Mercurial > dropbear

changeset 404:a588558bfc94

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Fix potential null pointer dereference found by Klokwork
author Matt Johnston <matt@ucc.asn.au>
date Sat, 03 Feb 2007 09:58:14 +0000
parents 75940fef22dd
children 00703f1df67a
files svr-session.c
diffstat 1 files changed, 8 insertions(+), 3 deletions(-) [+]
line wrap: on
line diff
--- a/svr-session.c	Sat Feb 03 09:42:22 2007 +0000
+++ b/svr-session.c	Sat Feb 03 09:58:14 2007 +0000
@@ -181,10 +181,15 @@
 
 	if (!svr_opts.usingsyslog || havetrace)
 	{
+		struct tm * local_tm = NULL;
 		timesec = time(NULL);
-		if (strftime(datestr, sizeof(datestr), "%b %d %H:%M:%S", 
-					localtime(&timesec)) == 0) {
-			datestr[0] = '?'; datestr[1] = '\0';
+		local_tm = localtime(&timesec);
+		if (local_tm == NULL
+			|| strftime(datestr, sizeof(datestr), "%b %d %H:%M:%S", 
+						localtime(&timesec)) == 0)
+		{
+			// upon failure, just print the epoch-seconds time.
+			snprintf(datestr, sizeof(datestr), "%d", timesec);
 		}
 		fprintf(stderr, "[%d] %s %s\n", getpid(), datestr, printbuf);
 	}