READLINE PATCH REPORT
			   =====================

Readline-Release: 4.3
Patch-ID:  readline43-004

Bug-Reported-by:	clowenst@ucsd.edu
Bug-Reference-ID:	<156388ec.0212021151.51a48df1@posting.google.com>
Bug-Reference-URL:	

Bug-Description:

When running in a locale with multibyte characters, the readline display
updater will use carriage returns when drawing the line, overwriting any
partial output already on the screen and not terminated by a newline.

Patch:

*** ../readline-4.3/display.c	Tue Jun  4 10:54:47 2002
--- display.c	Fri Sep 13 16:22:57 2002
***************
*** 71,75 ****
  
  #if defined (HANDLE_MULTIBYTE)
! static int _rl_col_width PARAMS((char *, int, int));
  static int *_rl_wrapped_line;
  #else
--- 71,75 ----
  
  #if defined (HANDLE_MULTIBYTE)
! static int _rl_col_width PARAMS((const char *, int, int));
  static int *_rl_wrapped_line;
  #else
***************
*** 1349,1355 ****
  	      _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);
  #endif
  	    }
--- 1349,1355 ----
  	      _rl_output_some_chars (nfd + lendiff, temp - lendiff);
  #if 0
  	      _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
  	    }
***************
*** 1511,1516 ****
    /* 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;
  #else
    if (_rl_last_c_pos == new) return;
--- 1511,1523 ----
    /* 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 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;
***************
*** 1595,1603 ****
      {
        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);
! 	}
        else
  	_rl_backspace (_rl_last_c_pos - new);
--- 1602,1606 ----
      {
        if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
! 	_rl_backspace (_rl_last_c_pos - _rl_col_width (data, 0, new));
        else
  	_rl_backspace (_rl_last_c_pos - new);
***************
*** 2118,2122 ****
  static int
  _rl_col_width (str, start, end)
!      char *str;
       int start, end;
  {
--- 2121,2125 ----
  static int
  _rl_col_width (str, start, end)
!      const char *str;
       int start, end;
  {
***************
*** 2194,2196 ****
  }
  #endif /* HANDLE_MULTIBYTE */
- 	  
--- 2197,2198 ----