value);
}
-static int history_size;
+static unsigned int history_size;
static void
show_history_size (struct ui_file *file, int from_tty,
struct cmd_list_element *c, const char *value)
/* The first command in the history which doesn't exist (i.e. one more
than the number of the last command). Relative to history_base. */
- int hist_len;
+ unsigned int hist_len;
/* Print out some of the commands from the command history. */
/* First determine the length of the history list. */
static void
set_history_size_command (char *args, int from_tty, struct cmd_list_element *c)
{
- if (history_size == INT_MAX)
- unstifle_history ();
- else if (history_size >= 0)
- stifle_history (history_size);
- else
+ /* The type of parameter in stifle_history is int, so values from INT_MAX up
+ mean 'unlimited'. */
+ if (history_size >= INT_MAX)
{
- history_size = INT_MAX;
- error (_("History size must be non-negative"));
+ /* Ensure that 'show history size' prints 'unlimited'. */
+ history_size = UINT_MAX;
+ unstifle_history ();
}
+ else
+ stifle_history (history_size);
}
void
show_write_history_p,
&sethistlist, &showhistlist);
- add_setshow_integer_cmd ("size", no_class, &history_size, _("\
+ add_setshow_uinteger_cmd ("size", no_class, &history_size, _("\
Set the size of the command history,"), _("\
Show the size of the command history,"), _("\
ie. the number of previous commands to keep a record of."),
- set_history_size_command,
- show_history_size,
- &sethistlist, &showhistlist);
+ set_history_size_command,
+ show_history_size,
+ &sethistlist, &showhistlist);
add_setshow_filename_cmd ("filename", no_class, &history_filename, _("\
Set the filename in which to record the command history"), _("\