1 /* Linux read syscall implementation.
2 Copyright (C) 2017-2022 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19 #include <unistd.h>
20 #include <sysdep-cancel.h>
21
22 /* Read NBYTES into BUF from FD. Return the number read or -1. */
23 ssize_t
__libc_read(int fd,void * buf,size_t nbytes)24 __libc_read (int fd, void *buf, size_t nbytes)
25 {
26 return SYSCALL_CANCEL (read, fd, buf, nbytes);
27 }
28 libc_hidden_def (__libc_read)
29
30 libc_hidden_def (__read)
31 weak_alias (__libc_read, __read)
32 libc_hidden_def (read)
33 weak_alias (__libc_read, read)
34