non-line scrolling mode in getline

CHANGELOG.md

@@ -1,5 +1,8 @@
 # Clixon CHANGELOG
 
+* Support for non-line scrolling in CLI, eg wrap lines. Set with:
+  CLICON_CLI_LINESCROLLING 0
+
 ## 3.3.2 Aug 27 2017
 
 ### Known issues

apps/cli/cli_handle.c

@@ -146,6 +146,9 @@ cli_syntax_set(clicon_handle h,
 	       cli_syntax_t *stx)
 {
     struct cli_handle *cl = handle(h);
+
+    if (cl->cl_stx)
+	free(cl->cl_stx);
     cl->cl_stx = stx;
     return 0;
 }

apps/cli/cli_main.c

@@ -392,6 +392,7 @@ main(int argc, char **argv)
     cli_plugin_start(h, argc+1, argv-1);
     *(argv-1) = tmp;
 
+    cligen_line_scrolling_set(cli_cligen(h), clicon_option_int(h,"CLICON_CLI_LINESCROLLING"));
     /* Launch interfactive event loop, unless -1 */
     if (restarg != NULL && strlen(restarg)){
 	char *mode = cli_syntax_mode(h);

clixon.conf.cpp.cpp

@@ -119,6 +119,10 @@ CLICON_XMLDB_PLUGIN libdir/xmldb/text.so
 # Dont include keys in cvec in cli vars callbacks, ie a & k in 'a <b> k <c>' ignored
 # CLICON_CLI_VARONLY      1
 
+# Set to 0 if you want CLI to wrap to next line.
+# Set to 1 if you  want CLI to scroll sideways when approaching right margin
+# CLICON_CLI_LINESCROLLING      1
+
 # FastCGI unix socket. Should be specified in webserver
 # Eg in nginx: fastcgi_pass unix:/www-data/clicon_restconf.sock;
 CLICON_RESTCONF_PATH /www-data/fastcgi_restconf.sock

example/routing.conf.local

@@ -32,3 +32,7 @@ CLICON_USE_STARTUP_CONFIG    0
 # XMLDB datastore plugin filename (see datastore/ and clixon_xml_db.[ch])
 CLICON_XMLDB_PLUGIN /usr/local/lib/xmldb/text.so
 #CLICON_XMLDB_PLUGIN /usr/local/lib/xmldb/keyvalue.so
+
+# Set to 0 if you want CLI to wrap to next line.
+# Set to 1 if you  want CLI to scroll sideways when approaching right margin
+CLICON_CLI_LINESCROLLING      0