Status: New
Owner: ----
Labels: Type-Defect Priority-Medium
New issue 158 by [email protected]: ":echo serverlist()" leaks memory
every time it is run.
http://code.google.com/p/vim/issues/detail?id=158
Description: the Ex command ":echo serverlist()" leaks memory every
time it is run.
What steps will reproduce the problem?
1. Run the following command which run ":echo serverlist()" 20 times
for example (it will result in 20 blocks leaked):
$ valgrind --leak-check=yes \
--log-file=valgrind.log \
./vim -c 'for i in range(20)|echo serverlist()|endfor|q'
2. Observe 20 blocks leaked in valgrind.log:
$ cat valgrind.log
...
==4730== 20 bytes in 20 blocks are definitely lost in loss record 11 of 34
==4730== at 0x4C2B3F8: malloc (in
/usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==4730== by 0x5269888: XtMalloc (in
/usr/lib/x86_64-linux-gnu/libXt.so.6.0.0)
==4730== by 0x5274B20: XtOpenDisplay (in
/usr/lib/x86_64-linux-gnu/libXt.so.6.0.0)
==4730== by 0x5423DD: setup_term_clip (os_unix.c:6704)
==4730== by 0x4360AE: f_serverlist (eval.c:15007)
==4730== by 0x44A962: call_func (eval.c:8530)
==4730== by 0x451213: get_func_tv (eval.c:8343)
==4730== by 0x44E3D3: eval7 (eval.c:5153)
==4730== by 0x44EF75: eval6.constprop.106 (eval.c:4805)
==4730== by 0x44FE63: eval3 (eval.c:4621)
==4730== by 0x4501C2: eval2 (eval.c:4155)
==4730== by 0x450AF3: ex_echo (eval.c:4080)
==4730== by 0x479F1A: do_one_cmd (ex_docmd.c:2689)
==4730== by 0x47D25C: do_cmdline (ex_docmd.c:1127)
==4730== by 0x40A480: main (main.c:2898)
What version of the product are you using? On what operating system?
7.4a.44 BETA (huge) on Linux x86_64.
Please provide any additional information below.
Vim leaks here in os_unix.c:
6704 xterm_dpy = XtOpenDisplay(app_context, xterm_display,
6705 "vim_xterm", "Vim_xterm", NULL, 0, &z, &strp);
I suppose that we need to call XtCloseDisplay(xterm_dpy) somewhere
but I'm not sure where it's safe to call it.
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