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