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2f523a03f5
This implements MS-FSA algorithms BlockAlign() and BlockAlignTruncate(). Signed-off-by: Ralph Boehme <slow@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
46 lines
1.7 KiB
C
46 lines
1.7 KiB
C
/*
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* Unix SMB/CIFS implementation.
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* Samba system utilities
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* Copyright (C) Andrew Tridgell 1992-1998
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* Copyright (C) Jeremy Allison 1998-2005
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* Copyright (C) Timur Bakeyev 2005
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* Copyright (C) Bjoern Jacke 2006-2007
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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_SYS_RW_H__
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#define __LIB_SYS_RW_H__
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#include <unistd.h>
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struct iovec;
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off_t sys_block_align_truncate(off_t len, off_t align);
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off_t sys_block_align(off_t len, off_t align);
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bool sys_valid_io_range(off_t offset, size_t length);
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bool sys_io_ranges_overlap(size_t c1, off_t o1,
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size_t c2, off_t o2);
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ssize_t sys_read(int fd, void *buf, size_t count);
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void sys_read_v(int fd, void *buf, size_t count);
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ssize_t sys_write(int fd, const void *buf, size_t count);
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void sys_write_v(int fd, const void *buf, size_t count);
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ssize_t sys_writev(int fd, const struct iovec *iov, int iovcnt);
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ssize_t sys_pread(int fd, void *buf, size_t count, off_t off);
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ssize_t sys_pread_full(int fd, void *buf, size_t count, off_t off);
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ssize_t sys_pwrite(int fd, const void *buf, size_t count, off_t off);
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ssize_t sys_pwrite_full(int fd, const void *buf, size_t count, off_t off);
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#endif
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