Patch 8.2.3492

[Bram Moolenaar]

Patch 8.2.3492
Problem: Crash when pasting too many times.
Solution: Limit the size to what fits in an int. (closes #8962)
Files: src/register.c, src/errors.h, src/testdir/test_put.vim


*** ../vim-8.2.3491/src/register.c 2021-09-22 15:43:54.021305851 +0100
--- src/register.c 2021-10-10 12:33:42.977999367 +0100
***************
*** 2011,2018 ****
}

do {
! totlen = count * yanklen;
! if (totlen > 0)
{
oldp = ml_get(lnum);
if (lnum > start_lnum)
--- 2011,2025 ----
}

do {
! long multlen = count * yanklen;
!
! totlen = multlen;
! if (totlen != multlen)
! {
! emsg(_(e_resulting_text_too_long));
! break;
! }
! else if (totlen > 0)
{
oldp = ml_get(lnum);
if (lnum > start_lnum)
*** ../vim-8.2.3491/src/errors.h 2021-09-14 16:53:39.316540671 +0100
--- src/errors.h 2021-10-10 12:19:01.061781250 +0100
***************
*** 664,666 ****
--- 664,668 ----
INIT(= N_("E1238: Blob required for argument %d"));
EXTERN char e_invalid_value_for_blob_nr[]
INIT(= N_("E1239: Invalid value for blob: %d"));
+ EXTERN char e_resulting_text_too_long[]
+ INIT(= N_("E1240: Resulting text too long"));
*** ../vim-8.2.3491/src/testdir/test_put.vim 2021-09-22 15:43:54.021305851 +0100
--- src/testdir/test_put.vim 2021-10-10 12:31:12.063896799 +0100
***************
*** 134,137 ****
--- 134,145 ----
bwipe!
endfunc

+ func Test_very_larg_count()
+ new
+ let @" = 'x'
+ call assert_fails('norm 44444444444444p', 'E1240:')
+ bwipe!
+ endfunc
+
+
" vim: shiftwidth=2 sts=2 expandtab
*** ../vim-8.2.3491/src/version.c 2021-10-09 16:28:52.782895348 +0100
--- src/version.c 2021-10-10 12:34:28.338631830 +0100
***************
*** 759,760 ****
--- 759,762 ----
{ /* Add new patch number below this line */
+ /**/
+ 3492,
/**/

--
Statistics say that you can have a baby per month on average:
Just get nine women pregnant.

/// Bram Moolenaar -- Br...@Moolenaar.net -- http://www.Moolenaar.net \\\
/// \\\
\\\ sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ ///
\\\ help me help AIDS victims -- http://ICCF-Holland.org ///