Patch 8.2.1857

[Bram Moolenaar]

Patch 8.2.1857
Problem: Vim9: using job_status() on an unused var gives an error.
Solution: Return "fail". (closes #7158)
Files: src/job.c, src/testdir/test_vim9_assign.vim


*** ../vim-8.2.1856/src/job.c 2020-09-06 18:22:47.245500821 +0200
--- src/job.c 2020-10-17 18:45:20.022282781 +0200
***************
*** 1894,1905 ****
void
f_job_status(typval_T *argvars, typval_T *rettv)
{
! job_T *job = get_job_arg(&argvars[0]);
!
! if (job != NULL)
{
rettv->v_type = VAR_STRING;
! rettv->vval.v_string = vim_strsave((char_u *)job_status(job));
}
}

--- 1894,1914 ----
void
f_job_status(typval_T *argvars, typval_T *rettv)
{
! if (argvars[0].v_type == VAR_JOB && argvars[0].vval.v_job == NULL)
{
+ // A job that never started returns "fail".
rettv->v_type = VAR_STRING;
! rettv->vval.v_string = vim_strsave((char_u *)"fail");
! }
! else
! {
! job_T *job = get_job_arg(&argvars[0]);
!
! if (job != NULL)
! {
! rettv->v_type = VAR_STRING;
! rettv->vval.v_string = vim_strsave((char_u *)job_status(job));
! }
}
}

*** ../vim-8.2.1856/src/testdir/test_vim9_assign.vim 2020-10-16 19:56:08.581996958 +0200
--- src/testdir/test_vim9_assign.vim 2020-10-17 18:50:25.081450028 +0200
***************
*** 74,80 ****
--- 74,84 ----

if has('channel')
var chan1: channel
+ assert_equal('fail', ch_status(chan1))
+
var job1: job
+ assert_equal('fail', job_status(job1))
+
# calling job_start() is in test_vim9_fails.vim, it causes leak reports
endif
if has('float')
*** ../vim-8.2.1856/src/version.c 2020-10-17 17:39:51.821046489 +0200
--- src/version.c 2020-10-17 18:39:25.115216220 +0200
***************
*** 752,753 ****
--- 752,755 ----
{ /* Add new patch number below this line */
+ /**/
+ 1857,
/**/

--
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8<}} Glasses, big nose, beard

/// Bram Moolenaar -- Br...@Moolenaar.net -- http://www.Moolenaar.net \\\
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