From ad4d974d06ba3344e2e0df3277f7e0c42f018a4e Mon Sep 17 00:00:00 2001
From: ajs <ajs>
Date: Wed, 24 Nov 2004 18:20:30 +0000
Subject: In zlog_signal, should probably check the return code from backtrace,
 just to be safe.

---
 lib/log.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'lib')

diff --git a/lib/log.c b/lib/log.c
index 86b54ebb..9d566806 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);
-- 
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