--- libelwix/inc/elwix/apack.h	2013/06/28 08:39:41	1.1.2.1
+++ libelwix/inc/elwix/apack.h	2013/06/28 11:06:31	1.1.2.2
@@ -2,5 +2,54 @@
 #define __APACK_H
 
 
+typedef struct tagRawPacket {
+	size_t	r_len;
+	uint8_t	*r_buf;
+	uint8_t	*r_next;
+} rpack_t;
+
+#define RPACK_FREE(x)		(assert((x)), memset((x), 0, sizeof(rpack_t)))
+#define RPACK_INIT(x, b, l)	do { assert((x)); RPACK_FREE(x); \
+					(x)->r_buf = (b); \
+       					(x)->r_len = (l); \
+					(x)->r_next = (x)->r_buf; \
+				} while (0)
+#define RPACK_SANITY(x)		((x) && (x)->r_buf && (x)->r_next && (x)->r_next >= (x)->r_buf)
+
+
+/*
+ * rpack_align_and_reserve() - Align & reserve space
+ *
+ * @rp = raw buffer
+ * @siz = need size
+ * return: NULL error or not enough space, !=NULL next position
+ */
+uint8_t *rpack_align_and_reserve(rpack_t * __restrict rp, size_t siz);
+
+/*
+ * rpack_create() - Allocate & init raw packet structure
+ *
+ * @buf = buffer
+ * @buflen = length of buffer
+ * return: NULL error or !=NULL raw packet, should be freed by rpack_destroy()
+ */
+rpack_t *rpack_create(void * __restrict buf, size_t buflen);
+/*
+ * rpack_destroy() - Release & free raw packet structure
+ *
+ * @rp = raw packet
+ * return: none
+ */
+void rpack_destroy(rpack_t ** __restrict rp);
+
+/*
+ * rpack_uint8() - Pack/Unpack 8bit value
+ *
+ * @rp = raw buffer
+ * @n = set value if !=NULL
+ * return: -1 error or get value
+ */
+uint8_t rpack_uint8(rpack_t * __restrict rp, uint8_t * __restrict n);
+
 
 #endif