Optionally more debug output.

2005-09-30 12:50:14 +00:00 · 2005-09-30 12:50:14 +00:00 · 4ac2d8d392
commit 4ac2d8d392
parent 99fa9df344
1 changed files with 5 additions and 0 deletions
--- a/lib/ip/recvfrom.c
+++ b/lib/ip/recvfrom.c
@ -92,6 +92,11 @@ static ssize_t _udp_recvfrom(int socket, void *_RESTRICT buffer, size_t length,
 	if (r == -1)
 	{
 		t_errno= errno;
+#if DEBUG
+		fprintf(stderr, "recvfrom(udp): read failed: %s\n",
+			strerror(errno));
+		fprintf(stderr, "udp opt flags = 0x%x\n", udpoptp->nwuo_flags);
+#endif
 		free(buf);
 		errno= t_errno;
 		return -1;