From 16847ea255fa8a7c0ed922af80a2f36b7bdf4b3b Mon Sep 17 00:00:00 2001
From: Guus Sliepen <guus@tinc-vpn.org>
Date: Wed, 8 Nov 2000 20:52:37 +0000
Subject: [PATCH] - Make checkpoint tracing a compile time option (off by
 default)

---
 acconfig.h   |  3 +++
 configure.in |  8 +++++++-
 lib/utils.c  |  4 ++++
 lib/utils.h  | 12 +++++++++---
 src/tincd.c  |  7 ++++---
 5 files changed, 27 insertions(+), 7 deletions(-)

diff --git a/acconfig.h b/acconfig.h
index f1d9ee7..9861a74 100644
--- a/acconfig.h
+++ b/acconfig.h
@@ -53,3 +53,6 @@
 
 /* Define to the location of if_tun.h */
 #undef LINUX_IF_TUN_H
+
+/* Define to 1 if checkpoint tracing is enabled */
+#undef ENABLE_TRACING
diff --git a/configure.in b/configure.in
index 3514e0e..4d5bf9d 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 1.13.2.15 2000/11/08 00:10:49 guus Exp $
+dnl $Id: configure.in,v 1.13.2.16 2000/11/08 20:52:36 guus Exp $
 
 AC_INIT(src/tincd.c)
 AM_INIT_AUTOMAKE(tinc, 1.0pre3)
@@ -84,6 +84,12 @@ AC_CHECK_FUNC(gethostbyname, [], [
 dnl Check for TUN/TAP support in the kernel
 tinc_TUNTAP
 
+dnl Check if checkpoint tracing has to be enabled
+AC_ARG_ENABLE(tracing,
+  --enable-tracing	enable checkpoint tracing (for debugging purposes only),
+  [ AC_DEFINE(ENABLE_TRACING) ]
+)
+
 AC_OUTPUT([Makefile src/Makefile
 doc/Makefile doc/es/Makefile intl/Makefile lib/Makefile
 m4/Makefile po/Makefile.in redhat/Makefile debian/Makefile])
diff --git a/lib/utils.c b/lib/utils.c
index 7f588b4..8e460f4 100644
--- a/lib/utils.c
+++ b/lib/utils.c
@@ -29,9 +29,11 @@
 #include <syslog.h>
 #include <xalloc.h>
 
+#ifdef ENABLE_TRACING
 volatile int (cp_line[]) = {0, 0, 0, 0, 0, 0, 0, 0};
 volatile char (*cp_file[]) = {"?", "?", "?", "?", "?", "?", "?", "?"};
 volatile int cp_index = 0;
+#endif
 
 char *hexadecimals = "0123456789ABCDEF";
 
@@ -61,6 +63,7 @@ void bin2hex(char *src, char *dst, int length)
     }
 }
 
+#ifdef ENABLE_TRACING
 void cp_trace()
 {
   syslog(LOG_DEBUG, "Checkpoint trace: %s:%d <- %s:%d <- %s:%d <- %s:%d <- %s:%d <- %s:%d <- %s:%d <- %s:%d ...",
@@ -74,6 +77,7 @@ void cp_trace()
            cp_file[cp_index], cp_line[cp_index]
         );
 }
+#endif
 
 #ifndef HAVE_ASPRINTF
 int asprintf(char **buf, const char *fmt, ...)
diff --git a/lib/utils.h b/lib/utils.h
index c172daa..0fa5de3 100644
--- a/lib/utils.h
+++ b/lib/utils.h
@@ -37,15 +37,21 @@ enum {
 
 #define min(a,b) (((a)<(b))?(a):(b))
 
+#ifdef ENABLE_TRACING
 extern volatile int cp_line[];
 extern volatile char *cp_file[];
 extern volatile int cp_index;
+extern void cp_trace(void);
 
-#define cp { cp_line[cp_index] = __LINE__; cp_file[cp_index] = __FILE__; cp_index++; cp_index %= 8; }
-#define ecp { fprintf(stderr, "Explicit checkpoint in %s line %d\n", __FILE__, __LINE__); }
+  #define cp { cp_line[cp_index] = __LINE__; cp_file[cp_index] = __FILE__; cp_index++; cp_index %= 8; }
+  #define ecp { fprintf(stderr, "Explicit checkpoint in %s line %d\n", __FILE__, __LINE__); }
+#else
+  #define cp
+  #define ecp
+  #define cp_trace()
+#endif
 
 extern void hex2bin(char *src, char *dst, int length);
 extern void bin2hex(char *src, char *dst, int length);
-extern void cp_trace(void);
 
 #endif /* __TINC_UTILS_H__ */
diff --git a/src/tincd.c b/src/tincd.c
index eea15db..ea2d3a7 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 1.10.4.26 2000/11/08 00:20:06 guus Exp $
+    $Id: tincd.c,v 1.10.4.27 2000/11/08 20:52:37 guus Exp $
 */
 
 #include "config.h"
@@ -229,7 +229,8 @@ int keygen(int bits)
 
 void memory_full(int size)
 {
-  syslog(LOG_ERR, _("Memory exhausted (last is %s:%d) (couldn't allocate %d bytes), exiting."), cp_file, cp_line, size);
+  syslog(LOG_ERR, _("Memory exhausted (couldn't allocate %d bytes), exiting."), size);
+  cp_trace();
   exit(1);
 }
 
@@ -371,7 +372,7 @@ void make_names(void)
       if(!confbase)
         asprintf(&confbase, "%s/tinc/%s", CONFDIR, netname);
       else
-        fprintf(stderr, "Both netname and configuration directory given, using the latter...\n");
+        fprintf(stderr, _("Both netname and configuration directory given, using the latter...\n"));
       if(!identname)
         asprintf(&identname, "tinc.%s", netname);
     }
-- 
2.25.1