Add a patch to to eliminate segfaults.

PR:		ports/108693
Submitted by:	Kevin Oberman <oberman (at) es.net> (maintainer)

net-mgmt/irrtoolset/Makefile

@@ -7,6 +7,7 @@
 
 PORTNAME=	irrtoolset
 PORTVERSION=	4.8.4
+PORTREVISION=	1
 CATEGORIES=	net-mgmt
 MASTER_SITES=	${MASTER_SITE_ISC} \
 		ftp://ftp.ripe.net/tools/

net-mgmt/irrtoolset/files/patch-src-irr-rawhoisc.cc

@@ -0,0 +1,69 @@
+
+Add the following file as files/patch-src-irr-rawhoisc.cc and bump
+PORTREVISION (to 1).
+
+--- src/irr/rawhoisc.cc.orig	Thu Jun  8 08:16:26 2006
++++ src/irr/rawhoisc.cc	Tue Jan 23 15:14:24 2007
+@@ -1,4 +1,4 @@
+-//  $Id: rawhoisc.cc,v 4.11 2006/06/08 15:16:26 shane Exp $
++//  $Id: rawhoisc.cc,v 4.11.10.1 2006/12/08 08:33:52 shane Exp $
+ // Copyright (c) 2001,2002                        RIPE NCC
+ //
+ // All Rights Reserved
+@@ -187,7 +187,7 @@
+ }
+ 
+ void RAWhoisClient::GetVersion() {
+-   char *buffer = (char *) calloc (80,1);
++   char *buffer;
+    char *start;
+ 
+    if (! _is_open)
+@@ -199,7 +199,7 @@
+    start = start + 8; //jump
+    version = atoi(start)*10 + atoi(start+2); // x.x... format  
+    Trace(TR_WHOIS_RESPONSE) << "Whois: Response " << buffer << endl;
+-   free(buffer);
++   delete [] buffer;
+ }
+ 
+ void RAWhoisClient::SetSources(const char *_sources) {
+@@ -298,9 +298,11 @@
+       return 0;
+    }
+    if (is_rpslng()) {
+-      response = strdup("");
+-      char *prev;
++      response = new char[1];
++      response[0] = '\0';
++      char *prev = NULL;
+       do {
++      	free(prev);
+         prev = strdup(buffer);
+         Trace(TR_WHOIS_RESPONSE) << "Whois: Response <<\n" << buffer <<">>"<< endl;
+         if (strstr (buffer, "route") || strstr(buffer, "route6")) {
+@@ -315,18 +317,20 @@
+           // save response
+           tmp = strdup (response);
+           // allocate new string
++          delete [] response;
+           response = new char [strlen(tmp) + strlen(end_prefix) + 2];
+-          memset(response, 0, strlen(response));
+           // copy old and new response
+-          strncat (response, tmp, strlen(tmp));
+-          strncat (response, " ", 1);
+-          strncat (response, end_prefix, strlen(end_prefix));
++          strcpy(response, tmp);
++          strcat(response, " ");
++          strcat(response, end_prefix);
+           free(tmp);
+         }
+       } while (fgets(buffer, sizeof(buffer), in) && 
+       // this condition should work with irrd version >= 2.2b19
+       // until then, ripe-style queries won't work with persistent connections
+                !((*prev == '\n') && (*buffer == '\n')));
++
++      free(prev);
+ 
+       // The WHOIS protocol and RPSL give no indication of
+       // end of a protocol data unit, so we need to keep