From: ajs <ajs>
Date: Wed, 24 Nov 2004 18:20:30 +0000 (+0000)
Subject: In zlog_signal, should probably check the return code from backtrace, just
X-Git-Tag: frr-2.0-rc1~3363
X-Git-Url: https://git.puffer.fish/?a=commitdiff_plain;h=ad4d974d06ba3344e2e0df3277f7e0c42f018a4e;p=matthieu%2Ffrr.git

In zlog_signal, should probably check the return code from backtrace, just
to be safe.
---

diff --git a/lib/log.c b/lib/log.c
index 86b54ebb65..9d5668062e 100644
--- a/lib/log.c
+++ b/lib/log.c
@@ -232,7 +232,8 @@ zlog_signal(int signo, const char *action)
     void *array[20];
     int size;
 
-    size = backtrace(array,sizeof(array)/sizeof(array[0]));
+    if ((size = backtrace(array,sizeof(array)/sizeof(array[0]))) <= 0)
+      return;
     s = buf;
     s = str_append(LOC,"Backtrace for ");
     s = num_append(LOC,size);