datetime: Add error message

diff --git a/components/datetime.c b/components/datetime.c
index 713b0fb..6dc9678 100644 (file)
--- a/components/datetime.c
+++ b/components/datetime.c
@@ -10,6 +10,7 @@ datetime(const char *fmt)
 
        t = time(NULL);
        if (!strftime(buf, sizeof(buf), fmt, localtime(&t))) {
+               fprintf(stderr, "strftime: Result string exceeds buffer size\n");
                return NULL;
        }