+++ /dev/null
-/*
- utils.c -- gathering of some stupid small functions
- 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
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- 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.,
- 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
-*/
-
-#include "system.h"
-
-#include "../src/logger.h"
-#include "utils.h"
-
-static const char hexadecimals[] = "0123456789ABCDEF";
-
-static int charhex2bin(char c) {
- if(isdigit(c))
- return c - '0';
- else
- return toupper(c) - 'A' + 10;
-}
-
-bool hex2bin(char *src, char *dst, int length) {
- for(int i = 0; i < length; i++) {
- if(!isxdigit(src[i * 2]) || !isxdigit(src[i * 2 + 1]))
- return false;
- dst[i] = charhex2bin(src[i * 2]) * 16 + charhex2bin(src[i * 2 + 1]);
- }
- return true;
-}
-
-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];
- }
-}
-
-#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;
-}