39 lines
1.1 KiB
C
39 lines
1.1 KiB
C
/* Avoid all the buffer overflow messages on stderr.
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Copyright (C) 2015-2018 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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<http://www.gnu.org/licenses/>. */
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#include <support/support.h>
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#include <fcntl.h>
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#include <paths.h>
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#include <stdlib.h>
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#include <unistd.h>
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void
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ignore_stderr (void)
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{
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int fd = open (_PATH_DEVNULL, O_WRONLY);
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if (fd == -1)
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close (STDERR_FILENO);
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else
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{
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dup2 (fd, STDERR_FILENO);
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close (fd);
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}
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setenv ("LIBC_FATAL_STDERR_", "1", 1);
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}
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