fixed new warning with previous iOS patch

diff --git a/bin/dig/dighost.c b/bin/dig/dighost.c
index 348109a299e4f9970d9bc3e8718433142e54be2f..06186fb0d8277a593c0faf64db24ed94826c3d8e 100644 (file)
--- a/bin/dig/dighost.c
+++ b/bin/dig/dighost.c
@@ -446,7 +446,7 @@ hex_dump(isc_buffer_t *b) {
  */
 static isc_result_t
 append(const char *text, size_t len, char **p, char *end) {
-       if (len > end - *p)
+       if (*p + len > end)
                return (ISC_R_NOSPACE);
        memmove(*p, text, len);
        *p += len;