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/* Augment failing assertions with backtraces.
Copyright (C) 1994-2015 Free Software Foundation, Inc.
This file is part of the GNU Hurd.
The GNU Hurd 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, or (at
your option) any later version.
The GNU Hurd 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 the GNU Hurd. If not, see <http://www.gnu.org/licenses/>. */
#ifndef __ASSERT_BACKTRACE__
#define __ASSERT_BACKTRACE__
#ifdef NDEBUG
#define assert_backtrace(expr) ((void) 0)
#define assert_backtrace_perror(errnum) ((void) 0)
#else /* NDEBUG */
/* This prints an "Assertion failed" message, prints a stack trace,
and aborts. */
void __assert_fail_backtrace (const char *assertion,
const char *file,
unsigned int line,
const char *function)
__attribute__ ((noreturn, unused));
/* Likewise, but prints the error text for ERRNUM. */
void __assert_perror_fail_backtrace (int errnum,
const char *file,
unsigned int line,
const char *function)
__attribute__ ((noreturn, unused));
#define assert_backtrace(expr) \
((expr) \
? (void) 0 \
: __assert_fail_backtrace (__STRING(expr), \
__FILE__, __LINE__, \
__PRETTY_FUNCTION__))
#define assert_perror_backtrace(expr) \
((expr == 0) \
? (void) 0 \
: __assert_perror_fail_backtrace (expr, \
__FILE__, __LINE__, \
__PRETTY_FUNCTION__))
#endif /* NDEBUG */
#endif /* __ASSERT_BACKTRACE__ */
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