vim-patch:7.4.1768

Problem:    Arguments of setqflist() are not checked properly.
Solution:   Add better checks, add a test. (Nikolai Pavlov, Hirohito Higashi,
            closes vim/vim#661)

https://github.com/vim/vim/commit/d106e5ba7f10f0d2a14eaefe5d78405044416cb9

5 files changed, 111 insertions, 20 deletions

diff --git a/src/nvim/eval.c b/src/nvim/eval.c
index 39e121eb53..45364a1666 100644
--- a/src/nvim/eval.c
+++ b/src/nvim/eval.c
@@ -158,7 +158,7 @@ static char *e_listdictarg = N_(
 static char *e_emptykey = N_("E713: Cannot use empty key for Dictionary");
 static char *e_listreq = N_("E714: List required");
 static char *e_dictreq = N_("E715: Dictionary required");
-static char *e_strreq = N_("E114: String required");
+static char *e_stringreq = N_("E928: String required");
 static char *e_toomanyarg = N_("E118: Too many arguments for function: %s");
 static char *e_dictkey = N_("E716: Key not present in Dictionary: %s");
 static char *e_funcexts = N_(
@@ -14996,6 +14996,7 @@ static void f_setline(typval_T *argvars, typval_T *rettv, FunPtr fptr)
 static void set_qf_ll_list(win_T *wp, typval_T *args, typval_T *rettv)
   FUNC_ATTR_NONNULL_ARG(2, 3)
 {
+  static char *e_invact = N_("E927: Invalid action: '%s'");
   char_u *title = NULL;
   int action = ' ';
   rettv->vval.v_number = -1;
@@ -15011,13 +15012,17 @@ static void set_qf_ll_list(win_T *wp, typval_T *args, typval_T *rettv)
     // Option argument was not given.
     goto skip_args;
   } else if (action_arg->v_type != VAR_STRING) {
-    EMSG(_(e_strreq));
+    EMSG(_(e_stringreq));
     return;
   }
   char_u *act = get_tv_string_chk(action_arg);
-  if (*act == 'a' || *act == 'r') {
+  if ((*act == 'a' || *act == 'r' || *act == ' ') && act[1] == NUL) {
     action = *act;
   }
+  else {
+    EMSG2(_(e_invact), act);
+    return;
+  }
 
   typval_T *title_arg = &args[2];
   if (title_arg->v_type == VAR_UNKNOWN) {
diff --git a/src/nvim/po/uk.po b/src/nvim/po/uk.po
index bbbb462292..3145931bfe 100644
--- a/src/nvim/po/uk.po
+++ b/src/nvim/po/uk.po
@@ -564,8 +564,8 @@ msgstr "E714: Потрібен список"
 msgid "E715: Dictionary required"
 msgstr "E715: Потрібен словник"
 
-msgid "E114: String required"
-msgstr "E114: Потрібен String"
+msgid "E928: String required"
+msgstr "E928: Потрібен String"
 
 #, c-format
 msgid "E118: Too many arguments for function: %s"
diff --git a/src/nvim/testdir/test_quickfix.vim b/src/nvim/testdir/test_quickfix.vim
index 9955b4f775..2c6f3c922a 100644
--- a/src/nvim/testdir/test_quickfix.vim
+++ b/src/nvim/testdir/test_quickfix.vim
@@ -483,7 +483,7 @@ endfunction
 function Test_locationlist_curwin_was_closed()
     augroup testgroup
       au!
-      autocmd BufReadCmd t call R(expand("<amatch>"))
+      autocmd BufReadCmd test_curwin.txt call R(expand("<amatch>"))
     augroup END
 
     function! R(n)
@@ -492,7 +492,7 @@ function Test_locationlist_curwin_was_closed()
 
     new
     let q = []
-    call add(q, {'filename': 't' })
+    call add(q, {'filename': 'test_curwin.txt' })
     call setloclist(0, q)
     call assert_fails('lrewind', 'E924:')
 
@@ -625,14 +625,14 @@ function XquickfixChangedByAutocmd(cchar)
   let Xgetexpr = a:cchar . 'getexpr'
   let Xrewind = a:cchar . 'rewind'
   if a:cchar == 'c'
-    let Xsetlist = 'setqflist('
+    let Xsetlist = function('setqflist')
     let ErrorNr = 'E925'
     function! ReadFunc()
       colder
       cgetexpr []
     endfunc
   else
-    let Xsetlist = 'setloclist(0,'
+    let Xsetlist = function('setloclist', [0])
     let ErrorNr = 'E926'
     function! ReadFunc()
       lolder
@@ -642,15 +642,15 @@ function XquickfixChangedByAutocmd(cchar)
 
   augroup testgroup
     au!
-    autocmd BufReadCmd t call ReadFunc()
+    autocmd BufReadCmd test_changed.txt call ReadFunc()
   augroup END
 
-  bwipe!
+  new | only
   let words = [ "a", "b" ]
   let qflist = []
   for word in words
-    call add(qflist, {'filename': 't'})
-    exec "call " . Xsetlist . "qflist, '')"
+    call add(qflist, {'filename': 'test_changed.txt'})
+    call Xsetlist(qflist, ' ')
   endfor
   exec "call assert_fails('" . Xrewind . "', '" . ErrorNr . ":')"
 
@@ -727,3 +727,89 @@ function Test_setqflist()
 
   call delete('Xtestfile')
 endfunction
+
+function! XquickfixSetListWithAct(cchar)
+  let Xolder = a:cchar . 'older'
+  let Xnewer = a:cchar . 'newer'
+  if a:cchar == 'c'
+    let Xsetlist = function('setqflist')
+    let Xgetlist = function('getqflist')
+  else
+    let Xsetlist = function('setloclist', [0])
+    let Xgetlist = function('getloclist', [0])
+  endif
+  let list1 = [{'filename': 'fnameA', 'text': 'A'},
+          \    {'filename': 'fnameB', 'text': 'B'}]
+  let list2 = [{'filename': 'fnameC', 'text': 'C'},
+          \    {'filename': 'fnameD', 'text': 'D'},
+          \    {'filename': 'fnameE', 'text': 'E'}]
+
+  " {action} is unspecified.  Same as specifing ' '.
+  new | only
+  exec "silent! " . Xnewer . "99"
+  call Xsetlist(list1)
+  call Xsetlist(list2)
+  let li = Xgetlist()
+  call assert_equal(3, len(li))
+  call assert_equal('C', li[0]['text'])
+  call assert_equal('D', li[1]['text'])
+  call assert_equal('E', li[2]['text'])
+  exec "silent! " . Xolder
+  let li = Xgetlist()
+  call assert_equal(2, len(li))
+  call assert_equal('A', li[0]['text'])
+  call assert_equal('B', li[1]['text'])
+
+  " {action} is specified ' '.
+  new | only
+  exec "silent! " . Xnewer . "99"
+  call Xsetlist(list1)
+  call Xsetlist(list2, ' ')
+  let li = Xgetlist()
+  call assert_equal(3, len(li))
+  call assert_equal('C', li[0]['text'])
+  call assert_equal('D', li[1]['text'])
+  call assert_equal('E', li[2]['text'])
+  exec "silent! " . Xolder
+  let li = Xgetlist()
+  call assert_equal(2, len(li))
+  call assert_equal('A', li[0]['text'])
+  call assert_equal('B', li[1]['text'])
+
+  " {action} is specified 'a'.
+  new | only
+  exec "silent! " . Xnewer . "99"
+  call Xsetlist(list1)
+  call Xsetlist(list2, 'a')
+  let li = Xgetlist()
+  call assert_equal(5, len(li))
+  call assert_equal('A', li[0]['text'])
+  call assert_equal('B', li[1]['text'])
+  call assert_equal('C', li[2]['text'])
+  call assert_equal('D', li[3]['text'])
+  call assert_equal('E', li[4]['text'])
+
+  " {action} is specified 'r'.
+  new | only
+  exec "silent! " . Xnewer . "99"
+  call Xsetlist(list1)
+  call Xsetlist(list2, 'r')
+  let li = Xgetlist()
+  call assert_equal(3, len(li))
+  call assert_equal('C', li[0]['text'])
+  call assert_equal('D', li[1]['text'])
+  call assert_equal('E', li[2]['text'])
+
+  " Test for wrong value.
+  new | only
+  call assert_fails("call Xsetlist(0)", 'E714:')
+  call assert_fails("call Xsetlist(list1, '')", 'E927:')
+  call assert_fails("call Xsetlist(list1, 'aa')", 'E927:')
+  call assert_fails("call Xsetlist(list1, ' a')", 'E927:')
+  call assert_fails("call Xsetlist(list1, 0)", 'E928:')
+endfunc
+
+function Test_quickfix_set_list_with_act()
+  call XquickfixSetListWithAct('c')
+  call XquickfixSetListWithAct('l')
+endfunction
diff --git a/src/nvim/version.c b/src/nvim/version.c
index d10d5cf75b..a5addaf819 100644
--- a/src/nvim/version.c
+++ b/src/nvim/version.c
@@ -672,7 +672,7 @@ static int included_patches[] = {
   // 1771 NA
   // 1770 NA
   // 1769,
-  // 1768,
+  1768,
   // 1767 NA
   // 1766 NA
   1765,
diff --git a/test/functional/viml/errorlist_spec.lua b/test/functional/viml/errorlist_spec.lua
index 56d08771b7..f889ca9adc 100644
--- a/test/functional/viml/errorlist_spec.lua
+++ b/test/functional/viml/errorlist_spec.lua
@@ -18,9 +18,9 @@ describe('setqflist()', function()
   end)
 
   it('requires a string for {action}', function()
-    eq('Vim(call):E114: String required', exc_exec('call setqflist([], 5)'))
-    eq('Vim(call):E114: String required', exc_exec('call setqflist([], [])'))
-    eq('Vim(call):E114: String required', exc_exec('call setqflist([], {})'))
+    eq('Vim(call):E928: String required', exc_exec('call setqflist([], 5)'))
+    eq('Vim(call):E928: String required', exc_exec('call setqflist([], [])'))
+    eq('Vim(call):E928: String required', exc_exec('call setqflist([], {})'))
   end)
 
   it('sets w:quickfix_title', function()
@@ -56,9 +56,9 @@ describe('setloclist()', function()
   end)
 
   it('requires a string for {action}', function()
-    eq('Vim(call):E114: String required', exc_exec('call setloclist(0, [], 5)'))
-    eq('Vim(call):E114: String required', exc_exec('call setloclist(0, [], [])'))
-    eq('Vim(call):E114: String required', exc_exec('call setloclist(0, [], {})'))
+    eq('Vim(call):E928: String required', exc_exec('call setloclist(0, [], 5)'))
+    eq('Vim(call):E928: String required', exc_exec('call setloclist(0, [], [])'))
+    eq('Vim(call):E928: String required', exc_exec('call setloclist(0, [], {})'))
   end)
 
   it('sets w:quickfix_title for the correct window', function()