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49 lines
2.0 KiB
49 lines
2.0 KiB
/**************************************************************************
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*
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* Copyright (C) 2014 Red Hat Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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#ifndef VREND_IOV_H
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#define VREND_IOV_H
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#include "config.h"
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#ifdef HAVE_SYS_UIO_H
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#include <sys/uio.h>
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#else
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struct iovec {
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void *iov_base;
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size_t iov_len;
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};
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#endif
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typedef void (*iov_cb)(void *cookie, unsigned int doff, void *src, int len);
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size_t vrend_get_iovec_size(const struct iovec *iov, int iovlen);
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size_t vrend_read_from_iovec(const struct iovec *iov, int iov_cnt,
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size_t offset, char *buf, size_t bytes);
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size_t vrend_write_to_iovec(const struct iovec *iov, int iov_cnt,
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size_t offset, const char *buf, size_t bytes);
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size_t vrend_read_from_iovec_cb(const struct iovec *iov, int iov_cnt,
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size_t offset, size_t bytes, iov_cb iocb, void *cookie);
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#endif
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