From a9f4ec26c8594df7410fa0e22dd7044d9ac6d5c6 Mon Sep 17 00:00:00 2001
From: Hyejin Kim <hj8296@gmail.com>
Date: Sun, 15 Mar 2015 19:29:15 -0500
Subject: I added error handling code in write_rotate(). I think that it is
 better to check tf->logfd before doing truncate()/write() and getting error.

---
 toys/pending/syslogd.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'toys/pending/syslogd.c')

diff --git a/toys/pending/syslogd.c b/toys/pending/syslogd.c
index 7fb297f8..450bd72f 100644
--- a/toys/pending/syslogd.c
+++ b/toys/pending/syslogd.c
@@ -300,6 +300,10 @@ static int write_rotate(struct logfile *tf, int len)
         unlink(tf->filename);
         close(tf->logfd);
         tf->logfd = open(tf->filename, O_CREAT | O_WRONLY | O_APPEND, 0666);
+        if (tf->logfd < 0) {
+          perror_msg("can't open %s", tf->filename);
+          return -1;
+        }
       }
       ftruncate(tf->logfd, 0);
     }
-- 
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