86 lines
3 KiB
C
86 lines
3 KiB
C
/*
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utils.c -- gathering of some stupid small functions
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Copyright (C) 1999-2001 Ivo Timmermans <zarq@iname.com>
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2000,2001 Guus Sliepen <guus@sliepen.eu.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <sys/types.h>
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#include <ctype.h>
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#include <string.h>
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#include "config.h"
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#include <utils.h>
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#include <syslog.h>
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#include <xalloc.h>
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#ifdef ENABLE_TRACING
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volatile int (cp_line[]) = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
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volatile char (*cp_file[]) = {"?", "?", "?", "?", "?", "?", "?", "?", "?", "?", "?", "?", "?", "?", "?", "?"};
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volatile int cp_index = 0;
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#endif
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char *hexadecimals = "0123456789ABCDEF";
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int charhex2bin(char c)
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{
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if(isdigit(c))
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return c - '0';
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else
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return toupper(c) - 'A' + 10;
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}
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void hex2bin(char *src, char *dst, int length)
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{
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int i;
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for(i = 0; i < length; i++)
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dst[i] = charhex2bin(src[i * 2]) * 16 + charhex2bin(src[i * 2 + 1]);
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}
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void bin2hex(char *src, char *dst, int length)
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{
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int i;
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for(i = length - 1; i >= 0; i--) {
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dst[i * 2 + 1] = hexadecimals[(unsigned char) src[i] & 15];
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dst[i * 2] = hexadecimals[(unsigned char) src[i] >> 4];
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}
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}
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#ifdef ENABLE_TRACING
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void cp_trace()
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{
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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...",
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cp_file[(cp_index + 15) % 16], cp_line[(cp_index + 15) % 16],
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cp_file[(cp_index + 14) % 16], cp_line[(cp_index + 14) % 16],
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cp_file[(cp_index + 13) % 16], cp_line[(cp_index + 13) % 16],
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cp_file[(cp_index + 12) % 16], cp_line[(cp_index + 12) % 16],
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cp_file[(cp_index + 11) % 16], cp_line[(cp_index + 11) % 16],
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cp_file[(cp_index + 10) % 16], cp_line[(cp_index + 10) % 16],
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cp_file[(cp_index + 9) % 16], cp_line[(cp_index + 9) % 16],
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cp_file[(cp_index + 8) % 16], cp_line[(cp_index + 8) % 16],
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cp_file[(cp_index + 7) % 16], cp_line[(cp_index + 7) % 16],
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cp_file[(cp_index + 6) % 16], cp_line[(cp_index + 6) % 16],
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cp_file[(cp_index + 5) % 16], cp_line[(cp_index + 5) % 16],
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cp_file[(cp_index + 4) % 16], cp_line[(cp_index + 4) % 16],
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cp_file[(cp_index + 3) % 16], cp_line[(cp_index + 3) % 16],
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cp_file[(cp_index + 2) % 16], cp_line[(cp_index + 2) % 16],
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cp_file[(cp_index + 1) % 16], cp_line[(cp_index + 1) % 16],
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cp_file[cp_index], cp_line[cp_index]
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);
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}
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#endif
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