K&R style braces.

[tinc] / lib / utils.c

diff --git a/lib/utils.c b/lib/utils.c
index 2e40ef5..b327a49 100644 (file)
--- a/lib/utils.c
+++ b/lib/utils.c
@@ -1,7 +1,7 @@
 /*
     utils.c -- gathering of some stupid small functions
-    Copyright (C) 1999-2003 Ivo Timmermans <zarq@iname.com>
-                  2000-2003 Guus Sliepen <guus@sliepen.eu.org>
+    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
@@ -13,9 +13,9 @@
     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 "system.h"
@@ -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;
+}