diff options
Diffstat (limited to 'misc.c')
| -rw-r--r-- | misc.c | 42 |
1 files changed, 42 insertions, 0 deletions
@@ -637,6 +637,48 @@ rl_get_previous_history (int count, int key) return 0; } +/* The equivalent of the Korn shell C-o operate-and-get-next-history-line + editing command. */ + +/* This could stand to be global to the readline library */ +static rl_hook_func_t *_rl_saved_internal_startup_hook = 0; +static int saved_history_logical_offset = -1; + +#define HISTORY_FULL() (history_is_stifled () && history_length >= history_max_entries) + +static int +set_saved_history () +{ + int absolute_offset, count; + + if (saved_history_logical_offset >= 0) + { + absolute_offset = saved_history_logical_offset - history_base; + count = where_history () - absolute_offset; + rl_get_previous_history (count, 0); + } + saved_history_logical_offset = -1; + _rl_internal_startup_hook = _rl_saved_internal_startup_hook; + + return (0); +} + +int +rl_operate_and_get_next (count, c) + int count, c; +{ + /* Accept the current line. */ + rl_newline (1, c); + + saved_history_logical_offset = rl_explicit_arg ? count : where_history () + history_base + 1; + + + _rl_saved_internal_startup_hook = _rl_internal_startup_hook; + _rl_internal_startup_hook = set_saved_history; + + return 0; +} + /* **************************************************************** */ /* */ /* Editing Modes */ |