1 /* Copyright (C) 1991, 1994, 1995 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Library General Public License as
6 published by the Free Software Foundation; either version 2 of the
7 License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Library General Public License for more details.
14 You should have received a copy of the GNU Library General Public
15 License along with the GNU C Library; see the file COPYING.LIB. If
16 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
17 Cambridge, MA 02139, USA. */
26 CONST char *__assert_program_name;
28 /* This function, when passed a string containing an asserted
29 expression, a filename, and a line number, prints a message
30 on the standard error stream of the form:
31 a.c:10: foobar: Assertion `a == b' failed.
32 It then aborts program execution via a call to `abort'. */
34 #ifdef FATAL_PREPARE_INCLUDE
35 #include FATAL_PREPARE_INCLUDE
39 DEFUN(__assert_fail, (assertion, file, line, function),
40 CONST char *assertion AND
41 CONST char *file AND unsigned int line AND CONST char *function)
47 /* Print the message. */
48 (void) fprintf (stderr, "%s%s%s:%u: %s%sAssertion `%s' failed.\n",
49 __assert_program_name ? __assert_program_name : "",
50 __assert_program_name ? ": " : "",
52 function ? function : "", function ? ": " : "",
54 (void) fflush (stderr);
64 DEFUN(set_progname, (argc, argv, envp),
65 int argc AND char **argv AND char **envp)
71 p = strrchr (argv[0], '/');
73 __assert_program_name = argv[0];
75 __assert_program_name = p + 1;
78 (void) &set_progname; /* Avoid "defined but not used" warning. */
81 text_set_element (__libc_subinit, set_progname);