# HG changeset patch
# User Bram Moolenaar <Bram@vim.org>
# Date 1661803205 -7200
# Node ID b01273bbc75e4d016e78638f18c922467f9efbca
# Parent  726b889782e2cf03923fb05e917d37bf67d5b808
patch 9.0.0322: crash when no errors and 'quickfixtextfunc' is set

Commit: https://github.com/vim/vim/commit/4f1b083be43f351bc107541e7b0c9655a5d2c0bb
Author: Bram Moolenaar <Bram@vim.org>
Date:   Mon Aug 29 20:45:16 2022 +0100

    patch 9.0.0322: crash when no errors and 'quickfixtextfunc' is set

    Problem:    Crash when no errors and 'quickfixtextfunc' is set.
    Solution:   Do not handle errors if there aren't any.

diff --git a/src/quickfix.c b/src/quickfix.c
--- a/src/quickfix.c
+++ b/src/quickfix.c
@@ -4761,7 +4761,7 @@ qf_fill_buffer(qf_list_T *qfl, buf_T *bu
     }
 
     // Check if there is anything to display
-    if (qfl != NULL)
+    if (qfl != NULL && qfl->qf_start != NULL)
     {
 	char_u		dirname[MAXPATHL];
 	int		invalid_val = FALSE;
diff --git a/src/testdir/test_quickfix.vim b/src/testdir/test_quickfix.vim
--- a/src/testdir/test_quickfix.vim
+++ b/src/testdir/test_quickfix.vim
@@ -4107,6 +4107,22 @@ func Xgetlist_empty_tests(cchar)
   endif
 endfunc
 
+func Test_empty_list_quickfixtextfunc()
+  " This was crashing.  Can only reproduce by running it in a separate Vim
+  " instance.
+  let lines =<< trim END
+      func s:Func(o)
+              cgetexpr '0'
+      endfunc
+      cope
+      let &quickfixtextfunc = 's:Func'
+      cgetfile [ex
+  END
+  call writefile(lines, 'Xquickfixtextfunc')
+  call RunVim([], [], '-e -s -S Xquickfixtextfunc -c qa')
+  call delete('Xquickfixtextfunc')
+endfunc
+
 func Test_getqflist()
   call Xgetlist_empty_tests('c')
   call Xgetlist_empty_tests('l')
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -708,6 +708,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    322,
+/**/
     321,
 /**/
     320,