X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=lib%2Futils.c;h=1d46630b0782be4c1e35ff805c7fc38539535977;hb=075e6828a7533e7daa790225f17aa6bb39703278;hp=eee62a45212d59cb82dbaaca17a751e1d4d1f0b3;hpb=df3220a1549f992cbf4a9b6e67c1e67b69896c7d;p=meshlink

diff --git a/lib/utils.c b/lib/utils.c
index eee62a45..1d46630b 100644
--- a/lib/utils.c
+++ b/lib/utils.c
@@ -1,7 +1,7 @@
 /*
     utils.c -- gathering of some stupid small functions
     Copyright (C) 1999-2005 Ivo Timmermans <zarq@iname.com>
-                  2000-2005 Guus Sliepen <guus@tinc-vpn.org>
+                  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
@@ -29,10 +29,9 @@ volatile char (*cp_file[]) = {"?", "?", "?", "?", "?", "?", "?", "?", "?", "?",
 volatile int cp_index = 0;
 #endif
 
-char *hexadecimals = "0123456789ABCDEF";
+const char hexadecimals[] = "0123456789ABCDEF";
 
-int charhex2bin(char c)
-{
+int charhex2bin(char c) {
 	if(isdigit(c))
 		return c - '0';
 	else
@@ -40,15 +39,13 @@ int charhex2bin(char c)
 }
 
 
-void hex2bin(char *src, char *dst, int length)
-{
+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)
-{
+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];
@@ -57,8 +54,7 @@ void bin2hex(char *src, char *dst, int length)
 }
 
 #ifdef ENABLE_TRACING
-void cp_trace()
-{
+void cp_trace() {
 	logger(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],
@@ -85,7 +81,7 @@ void cp_trace()
 #include <w32api/windows.h>
 #endif
 
-char *winerror(int err) {
+const char *winerror(int err) {
 	static char buf[1024], *newline;
 
 	if (!FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
@@ -100,3 +96,10 @@ char *winerror(int err) {
 }
 #endif
 
+unsigned int bitfield_to_int(void *bitfield, size_t size) {
+	unsigned int value = 0;
+	if(size > sizeof value)
+		size = sizeof value;
+	memcpy(&value, bitfield, size);
+	return value;
+}