From 04c8461550a698dbb7e47aae1775b50e51cc1151 Mon Sep 17 00:00:00 2001
From: dugsong <dugsong@openbsd.org>
Date: Sun, 19 Nov 2000 14:26:15 +0000
Subject: [PATCH] sleeping 15 seconds on ENOBUFS is silly

---
 net/nmap/patches/patch-tcpip.c | 38 ++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 net/nmap/patches/patch-tcpip.c

diff --git a/net/nmap/patches/patch-tcpip.c b/net/nmap/patches/patch-tcpip.c
new file mode 100644
index 00000000000..4c5e7517d2b
--- /dev/null
+++ b/net/nmap/patches/patch-tcpip.c
@@ -0,0 +1,38 @@
+--- tcpip.c.orig	Sun Nov 19 09:13:48 2000
++++ tcpip.c	Sun Nov 19 09:18:17 2000
+@@ -317,27 +317,19 @@
+ 
+ struct sockaddr_in *sin = (struct sockaddr_in *) to;
+ int res;
+-int retries = 0;
+-int sleeptime = 0;
+ 
+-do {
+-  if (TCPIP_DEBUGGING > 1) {  
+-    log_write(LOG_STDOUT, "trying sendto(%d, packet, %d, 0, %s, %d)",
+-	   sd, len, inet_ntoa(sin->sin_addr), tolen);
+-  }
+-  if ((res = sendto(sd, (const char *) packet, len, flags, to, tolen)) == -1) {
++if (TCPIP_DEBUGGING > 1) {  
++  log_write(LOG_STDOUT, "trying sendto(%d, packet, %d, 0, %s, %d)",
++	    sd, len, inet_ntoa(sin->sin_addr), tolen);
++}
++while ((res = sendto(sd, (const char *) packet, len, flags, to, tolen)) == -1) {
++  if (errno != ENOBUFS) {
+     error("sendto in %s: sendto(%d, packet, %d, 0, %s, %d) => %s",
+ 	  functionname, sd, len, inet_ntoa(sin->sin_addr), tolen,
+ 	  strerror(errno));
+-    if (retries > 2 || errno == EPERM) 
+-      return -1;
+-    sleeptime = 15 * (1 << (2 * retries));
+-    error("Sleeping %d seconds then retrying", sleeptime);
+-    fflush(stderr);
+-    sleep(sleeptime);
++    return -1;
+   }
+-  retries++;
+-} while( res == -1);
++}
+ 
+ if (TCPIP_DEBUGGING > 1)
+   log_write(LOG_STDOUT, "successfully sent %d bytes of raw_tcp!\n", res);