--- libaitio/src/Attic/tools.c	2012/11/19 21:12:03	1.19
+++ libaitio/src/Attic/tools.c	2012/12/19 11:03:04	1.20
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@elwix.org>
 *
 * $Author: misho $
-* $Id: tools.c,v 1.19 2012/11/19 21:12:03 misho Exp $
+* $Id: tools.c,v 1.20 2012/12/19 11:03:04 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -687,4 +687,95 @@ io_usleep(u_int usec)
 	struct timeval tv = { (time_t) (usec / 1000000), (long) (usec % 1000000) };
 
 	return select(0, NULL, NULL, NULL, &tv);
+}
+
+/*
+ * io_AV2Path() - Attribute/Value pair store to file
+ *
+ * @csPath = Directory
+ * @csAttr = Attribute
+ * @csVal = Value
+ * @update = Update if a/v exists
+ * @perm = File permissions, if =0 set default perm=0600
+ * return: -1 error or >-1 written bytes
+ */
+int
+io_AV2Path(const char *csPath, const char *csAttr, const char *csVal, 
+		int update, int perm)
+{
+	int fd, wlen = 0;
+	char szFile[MAXPATHLEN];
+
+	if (!csAttr)
+		return -1;
+	else
+		memset(szFile, 0, sizeof szFile);
+	snprintf(szFile, sizeof szFile, "%s/%s.av", csPath ? csPath : ".", csAttr);
+
+	wlen = O_CREAT | O_WRONLY;
+	if (!update)
+		wlen |= O_EXCL;
+	fd = open(szFile, wlen, perm ? perm : 0600);
+	if (fd == -1) {
+		LOGERR;
+		return -1;
+	} else
+		wlen ^= wlen;
+
+	if (csVal)
+		if ((wlen = write(fd, csVal, strlen(csVal))) == -1) {
+			LOGERR;
+			close(fd);
+			unlink(szFile);
+			return -1;
+		}
+
+	close(fd);
+	return wlen;
+}
+
+/*
+ * io_Path2AV() - Get stored Attribute/Value
+ *
+ * @csPath = Directory
+ * @csAttr = Attribute
+ * @psVal = Value
+ * @valLen = Value length
+ * @del = Delete a/v pair after read
+ * return: -1 error or >-1 readed bytes
+ */
+int
+io_Path2AV(const char *csPath, const char *csAttr, char *psVal, int valLen, int del)
+{
+	int fd, rlen = 0;
+	char szFile[MAXPATHLEN];
+
+	if (!csAttr)
+		return -1;
+	else
+		memset(szFile, 0, sizeof szFile);
+	snprintf(szFile, sizeof szFile, "%s/%s.av", csPath ? csPath : ".", csAttr);
+
+	if (psVal && valLen) {
+		fd = open(szFile, O_RDONLY);
+		if (fd == -1) {
+			LOGERR;
+			return -1;
+		} else
+			rlen ^= rlen;
+
+		memset(psVal, 0, valLen);
+		rlen = read(fd, psVal, valLen - 1);
+		if (rlen == -1) {
+			LOGERR;
+			close(fd);
+			return -1;
+		}
+
+		close(fd);
+	}
+
+	if (del)
+		unlink(szFile);
+	return rlen;
 }