Patch 8.0.0344
Problem: Unlet command leaks memory. (Nikolai Pavlov)
Solution: Free the memory on error. (closes #1497)
Files: src/eval.c, src/testdir/test_unlet.vim
*** ../vim-8.0.0343/src/eval.c 2017-02-20 22:35:29.013423395 +0100
--- src/eval.c 2017-02-20 23:01:52.241052040 +0100
***************
*** 2079,2085 ****
--- 2079,2088 ----
}
/* existing variable, need to check if it can be changed */
else if (var_check_ro(lp->ll_di->di_flags, name, FALSE))
+ {
+ clear_tv(&var1);
return NULL;
+ }
if (len == -1)
clear_tv(&var1);
*** ../vim-8.0.0343/src/testdir/test_unlet.vim 2016-01-15 18:39:37.000000000
+0100
--- src/testdir/test_unlet.vim 2017-02-20 22:52:35.737385559 +0100
***************
*** 17,19 ****
--- 17,23 ----
unlet! does_not_exist
call assert_fails('unlet does_not_exist', 'E108:')
endfunc
+
+ func Test_unlet_fails()
+ call assert_fails('unlet v:["count"]', 'E46:')
+ endfunc
*** ../vim-8.0.0343/src/version.c 2017-02-20 22:35:29.017423364 +0100
--- src/version.c 2017-02-20 23:02:56.028555995 +0100
***************
*** 766,767 ****
--- 766,769 ----
{ /* Add new patch number below this line */
+ /**/
+ 344,
/**/
--
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