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