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Roland McGrath
1995-02-18 01:27:10 +00:00
commit 28f540f45b
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/* Copyright (C) 1991, 1994, 1995 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#include <ansidecl.h>
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <sysdep.h>
CONST char *__assert_program_name;
/* This function, when passed a string containing an asserted
expression, a filename, and a line number, prints a message
on the standard error stream of the form:
a.c:10: foobar: Assertion `a == b' failed.
It then aborts program execution via a call to `abort'. */
#ifdef FATAL_PREPARE_INCLUDE
#include FATAL_PREPARE_INCLUDE
#endif
void
DEFUN(__assert_fail, (assertion, file, line, function),
CONST char *assertion AND
CONST char *file AND unsigned int line AND CONST char *function)
{
#ifdef FATAL_PREPARE
FATAL_PREPARE;
#endif
/* Print the message. */
(void) fprintf (stderr, "%s%s%s:%u: %s%sAssertion `%s' failed.\n",
__assert_program_name ? __assert_program_name : "",
__assert_program_name ? ": " : "",
file, line,
function ? function : "", function ? ": " : "",
assertion);
(void) fflush (stderr);
abort ();
}
#ifdef HAVE_GNU_LD
#include <string.h>
static void
DEFUN(set_progname, (argc, argv, envp),
int argc AND char **argv AND char **envp)
{
char *p;
if (argv && argv[0])
{
p = strrchr (argv[0], '/');
if (p == NULL)
__assert_program_name = argv[0];
else
__assert_program_name = p + 1;
}
(void) &set_progname; /* Avoid "defined but not used" warning. */
}
text_set_element (__libc_subinit, set_progname);
#endif