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50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
/* Copyright (C) 1991-2024 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 <sysdep.h>
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#include <errno.h>
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#include <unistd.h>
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#include <stddef.h>
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/* Write NBYTES of BUF to FD. Return the number written, or -1. */
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ssize_t
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__libc_write (int fd, const void *buf, size_t nbytes)
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{
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if (nbytes == 0)
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return 0;
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if (fd < 0)
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{
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__set_errno (EBADF);
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return -1;
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}
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if (buf == NULL)
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{
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__set_errno (EINVAL);
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return -1;
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}
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__set_errno (ENOSYS);
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return -1;
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}
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libc_hidden_def (__libc_write)
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stub_warning (write)
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weak_alias (__libc_write, __write)
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libc_hidden_weak (__write)
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weak_alias (__libc_write, write)
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libc_hidden_weak (write)
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