core: allow partial buffer name in command /buffer close (closes #1226)

ChangeLog.adoc

@@ -18,6 +18,10 @@ https://weechat.org/files/releasenotes/ReleaseNotes-devel.html[release notes]
 [[v2.3]]
 == Version 2.3 (under dev)
 
+New features::
+
+  * core: allow partial buffer name in command /buffer close (issue #1226)
+
 Bug fixes::
 
   * core: send signal "key_pressed" for mouse code only if the string is UTF-8 valid (issue #1220)

src/core/wee-command.c

@@ -1063,6 +1063,11 @@ COMMAND_CALLBACK(buffer)
             else
             {
                 ptr_buffer = gui_buffer_search_by_full_name (argv_eol[2]);
+                if (!ptr_buffer)
+                {
+                    ptr_buffer = gui_buffer_search_by_partial_name (
+                        NULL, argv_eol[2]);
+                }
                 if (ptr_buffer)
                 {
                     if (ptr_buffer == weechat_buffer)