From 1c73b65229c25e3c1fd8824ba958f7cc4d604f9c Mon Sep 17 00:00:00 2001 From: Bram Moolenaar Date: Fri, 3 Mar 2023 21:11:52 +0000 Subject: [PATCH] patch 9.0.1376: accessing invalid memory with put in Visual block mode Problem: Accessing invalid memory with put in Visual block mode. Solution: Adjust the cursor column if needed. --- src/register.c | 11 ++++++++++- src/testdir/test_put.vim | 11 +++++++++++ 2 files changed, 21 insertions(+), 1 deletion(-) diff --git a/src/register.c b/src/register.c index 4dc0a68fd7a4..461363be378d 100644 --- a/src/register.c +++ b/src/register.c @@ -1913,7 +1913,7 @@ do_put( ptr += yanklen; // insert block's trailing spaces only if there's text behind - if ((j < count - 1 || !shortline) && spaces) + if ((j < count - 1 || !shortline) && spaces > 0) { vim_memset(ptr, ' ', (size_t)spaces); ptr += spaces; @@ -2274,6 +2274,15 @@ do_put( msgmore(nr_lines); curwin->w_set_curswant = TRUE; + // Make sure the cursor is not after the NUL. + int len = (int)STRLEN(ml_get_curline()); + if (curwin->w_cursor.col > len) + { + if (cur_ve_flags == VE_ALL) + curwin->w_cursor.coladd = curwin->w_cursor.col - len; + curwin->w_cursor.col = len; + } + end: if (cmdmod.cmod_flags & CMOD_LOCKMARKS) { diff --git a/src/testdir/test_put.vim b/src/testdir/test_put.vim index 66438bd3f69c..a6cea74efb6c 100644 --- a/src/testdir/test_put.vim +++ b/src/testdir/test_put.vim @@ -231,5 +231,16 @@ func Test_put_visual_mode() set selection& endfunc +func Test_put_visual_block_mode() + enew + exe "norm 0R\\V" + sil exe "norm \c \" + set ve=all + sil norm vz=p + + bwipe! + set ve= +endfunc + " vim: shiftwidth=2 sts=2 expandtab