diff options
Diffstat (limited to 'gdb/top.c')
| -rw-r--r-- | gdb/top.c | 27 |
1 files changed, 14 insertions, 13 deletions
@@ -710,7 +710,7 @@ show_write_history_p (struct ui_file *file, int from_tty, 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) @@ -1380,7 +1380,7 @@ show_commands (char *args, int from_tty) /* 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. */ @@ -1445,15 +1445,16 @@ show_commands (char *args, int from_tty) 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 @@ -1633,13 +1634,13 @@ Without an argument, saving is enabled."), 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"), _("\ |