swap_perc: check for division by zero on obsd too

[slstatus.git] / components / datetime.c

diff --git a/components/datetime.c b/components/datetime.c
index 0816923..c3efae3 100644 (file)
--- a/components/datetime.c
+++ b/components/datetime.c
@@ -1,4 +1,5 @@
 /* See LICENSE file for copyright and license details. */
+#include <stdio.h>
 #include <time.h>
 
 #include "../util.h"
@@ -9,8 +10,10 @@ datetime(const char *fmt)
        time_t t;
 
        t = time(NULL);
-       if (strftime(buf, sizeof(buf), fmt, localtime(&t)) == 0)
+       if (!strftime(buf, sizeof(buf), fmt, localtime(&t))) {
+               warn("strftime: Result string exceeds buffer size");
                return NULL;
+       }
 
        return buf;
 }