[gnome-builder] langserv-client: use copy of inserted text

[Christian Hergert <chergert src gnome org>]

commit 6f8812572fce108d837b8764e07ced672b660af3
Author: Christian Hergert <chergert redhat com>
Date:   Mon Oct 24 00:44:12 2016 -0700

    langserv-client: use copy of inserted text
    
    There is no guarantee that text is \0 terminated, at least from what I
    can tell. So this makes a copy first before dispatching.
    
    We should still convert this ot use delay+piece-table, but that is for
    another day.

 libide/langserv/ide-langserv-client.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/libide/langserv/ide-langserv-client.c b/libide/langserv/ide-langserv-client.c
index b1a11a1..f4d7e25 100644
--- a/libide/langserv/ide-langserv-client.c
+++ b/libide/langserv/ide-langserv-client.c
@@ -137,6 +137,7 @@ ide_langserv_client_buffer_insert_text (IdeLangservClient *self,
 {
   g_autoptr(JsonNode) params = NULL;
   g_autofree gchar *uri = NULL;
+  g_autofree gchar *copy = NULL;
   gint line;
   gint column;
   gint version;
@@ -145,6 +146,8 @@ ide_langserv_client_buffer_insert_text (IdeLangservClient *self,
   g_assert (location != NULL);
   g_assert (IDE_IS_BUFFER (buffer));
 
+  copy = g_strndup (new_text, len);
+
   uri = ide_buffer_get_uri (buffer);
   version = (gint)ide_buffer_get_change_count (buffer);
 
@@ -169,7 +172,7 @@ ide_langserv_client_buffer_insert_text (IdeLangservClient *self,
           "}",
         "}",
         "rangeLength", JCON_INT (0),
-        "text", JCON_STRING (new_text),
+        "text", JCON_STRING (copy),
       "}",
     "]");