posix: Suppress -Os may be used uninitialized warnings on regexec
[glibc.git] / socket / recv.c
bloba13c58855dc31aa32295d8d9476453b5488decdb
1 /* Copyright (C) 1991-2022 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
18 #include <errno.h>
19 #include <sys/socket.h>
21 /* Read N bytes into BUF from socket FD.
22 Returns the number read or -1 for errors. */
23 ssize_t
24 __recv (int fd, void *buf, size_t n, int flags)
26 __set_errno (ENOSYS);
27 return -1;
29 libc_hidden_def (__recv)
30 weak_alias (__recv, recv)
32 stub_warning (recv)