X-Git-Url: https://tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=lib%2Fdropin.c;h=23d2b136f304f798ffe9536da0fdee66d23afaaa;hp=c92c0b81ebb65d9c39fe8dc3c51021e157c56b48;hb=5e0efd53e797a2b5468b91b41b6122f3b942efb2;hpb=0e945413315c9d15a3eb013fa3731dd978a8c7b8

diff --git a/lib/dropin.c b/lib/dropin.c
index c92c0b81..23d2b136 100644
--- a/lib/dropin.c
+++ b/lib/dropin.c
@@ -1,7 +1,7 @@
 /*
     dropin.c -- a set of drop-in replacements for libc functions
-    Copyright (C) 2000-2003 Ivo Timmermans <ivo@o2w.nl>,
-                  2000-2003 Guus Sliepen <guus@sliepen.eu.org>
+    Copyright (C) 2000-2005 Ivo Timmermans,
+                  2000-2006 Guus Sliepen <guus@tinc-vpn.org>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -17,7 +17,7 @@
     along with this program; if not, write to the Free Software
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
-    $Id: dropin.c,v 1.1.2.17 2003/07/28 22:06:09 guus Exp $
+    $Id$
 */
 
 #include "system.h"
@@ -125,27 +125,36 @@ char *get_current_dir_name(void)
 #endif
 
 #ifndef HAVE_ASPRINTF
-int asprintf(char **buf, const char *fmt, ...)
+int asprintf(char **buf, const char *fmt, ...) {
+	int result;
+	va_list ap;
+	va_start(ap, fmt);
+	result = vasprintf(buf, fmt, ap);
+	va_end(ap);
+	return result;
+}
+
+int vasprintf(char **buf, const char *fmt, va_list ap) {
 {
 	int status;
-	va_list ap;
+	va_list aq;
 	int len;
 
 	len = 4096;
 	*buf = xmalloc(len);
 
-	va_start(ap, fmt);
-	status = vsnprintf(*buf, len, fmt, ap);
-	va_end(ap);
+	va_copy(aq, ap);
+	status = vsnprintf(*buf, len, fmt, aq);
+	va_end(aq);
 
 	if(status >= 0)
-		*buf = xrealloc(*buf, status);
+		*buf = xrealloc(*buf, status + 1);
 
 	if(status > len - 1) {
 		len = status;
-		va_start(ap, fmt);
-		status = vsnprintf(*buf, len, fmt, ap);
-		va_end(ap);
+		va_copy(aq, ap);
+		status = vsnprintf(*buf, len, fmt, aq);
+		va_end(aq);
 	}
 
 	return status;
@@ -159,3 +168,15 @@ int gettimeofday(struct timeval *tv, void *tz) {
 	return 0;
 }
 #endif
+
+#ifndef HAVE_RANDOM
+#include <openssl/rand.h>
+
+long int random(void) {
+	long int x;
+	
+	RAND_pseudo_bytes((unsigned char *)&x, sizeof(x));
+
+	return x;
+}
+#endif