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31 lines
1.1 KiB
C
31 lines
1.1 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* utils - miscellaneous I/O utilities for cryptsetup
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*
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* Copyright (C) 2004 Jana Saout <jana@saout.de>
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* Copyright (C) 2004-2007 Clemens Fruhwirth <clemens@endorphin.org>
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* Copyright (C) 2009-2025 Red Hat, Inc. All rights reserved.
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* Copyright (C) 2009-2025 Milan Broz
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*/
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#ifndef _CRYPTSETUP_UTILS_IO_H
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#define _CRYPTSETUP_UTILS_IO_H
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#include <stddef.h>
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#include <sys/types.h>
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ssize_t read_buffer(int fd, void *buf, size_t length);
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ssize_t read_buffer_intr(int fd, void *buf, size_t length, volatile int *quit);
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ssize_t write_buffer(int fd, const void *buf, size_t length);
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ssize_t write_buffer_intr(int fd, const void *buf, size_t length, volatile int *quit);
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ssize_t write_blockwise(int fd, size_t bsize, size_t alignment,
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void *orig_buf, size_t length);
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ssize_t read_blockwise(int fd, size_t bsize, size_t alignment,
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void *orig_buf, size_t length);
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ssize_t write_lseek_blockwise(int fd, size_t bsize, size_t alignment,
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void *buf, size_t length, off_t offset);
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ssize_t read_lseek_blockwise(int fd, size_t bsize, size_t alignment,
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void *buf, size_t length, off_t offset);
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#endif
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