--- libelwix/src/iov.c	2021/03/19 00:40:28	1.1.2.2
+++ libelwix/src/iov.c	2021/03/21 01:32:04	1.2
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@elwix.org>
 *
 * $Author: misho $
-* $Id: iov.c,v 1.1.2.2 2021/03/19 00:40:28 misho Exp $
+* $Id: iov.c,v 1.2 2021/03/21 01:32:04 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -90,7 +90,7 @@ iov_Destroy(iovec_t ** __restrict iov)
  * return: -1 error, 0 ok
  */
 int
-iov_Get(iovec_t * __restrict iov, u_int pos, void **data, size_t *datlen)
+iov_Get(iovec_t * __restrict iov, u_int pos, void *data, size_t *datlen)
 {
 	if (!iov || !data || !datlen)
 		return -1;
@@ -99,7 +99,7 @@ iov_Get(iovec_t * __restrict iov, u_int pos, void **da
 		return -1;
 
 	*datlen = MIN(*datlen, iov->iov_array[pos].iov_len);
-	memcpy(*data, iov->iov_array[pos].iov_base, *datlen);
+	memcpy(data, iov->iov_array[pos].iov_base, *datlen);
 
 	return 0;
 }
@@ -195,13 +195,16 @@ iov_Push(iovec_t * __restrict iov, void *data, size_t 
  * return: -1 error, !=-1 poped from position
  */
 int
-iov_Pop(iovec_t * __restrict iov, void **data, size_t *datlen, int mustfree)
+iov_Pop(iovec_t * __restrict iov, void *data, size_t *datlen, int mustfree)
 {
 	register int pos;
 
 	if (!iov)
 		return -1;
 
+	if (iov->iov_size < 1)
+		return 0;
+
 	for (pos = iov->iov_size - 1; pos >= 0; pos--)
 		if (iov->iov_array[pos].iov_base)
 			break;
@@ -263,22 +266,51 @@ iov_PushPair(iovec_t * __restrict iov, const char *nam
  * return: -1 error, !=-1 poped from position
  */
 int
-iov_PopPair(iovec_t * __restrict iov, char **name, size_t *namlen, void **data, size_t *datlen)
+iov_PopPair(iovec_t * __restrict iov, char *name, size_t *namlen, 
+		void *data, size_t *datlen, int mustfree)
 {
 	int pos;
 
 	if (!iov)
 		return -1;
 
-	if (iov_Pop(iov, data, datlen, 0) == -1)
+	if (iov_Pop(iov, data, datlen, mustfree) == -1)
 		return -1;
-	if ((pos = iov_Pop(iov, (void**) name, namlen, 42)) == -1)
+	if ((pos = iov_Pop(iov, name, namlen, 42)) == -1)
 		return -1;
 
 	return pos;
 }
 
 /*
+ * iov_FreePairs() - Free pairs/named data in iovec array
+ *
+ * @iov = iovec array
+ * @mustfree = data must be free before delete
+ * return: -1 error or 0 ok
+ */
+int
+iov_FreePairs(iovec_t * __restrict iov, int mustfree)
+{
+	register int pos;
+
+	if (!iov)
+		return -1;
+
+	if (iov->iov_size < 1)
+		return 0;
+
+	for (pos = 0; pos < (iov_Size(iov) & ~1); pos += 2) {
+		if (iov->iov_array[pos].iov_base)
+			iov_Delete(iov, pos, 42);
+		if (iov->iov_array[pos + 1].iov_base)
+			iov_Delete(iov, pos + 1, mustfree);
+	}
+
+	return 0;
+}
+
+/*
  * iov_Debug() - Debug of iovec array
  *
  * @iov = iovec array
@@ -292,6 +324,7 @@ iov_Debug(iovec_t * __restrict iov)
 	if (!iov)
 		return;
 
+	printf("iov_size=%zu iov_array=%p\n", iov->iov_size, iov->iov_array);
 	for (pos = 0; pos < iov->iov_size; pos++)
 		printf("IOVEC[%zu] base=%p len=%zu (%s)\n", pos, iov->iov_array[pos].iov_base, 
 				iov->iov_array[pos].iov_len, (char*) iov->iov_array[pos].iov_base);