vim-patch:8.2.5076: unnecessary code (#18922)

Problem:    Unnecessary code.
Solution:   Remove code and replace with function call. (closes vim/vim#10552)
https://github.com/vim/vim/commit/2e7cba347fc8b746add12aa5e0e9f6218a76c788

1 files changed, 6 insertions, 21 deletions

diff --git a/src/nvim/getchar.c b/src/nvim/getchar.c
index 9f223bf750..7f783fd72f 100644
--- a/src/nvim/getchar.c
+++ b/src/nvim/getchar.c
@@ -990,31 +990,16 @@ int ins_typebuf(char *str, int noremap, int offset, bool nottyped, bool silent)
 /// Can be used for a character obtained by vgetc() that needs to be put back.
 /// Uses cmd_silent, KeyTyped and KeyNoremap to restore the flags belonging to
 /// the char.
+///
 /// @return the length of what was inserted
-int ins_char_typebuf(int c, int modifier)
+int ins_char_typebuf(int c, int modifiers)
 {
   char_u buf[MB_MAXBYTES * 3 + 4];
-  int len = 0;
-  if (modifier != 0) {
-    buf[0] = K_SPECIAL;
-    buf[1] = KS_MODIFIER;
-    buf[2] = (char_u)modifier;
-    buf[3] = NUL;
-    len = 3;
-  }
-  if (IS_SPECIAL(c)) {
-    buf[len] = K_SPECIAL;
-    buf[len + 1] = (char_u)K_SECOND(c);
-    buf[len + 2] = (char_u)K_THIRD(c);
-    buf[len + 3] = NUL;
-    len += 3;
-  } else {
-    char_u *end = add_char2buf(c, buf + len);
-    *end = NUL;
-    len = (int)(end - buf);
-  }
+  unsigned int len = special_to_buf(c, modifiers, true, buf);
+  assert(len < sizeof(buf));
+  buf[len] = NUL;
   (void)ins_typebuf((char *)buf, KeyNoremap, 0, !KeyTyped, cmd_silent);
-  return len;
+  return (int)len;
 }
 
 /// Return TRUE if the typeahead buffer was changed (while waiting for a