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c1016b727a
It now calls __libc_assert, which contains similar logic. The assert call only requires memory allocation for the message translation, so test-assert2.c is adapted to handle it. It also removes the fxprintf from assert/assert_perror; although it is not 100% backwards-compatible (write message only if there is a file descriptor associated with the stderr). It now writes bytes directly without going through the wide stream state. Checked on aarch64-linux-gnu. Reviewed-by: Florian Weimer <fweimer@redhat.com>
55 lines
1.8 KiB
C
55 lines
1.8 KiB
C
/* Copyright (C) 1994-2025 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 Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the 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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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <_itoa.h>
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#include <array_length.h>
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#include <assert.h>
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#include <intprops.h>
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#include <libintl.h>
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#include <string.h>
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#include <stdio.h>
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extern const char *__progname;
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/* This function, when passed an error number, a filename, and a line
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number, prints a message on the standard error stream of the form:
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a.c:10: foobar: Unexpected error: Computer bought the farm
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It then aborts program execution via a call to `abort'. */
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void
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__assert_perror_fail (int errnum,
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const char *file, unsigned int line,
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const char *function)
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{
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char errbuf[1024];
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const char *e = __strerror_r (errnum, errbuf, sizeof errbuf);
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char linebuf[INT_BUFSIZE_BOUND (unsigned int)];
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array_end (linebuf)[-1] = '\0';
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char *linestr = _itoa_word (line, array_end (linebuf) - 1, 10, 0);
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__libc_message (_("%s%s%s:%s: %s%sUnexpected error: %s.\n"),
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__progname,
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__progname[0] ? ": " : "",
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file,
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linestr,
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function ? function : "",
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function ? ": " : "",
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e);
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}
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libc_hidden_def (__assert_perror_fail)
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