From f8f1007bf469d44480d95d0d78ddc156d00e059f Mon Sep 17 00:00:00 2001
From: Guus Sliepen <guus@tinc-vpn.org>
Date: Wed, 8 Nov 2000 00:10:50 +0000
Subject: [PATCH] Porting to SunOS 5.8: - More #includes Linux doesn't seem to
 need - Don't do unsetenv() on SunOS - Use a replacement asprintf() in case
 the OS doesn't support it It now compiles properly under SunOS.

---
 configure.in |  4 ++--
 lib/utils.c  | 31 +++++++++++++++++++++++++++++++
 src/net.c    |  8 +++++---
 src/tincd.c  |  3 ++-
 4 files changed, 40 insertions(+), 6 deletions(-)

diff --git a/configure.in b/configure.in
index 3295de99..3514e0e2 100644
--- a/configure.in
+++ b/configure.in
@@ -1,6 +1,6 @@
 dnl Process this file with autoconf to produce a configure script.
 
-dnl $Id: configure.in,v 1.13.2.14 2000/11/07 22:33:33 guus Exp $
+dnl $Id: configure.in,v 1.13.2.15 2000/11/08 00:10:49 guus Exp $
 
 AC_INIT(src/tincd.c)
 AM_INIT_AUTOMAKE(tinc, 1.0pre3)
@@ -46,7 +46,7 @@ dnl Checks for library functions.
 AC_FUNC_MEMCMP
 AC_FUNC_ALLOCA
 AC_TYPE_SIGNAL
-AC_CHECK_FUNCS(ftime socket select strtol strerror flock)
+AC_CHECK_FUNCS(ftime socket select strtol strerror flock unsetenv asprintf)
 jm_FUNC_MALLOC
 jm_FUNC_REALLOC
 
diff --git a/lib/utils.c b/lib/utils.c
index 795ece92..7f588b47 100644
--- a/lib/utils.c
+++ b/lib/utils.c
@@ -21,11 +21,13 @@
 #include <sys/types.h>
 #include <ctype.h>
 #include <string.h>
+#include <stdarg.h>
 
 #include "config.h"
 
 #include <utils.h>
 #include <syslog.h>
+#include <xalloc.h>
 
 volatile int (cp_line[]) = {0, 0, 0, 0, 0, 0, 0, 0};
 volatile char (*cp_file[]) = {"?", "?", "?", "?", "?", "?", "?", "?"};
@@ -72,3 +74,32 @@ void cp_trace()
            cp_file[cp_index], cp_line[cp_index]
         );
 }
+
+#ifndef HAVE_ASPRINTF
+int asprintf(char **buf, const char *fmt, ...)
+{
+  int status;
+  va_list ap;
+  int len;
+  
+  len = 4096;
+  *buf = xmalloc(len);
+
+  va_start(ap, fmt);
+  status = vsnprintf (*buf, len, fmt, ap);
+  va_end (ap);
+
+  if(status >= 0)
+    *buf = xrealloc(*buf, status);
+
+  if(status > len-1)
+    {
+      len = status;
+      va_start(ap, fmt);
+      status = vsnprintf (*buf, len, fmt, ap);
+      va_end (ap);
+    }
+
+  return status;
+}
+#endif
diff --git a/src/net.c b/src/net.c
index bc32b7cc..5d7f8413 100644
--- a/src/net.c
+++ b/src/net.c
@@ -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: net.c,v 1.35.4.68 2000/11/07 21:43:28 guus Exp $
+    $Id: net.c,v 1.35.4.69 2000/11/08 00:10:49 guus Exp $
 */
 
 #include "config.h"
@@ -25,7 +25,8 @@
 #include <arpa/inet.h>
 #include <errno.h>
 #include <fcntl.h>
-#include <linux/sockios.h>
+/* SunOS really wants sys/socket.h BEFORE net/if.h */
+#include <sys/socket.h>
 #include <net/if.h>
 #include <netdb.h>
 #include <netinet/in.h>
@@ -33,7 +34,6 @@
 #include <stdlib.h>
 #include <string.h>
 #include <sys/signal.h>
-#include <sys/socket.h>
 #include <sys/time.h>
 #include <sys/types.h>
 #include <syslog.h>
@@ -106,10 +106,12 @@ int execute_script(const char *name)
       asprintf(&s, "NETNAME=%s", netname);
       putenv(s);	/* Don't free s! see man 3 putenv */
     }
+#ifdef HAVE_UNSETENV
   else
     {
       unsetenv("NETNAME");
     }
+#endif
 
   chdir(confbase);	/* This cannot fail since we already read config files from this directory. */
   
diff --git a/src/tincd.c b/src/tincd.c
index 4c494f5c..e4a2a44b 100644
--- a/src/tincd.c
+++ b/src/tincd.c
@@ -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: tincd.c,v 1.10.4.24 2000/11/03 22:31:55 zarq Exp $
+    $Id: tincd.c,v 1.10.4.25 2000/11/08 00:10:50 guus Exp $
 */
 
 #include "config.h"
@@ -35,6 +35,7 @@
 #include <openssl/rsa.h>
 #include <openssl/err.h>
 #include <string.h>
+#include <termios.h>
 
 #ifdef HAVE_SYS_IOCTL_H
 # include <sys/ioctl.h>
-- 
2.20.1