1 files changed, 43 insertions, 0 deletions
diff --git a/lib/utils_io.h b/lib/utils_io.h
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--- /dev/null
+++ b/lib/utils_io.h
@@ -0,0 +1,43 @@
+/*
+ * 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) 2009-2023 Red Hat, Inc. All rights reserved.
+ * Copyright (C) 2009-2023 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 <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