Patch 8.2.1557

[Bram Moolenaar]

Patch 8.2.1557
Problem: Crash in :vimgrep when started as "vim -n". (Raul Segura)
Solution: Check mfp pointer. (Yegappan Lakshmanan, closes #6827)
Files: src/quickfix.c, src/testdir/test_quickfix.vim


*** ../vim-8.2.1556/src/quickfix.c 2020-08-07 18:12:14.426099006 +0200
--- src/quickfix.c 2020-08-31 22:14:51.483570104 +0200
***************
*** 6022,6028 ****
static int
existing_swapfile(buf_T *buf)
{
! if (buf->b_ml.ml_mfp != NULL)
{
char_u *fname = buf->b_ml.ml_mfp->mf_fname;
size_t len = STRLEN(fname);
--- 6022,6028 ----
static int
existing_swapfile(buf_T *buf)
{
! if (buf->b_ml.ml_mfp != NULL && buf->b_ml.ml_mfp->mf_fname != NULL)
{
char_u *fname = buf->b_ml.ml_mfp->mf_fname;
size_t len = STRLEN(fname);
*** ../vim-8.2.1556/src/testdir/test_quickfix.vim 2020-08-12 18:50:31.883655785 +0200
--- src/testdir/test_quickfix.vim 2020-08-31 22:12:26.112129513 +0200
***************
*** 2833,2838 ****
--- 2833,2853 ----
call delete('Xresult')
endfunc

+ " Test vimgrep without swap file
+ func Test_vimgrep_without_swap_file()
+ let lines =<< trim [SCRIPT]
+ vimgrep grep test_c*
+ call writefile(['done'], 'Xresult')
+ qall!
+ [SCRIPT]
+ call writefile(lines, 'Xscript')
+ if RunVim([], [], '--clean -n -S Xscript Xscript')
+ call assert_equal(['done'], readfile('Xresult'))
+ endif
+ call delete('Xscript')
+ call delete('Xresult')
+ endfunc
+
func Test_vimgrep_existing_swapfile()
call writefile(['match apple with apple'], 'Xapple')
call writefile(['swapfile'], '.Xapple.swp')
*** ../vim-8.2.1556/src/version.c 2020-08-31 21:58:36.119898707 +0200
--- src/version.c 2020-08-31 22:13:38.951846762 +0200
***************
*** 756,757 ****
--- 756,759 ----
{ /* Add new patch number below this line */
+ /**/
+ 1557,
/**/

--
What the word 'politics' means: 'Poli' in Latin meaning 'many' and 'tics'
meaning 'bloodsucking creatures'.

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