--- libaitio/src/Attic/tools.c	2012/07/30 11:49:46	1.16.4.1
+++ libaitio/src/Attic/tools.c	2012/11/16 13:28:28	1.18.4.2
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@elwix.org>
 *
 * $Author: misho $
-* $Id: tools.c,v 1.16.4.1 2012/07/30 11:49:46 misho Exp $
+* $Id: tools.c,v 1.18.4.2 2012/11/16 13:28:28 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -303,6 +303,28 @@ io_FreeNullTerm(char *** __restrict arr)
 }
 
 /*
+ * io_argsNum() Parse and calculate number of arguments
+ *
+ * @csArgs = Input arguments line
+ * @csDelim = Delimiter(s) for separate
+ * return: 0 error format; -1 error:: can`t read; >0 ok, number of items
+ */
+inline int
+io_argsNum(const char *csArgs, const char *csDelim)
+{
+	register int res;
+	char *pos;
+
+	assert(csArgs);
+	assert(csDelim);
+	if (!csArgs || !csDelim)
+		return -1;
+
+	for (res = 1, pos = (char*) csArgs; (pos = strpbrk(pos, csDelim)); res++, pos++);
+	return res;
+}
+
+/*
  * io_MakeAV() Parse and make attribute/value pair
  *
  * @csArgs = Input argument line
@@ -616,4 +638,53 @@ io_gethostbyname(const char *psHost, u_short port, io_
 	}
 
 	return NULL;
+}
+
+/*
+ * io_addrcmp() - Compare network addresses
+ *
+ * @a = 1st address
+ * @b = 2nd address
+ * @p = compare and ports, if family is AF_INET or AF_INET6
+ * return: 0 is equal or !=0 is different
+ */
+int
+io_addrcmp(io_sockaddr_t * __restrict a, io_sockaddr_t * __restrict b, int p)
+{
+	if (a && b && a->sa.sa_family == b->sa.sa_family)
+		switch (a->sa.sa_family) {
+			case AF_LOCAL:
+				return strcmp(a->sun.sun_path, b->sun.sun_path);
+			case AF_INET:
+				if (p && (a->sin.sin_port - b->sin.sin_port))
+					return (int) !!(a->sin.sin_port - b->sin.sin_port);
+				else
+					return memcmp(&a->sin.sin_addr, &b->sin.sin_addr, 
+							sizeof a->sin.sin_addr);
+			case AF_INET6:
+				if (p && (a->sin6.sin6_port - b->sin6.sin6_port))
+					return (int) !!(a->sin6.sin6_port - b->sin6.sin6_port);
+				else
+					return memcmp(&a->sin6.sin6_addr, &b->sin6.sin6_addr, 
+							sizeof a->sin6.sin6_addr);
+			case AF_LINK:
+				return memcmp(&a->sdl.sdl_data, &b->sdl.sdl_data, 
+						sizeof a->sdl.sdl_data);
+		}
+
+	return (int) !!(a - b);
+}
+
+/*
+ * io_usleep() - usleep() replacement for ELWIX
+ *
+ * @usec = microseconds for sleep
+ * return: -1 interrupted by signal or 0 ok
+ */
+inline int
+io_usleep(u_int usec)
+{
+	struct timeval tv = { (time_t) (usec / 1000000), (long) (usec % 1000000) };
+
+	return select(0, NULL, NULL, NULL, &tv);
 }