1 files changed, 93 insertions, 0 deletions
diff --git a/sys/geom/virstor/binstream.h b/sys/geom/virstor/binstream.h
new file mode 100644
index 0000000..4ff4e6b
--- /dev/null
+++ b/sys/geom/virstor/binstream.h
@@ -0,0 +1,93 @@
+/*-
+ * Copyright (c) 2005 Ivan Voras <ivoras@gmail.com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+// $Id: binstream.h,v 1.1 2006/07/05 10:47:54 ivoras Exp $
+
+
+#ifndef _BIN_STREAM_
+#define _BIN_STREAM_
+
+#ifndef uint8_t
+#define uint8_t unsigned char
+#endif
+
+typedef struct {
+	unsigned char  *data;
+	int		pos;
+}	bin_stream_t;
+
+
+/* "Open" a binary stream for reading */
+void		bs_open   (bin_stream_t * bs, void *data);
+
+/* "Reset" position in binary stream to zero */
+void		bs_reset  (bin_stream_t * bs);
+
+
+/* Write a zero-terminated string; return next position */
+unsigned	bs_write_str(bin_stream_t * bs, char *data);
+
+/* Write an arbitrary buffer; return next position */
+unsigned	bs_write_buf(bin_stream_t * bs, char *data, unsigned data_size);
+
+/* Write a 8bit uint; return next position. */
+unsigned	bs_write_u8(bin_stream_t * bs, uint8_t data);
+
+/* Write a 16bit uint; return next position. */
+unsigned	bs_write_u16(bin_stream_t * bs, uint16_t data);
+
+/* Write a 32bit uint; return next position. */
+unsigned	bs_write_u32(bin_stream_t * bs, uint32_t data);
+
+/* Write a 64bit uint; return next position. */
+unsigned	bs_write_u64(bin_stream_t * bs, uint64_t data);
+
+
+/*
+ * Read a null-terminated string from stream into a buffer; buf_size is size
+ * of the buffer, including the final \0. Returns buf pointer or NULL if
+ * garbage input.
+ */
+char           *bs_read_str(bin_stream_t * bs, char *buf, unsigned buf_size);
+
+/* Read an arbitrary buffer. */
+void		bs_read_buf(bin_stream_t * bs, char *buf, unsigned buf_size);
+
+/* Read a 8bit uint * return it */
+uint8_t		bs_read_u8(bin_stream_t * bs);
+
+/* Read a 16bit uint * return it */
+uint16_t	bs_read_u16(bin_stream_t * bs);
+
+/* Read a 8bit uint * return it */
+uint32_t	bs_read_u32(bin_stream_t * bs);
+
+/* Read a 8bit uint * return it */
+uint64_t	bs_read_u64(bin_stream_t * bs);
+
+#endif