Patch 9.0.0690

[Bram Moolenaar]

Patch 9.0.0690
Problem: Buffer size for expanding tab not correctly computed.
Solution: Correctly use size of end character.
Files: src/drawline.c


*** ../vim-9.0.0689/src/drawline.c 2022-10-06 21:24:30.537632966 +0100
--- src/drawline.c 2022-10-08 11:13:08.205027819 +0100
***************
*** 2805,2813 ****
// If wlv.n_extra > 0, it gives the number of chars, to
// use for a tab, else we need to calculate the width
// for a tab.
! len = (tab_len * mb_char2len(wp->w_lcs_chars.tab2));
if (wp->w_lcs_chars.tab3)
! len += mb_char2len(wp->w_lcs_chars.tab3);
if (wlv.n_extra > 0)
len += wlv.n_extra - tab_len;
c = wp->w_lcs_chars.tab1;
--- 2805,2814 ----
// If wlv.n_extra > 0, it gives the number of chars, to
// use for a tab, else we need to calculate the width
// for a tab.
! int tab2_len = mb_char2len(wp->w_lcs_chars.tab2);
! len = tab_len * tab2_len;
if (wp->w_lcs_chars.tab3)
! len += mb_char2len(wp->w_lcs_chars.tab3) - tab2_len;
if (wlv.n_extra > 0)
len += wlv.n_extra - tab_len;
c = wp->w_lcs_chars.tab1;
*** ../vim-9.0.0689/src/version.c 2022-10-07 22:46:03.686771713 +0100
--- src/version.c 2022-10-08 11:15:14.272724692 +0100
***************
*** 701,702 ****
--- 701,704 ----
{ /* Add new patch number below this line */
+ /**/
+ 690,
/**/

--
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us living in a small shoebox in the middle of the road.

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