--- libaitsync/src/patch.c	2011/05/09 14:36:33	1.2
+++ libaitsync/src/patch.c	2012/11/13 14:19:39	1.4
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@openbsd-bg.org>
 *
 * $Author: misho $
-* $Id: patch.c,v 1.2 2011/05/09 14:36:33 misho Exp $
+* $Id: patch.c,v 1.4 2012/11/13 14:19:39 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -12,7 +12,7 @@ terms:
 All of the documentation and software included in the ELWIX and AITNET
 Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>
 
-Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
+Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
 	by Michael Pounov <misho@elwix.org>.  All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
@@ -47,7 +47,16 @@ SUCH DAMAGE.
 #include "patch.h"
 
 
-int sync_buildPatch(void * __restrict buf, u_int buflen, struct tagPiece ** __restrict arr)
+/*
+ * sync_buildPatch() - Build patch from buffer to pieces array
+ *
+ * @buf = Input buffer
+ * @buflen = Buffer length
+ * @arr = Array from pieces
+ * return: -1 error, != -1 num pieces
+*/
+int
+sync_buildPatch(void * __restrict buf, u_int buflen, struct tagPiece ** __restrict arr)
 {
 	void *pos;
 	sync_chunk_t *prefix, *suffix;
@@ -60,7 +69,7 @@ int sync_buildPatch(void * __restrict buf, u_int bufle
 
 	a = malloc(sizeof(struct tagPiece));
 	if (!a) {
-		SETERR;
+		LOGERR;
 		return -1;
 	} else
 		memset(a, 0, sizeof(struct tagPiece));
@@ -68,13 +77,15 @@ int sync_buildPatch(void * __restrict buf, u_int bufle
 	for (pos = buf, i = 0; len && pos < buf + buflen; i++) {
 		a = realloc(a, sizeof(struct tagPiece) * (i + 2));
 		if (!a) {
-			SETERR;
+			LOGERR;
 			return -1;
 		} else {
 			memset(&a[i + 1], 0, sizeof(struct tagPiece));
-			// printf("%d.prefix_pos=%p len=%d\n", i, pos, len);
+#if 0
+			printf("start: %d.prefix_pos=%p len=%d\n", i, pos, len);
+#endif
 
-			// prefix chunk
+			/* prefix chunk */
 			prefix = pos;
 			if (prefix->sc_magic != DLTSYNC_MAGIC) {
 				if (a) {
@@ -87,9 +98,11 @@ int sync_buildPatch(void * __restrict buf, u_int bufle
 				pos += sizeof(sync_chunk_t);
 				len -= sizeof(sync_chunk_t);
 			}
-			// printf("%d.prefix=%p pos=%p len=%d\n", i, a[i].pfx, pos, len);
+#if 0
+			printf("prefix: %d.prefix=%p pos=%p len=%d\n", i, a[i].pfx, pos, len);
+#endif
 
-			// data
+			/* data */
 			if (!len) {
 				if (a) {
 					free(a);
@@ -101,9 +114,11 @@ int sync_buildPatch(void * __restrict buf, u_int bufle
 				pos += prefix->sc_len;
 				len -= prefix->sc_len;
 			}
-			// printf("%d.data=%p pos=%p len=%d\n", i, a[i].buf, pos, len);
+#if 0
+			printf("data: %d.data=%p pos=%p len=%d\n", i, a[i].buf, pos, len);
+#endif
 
-			// if find sync chunk
+			/* if find sync chunk */
 			if (len) {
 				suffix = pos;
 				if (SIGSYNC_MAGIC == suffix->sc_magic) {
@@ -111,7 +126,9 @@ int sync_buildPatch(void * __restrict buf, u_int bufle
 					pos += sizeof(sync_chunk_t);
 					len -= sizeof(sync_chunk_t);
 				}
-				// printf("%d.data=%p pos=%p len=%d\n", i, a[i].sfx, pos, len);
+#if 0
+				printf("suffix: %d.data=%p pos=%p len=%d\n", i, a[i].sfx, pos, len);
+#endif
 			}
 		}
 	}