2 utils.c -- gathering of some stupid small functions
3 Copyright (C) 1999-2005 Ivo Timmermans <zarq@iname.com>
4 2000-2006 Guus Sliepen <guus@tinc-vpn.org>
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 #include "../src/logger.h"
27 volatile int (cp_line[]) = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
28 volatile char (*cp_file[]) = {"?", "?", "?", "?", "?", "?", "?", "?", "?", "?", "?", "?", "?", "?", "?", "?"};
29 volatile int cp_index = 0;
32 char *hexadecimals = "0123456789ABCDEF";
34 int charhex2bin(char c) {
38 return toupper(c) - 'A' + 10;
42 void hex2bin(char *src, char *dst, int length) {
44 for(i = 0; i < length; i++)
45 dst[i] = charhex2bin(src[i * 2]) * 16 + charhex2bin(src[i * 2 + 1]);
48 void bin2hex(char *src, char *dst, int length) {
50 for(i = length - 1; i >= 0; i--) {
51 dst[i * 2 + 1] = hexadecimals[(unsigned char) src[i] & 15];
52 dst[i * 2] = hexadecimals[(unsigned char) src[i] >> 4];
58 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...",
59 cp_file[(cp_index + 15) % 16], cp_line[(cp_index + 15) % 16],
60 cp_file[(cp_index + 14) % 16], cp_line[(cp_index + 14) % 16],
61 cp_file[(cp_index + 13) % 16], cp_line[(cp_index + 13) % 16],
62 cp_file[(cp_index + 12) % 16], cp_line[(cp_index + 12) % 16],
63 cp_file[(cp_index + 11) % 16], cp_line[(cp_index + 11) % 16],
64 cp_file[(cp_index + 10) % 16], cp_line[(cp_index + 10) % 16],
65 cp_file[(cp_index + 9) % 16], cp_line[(cp_index + 9) % 16],
66 cp_file[(cp_index + 8) % 16], cp_line[(cp_index + 8) % 16],
67 cp_file[(cp_index + 7) % 16], cp_line[(cp_index + 7) % 16],
68 cp_file[(cp_index + 6) % 16], cp_line[(cp_index + 6) % 16],
69 cp_file[(cp_index + 5) % 16], cp_line[(cp_index + 5) % 16],
70 cp_file[(cp_index + 4) % 16], cp_line[(cp_index + 4) % 16],
71 cp_file[(cp_index + 3) % 16], cp_line[(cp_index + 3) % 16],
72 cp_file[(cp_index + 2) % 16], cp_line[(cp_index + 2) % 16],
73 cp_file[(cp_index + 1) % 16], cp_line[(cp_index + 1) % 16],
74 cp_file[cp_index], cp_line[cp_index]
79 #if defined(HAVE_MINGW) || defined(HAVE_CYGWIN)
81 #include <w32api/windows.h>
84 char *winerror(int err) {
85 static char buf[1024], *newline;
87 if (!FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
88 NULL, err, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), buf, sizeof(buf), NULL)) {
89 strncpy(buf, _("(unable to format errormessage)"), sizeof(buf));
92 if((newline = strchr(buf, '\r')))