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Simplify saved_command_line handling

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There doesn't seem to be much point in trying to reuse this buffer.
Prefer simplicity instead.

(In case you're wondering whether this fixes an off-by-one: linelength
is misnamed; it's really a size including terminating null char.)

gdb/ChangeLog:
2016-03-09  Pedro Alves  <palves@redhat.com>

	* event-top.c (command_line_handler): Use xfree + xstrdup instead
	of xrealloc + strcpy.
	* main.c (captured_main): Use xstrdup instead of xmalloc plus
	manual clear.
	* top.c (saved_command_line): Rewrite comment.
	(saved_command_line_size): Delete.
	(command_line_input): Use xfree + xstrdup instead of xrealloc +
	strcpy.
	* top.h (saved_command_line_size): Delete declaration.
This commit is contained in:
Pedro Alves 2016-03-09 18:25:00 +00:00
parent 187212b3c1
commit 2669cade3d
5 changed files with 19 additions and 21 deletions
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9
gdb/event-top.c
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@ -650,13 +650,8 @@ command_line_handler (char *rl)
/* Save into global buffer if appropriate. */
if (repeat)
{
if (linelength > saved_command_line_size)
{
saved_command_line
= (char *) xrealloc (saved_command_line, linelength);
saved_command_line_size = linelength;
}
strcpy (saved_command_line, linebuffer);
xfree (saved_command_line);
saved_command_line = xstrdup (linebuffer);
if (!more_to_come)
{
command_handler (saved_command_line);