File bash-2.05b-complete.patch of Package compat-readline4

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File bash-2.05b-complete.patch of Package compat-readline4

diff -urN bash-2.05b/lib/readline/complete.c bash/lib/readline/complete.c
--- bash-2.05b/lib/readline/complete.c	2002-05-07 21:39:32.000000000 +0200
+++ bash/lib/readline/complete.c	2003-05-10 00:37:29.000000000 +0200
@@ -105,6 +105,7 @@
 static int get_y_or_n PARAMS((int));
 static int _rl_internal_pager PARAMS((int));
 static char *printable_part PARAMS((char *));
+static int filename_width PARAMS((const char *));
 static int print_filename PARAMS((char *, char *));
 
 static char **gen_completion_matches PARAMS((char *, int, int, rl_compentry_func_t *, int, int));
@@ -520,53 +521,132 @@
     return ++temp;
 }
 
+/* Compute width of STRING on screen, as printed by print_filename (). */
+static int
+filename_width (string)
+     const char *string;
+{
+  int width, pos;
+#if defined (HANDLE_MULTIBYTE)
+  mbstate_t ps = {0};
+  int left;
+
+  left = strlen (string) + 1;
+#endif
+  width = 0;
+  pos = 0;
+  while (string[pos] != 0)
+    {
+      if (CTRL_CHAR (*string))
+	{
+	  width += 2;
+	  pos++;
+	}
+      else if (*string == RUBOUT)
+	{
+	  width += 2;
+	  pos++;
+	}
+      else
+	{
+#if defined (HANDLE_MULTIBYTE)
+	  size_t char_len;
+	  wchar_t wc;
+
+	  char_len = mbrtowc (&wc, string + pos, left - pos, &ps);
+	  if (char_len == (size_t)-1 || char_len == (size_t)-2)
+	    {
+	      width++;
+	      pos++;
+	      memset (&ps, 0, sizeof (mbstate_t));
+	    }
+	  else if (char_len == 0)
+	    break;
+	  else
+	    {
+	      int w;
+	      
+	      pos += char_len;
+	      w = wcwidth (wc);
+	      width += (w >= 0) ? w : 1;
+	    }
+#else
+	  width++;
+	  pos++;
+#endif
+	}
+    }
+  return width;
+}
+
 /* Output TO_PRINT to rl_outstream.  If VISIBLE_STATS is defined and we
    are using it, check for and output a single character for `special'
    filenames.  Return the number of characters we output. */
-
-#define PUTX(c) \
-    do { \
-      if (CTRL_CHAR (c)) \
-        { \
-          putc ('^', rl_outstream); \
-          putc (UNCTRL (c), rl_outstream); \
-          printed_len += 2; \
-        } \
-      else if (c == RUBOUT) \
-	{ \
-	  putc ('^', rl_outstream); \
-	  putc ('?', rl_outstream); \
-	  printed_len += 2; \
-	} \
-      else \
-	{ \
-	  putc (c, rl_outstream); \
-	  printed_len++; \
-	} \
-    } while (0)
-
 static int
 print_filename (to_print, full_pathname)
      char *to_print, *full_pathname;
 {
   int printed_len = 0;
-#if !defined (VISIBLE_STATS)
   char *s;
-
-  for (s = to_print; *s; s++)
-    {
-      PUTX (*s);
-    }
-#else  
-  char *s, c, *new_full_pathname;
+#if defined (VISIBLE_STATS)
+  char c, *new_full_pathname;
   int extension_char, slen, tlen;
+#endif
+#if defined (HANDLE_MULTIBYTE)
+  mbstate_t ps = {0};
+  char *end;
 
-  for (s = to_print; *s; s++)
+  end = to_print + strlen (to_print) + 1;
+#endif
+  
+  s = to_print;
+  while (*s)
     {
-      PUTX (*s);
+      if (CTRL_CHAR (*s))
+        {
+          putc ('^', rl_outstream);
+          putc (UNCTRL (*s), rl_outstream);
+          printed_len += 2;
+	  s++;
+#if defined (HANDLE_MULTIBYTE)
+	  memset (&ps, 0, sizeof (mbstate_t));
+#endif
+        }
+      else if (*s == RUBOUT)
+	{
+	  putc ('^', rl_outstream);
+	  putc ('?', rl_outstream);
+	  printed_len += 2;
+	  s++;
+#if defined (HANDLE_MULTIBYTE)
+	  memset (&ps, 0, sizeof (mbstate_t));
+#endif
+	}
+      else
+	{
+#if defined (HANDLE_MULTIBYTE)
+	  size_t tmp;
+
+	  tmp = mbrlen (s, end - s, &ps);
+	  if (tmp == (size_t)-1 || tmp == (size_t)-2)
+	    {
+	      tmp = 1;
+	      memset (&ps, 0, sizeof (mbstate_t));
+	    }
+	  else if (tmp == 0)
+	    break;
+	  fwrite (s, 1, tmp, rl_outstream);
+	  s += tmp;
+#else	  
+	  putc (*s, rl_outstream);
+	  s++;
+#endif
+	  printed_len++;
+	}
     }
 
- if (rl_filename_completion_desired && rl_visible_stats)
+#if defined (VISIBLE_STATS)
+  if (rl_filename_completion_desired && rl_visible_stats)
     {
       /* If to_print != full_pathname, to_print is the basename of the
 	 path passed.  In this case, we try to expand the directory
@@ -1203,7 +1283,7 @@
   for (max = 0, i = 1; matches[i]; i++)
     {
       temp = printable_part (matches[i]);
-      len = strlen (temp);
+      len = filename_width (temp);
 
       if (len > max)
 	max = len;

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File bash-2.05b-complete.patch of Package compat-readline4

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