From: Bram Moolenaar <Bram@vim.org>
Date: Sat, 8 Oct 2022 10:16:40 +0000 (+0100)
Subject: patch 9.0.0690: buffer size for expanding tab not correctly computed
X-Git-Tag: v9.0.0690
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a0789478f6ebbb823670b7e14ce13ea3fd3b0217;p=thirdparty%2Fvim.git

patch 9.0.0690: buffer size for expanding tab not correctly computed

Problem:    Buffer size for expanding tab not correctly computed.
Solution:   Correctly use size of end character.
---

diff --git a/src/drawline.c b/src/drawline.c
index e7f9fabab1..cddb6ab654 100644
--- a/src/drawline.c
+++ b/src/drawline.c
@@ -2805,9 +2805,10 @@ win_line(
 			// 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));
+			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);
+			    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;
diff --git a/src/version.c b/src/version.c
index 1d60238469..37046ba981 100644
--- a/src/version.c
+++ b/src/version.c
@@ -699,6 +699,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    690,
 /**/
     689,
 /**/