glibc/sysdeps/unix/sysv/linux/read.c

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/* Linux read syscall implementation.
Copyright (C) 2017-2019 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <unistd.h>
#include <sysdep-cancel.h>
/* Read NBYTES into BUF from FD. Return the number read or -1. */
ssize_t
__libc_read (int fd, void *buf, size_t nbytes)
{
return SYSCALL_CANCEL (read, fd, buf, nbytes);
}
libc_hidden_def (__libc_read)
libc_hidden_def (__read)
weak_alias (__libc_read, __read)
libc_hidden_def (read)
weak_alias (__libc_read, read)