X-Git-Url: https://tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=lib%2Futils.c;h=405097bbe3d01c592a05147c6df36422c614af65;hp=d79532b233a2212fb28a74efbc8bc43f1e50b169;hb=42a8158b1dca6ee4ec1707176199cc36c26da7af;hpb=462ab530e546f5732dfd51134751da6f6910d679

diff --git a/lib/utils.c b/lib/utils.c
index d79532b2..405097bb 100644
--- a/lib/utils.c
+++ b/lib/utils.c
@@ -1,7 +1,7 @@
 /*
     utils.c -- gathering of some stupid small functions
-    Copyright (C) 1999-2001 Ivo Timmermans <zarq@iname.com>
-                  2000,2001 Guus Sliepen <guus@sliepen.warande.net>
+    Copyright (C) 1999-2005 Ivo Timmermans
+                  2000-2009 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
@@ -13,75 +13,66 @@
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
 
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+    You should have received a copy of the GNU General Public License along
+    with this program; if not, write to the Free Software Foundation, Inc.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#include <sys/types.h>
-#include <ctype.h>
-#include <string.h>
+#include "system.h"
 
-#include "config.h"
+#include "../src/logger.h"
+#include "utils.h"
 
-#include <utils.h>
-#include <syslog.h>
-#include <xalloc.h>
+static const char hexadecimals[] = "0123456789ABCDEF";
 
-#ifdef ENABLE_TRACING
-volatile int (cp_line[]) = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
-volatile char (*cp_file[]) = {"?", "?", "?", "?", "?", "?", "?", "?", "?", "?", "?", "?", "?", "?", "?", "?"};
-volatile int cp_index = 0;
-#endif
-
-char *hexadecimals = "0123456789ABCDEF";
-
-int charhex2bin(char c)
-{
-  if(isdigit(c))
-    return c - '0';
-  else
-    return toupper(c) - 'A' + 10;
+static int charhex2bin(char c) {
+	if(isdigit(c))
+		return c - '0';
+	else
+		return toupper(c) - 'A' + 10;
 }
 
 
-void hex2bin(char *src, char *dst, int length)
-{
-  int i;
-  for(i=0; i<length; i++)
-    dst[i] = charhex2bin(src[i*2])*16 + charhex2bin(src[i*2+1]);
+void hex2bin(char *src, char *dst, int length) {
+	int i;
+	for(i = 0; i < length; i++)
+		dst[i] = charhex2bin(src[i * 2]) * 16 + charhex2bin(src[i * 2 + 1]);
 }
 
-void bin2hex(char *src, char *dst, int length)
-{
-  int i;
-  for(i=length-1; i>=0; i--)
-    {
-      dst[i*2+1] = hexadecimals[(unsigned char)src[i] & 15];
-      dst[i*2] = hexadecimals[(unsigned char)src[i]>>4];
-    }
+void bin2hex(char *src, char *dst, int length) {
+	int i;
+	for(i = length - 1; i >= 0; i--) {
+		dst[i * 2 + 1] = hexadecimals[(unsigned char) src[i] & 15];
+		dst[i * 2] = hexadecimals[(unsigned char) src[i] >> 4];
+	}
 }
 
-#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 <- %s:%d <- %s:%d <- %s:%d <- %s:%d <- %s:%d <- %s:%d <- %s:%d <- %s:%d...",
-           cp_file[(cp_index+15)%16], cp_line[(cp_index+15)%16],
-           cp_file[(cp_index+14)%16], cp_line[(cp_index+14)%16],
-           cp_file[(cp_index+13)%16], cp_line[(cp_index+13)%16],
-           cp_file[(cp_index+12)%16], cp_line[(cp_index+12)%16],
-           cp_file[(cp_index+11)%16], cp_line[(cp_index+11)%16],
-           cp_file[(cp_index+10)%16], cp_line[(cp_index+10)%16],
-           cp_file[(cp_index+9)%16], cp_line[(cp_index+9)%16],
-           cp_file[(cp_index+8)%16], cp_line[(cp_index+8)%16],
-           cp_file[(cp_index+7)%16], cp_line[(cp_index+7)%16],
-           cp_file[(cp_index+6)%16], cp_line[(cp_index+6)%16],
-           cp_file[(cp_index+5)%16], cp_line[(cp_index+5)%16],
-           cp_file[(cp_index+4)%16], cp_line[(cp_index+4)%16],
-           cp_file[(cp_index+3)%16], cp_line[(cp_index+3)%16],
-           cp_file[(cp_index+2)%16], cp_line[(cp_index+2)%16],
-           cp_file[(cp_index+1)%16], cp_line[(cp_index+1)%16],
-           cp_file[cp_index], cp_line[cp_index]
-        );
+#if defined(HAVE_MINGW) || defined(HAVE_CYGWIN)
+#ifdef HAVE_CYGWIN
+#include <w32api/windows.h>
+#endif
+
+const char *winerror(int err) {
+	static char buf[1024], *ptr;
+
+	ptr = buf + sprintf(buf, "(%d) ", err);
+
+	if (!FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
+	        NULL, err, MAKELANGID(LANG_NEUTRAL, SUBLANG_NEUTRAL), ptr, sizeof(buf) - (ptr - buf), NULL)) {
+		strcpy(ptr, "(unable to format errormessage)");
+	};
+
+	if((ptr = strchr(buf, '\r')))
+		*ptr = '\0';
+
+	return buf;
 }
 #endif
+
+unsigned int bitfield_to_int(const void *bitfield, size_t size) {
+	unsigned int value = 0;
+	if(size > sizeof value)
+		size = sizeof value;
+	memcpy(&value, bitfield, size);
+	return value;
+}