source: scripts/patches/readline-4.3-gnu_fixes-1.patch@ abc7c11

readline-4.

@@ -311 +311 @@
              mapped to something, `abc' to be mapped to something else,
              and the function bound  to `a' to be executed when the user
              types `abx', leaving `bx' in the input queue. */
-          if (k.function /* && k.type == ISFUNC */)
+          if (k.function && ((k.type == ISFUNC && k.function != rl_do_lowercase_version) || k.type == ISMACR))
             {
               map[ANYOTHERKEY] = k;
               k.function = 0;

readline-4.

@@ -70 +70 @@
 static void cr PARAMS((void));
 
 #if defined (HANDLE_MULTIBYTE)
-static int _rl_col_width PARAMS((char *, int, int));
+static int _rl_col_width PARAMS((const char *, int, int));
 static int *_rl_wrapped_line;
 #else
 #  define _rl_col_width(l, s, e)        (((e) <= (s)) ? 0 : (e) - (s))
@@ -1348 +1348 @@
             {
               _rl_output_some_chars (nfd + lendiff, temp - lendiff);
 #if 0
-              _rl_last_c_pos += _rl_col_width (nfd+lendiff, 0, temp-lendiff) - col_lendiff;
-#else
               _rl_last_c_pos += _rl_col_width (nfd+lendiff, 0, temp-col_lendiff);
+#else
+              _rl_last_c_pos += _rl_col_width (nfd+lendiff, 0, temp-lendiff);
 #endif
             }
         }
@@ -1510 +1510 @@
 #if defined (HANDLE_MULTIBYTE)
   /* If we have multibyte characters, NEW is indexed by the buffer point in
      a multibyte string, but _rl_last_c_pos is the display position.  In
-     this case, NEW's display position is not obvious. */
-  if ((MB_CUR_MAX == 1 || rl_byte_oriented ) && _rl_last_c_pos == new) return;
+     this case, NEW's display position is not obvious and must be
+     calculated. */
+  if (MB_CUR_MAX == 1 || rl_byte_oriented)
+    {
+      if (_rl_last_c_pos == new)
+        return;
+    }
+  else if (_rl_last_c_pos == _rl_col_width (data, 0, new))
+    return;
 #else
   if (_rl_last_c_pos == new) return;
 #endif
@@ -1594 +1601 @@
 #endif
     {
       if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
-        {
-          tputs (_rl_term_cr, 1, _rl_output_character_function);
-          for (i = 0; i < new; i++)
-            putc (data[i], rl_outstream);
-        }
+        _rl_backspace (_rl_last_c_pos - _rl_col_width (data, 0, new));
       else
         _rl_backspace (_rl_last_c_pos - new);
     }
@@ -2117 +2120 @@
    scan from the beginning of the string to take the state into account. */
 static int
 _rl_col_width (str, start, end)
-     char *str;
+     const char *str;
      int start, end;
 {
   wchar_t wc;
@@ -2193 +2196 @@
   return width;
 }
 #endif /* HANDLE_MULTIBYTE */
-          

readline-4.

@@ -205 +205 @@
   if (tmp == (size_t)(-2))
     {
       /* shorted to compose multibyte char */
-      memset (ps, 0, sizeof(mbstate_t));
+      if (ps)
+        memset (ps, 0, sizeof(mbstate_t));
       return -2;
     }
   else if (tmp == (size_t)(-1))
     {
       /* invalid to compose multibyte char */
       /* initialize the conversion state */
-      memset (ps, 0, sizeof(mbstate_t));
+      if (ps)
+        memset (ps, 0, sizeof(mbstate_t));
       return -1;
     }
   else if (tmp == (size_t)0)
@@ -225 +227 @@
    return 1. Otherwise return 0. */
 int
 _rl_compare_chars (buf1, pos1, ps1, buf2, pos2, ps2)
-     char *buf1, *buf2;
-     mbstate_t *ps1, *ps2;
-     int pos1, pos2;
+     char *buf1;
+     int pos1;
+     mbstate_t *ps1;
+     char *buf2;
+     int pos2;
+     mbstate_t *ps2;
 {
   int i, w1, w2;
 
@@ -276 +281 @@
           pos++;
           /* clear the state of the byte sequence, because
              in this case effect of mbstate is undefined  */
-          memset (ps, 0, sizeof (mbstate_t));
+          if (ps)
+            memset (ps, 0, sizeof (mbstate_t));
         }
+      else if (tmp == 0)
+        pos++;
       else
         pos += tmp;
     }

readline.c

@@ -684 +684 @@
     }
 #if defined (VI_MODE)
   if (rl_editing_mode == vi_mode && _rl_keymap == vi_movement_keymap &&
+      key != ANYOTHERKEY &&
       _rl_vi_textmod_command (key))
     _rl_vi_set_last (key, rl_numeric_arg, rl_arg_sign);
 #endif

readline-4.

@@ -680 +680 @@
      int count;
 {
   wchar_t wc;
-  char mb[MB_LEN_MAX];
+  char mb[MB_LEN_MAX+1];
+  int mblen;
   mbstate_t ps;
 
   memset (&ps, 0, sizeof (mbstate_t));
@@ -703 +704 @@
       /* Vi is kind of strange here. */
       if (wc)
         {
-          wctomb (mb, wc);
+          mblen = wctomb (mb, wc);
+          if (mblen >= 0)
+            mb[mblen] = '\0';
           rl_begin_undo_group ();
           rl_delete (1, 0);
           rl_insert_text (mb);