1 /* recvfrom with error checking.
2 Copyright (C) 2016-2022 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 <support/xsocket.h>
20
21 #include <stdio.h>
22 #include <stdlib.h>
23 #include <support/check.h>
24
25 size_t
xrecvfrom(int fd,void * buf,size_t buflen,int flags,struct sockaddr * sa,socklen_t * salen)26 xrecvfrom (int fd, void *buf, size_t buflen, int flags,
27 struct sockaddr *sa, socklen_t *salen)
28 {
29 ssize_t ret = recvfrom (fd, buf, buflen, flags, sa, salen);
30 if (ret < 0)
31 FAIL_EXIT1 ("error: recvfrom (%d), %zu bytes buffer: %m", fd, buflen);
32 return ret;
33 }
34