From 68416e28b27dbaa74552744c365544ff57857afc Mon Sep 17 00:00:00 2001
From: brotzeit <brotzeitmacher@gmail.com>
Date: Wed, 2 Jan 2019 17:31:09 +0100
Subject: [PATCH] use rust for utf8

---
 rust_src/src/lib.rs   |  2 +-
 rust_src/src/vterm.rs | 26 +++++++++++++++++---------
 src/lisp.h            |  4 ----
 3 files changed, 18 insertions(+), 14 deletions(-)

diff --git a/rust_src/src/lib.rs b/rust_src/src/lib.rs
index 56cac3c1aa9..a58117584e2 100644
--- a/rust_src/src/lib.rs
+++ b/rust_src/src/lib.rs
@@ -102,7 +102,6 @@ mod marker;
 mod math;
 mod minibuf;
 mod multibyte;
-mod vterm;
 mod numbers;
 mod obarray;
 mod objects;
@@ -120,6 +119,7 @@ mod threads;
 mod time;
 mod util;
 mod vectors;
+mod vterm;
 mod window_configuration;
 mod windows;
 mod xml;
diff --git a/rust_src/src/vterm.rs b/rust_src/src/vterm.rs
index eb491232818..69a749b109c 100644
--- a/rust_src/src/vterm.rs
+++ b/rust_src/src/vterm.rs
@@ -17,14 +17,15 @@ use crate::{
 
     remacs_sys::{
         allocate_vterm, color_to_rgb_string, get_col_offset, mysave_value, refresh_lines,
-        rgb_string_to_color, row_to_linenr, term_process_key, vterm_module_copy_string_contents,
-        vterm_output_read, vterm_sb_buffer_size, vterm_screen_callbacks,
-        vterm_screen_set_callbacks, vterm_string_bytes,
+        rgb_string_to_color, row_to_linenr, term_process_key, vterm_output_read,
+        vterm_sb_buffer_size, vterm_screen_callbacks, vterm_screen_set_callbacks,
+        vterm_string_bytes,
     },
 
     remacs_sys::{
-        del_range, make_string, send_process, vterminal, EmacsInt, Fput_text_property,
-        Lisp_Misc_Type, Qbold, Qface, Qitalic, Qnil, Qnormal, Qt, Qvtermp, STRING_BYTES,
+        code_convert_string_norecord, del_range, make_string, send_process, vterminal, EmacsInt,
+        Fput_text_property, Lisp_Misc_Type, Qbold, Qface, Qitalic, Qnil, Qnormal, Qt, Qutf_8,
+        Qvtermp, STRING_BYTES,
     },
 
     // vterm
@@ -254,9 +255,16 @@ pub fn vterminal_update(
 ) -> LispObject {
     unsafe {
         if string.is_not_nil() {
-            let mut len = vterm_string_bytes(string) as isize;
-            let mut key: Vec<c_uchar> = Vec::with_capacity(len as usize);
-            vterm_module_copy_string_contents(string, key.as_mut_ptr() as *mut c_char, &mut len);
+            let mut utf8 = code_convert_string_norecord(string, Qutf_8, true).as_string_or_error();
+            let mut len = STRING_BYTES(utf8.as_mut()) as isize + 1;
+
+            let mut v: Vec<c_uchar> = Vec::with_capacity(len as usize);
+
+            let key = libc::memcpy(
+                v.as_mut_ptr() as *mut c_void,
+                utf8.data_ptr() as *mut c_void,
+                len as libc::size_t,
+            ) as *mut c_uchar;
 
             let mut modifier = VTermModifier::VTERM_MOD_NONE;
             if shift {
@@ -273,7 +281,7 @@ pub fn vterminal_update(
 
             term_process_key(
                 vterm.as_mut() as *mut vterminal,
-                key.as_mut_ptr() as *mut c_uchar,
+                key,
                 len as usize - 1,
                 modifier,
             );
diff --git a/src/lisp.h b/src/lisp.h
index 889b7c39df5..d8351dab272 100644
--- a/src/lisp.h
+++ b/src/lisp.h
@@ -4972,8 +4972,6 @@ extern size_t get_col_offset(vterminal *term, int row, int end_col);
 extern void term_process_key(vterminal *term, unsigned char *key, size_t len,
                       VTermModifier modifier);
 
-extern int vterm_string_bytes(Lisp_Object string);
-
 extern Lisp_Object vterminal_render_text (char *buffer, int len, VTermScreenCell *cell);
 
 extern int vterminal_movecursor(VTermPos new, VTermPos old, int visible,
@@ -4989,8 +4987,6 @@ extern VTermColor rgb_string_to_color(Lisp_Object string);
 
 extern Lisp_Object color_to_rgb_string(VTermColor color);
 
-extern bool vterm_module_copy_string_contents (Lisp_Object lisp_str, char *buffer, ptrdiff_t *length);
-
 extern vterminal *mysave_value (Lisp_Object val);