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37af87e75e
This will prepare a msghdr for receiving fd's. Same pattern as before: First get the buffer size, then fill in msghdr. Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Ralph Boehme <slow@samba.org>
43 lines
1.4 KiB
C
43 lines
1.4 KiB
C
/*
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* Unix SMB/CIFS implementation.
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* Copyright (C) Volker Lendecke 2014
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __LIB_MSGHDR_H__
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#define __LIB_MSGHDR_H__
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#include <stddef.h>
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#include <stdint.h>
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#include <sys/uio.h>
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#include <sys/socket.h>
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ssize_t msghdr_prep_fds(struct msghdr *msg, uint8_t *buf, size_t bufsize,
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const int *fds, size_t num_fds);
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struct msghdr_buf;
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ssize_t msghdr_copy(struct msghdr_buf *msg, size_t msgsize,
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const void *addr, socklen_t addrlen,
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const struct iovec *iov, int iovcnt,
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const int *fds, size_t num_fds);
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struct msghdr *msghdr_buf_msghdr(struct msghdr_buf *msg);
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size_t msghdr_prep_recv_fds(struct msghdr *msg, uint8_t *buf, size_t bufsize,
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size_t num_fds);
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size_t msghdr_extract_fds(struct msghdr *msg, int *fds, size_t num_fds);
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#endif
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