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| author | Bram Moolenaar <Bram@vim.org> | 2017-02-20 23:07:05 +0100 |
|---|---|---|
| committer | Bram Moolenaar <Bram@vim.org> | 2017-02-20 23:07:05 +0100 |
| commit | 49439c4cdf7d2822255f292adda4226656fe144d (patch) | |
| tree | 2007c8f88c26e6aab7ce8d2696d57eb8637ae28f | |
| parent | e7877fe0de1426f8de9ada825e4f7b64810c7dbc (diff) | |
| download | vim-49439c4cdf7d2822255f292adda4226656fe144d.zip | |
patch 8.0.0344: unlet command leaks memory
Problem: Unlet command leaks memory. (Nikolai Pavlov)
Solution: Free the memory on error. (closes #1497)
| -rw-r--r-- | src/eval.c | 3 | ||||
| -rw-r--r-- | src/testdir/test_unlet.vim | 4 | ||||
| -rw-r--r-- | src/version.c | 2 |
3 files changed, 9 insertions, 0 deletions
diff --git a/src/eval.c b/src/eval.c index 3cd73b6ea..b835af8e3 100644 --- a/src/eval.c +++ b/src/eval.c @@ -2079,7 +2079,10 @@ get_lval( } /* 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); diff --git a/src/testdir/test_unlet.vim b/src/testdir/test_unlet.vim index 4c58785f2..c20b0beb7 100644 --- a/src/testdir/test_unlet.vim +++ b/src/testdir/test_unlet.vim @@ -17,3 +17,7 @@ func Test_not_existing() 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 diff --git a/src/version.c b/src/version.c index 5db4b111c..721485434 100644 --- a/src/version.c +++ b/src/version.c @@ -765,6 +765,8 @@ static char *(features[]) = static int included_patches[] = { /* Add new patch number below this line */ /**/ + 344, +/**/ 343, /**/ 342, |