Patch 8.2.5016

[Bram Moolenaar]

Patch 8.2.5016
Problem: Access before start of text with a put command.
Solution: Check the length is more than zero.
Files: src/register.c, src/testdir/test_put.vim


*** ../vim-8.2.5015/src/register.c 2022-05-21 20:16:51.007567185 +0100
--- src/register.c 2022-05-25 15:13:04.635485861 +0100
***************
*** 2219,2227 ****
len = STRLEN(y_array[y_size - 1]);
col = (colnr_T)len - lendiff;
if (col > 1)
! curbuf->b_op_end.col = col - 1
! - mb_head_off(y_array[y_size - 1],
y_array[y_size - 1] + len - 1);
else
curbuf->b_op_end.col = 0;

--- 2219,2230 ----
len = STRLEN(y_array[y_size - 1]);
col = (colnr_T)len - lendiff;
if (col > 1)
! {
! curbuf->b_op_end.col = col - 1;
! if (len > 0)
! curbuf->b_op_end.col -= mb_head_off(y_array[y_size - 1],
y_array[y_size - 1] + len - 1);
+ }
else
curbuf->b_op_end.col = 0;

*** ../vim-8.2.5015/src/testdir/test_put.vim 2022-01-01 14:59:39.543684481 +0000
--- src/testdir/test_put.vim 2022-05-25 15:12:33.743501047 +0100
***************
*** 210,214 ****
--- 210,223 ----
bwipe!
endfunc

+ " this was putting a mark before the start of a line
+ func Test_put_empty_register()
+ new
+ norm yy
+ norm [Pi00 ggv)s0
+ sil! norm [P
+ bwipe!
+ endfunc
+

" vim: shiftwidth=2 sts=2 expandtab
*** ../vim-8.2.5015/src/version.c 2022-05-25 12:42:03.974091744 +0100
--- src/version.c 2022-05-25 15:02:16.903737478 +0100
***************
*** 736,737 ****
--- 736,739 ----
{ /* Add new patch number below this line */
+ /**/
+ 5016,
/**/

--
TALL KNIGHT OF NI: Ni!
"Monty Python and the Holy Grail" PYTHON (MONTY) PICTURES LTD

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