dahdi-tools/xpp/xtalk/debug.c

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/*
* Written by Oron Peled <oron@actcom.co.il>
* Copyright (C) 2008, Xorcom
*
* All rights reserved.
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <stdarg.h>
#include <syslog.h>
#include <execinfo.h>
#include <xtalk/debug.h>
#include <autoconfig.h>
int verbose = LOG_INFO;
int debug_mask;
void log_function(int level, int mask, const char *msg, ...)
{
va_list ap;
va_start(ap, msg);
if (verbose >= level) {
if (level < LOG_DEBUG || (mask & debug_mask))
vfprintf(stderr, msg, ap);
}
va_end(ap);
}
void dump_packet(int loglevel, int mask, const char *msg,
const char *buf, int len)
{
int i;
if (!mask || (mask & debug_mask)) {
log_function(loglevel, ~0, "%-15s:", msg);
for (i = 0; i < len; i++)
log_function(loglevel, ~0, " %02X", (uint8_t)buf[i]);
log_function(loglevel, ~0, "\n");
}
}
/* from glibc info(1) */
void print_backtrace(FILE *fp)
{
void *array[10];
size_t size;
char **strings;
size_t i;
size = backtrace(array, 10);
strings = backtrace_symbols(array, size);
for (i = 0; i < size; i++)
fprintf(fp, "%s\n", strings[i]);
free(strings);
}