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34 lines
1.2 KiB
C
34 lines
1.2 KiB
C
/* recvfrom with error checking.
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Copyright (C) 2016-2019 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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<http://www.gnu.org/licenses/>. */
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#include <support/xsocket.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <support/check.h>
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size_t
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xrecvfrom (int fd, void *buf, size_t buflen, int flags,
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struct sockaddr *sa, socklen_t *salen)
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{
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ssize_t ret = recvfrom (fd, buf, buflen, flags, sa, salen);
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if (ret < 0)
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FAIL_EXIT1 ("error: recvfrom (%d), %zu bytes buffer: %m", fd, buflen);
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return ret;
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}
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