From 3a4d20b35620a8478459f20dcaeb6a14cc25981a Mon Sep 17 00:00:00 2001
From: =?utf8?q?Ji=C5=99=C3=AD=20Mat=C4=9Bj=C3=A1k?=
 <jiri.matejak@fel.cvut.cz>
Date: Fri, 18 May 2018 10:56:00 +0200
Subject: [PATCH] free line on error

---
 mt_server.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/mt_server.c b/mt_server.c
index dc70aab..fa099bb 100644
--- a/mt_server.c
+++ b/mt_server.c
@@ -198,6 +198,8 @@ static int callback_merica_terminal(struct lws *wsi,
                     if (list_add(lines, line) == 0) {
                         lws_callback_on_writable_all_protocol(lws_get_context(wsi),
                             &protocols[PROTOCOL_MERICA_TERMINAL]);
+                    } else {
+                        free_line(line);
                     }
                 }
             } else if (strcmp((const char *)in, "close") == 0) {
@@ -225,15 +227,16 @@ static void fd_cb(EV_P_ ev_io *w_, int revents)
 
     if (*pos == '\n' || (w->pos - w->text) == INPUT_LINE_LENGTH) {
         *pos = 0;
-        if (list_add(w->lines, w->text) == 0) {
-            char *line = new_line();
-            if (line) {
+        char *line = new_line();
+        if (line) {
+            if (list_add(w->lines, w->text) == 0) {
                 w->text = line;
                 w->pos = w->text;
                 lws_callback_on_writable_all_protocol(w->context,
                     &protocols[PROTOCOL_MERICA_TERMINAL]);
                 return;
             }
+            free_line(line);
         }
         fprintf(stderr, "cannot malloc new line\n");
     }
-- 
2.39.2