datetime: Add error message

[slstatus.git] / components / datetime.c

diff --git a/components/datetime.c b/components/datetime.c
index 0816923..6dc9678 100644 (file)
--- a/components/datetime.c
+++ b/components/datetime.c
@@ -9,8 +9,10 @@ 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))) {
+               fprintf(stderr, "strftime: Result string exceeds buffer size\n");
                return NULL;
+       }
 
        return buf;
 }