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patch 8.2.1947: crash when using "zj" without folds

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Problem:    Crash when using "zj" without folds. (Sean Dewar)
Solution:   Check for at least one fold. (closes #7245)
This commit is contained in:
Bram Moolenaar
2020-11-03 20:05:40 +01:00
parent 35efa22ff2
commit c136a3528b
3 changed files with 13 additions and 0 deletions
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2
src/fold.c
View File

@@ -902,6 +902,8 @@ foldMoveTo(
// that moves the cursor is used. // that moves the cursor is used.
lnum_off = 0; lnum_off = 0;
gap = &curwin->w_folds; gap = &curwin->w_folds;
if (gap->ga_len == 0)
break;
use_level = FALSE; use_level = FALSE;
maybe_small = FALSE; maybe_small = FALSE;
lnum_found = curwin->w_cursor.lnum; lnum_found = curwin->w_cursor.lnum;

9
src/testdir/test_fold.vim
View File

@@ -835,4 +835,13 @@ func Test_undo_fold_deletion()
bwipe! bwipe!
endfunc endfunc
" this was crashing
func Test_move_no_folds()
new
fold
setlocal fdm=expr
normal zj
bwipe!
endfunc
" vim: shiftwidth=2 sts=2 expandtab " vim: shiftwidth=2 sts=2 expandtab

2
src/version.c
View File

@@ -750,6 +750,8 @@ static char *(features[]) =
static int included_patches[] = static int included_patches[] =
{ /* Add new patch number below this line */ { /* Add new patch number below this line */
/**/
1947,
/**/ /**/
1946, 1946,
/**/ /**/