ b/lib/procutils.c
@@ -143,6 +143,7 @@ int proc_next_pid(struct proc_processes *ps, pid_t *pid)
 	do {
 		char buf[BUFSIZ], *p;
 
+		errno = 0;
 		d = readdir(ps->dir);
 		if (!d)
 			return errno ? -1 : 1;		/* error or end-of-dir */