vim-patch:7.4.2223

Problem:    Buffer overflow when using latin1 character with feedkeys().
Solution:   Check for an illegal character.  Add a test.

https://github.com/vim/vim/commit/d3c907b5d2b352482b580a0cf687cbbea4c19ea1

1 files changed, 3 insertions, 3 deletions

diff --git a/src/nvim/eval.c b/src/nvim/eval.c
index 6dc7e5606e..bcad6df337 100644
--- a/src/nvim/eval.c
+++ b/src/nvim/eval.c
@@ -16932,7 +16932,7 @@ static void f_strgetchar(typval_T *argvars, typval_T *rettv, FunPtr fptr)
         break;
       }
       charidx--;
-      byteidx += mb_cptr2len(str + byteidx);
+      byteidx += MB_CPTR2LEN(str + byteidx);
     }
   }
 }
@@ -17054,7 +17054,7 @@ static void f_strcharpart(typval_T *argvars, typval_T *rettv, FunPtr fptr) {
   if (!error) {
     if (nchar > 0) {
       while (nchar > 0 && nbyte < slen) {
-        nbyte += mb_cptr2len(p + nbyte);
+        nbyte += MB_CPTR2LEN(p + nbyte);
         nchar--;
       }
     } else {
@@ -17069,7 +17069,7 @@ static void f_strcharpart(typval_T *argvars, typval_T *rettv, FunPtr fptr) {
       if (off < 0) {
         len += 1;
       } else {
-        len += mb_cptr2len(p + off);
+        len += MB_CPTR2LEN(p + off);
       }
       charlen--;
     }