diff options
Diffstat (limited to 'readline/isearch.c')
| -rw-r--r-- | readline/isearch.c | 32 |
1 files changed, 24 insertions, 8 deletions
diff --git a/readline/isearch.c b/readline/isearch.c index 7decf95..67279e1 100644 --- a/readline/isearch.c +++ b/readline/isearch.c @@ -48,6 +48,9 @@ #include "readline.h" #include "history.h" +/* Variables exported to other files in the readline library. */ +unsigned char *_rl_isearch_terminators = (unsigned char *)NULL; + /* Variables imported from other files in the readline library. */ extern Keymap _rl_keymap; extern HIST_ENTRY *saved_line_for_history; @@ -55,9 +58,6 @@ extern int rl_line_buffer_len; extern int rl_point, rl_end; extern char *rl_line_buffer; -extern void _rl_save_prompt (); -extern void _rl_restore_prompt (); - extern int rl_execute_next (); extern void rl_extend_line_buffer (); @@ -178,12 +178,20 @@ rl_search_history (direction, invoking_key) /* Non-zero if we are doing a reverse search. */ int reverse; + /* The list of characters which terminate the search, but are not + subsequently executed. If the variable isearch-terminators has + been set, we use that value, otherwise we use ESC and C-J. */ + unsigned char *isearch_terminators; + orig_point = rl_point; last_found_line = orig_line = where_history (); reverse = direction < 0; hlist = history_list (); allocated_line = (char *)NULL; + isearch_terminators = _rl_isearch_terminators ? _rl_isearch_terminators + : (unsigned char *)"\033\012"; + /* Create an arrary of pointers to the lines that we want to search. */ maybe_replace_line (); i = 0; @@ -211,7 +219,7 @@ rl_search_history (direction, invoking_key) /* The line where we start the search. */ i = orig_line; - _rl_save_prompt (); + rl_save_prompt (); /* Initialize search parameters. */ search_string = xmalloc (search_string_size = 128); @@ -246,10 +254,18 @@ rl_search_history (direction, invoking_key) c = !reverse ? -1 : -2; } +#if 0 /* Let NEWLINE (^J) terminate the search for people who don't like using ESC. ^M can still be used to terminate the search and immediately execute the command. */ if (c == ESC || c == NEWLINE) +#else + /* The characters in isearch_terminators (set from the user-settable + variable isearch-terminators) are used to terminate the search but + not subsequently execute the character as a command. The default + value is "\033\012" (ESC and C-J). */ + if (strchr (isearch_terminators, c)) +#endif { /* ESC still terminates the search, but if there is pending input or if input arrives within 0.1 seconds (on systems @@ -291,7 +307,7 @@ rl_search_history (direction, invoking_key) strcpy (rl_line_buffer, lines[orig_line]); rl_point = orig_point; rl_end = strlen (rl_line_buffer); - _rl_restore_prompt(); + rl_restore_prompt(); rl_clear_message (); if (allocated_line) free (allocated_line); @@ -409,15 +425,15 @@ rl_search_history (direction, invoking_key) /* First put back the original state. */ strcpy (rl_line_buffer, lines[orig_line]); - _rl_restore_prompt (); + rl_restore_prompt (); /* Free the search string. */ free (search_string); if (last_found_line < orig_line) - rl_get_previous_history (orig_line - last_found_line); + rl_get_previous_history (orig_line - last_found_line, 0); else - rl_get_next_history (last_found_line - orig_line); + rl_get_next_history (last_found_line - orig_line, 0); /* If the string was not found, put point at the end of the line. */ if (line_index < 0) |