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Diffstat (limited to 'lib/utils_io.h')
-rw-r--r-- | lib/utils_io.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/lib/utils_io.h b/lib/utils_io.h new file mode 100644 index 0000000..509c1a2 --- /dev/null +++ b/lib/utils_io.h @@ -0,0 +1,42 @@ +/* + * 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) 2009-2019 Red Hat, Inc. All rights reserved. + * Copyright (C) 2009-2019 Milan Broz + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef _CRYPTSETUP_UTILS_IO_H +#define _CRYPTSETUP_UTILS_IO_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 |