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patch 8.2.0189: cd() with NULL argument crashes

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Problem:    cd() with NULL argument crashes.
Solution:   Check for NULL. (Ken Takata, closes #5558)
This commit is contained in:
Bram Moolenaar 2020-01-31 22:41:38 +01:00
parent 7f829cab35
commit 7cc96923c4
3 changed files with 5 additions and 1 deletions
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2
src/ex_docmd.c
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@ -6572,7 +6572,7 @@ changedir_func(
int dir_differs; int dir_differs;
int retval = FALSE; int retval = FALSE;
if (allbuf_locked()) if (new_dir == NULL || allbuf_locked())
return FALSE; return FALSE;
if (vim_strchr(p_cpo, CPO_CHDIR) != NULL && curbufIsChanged() && !forceit) if (vim_strchr(p_cpo, CPO_CHDIR) != NULL && curbufIsChanged() && !forceit)

2
src/testdir/test_cd.vim
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@ -101,6 +101,8 @@ func Test_chdir_func()
call assert_fails("call chdir('dir-abcd')", 'E472:') call assert_fails("call chdir('dir-abcd')", 'E472:')
silent! let d = chdir("dir_abcd") silent! let d = chdir("dir_abcd")
call assert_equal("", d) call assert_equal("", d)
" Should not crash
call chdir(d)
only | tabonly only | tabonly
call chdir(topdir) call chdir(topdir)

2
src/version.c
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@ -742,6 +742,8 @@ static char *(features[]) =
static int included_patches[] = static int included_patches[] =
{ /* Add new patch number below this line */ { /* Add new patch number below this line */
/**/
189,
/**/ /**/
188, 188,
/**/ /**/