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https://github.com/awesomeWM/awesome
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55 lines
1.6 KiB
C
55 lines
1.6 KiB
C
/*
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* common/backtrace.c - Backtrace handling functions
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*
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* Copyright © 2009 Julien Danjou <julien@danjou.info>
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*
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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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*
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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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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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*/
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#include <execinfo.h>
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#include "common/backtrace.h"
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#define MAX_STACK_SIZE 32
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/** Get a backtrace.
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* \param buf The buffer to fill with backtrace.
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*/
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void
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backtrace_get(buffer_t *buf)
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{
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void *stack[MAX_STACK_SIZE];
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char **bt;
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int stack_size;
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stack_size = backtrace(stack, countof(stack));
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bt = backtrace_symbols(stack, stack_size);
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buffer_init(buf);
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if(bt)
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{
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for(int i = 0; i < stack_size; i++)
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{
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if(i > 0)
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buffer_addsl(buf, "\n");
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buffer_adds(buf, bt[i]);
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}
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p_delete(&bt);
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}
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else
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buffer_addsl(buf, "Cannot get backtrace symbols.");
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}
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// vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80
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