randomart: corrected usage of snprintf

diff --git a/lib/extras/randomart.c b/lib/extras/randomart.c
index 74f44effcf9a005114cdcf305205805420389b95..37e6c691297d883a4c41542958696241f8923ac2 100644 (file)
--- a/lib/extras/randomart.c
+++ b/lib/extras/randomart.c
@@ -124,7 +124,7 @@ char *_gnutls_key_fingerprint_randomart(uint8_t * dgst_raw,
        field[x][y] = len;
 
        if (key_size > 0)
-               snprintf(size_txt, " %4u", key_size);
+               snprintf(size_txt, sizeof(size_txt), " %4u", key_size);
        else
                size_txt[0] = 0;