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authorBram Moolenaar <Bram@vim.org>2021-01-12 22:08:53 +0100
committerBram Moolenaar <Bram@vim.org>2021-01-12 22:08:53 +0100
commit37487e16da7877129edee8d11b9b7f5c8df312c6 (patch)
tree0363a52316b5f9bfc366235c6006324ac57599b8
parenta47e05f04a5a5c0369c949157c24d09cbe64ad6a (diff)
patch 8.2.2340: win_execute() unexpectedly returns number zero when failingv8.2.2340
Problem: win_execute() unexpectedly returns number zero when failing. Solution: Return an empty string. (closes #7665)
-rw-r--r--src/evalwindow.c4
-rw-r--r--src/testdir/test_execute_func.vim2
-rw-r--r--src/testdir/test_vim9_builtin.vim5
-rw-r--r--src/version.c2
4 files changed, 13 insertions, 0 deletions
diff --git a/src/evalwindow.c b/src/evalwindow.c
index 492269ede4..e00747a2de 100644
--- a/src/evalwindow.c
+++ b/src/evalwindow.c
@@ -673,6 +673,10 @@ f_win_execute(typval_T *argvars, typval_T *rettv)
win_T *save_curwin;
tabpage_T *save_curtab;
+ // Return an empty string if something fails.
+ rettv->v_type = VAR_STRING;
+ rettv->vval.v_string = NULL;
+
if (wp != NULL && tp != NULL)
{
pos_T curpos = wp->w_cursor;
diff --git a/src/testdir/test_execute_func.vim b/src/testdir/test_execute_func.vim
index e02b08eb4b..036371715c 100644
--- a/src/testdir/test_execute_func.vim
+++ b/src/testdir/test_execute_func.vim
@@ -89,6 +89,8 @@ func Test_win_execute()
call win_gotoid(thiswin)
let line = win_execute(otherwin, 'echo getline(1)')
call assert_match('the new window', line)
+ let line = win_execute(134343, 'echo getline(1)')
+ call assert_equal('', line)
if has('popupwin')
let popupwin = popup_create('the popup win', {'line': 2, 'col': 3})
diff --git a/src/testdir/test_vim9_builtin.vim b/src/testdir/test_vim9_builtin.vim
index a84b7f6210..40cfdcbb14 100644
--- a/src/testdir/test_vim9_builtin.vim
+++ b/src/testdir/test_vim9_builtin.vim
@@ -800,6 +800,11 @@ def Test_timer_paused()
timer_stop(id)
enddef
+def Test_win_execute()
+ assert_equal("\n" .. winnr(), win_execute(win_getid(), 'echo winnr()'))
+ assert_equal('', win_execute(342343, 'echo winnr()'))
+enddef
+
def Test_win_splitmove()
split
win_splitmove(1, 2, {vertical: true, rightbelow: true})
diff --git a/src/version.c b/src/version.c
index fe41ec27a0..24462a0e67 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
+ 2340,
+/**/
2339,
/**/
2338,