1 /* Copyright (C) 1991, 1994, 1995, 1996 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 not,
16 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 Boston, MA 02111-1307, USA. */
25 const char *__assert_program_name;
27 /* This function, when passed a string containing an asserted
28 expression, a filename, and a line number, prints a message
29 on the standard error stream of the form:
30 a.c:10: foobar: Assertion `a == b' failed.
31 It then aborts program execution via a call to `abort'. */
33 #ifdef FATAL_PREPARE_INCLUDE
34 #include FATAL_PREPARE_INCLUDE
38 __assert_fail (const char *assertion, const char *file, unsigned int line,
45 /* Print the message. */
46 (void) fprintf (stderr, _("%s%s%s:%u: %s%sAssertion `%s' failed.\n"),
47 __assert_program_name ? __assert_program_name : "",
48 __assert_program_name ? ": " : "",
50 function ? function : "", function ? ": " : "",
52 (void) fflush (stderr);
62 set_progname (int argc, char **argv, char **envp)
68 p = strrchr (argv[0], '/');
70 __assert_program_name = argv[0];
72 __assert_program_name = p + 1;
75 (void) &set_progname; /* Avoid "defined but not used" warning. */
78 text_set_element (__libc_subinit, set_progname);