size_t changes for multibyte characters; fix for running debug trap in asynchronous pipeline; remove support for precomputed cache files for cross-compiling; more size_t and ssize_t changes to avoid overflow

lib/readline/examples/excallback.c

@@ -19,7 +19,7 @@ My example shows how, using the alternate interface, you can
 interactively change the prompt (which is very nice imo). Also, I
 point out that you must roll your own terminal setting when using the
 alternate interface because readline depreps (using your parlance) the
-terminal while in the user callback. I try to demostrate what I mean
+terminal while in the user callback. I try to demonstrate what I mean
 with an example. I've included the program below.
 
 To compile, I just put the program in the examples directory and made
@@ -72,7 +72,7 @@ Copyright (C) 1999 Jeff Solomon
  * alternate interface. The first is the ability to interactively change the
  * prompt, which can't be done using the regular interface since rl_prompt is
  * read-only.
- * 
+ *
  * The second feature really highlights a subtle point when using the alternate
  * interface. That is, readline will not alter the terminal when inside your
  * callback handler. So let's so, your callback executes a user command that

lib/readline/examples/histexamp.c

@@ -110,7 +110,7 @@ main (int argc, char **argv)
 	  int which;
 	  if ((sscanf (line + 6, "%d", &which)) == 1)
 	    {
-	      HIST_ENTRY *entry = remove_history (which);
+	      HIST_ENTRY *entry = remove_history (which - history_base);
 	      if (!entry)
 		fprintf (stderr, "No such entry %d\n", which);
 	      else

lib/readline/examples/manexamp.c

@@ -94,16 +94,8 @@ invert_case_line (int count, int key)
 
   start = rl_point;
 
-  if (count < 0)
-    {
-      direction = -1;
-      count = -count;
-    }
-  else
-    direction = 1;
-      
   /* Find the end of the range to modify. */
-  end = start + (count * direction);
+  end = start + count;
 
   /* Force it to be within range. */
   if (end > rl_end)
@@ -111,6 +103,14 @@ invert_case_line (int count, int key)
   else if (end < 0)
     end = -1;
 
+  if (start == end)
+    return 0;
+
+  /* For positive arguments, put point after the last changed character. For
+     negative arguments, put point before the last changed character. */
+  rl_point = end;
+
+  /* Swap start and end if we are moving backwards */
   if (start > end)
     {
       int temp = start;
@@ -118,14 +118,11 @@ invert_case_line (int count, int key)
       end = temp;
     }
 
-  if (start == end)
-    return 0;
-
   /* Tell readline that we are modifying the line, so save the undo
      information. */
   rl_modifying (start, end);
 
-  for (; start != end; start += direction)
+  for (; start != end; start++)
     {
       if (_rl_uppercase_p (rl_line_buffer[start]))
 	rl_line_buffer[start] = _rl_to_lower (rl_line_buffer[start]);
@@ -133,7 +130,5 @@ invert_case_line (int count, int key)
 	rl_line_buffer[start] = _rl_to_upper (rl_line_buffer[start]);
     }
 
-  /* Move point to on top of the last character changed. */
-  rl_point = end - direction;
   return 0;
 }