--- libaitcli/src/aitcli.c	2013/12/03 20:33:14	1.13
+++ libaitcli/src/aitcli.c	2016/08/18 09:12:00	1.14.2.1
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@openbsd-bg.org>
 *
 * $Author: misho $
-* $Id: aitcli.c,v 1.13 2013/12/03 20:33:14 misho Exp $
+* $Id: aitcli.c,v 1.14.2.1 2016/08/18 09:12:00 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -1304,17 +1304,11 @@ cliReadLine(linebuffer_t * __restrict cli_buffer, int 
 
 		memset(buf, 0, sizeof buf);
 		readLen = read(cli_buffer->line_in, buf, BUFSIZ);
-		if (readLen == -1) {
-			LOGERR;
-			return str;
+		if (readLen < 1) {
+			if (readLen)
+				LOGERR;
+			return NULL;
 		}
-		if (!readLen) {
-			if (cli_buffer->line_buf)
-				str = e_strdup(cli_buffer->line_buf);
-			else
-				cli_SetErr(EPIPE, "Unknown state ...");
-			return str;
-		}
 
 recheck:
 		for (code = RETCODE_OK, i = MAX_BINDKEY - 1; i > -1; i--)
@@ -1361,7 +1355,7 @@ cliNetLoop(linebuffer_t * __restrict cli_buffer, const
 		int sock, int timeout)
 {
 	u_char buf[BUFSIZ];
-	int pid, stat, pty, r, s, alen, flg, attrlen = 0, ret = 0;
+	int pid, stat, pty, s, alen, flg, attrlen = 0, ret = 0;
 	fd_set fds;
 	struct timeval tv = { DEFAULT_SOCK_TIMEOUT, 0 };
 	struct telnetAttrs *a, Attr[10];
@@ -1406,7 +1400,7 @@ cliNetLoop(linebuffer_t * __restrict cli_buffer, const
 					break;
 				}
 
-				r = FD_ISSET(sock, &fds) ? sock : pty;
+				FD_ISSET(sock, &fds) ? sock : pty;
 				s = FD_ISSET(sock, &fds) ? pty : sock;
 
 				if (FD_ISSET(sock, &fds)) {
@@ -1446,8 +1440,9 @@ cliNetLoop(linebuffer_t * __restrict cli_buffer, const
 
 				if (FD_ISSET(pty, &fds)) {
 					memset(buf, 0, BUFSIZ);
-					if ((ret = read(pty, buf, BUFSIZ)) == -1) {
-						LOGERR;
+					if ((ret = read(pty, buf, BUFSIZ)) < 1) {
+						if (ret)
+							LOGERR;
 						break;
 					}