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Member "cryptsetup-2.4.3/lib/utils_io.h" (13 Jan 2022, 1843 Bytes) of package /linux/misc/cryptsetup-2.4.3.tar.xz:


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    1 /*
    2  * utils - miscellaneous I/O utilities for cryptsetup
    3  *
    4  * Copyright (C) 2004 Jana Saout <jana@saout.de>
    5  * Copyright (C) 2004-2007 Clemens Fruhwirth <clemens@endorphin.org>
    6  * Copyright (C) 2009-2021 Red Hat, Inc. All rights reserved.
    7  * Copyright (C) 2009-2021 Milan Broz
    8  *
    9  * This program is free software; you can redistribute it and/or
   10  * modify it under the terms of the GNU General Public License
   11  * as published by the Free Software Foundation; either version 2
   12  * of the License, or (at your option) any later version.
   13  *
   14  * This program is distributed in the hope that it will be useful,
   15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
   16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   17  * GNU General Public License for more details.
   18  *
   19  * You should have received a copy of the GNU General Public License
   20  * along with this program; if not, write to the Free Software
   21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
   22  */
   23 
   24 #ifndef _CRYPTSETUP_UTILS_IO_H
   25 #define _CRYPTSETUP_UTILS_IO_H
   26 
   27 #include <stddef.h>
   28 #include <sys/types.h>
   29 
   30 ssize_t read_buffer(int fd, void *buf, size_t length);
   31 ssize_t read_buffer_intr(int fd, void *buf, size_t length, volatile int *quit);
   32 ssize_t write_buffer(int fd, const void *buf, size_t length);
   33 ssize_t write_buffer_intr(int fd, const void *buf, size_t length, volatile int *quit);
   34 ssize_t write_blockwise(int fd, size_t bsize, size_t alignment,
   35             void *orig_buf, size_t length);
   36 ssize_t read_blockwise(int fd, size_t bsize, size_t alignment,
   37                void *orig_buf, size_t length);
   38 ssize_t write_lseek_blockwise(int fd, size_t bsize, size_t alignment,
   39                   void *buf, size_t length, off_t offset);
   40 ssize_t read_lseek_blockwise(int fd, size_t bsize, size_t alignment,
   41                  void *buf, size_t length, off_t offset);
   42 
   43 #endif