commit a6f9e300161f4cb54713da22f65b261595e8e614
author Bram Moolenaar <Bram@vim.org> Thu Jul 28 21:51:37 2022 +0100
committer Bram Moolenaar <Bram@vim.org> Thu Jul 28 21:51:37 2022 +0100
tree f0663fef4a680eeaa7826e6f0cb4143aa51c0c3e
parent 4e677b9c40ccbc5f090971b31dc2fe07bf05541d

patch 9.0.0102: reading past end of line with insert mode completion

Problem:    Reading past end of line with insert mode completion.
Solution:   Check text length.

src/insexpand.c

diff --git a/src/insexpand.c b/src/insexpand.c
index 7339ce9..fc3eff0 100644
--- a/src/insexpand.c
+++ b/src/insexpand.c
@@ -3501,7 +3501,7 @@
     {
 	char_u	*tmp_ptr = ptr;
 
-	if (compl_status_adding())
+	if (compl_status_adding() && compl_length <= (int)STRLEN(tmp_ptr))
 	{
 	    tmp_ptr += compl_length;
 	    // Skip if already inside a word.

src/testdir/test_ins_complete.vim

diff --git a/src/testdir/test_ins_complete.vim b/src/testdir/test_ins_complete.vim
index 35c5785..2b0a294 100644
--- a/src/testdir/test_ins_complete.vim
+++ b/src/testdir/test_ins_complete.vim
@@ -2142,5 +2142,13 @@
   bwipe!
 endfunc
 
+func Test_ins_complete_end_of_line()
+  " this was reading past the end of the line
+  new  
+  norm 8o€ý 
+  sil! norm o
+
+  bwipe!
+endfunc
 
 " vim: shiftwidth=2 sts=2 expandtab

src/version.c

diff --git a/src/version.c b/src/version.c
index 1241e98..ce6caa5 100644
--- a/src/version.c
+++ b/src/version.c
@@ -736,6 +736,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    102,
+/**/
     101,
 /**/
     100,