X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=lib%2Futils.c;h=e0bfe926f089516373a88238e24a736012275f75;hp=c8de214f1e0e0aa0994878b10155810f71494314;hb=85adeef21275633b78a234b2660cbe3bc9dd2c33;hpb=e9635ae38e0e2e3eb92568a1e234f8348856dd69

diff --git a/lib/utils.c b/lib/utils.c
index c8de214f..e0bfe926 100644
--- a/lib/utils.c
+++ b/lib/utils.c
@@ -1,6 +1,7 @@
 /*
     utils.c -- gathering of some stupid small functions
-    Copyright (C) 1999 Ivo Timmermans <zarq@iname.com>
+    Copyright (C) 1999,2000 Ivo Timmermans <zarq@iname.com>
+                       2000 Guus Sliepen <guus@sliepen.warande.net>
 
     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
@@ -23,9 +24,11 @@
 #include "config.h"
 
 #include <utils.h>
+#include <syslog.h>
 
-volatile int cp_line;
-volatile char *cp_file;
+volatile int (cp_line[]) = {0, 0, 0, 0, 0, 0, 0, 0};
+volatile char (*cp_file[]) = {"?", "?", "?", "?", "?", "?", "?", "?"};
+volatile int cp_index = 0;
 
 char *charbin2hex = "0123456789ABCDEF";
 
@@ -37,19 +40,33 @@ int charhex2bin(char c)
     return tolower(c) - 'a' + 10;
 }
 
-void hex2bin(char *src, char *dst, size_t length)
+void hex2bin(char *src, char *dst, int length)
 {
-  size_t i;
+  int i;
   for(i=0; i<length; i++)
     dst[i] = charhex2bin(src[i*2])<<4 || charhex2bin(src[i*2+1]);
 }
 
-void bin2hex(char *src, char *dst, size_t length)
+void bin2hex(char *src, char *dst, int length)
 {
-  size_t i;
+  int i;
   for(i=length-1; i>=0; i--)
     {
-      dst[i*2+1] = charbin2hex[src[i] & 15];
-      dst[i*2] = charbin2hex[src[i]>>4];
+      dst[i*2+1] = charbin2hex[(unsigned char)src[i] & 15];
+      dst[i*2] = charbin2hex[(unsigned char)src[i]>>4];
     }
 }
+
+char *cp_trace()
+{
+  syslog(LOG_DEBUG, "Checkpoint trace: %s:%d <- %s:%d <- %s:%d <- %s:%d <- %s:%d <- %s:%d <- %s:%d <- %s:%d ...",
+           cp_file[(cp_index+7)%8], cp_line[(cp_index+7)%8],
+           cp_file[(cp_index+6)%8], cp_line[(cp_index+6)%8],
+           cp_file[(cp_index+5)%8], cp_line[(cp_index+5)%8],
+           cp_file[(cp_index+4)%8], cp_line[(cp_index+4)%8],
+           cp_file[(cp_index+3)%8], cp_line[(cp_index+3)%8],
+           cp_file[(cp_index+2)%8], cp_line[(cp_index+2)%8],
+           cp_file[(cp_index+1)%8], cp_line[(cp_index+1)%8],
+           cp_file[cp_index], cp_line[cp_index]
+        );
+}