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Copy pathbacktrace.c
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61 lines (53 loc) · 1.57 KB
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/*
* common/backtrace.c - Backtrace handling functions
*
* Copyright © 2009 Julien Danjou <julien@danjou.info>
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#include "config.h"
#include "common/backtrace.h"
#ifdef HAS_EXECINFO
#include <execinfo.h>
#endif
#define MAX_STACK_SIZE 32
/** Get a backtrace.
* \param buf The buffer to fill with backtrace.
*/
void
backtrace_get(buffer_t *buf)
{
buffer_init(buf);
#ifdef HAS_EXECINFO
void *stack[MAX_STACK_SIZE];
char **bt;
int stack_size;
stack_size = backtrace(stack, countof(stack));
bt = backtrace_symbols(stack, stack_size);
if(bt)
{
for(int i = 0; i < stack_size; i++)
{
if(i > 0)
buffer_addsl(buf, "\n");
buffer_adds(buf, bt[i]);
}
p_delete(&bt);
}
else
#endif
buffer_addsl(buf, "Cannot get backtrace symbols.");
}
// vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80