version 1.10, 2000/03/10 13:06:43 |
version 1.138, 2016/09/01 13:23:44 |
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* 2. Redistributions in binary form must reproduce the above copyright |
* 2. Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* documentation and/or other materials provided with the distribution. |
* 3. All advertising materials mentioning features or use of this software |
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* must display the following acknowledgement: |
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* This product includes software developed by the NetBSD |
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* Foundation, Inc. and its contributors. |
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* 4. Neither the name of The NetBSD Foundation nor the names of its |
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* contributors may be used to endorse or promote products derived |
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* from this software without specific prior written permission. |
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* |
* |
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
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* POSSIBILITY OF SUCH DAMAGE. |
* POSSIBILITY OF SUCH DAMAGE. |
*/ |
*/ |
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#include <sys/cdefs.h> |
#include "config.h" |
#if !defined(lint) && !defined(SCCSID) |
#if !defined(lint) && !defined(SCCSID) |
__RCSID("$NetBSD$"); |
__RCSID("$NetBSD$"); |
#endif /* not lint && not SCCSID */ |
#endif /* not lint && not SCCSID */ |
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#include <sys/types.h> |
#include <sys/types.h> |
#include <sys/stat.h> |
#include <sys/stat.h> |
#include <stdio.h> |
#include <ctype.h> |
#include <dirent.h> |
#include <dirent.h> |
#include <string.h> |
#include <errno.h> |
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#include <fcntl.h> |
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#include <limits.h> |
#include <pwd.h> |
#include <pwd.h> |
#include <ctype.h> |
#include <setjmp.h> |
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#include <stdint.h> |
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#include <stdio.h> |
#include <stdlib.h> |
#include <stdlib.h> |
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#include <string.h> |
#include <unistd.h> |
#include <unistd.h> |
#include <limits.h> |
#include <vis.h> |
#include "histedit.h" |
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#include "readline.h" |
#include "readline/readline.h" |
#include "sys.h" |
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#include "el.h" |
#include "el.h" |
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#include "fcns.h" |
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#include "filecomplete.h" |
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void rl_prep_terminal(int); |
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void rl_deprep_terminal(void); |
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/* for rl_complete() */ |
/* for rl_complete() */ |
#define TAB '\r' |
#define TAB '\r' |
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/* see comment at the #ifdef for sense of this */ |
/* see comment at the #ifdef for sense of this */ |
#define GDB_411_HACK |
/* #define GDB_411_HACK */ |
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/* readline compatibility stuff - look at readline sources/documentation */ |
/* readline compatibility stuff - look at readline sources/documentation */ |
/* to see what these variables mean */ |
/* to see what these variables mean */ |
const char *rl_library_version = "EditLine wrapper"; |
const char *rl_library_version = "EditLine wrapper"; |
char *rl_readline_name = ""; |
int rl_readline_version = RL_READLINE_VERSION; |
FILE *rl_instream = NULL; |
static char empty[] = { '\0' }; |
FILE *rl_outstream = NULL; |
static char expand_chars[] = { ' ', '\t', '\n', '=', '(', '\0' }; |
int rl_point = 0; |
static char break_chars[] = { ' ', '\t', '\n', '"', '\\', '\'', '`', '@', '$', |
int rl_end = 0; |
'>', '<', '=', ';', '|', '&', '{', '(', '\0' }; |
char *rl_line_buffer = NULL; |
char *rl_readline_name = empty; |
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FILE *rl_instream = NULL; |
int history_base = 1; /* probably never subject to change */ |
FILE *rl_outstream = NULL; |
int history_length = 0; |
int rl_point = 0; |
int max_input_history = 0; |
int rl_end = 0; |
char history_expansion_char = '!'; |
char *rl_line_buffer = NULL; |
char history_subst_char = '^'; |
rl_vcpfunc_t *rl_linefunc = NULL; |
char *history_no_expand_chars = " \t\n=("; |
int rl_done = 0; |
Function *history_inhibit_expansion_function = NULL; |
VFunction *rl_event_hook = NULL; |
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KEYMAP_ENTRY_ARRAY emacs_standard_keymap, |
int rl_inhibit_completion = 0; |
emacs_meta_keymap, |
int rl_attempted_completion_over = 0; |
emacs_ctlx_keymap; |
char *rl_basic_word_break_characters = " \t\n\"\\'`@$><=;|&{("; |
/* |
char *rl_completer_word_break_characters = NULL; |
* The following is not implemented; we always catch signals in the |
char *rl_completer_quote_characters = NULL; |
* libedit fashion: set handlers on entry to el_gets() and clear them |
CPFunction *rl_completion_entry_function = NULL; |
* on the way out. This simplistic approach works for most cases; if |
CPPFunction *rl_attempted_completion_function = NULL; |
* it does not work for your application, please let us know. |
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*/ |
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int rl_catch_signals = 1; |
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int rl_catch_sigwinch = 1; |
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int history_base = 1; /* probably never subject to change */ |
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int history_length = 0; |
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int history_offset = 0; |
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int max_input_history = 0; |
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char history_expansion_char = '!'; |
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char history_subst_char = '^'; |
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char *history_no_expand_chars = expand_chars; |
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Function *history_inhibit_expansion_function = NULL; |
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char *history_arg_extract(int start, int end, const char *str); |
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int rl_inhibit_completion = 0; |
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int rl_attempted_completion_over = 0; |
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char *rl_basic_word_break_characters = break_chars; |
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char *rl_completer_word_break_characters = NULL; |
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char *rl_completer_quote_characters = NULL; |
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rl_compentry_func_t *rl_completion_entry_function = NULL; |
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char *(*rl_completion_word_break_hook)(void) = NULL; |
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rl_completion_func_t *rl_attempted_completion_function = NULL; |
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Function *rl_pre_input_hook = NULL; |
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Function *rl_startup1_hook = NULL; |
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int (*rl_getc_function)(FILE *) = NULL; |
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char *rl_terminal_name = NULL; |
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int rl_already_prompted = 0; |
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int rl_filename_completion_desired = 0; |
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int rl_ignore_completion_duplicates = 0; |
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int readline_echoing_p = 1; |
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int _rl_print_completions_horizontally = 0; |
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VFunction *rl_redisplay_function = NULL; |
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Function *rl_startup_hook = NULL; |
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VFunction *rl_completion_display_matches_hook = NULL; |
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VFunction *rl_prep_term_function = (VFunction *)rl_prep_terminal; |
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VFunction *rl_deprep_term_function = (VFunction *)rl_deprep_terminal; |
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KEYMAP_ENTRY_ARRAY emacs_meta_keymap; |
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/* |
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* The current prompt string. |
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*/ |
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char *rl_prompt = NULL; |
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/* |
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* This is set to character indicating type of completion being done by |
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* rl_complete_internal(); this is available for application completion |
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* functions. |
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*/ |
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int rl_completion_type = 0; |
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/* |
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* If more than this number of items results from query for possible |
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* completions, we ask user if they are sure to really display the list. |
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*/ |
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int rl_completion_query_items = 100; |
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/* |
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* List of characters which are word break characters, but should be left |
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* in the parsed text when it is passed to the completion function. |
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* Shell uses this to help determine what kind of completing to do. |
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*/ |
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char *rl_special_prefixes = NULL; |
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/* |
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* This is the character appended to the completed words if at the end of |
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* the line. Default is ' ' (a space). |
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*/ |
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int rl_completion_append_character = ' '; |
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/* stuff below is used internally by libedit for readline emulation */ |
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/* used for readline emulation */ |
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static History *h = NULL; |
static History *h = NULL; |
static EditLine *e = NULL; |
static EditLine *e = NULL; |
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static rl_command_func_t *map[256]; |
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static jmp_buf topbuf; |
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/* internal functions */ |
/* internal functions */ |
static unsigned char _el_rl_complete __P((EditLine *, int)); |
static unsigned char _el_rl_complete(EditLine *, int); |
static char *_get_prompt __P((EditLine *)); |
static unsigned char _el_rl_tstp(EditLine *, int); |
static HIST_ENTRY *_move_history __P((int)); |
static char *_get_prompt(EditLine *); |
static int _history_search_gen __P((const char *, int, int)); |
static int _getc_function(EditLine *, wchar_t *); |
static int _history_expand_command __P((const char *, size_t, char **)); |
static int _history_expand_command(const char *, size_t, size_t, |
static char *_rl_compat_sub __P((const char *, const char *, |
char **); |
const char *, int)); |
static char *_rl_compat_sub(const char *, const char *, |
static int rl_complete_internal __P((int)); |
const char *, int); |
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static int _rl_event_read_char(EditLine *, wchar_t *); |
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static void _rl_update_pos(void); |
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/* |
static HIST_ENTRY rl_he; |
* needed for prompt switching in readline() |
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*/ |
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static char *el_rl_prompt = NULL; |
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/* ARGSUSED */ |
/* ARGSUSED */ |
static char * |
static char * |
_get_prompt(el) |
_get_prompt(EditLine *el __attribute__((__unused__))) |
EditLine *el; |
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{ |
{ |
return el_rl_prompt; |
rl_already_prompted = 1; |
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return rl_prompt; |
} |
} |
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/* |
/* |
* generic function for moving around history |
* read one key from user defined input function |
*/ |
*/ |
static HIST_ENTRY * |
static int |
_move_history(op) |
/*ARGSUSED*/ |
int op; |
_getc_function(EditLine *el __attribute__((__unused__)), wchar_t *c) |
{ |
{ |
HistEvent ev; |
int i; |
static HIST_ENTRY rl_he; |
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if (history(h, &ev, op) != 0) |
i = (*rl_getc_function)(NULL); |
return (HIST_ENTRY *) NULL; |
if (i == -1) |
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return 0; |
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*c = (wchar_t)i; |
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return 1; |
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} |
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rl_he.line = ev.str; |
static void |
rl_he.data = ""; |
_resize_fun(EditLine *el, void *a) |
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{ |
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const LineInfo *li; |
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char **ap = a; |
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return &rl_he; |
li = el_line(el); |
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/* a cheesy way to get rid of const cast. */ |
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*ap = memchr(li->buffer, *li->buffer, (size_t)1); |
} |
} |
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static const char * |
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_default_history_file(void) |
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{ |
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struct passwd *p; |
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static char *path; |
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size_t len; |
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if (path) |
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return path; |
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if ((p = getpwuid(getuid())) == NULL) |
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return NULL; |
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len = strlen(p->pw_dir) + sizeof("/.history"); |
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if ((path = malloc(len)) == NULL) |
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return NULL; |
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(void)snprintf(path, len, "%s/.history", p->pw_dir); |
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return path; |
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} |
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/* |
/* |
* READLINE compatibility stuff |
* READLINE compatibility stuff |
*/ |
*/ |
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/* |
/* |
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* Set the prompt |
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*/ |
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int |
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rl_set_prompt(const char *prompt) |
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{ |
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char *p; |
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if (!prompt) |
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prompt = ""; |
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if (rl_prompt != NULL && strcmp(rl_prompt, prompt) == 0) |
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return 0; |
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if (rl_prompt) |
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el_free(rl_prompt); |
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rl_prompt = strdup(prompt); |
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if (rl_prompt == NULL) |
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return -1; |
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while ((p = strchr(rl_prompt, RL_PROMPT_END_IGNORE)) != NULL) |
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*p = RL_PROMPT_START_IGNORE; |
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return 0; |
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} |
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/* |
* initialize rl compat stuff |
* initialize rl compat stuff |
*/ |
*/ |
int |
int |
rl_initialize() |
rl_initialize(void) |
{ |
{ |
HistEvent ev; |
HistEvent ev; |
const LineInfo *li; |
int editmode = 1; |
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struct termios t; |
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if (e != NULL) |
if (e != NULL) |
el_end(e); |
el_end(e); |
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rl_instream = stdin; |
rl_instream = stdin; |
if (!rl_outstream) |
if (!rl_outstream) |
rl_outstream = stdout; |
rl_outstream = stdout; |
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/* |
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* See if we don't really want to run the editor |
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*/ |
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if (tcgetattr(fileno(rl_instream), &t) != -1 && (t.c_lflag & ECHO) == 0) |
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editmode = 0; |
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e = el_init(rl_readline_name, rl_instream, rl_outstream, stderr); |
e = el_init(rl_readline_name, rl_instream, rl_outstream, stderr); |
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if (!editmode) |
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el_set(e, EL_EDITMODE, 0); |
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h = history_init(); |
h = history_init(); |
if (!e || !h) |
if (!e || !h) |
return -1; |
return -1; |
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max_input_history = INT_MAX; |
max_input_history = INT_MAX; |
el_set(e, EL_HIST, history, h); |
el_set(e, EL_HIST, history, h); |
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/* Setup resize function */ |
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el_set(e, EL_RESIZE, _resize_fun, &rl_line_buffer); |
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/* setup getc function if valid */ |
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if (rl_getc_function) |
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el_set(e, EL_GETCFN, _getc_function); |
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/* for proper prompt printing in readline() */ |
/* for proper prompt printing in readline() */ |
el_rl_prompt = strdup(""); |
if (rl_set_prompt("") == -1) { |
el_set(e, EL_PROMPT, _get_prompt); |
history_end(h); |
el_set(e, EL_SIGNAL, 1); |
el_end(e); |
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return -1; |
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} |
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el_set(e, EL_PROMPT, _get_prompt, RL_PROMPT_START_IGNORE); |
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el_set(e, EL_SIGNAL, rl_catch_signals); |
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/* set default mode to "emacs"-style and read setting afterwards */ |
/* set default mode to "emacs"-style and read setting afterwards */ |
/* so this can be overriden */ |
/* so this can be overridden */ |
el_set(e, EL_EDITOR, "emacs"); |
el_set(e, EL_EDITOR, "emacs"); |
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if (rl_terminal_name != NULL) |
/* for word completition - this has to go AFTER rebinding keys */ |
el_set(e, EL_TERMINAL, rl_terminal_name); |
/* to emacs-style */ |
else |
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el_get(e, EL_TERMINAL, &rl_terminal_name); |
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/* |
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* Word completion - this has to go AFTER rebinding keys |
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* to emacs-style. |
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*/ |
el_set(e, EL_ADDFN, "rl_complete", |
el_set(e, EL_ADDFN, "rl_complete", |
"ReadLine compatible completition function", |
"ReadLine compatible completion function", |
_el_rl_complete); |
_el_rl_complete); |
el_set(e, EL_BIND, "^I", "rl_complete", NULL); |
el_set(e, EL_BIND, "^I", "rl_complete", NULL); |
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/* |
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* Send TSTP when ^Z is pressed. |
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*/ |
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el_set(e, EL_ADDFN, "rl_tstp", |
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"ReadLine compatible suspend function", |
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_el_rl_tstp); |
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el_set(e, EL_BIND, "^Z", "rl_tstp", NULL); |
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/* |
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* Set some readline compatible key-bindings. |
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*/ |
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el_set(e, EL_BIND, "^R", "em-inc-search-prev", NULL); |
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/* |
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* Allow the use of Home/End keys. |
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*/ |
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el_set(e, EL_BIND, "\\e[1~", "ed-move-to-beg", NULL); |
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el_set(e, EL_BIND, "\\e[4~", "ed-move-to-end", NULL); |
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el_set(e, EL_BIND, "\\e[7~", "ed-move-to-beg", NULL); |
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el_set(e, EL_BIND, "\\e[8~", "ed-move-to-end", NULL); |
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el_set(e, EL_BIND, "\\e[H", "ed-move-to-beg", NULL); |
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el_set(e, EL_BIND, "\\e[F", "ed-move-to-end", NULL); |
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/* |
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* Allow the use of the Delete/Insert keys. |
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*/ |
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el_set(e, EL_BIND, "\\e[3~", "ed-delete-next-char", NULL); |
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el_set(e, EL_BIND, "\\e[2~", "ed-quoted-insert", NULL); |
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/* |
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* Ctrl-left-arrow and Ctrl-right-arrow for word moving. |
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*/ |
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el_set(e, EL_BIND, "\\e[1;5C", "em-next-word", NULL); |
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el_set(e, EL_BIND, "\\e[1;5D", "ed-prev-word", NULL); |
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el_set(e, EL_BIND, "\\e[5C", "em-next-word", NULL); |
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el_set(e, EL_BIND, "\\e[5D", "ed-prev-word", NULL); |
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el_set(e, EL_BIND, "\\e\\e[C", "em-next-word", NULL); |
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el_set(e, EL_BIND, "\\e\\e[D", "ed-prev-word", NULL); |
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/* read settings from configuration file */ |
/* read settings from configuration file */ |
el_source(e, NULL); |
el_source(e, NULL); |
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/* some readline apps do use this */ |
/* |
li = el_line(e); |
* Unfortunately, some applications really do use rl_point |
/* LINTED const cast */ |
* and rl_line_buffer directly. |
rl_line_buffer = (char *) li->buffer; |
*/ |
rl_point = rl_end = 0; |
_resize_fun(e, &rl_line_buffer); |
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_rl_update_pos(); |
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if (rl_startup_hook) |
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(*rl_startup_hook)(NULL, 0); |
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return 0; |
return 0; |
} |
} |
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/* |
/* |
* read one line from input stream and return it, chomping |
* read one line from input stream and return it, chomping |
* trailing newline (if there is any) |
* trailing newline (if there is any) |
*/ |
*/ |
char * |
char * |
readline(const char *prompt) |
readline(const char *p) |
{ |
{ |
HistEvent ev; |
HistEvent ev; |
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const char * volatile prompt = p; |
int count; |
int count; |
const char *ret; |
const char *ret; |
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char *buf; |
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static int used_event_hook; |
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if (e == NULL || h == NULL) |
if (e == NULL || h == NULL) |
rl_initialize(); |
rl_initialize(); |
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rl_done = 0; |
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(void)setjmp(topbuf); |
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/* update prompt accordingly to what has been passed */ |
/* update prompt accordingly to what has been passed */ |
if (!prompt) prompt = ""; |
if (rl_set_prompt(prompt) == -1) |
if (strcmp(el_rl_prompt, prompt) != 0) { |
return NULL; |
free(el_rl_prompt); |
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el_rl_prompt = strdup(prompt); |
if (rl_pre_input_hook) |
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(*rl_pre_input_hook)(NULL, 0); |
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if (rl_event_hook && !(e->el_flags&NO_TTY)) { |
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el_set(e, EL_GETCFN, _rl_event_read_char); |
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used_event_hook = 1; |
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} |
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if (!rl_event_hook && used_event_hook) { |
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el_set(e, EL_GETCFN, EL_BUILTIN_GETCFN); |
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used_event_hook = 0; |
} |
} |
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rl_already_prompted = 0; |
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/* get one line from input stream */ |
/* get one line from input stream */ |
ret = el_gets(e, &count); |
ret = el_gets(e, &count); |
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if (ret && count > 0) { |
if (ret && count > 0) { |
char *foo; |
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int lastidx; |
int lastidx; |
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foo = strdup(ret); |
buf = strdup(ret); |
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if (buf == NULL) |
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return NULL; |
lastidx = count - 1; |
lastidx = count - 1; |
if (foo[lastidx] == '\n') |
if (buf[lastidx] == '\n') |
foo[lastidx] = '\0'; |
buf[lastidx] = '\0'; |
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ret = foo; |
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} else |
} else |
ret = NULL; |
buf = NULL; |
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history(h, &ev, H_GETSIZE); |
history(h, &ev, H_GETSIZE); |
history_length = ev.num; |
history_length = ev.num; |
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/* LINTED const cast */ |
return buf; |
return (char *) ret; |
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} |
} |
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/* |
/* |
Line 249 readline(const char *prompt) |
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Line 462 readline(const char *prompt) |
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* history expansion functions |
* history expansion functions |
*/ |
*/ |
void |
void |
using_history() |
using_history(void) |
{ |
{ |
if (h == NULL || e == NULL) |
if (h == NULL || e == NULL) |
rl_initialize(); |
rl_initialize(); |
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history_offset = history_length; |
} |
} |
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|
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/* |
/* |
* substitute ``what'' with ``with'', returning resulting string; if |
* substitute ``what'' with ``with'', returning resulting string; if |
* globally == 1, substitutes all occurences of what, otherwise only the |
* globally == 1, substitutes all occurrences of what, otherwise only the |
* first one |
* first one |
*/ |
*/ |
static char * |
static char * |
_rl_compat_sub(str, what, with, globally) |
_rl_compat_sub(const char *str, const char *what, const char *with, |
const char *str, *what, *with; |
int globally) |
int globally; |
{ |
{ |
const char *s; |
char *result; |
char *r, *result; |
const char *temp, *new; |
size_t len, with_len, what_len; |
int len, with_len, what_len, add; |
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size_t size, i; |
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|
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result = malloc((size = 16)); |
len = strlen(str); |
temp = str; |
|
with_len = strlen(with); |
with_len = strlen(with); |
what_len = strlen(what); |
what_len = strlen(what); |
len = 0; |
|
do { |
/* calculate length we need for result */ |
new = strstr(temp, what); |
s = str; |
if (new) { |
while (*s) { |
i = new - temp; |
if (*s == *what && !strncmp(s, what, what_len)) { |
add = i + with_len; |
len += with_len - what_len; |
if (i + add + 1 >= size) { |
if (!globally) |
size += add + 1; |
break; |
result = realloc(result, size); |
s += what_len; |
} |
} else |
(void)strncpy(&result[len], temp, i); |
s++; |
len += i; |
} |
(void)strcpy(&result[len], with); /* safe */ |
r = result = el_malloc((len + 1) * sizeof(*r)); |
len += with_len; |
if (result == NULL) |
temp = new + what_len; |
return NULL; |
} else { |
s = str; |
add = strlen(temp); |
while (*s) { |
if (len + add + 1 >= size) { |
if (*s == *what && !strncmp(s, what, what_len)) { |
size += add + 1; |
(void)strncpy(r, with, with_len); |
result = realloc(result, size); |
r += with_len; |
|
s += what_len; |
|
if (!globally) { |
|
(void)strcpy(r, s); |
|
return result; |
} |
} |
(void)strcpy(&result[len], temp); /* safe */ |
} else |
len += add; |
*r++ = *s++; |
temp = NULL; |
} |
|
*r = '\0'; |
|
return result; |
|
} |
|
|
|
static char *last_search_pat; /* last !?pat[?] search pattern */ |
|
static char *last_search_match; /* last !?pat[?] that matched */ |
|
|
|
const char * |
|
get_history_event(const char *cmd, int *cindex, int qchar) |
|
{ |
|
int idx, sign, sub, num, begin, ret; |
|
size_t len; |
|
char *pat; |
|
const char *rptr; |
|
HistEvent ev; |
|
|
|
idx = *cindex; |
|
if (cmd[idx++] != history_expansion_char) |
|
return NULL; |
|
|
|
/* find out which event to take */ |
|
if (cmd[idx] == history_expansion_char || cmd[idx] == '\0') { |
|
if (history(h, &ev, H_FIRST) != 0) |
|
return NULL; |
|
*cindex = cmd[idx]? (idx + 1):idx; |
|
return ev.str; |
|
} |
|
sign = 0; |
|
if (cmd[idx] == '-') { |
|
sign = 1; |
|
idx++; |
|
} |
|
|
|
if ('0' <= cmd[idx] && cmd[idx] <= '9') { |
|
HIST_ENTRY *he; |
|
|
|
num = 0; |
|
while (cmd[idx] && '0' <= cmd[idx] && cmd[idx] <= '9') { |
|
num = num * 10 + cmd[idx] - '0'; |
|
idx++; |
} |
} |
} while (temp && globally); |
if (sign) |
result[len] = '\0'; |
num = history_length - num + 1; |
|
|
return result; |
if (!(he = history_get(num))) |
|
return NULL; |
|
|
|
*cindex = idx; |
|
return he->line; |
|
} |
|
sub = 0; |
|
if (cmd[idx] == '?') { |
|
sub = 1; |
|
idx++; |
|
} |
|
begin = idx; |
|
while (cmd[idx]) { |
|
if (cmd[idx] == '\n') |
|
break; |
|
if (sub && cmd[idx] == '?') |
|
break; |
|
if (!sub && (cmd[idx] == ':' || cmd[idx] == ' ' |
|
|| cmd[idx] == '\t' || cmd[idx] == qchar)) |
|
break; |
|
idx++; |
|
} |
|
len = (size_t)idx - (size_t)begin; |
|
if (sub && cmd[idx] == '?') |
|
idx++; |
|
if (sub && len == 0 && last_search_pat && *last_search_pat) |
|
pat = last_search_pat; |
|
else if (len == 0) |
|
return NULL; |
|
else { |
|
if ((pat = el_malloc((len + 1) * sizeof(*pat))) == NULL) |
|
return NULL; |
|
(void)strncpy(pat, cmd + begin, len); |
|
pat[len] = '\0'; |
|
} |
|
|
|
if (history(h, &ev, H_CURR) != 0) { |
|
if (pat != last_search_pat) |
|
el_free(pat); |
|
return NULL; |
|
} |
|
num = ev.num; |
|
|
|
if (sub) { |
|
if (pat != last_search_pat) { |
|
if (last_search_pat) |
|
el_free(last_search_pat); |
|
last_search_pat = pat; |
|
} |
|
ret = history_search(pat, -1); |
|
} else |
|
ret = history_search_prefix(pat, -1); |
|
|
|
if (ret == -1) { |
|
/* restore to end of list on failed search */ |
|
history(h, &ev, H_FIRST); |
|
(void)fprintf(rl_outstream, "%s: Event not found\n", pat); |
|
if (pat != last_search_pat) |
|
el_free(pat); |
|
return NULL; |
|
} |
|
|
|
if (sub && len) { |
|
if (last_search_match && last_search_match != pat) |
|
el_free(last_search_match); |
|
last_search_match = pat; |
|
} |
|
|
|
if (pat != last_search_pat) |
|
el_free(pat); |
|
|
|
if (history(h, &ev, H_CURR) != 0) |
|
return NULL; |
|
*cindex = idx; |
|
rptr = ev.str; |
|
|
|
/* roll back to original position */ |
|
(void)history(h, &ev, H_SET, num); |
|
|
|
return rptr; |
} |
} |
|
|
/* |
/* |
* the real function doing history expansion - takes as argument command |
* the real function doing history expansion - takes as argument command |
* to do and data upon which the command should be executed |
* to do and data upon which the command should be executed |
* does expansion the way I've understood readline documentation |
* does expansion the way I've understood readline documentation |
* word designator ``%'' isn't supported (yet ?) |
|
* |
* |
* returns 0 if data was not modified, 1 if it was and 2 if the string |
* returns 0 if data was not modified, 1 if it was and 2 if the string |
* should be only printed and not executed; in case of error, |
* should be only printed and not executed; in case of error, |
* returns -1 and *result points to NULL |
* returns -1 and *result points to NULL |
* it's callers responsibility to free() string returned in *result |
* it's the caller's responsibility to free() the string returned in *result |
*/ |
*/ |
static int |
static int |
_history_expand_command(command, cmdlen, result) |
_history_expand_command(const char *command, size_t offs, size_t cmdlen, |
const char *command; |
char **result) |
size_t cmdlen; |
{ |
char **result; |
char *tmp, *search = NULL, *aptr; |
{ |
const char *ptr, *cmd; |
char **arr, *tempcmd, *line, *search = NULL, *cmd; |
static char *from = NULL, *to = NULL; |
const char *event_data = NULL; |
int start, end, idx, has_mods = 0; |
static char *from = NULL, *to = NULL; |
int p_on = 0, g_on = 0; |
int start = -1, end = -1, max, i, idx; |
|
int h_on = 0, t_on = 0, r_on = 0, e_on = 0, p_on = 0, |
|
g_on = 0; |
|
int event_num = 0, retval; |
|
size_t cmdsize; |
|
|
|
*result = NULL; |
*result = NULL; |
|
aptr = NULL; |
|
ptr = NULL; |
|
|
cmd = alloca(cmdlen + 1); |
/* First get event specifier */ |
(void)strncpy(cmd, command, cmdlen); |
idx = 0; |
cmd[cmdlen] = 0; |
|
|
|
idx = 1; |
if (strchr(":^*$", command[offs + 1])) { |
/* find out which event to take */ |
char str[4]; |
if (cmd[idx] == history_expansion_char) { |
/* |
event_num = history_length; |
* "!:" is shorthand for "!!:". |
idx++; |
* "!^", "!*" and "!$" are shorthand for |
|
* "!!:^", "!!:*" and "!!:$" respectively. |
|
*/ |
|
str[0] = str[1] = '!'; |
|
str[2] = '0'; |
|
ptr = get_history_event(str, &idx, 0); |
|
idx = (command[offs + 1] == ':')? 1:0; |
|
has_mods = 1; |
} else { |
} else { |
int off, num; |
if (command[offs + 1] == '#') { |
size_t len; |
/* use command so far */ |
off = idx; |
if ((aptr = el_malloc((offs + 1) * sizeof(*aptr))) |
while (cmd[off] && !strchr(":^$*-%", cmd[off])) |
== NULL) |
off++; |
return -1; |
num = atoi(&cmd[idx]); |
(void)strncpy(aptr, command, offs); |
if (num != 0) { |
aptr[offs] = '\0'; |
event_num = num; |
idx = 1; |
if (num < 0) |
|
event_num += history_length + 1; |
|
} else { |
} else { |
int prefix = 1, curr_num; |
int qchar; |
HistEvent ev; |
|
|
|
len = off - idx; |
qchar = (offs > 0 && command[offs - 1] == '"')? '"':0; |
if (cmd[idx] == '?') { |
ptr = get_history_event(command + offs, &idx, qchar); |
idx++, len--; |
} |
if (cmd[off - 1] == '?') |
has_mods = command[offs + (size_t)idx] == ':'; |
len--; |
} |
else if (cmd[off] != '\n' && cmd[off] != '\0') |
|
return -1; |
|
prefix = 0; |
|
} |
|
search = alloca(len + 1); |
|
(void)strncpy(search, &cmd[idx], len); |
|
search[len] = '\0'; |
|
|
|
if (history(h, &ev, H_CURR) != 0) |
if (ptr == NULL && aptr == NULL) |
return -1; |
return -1; |
curr_num = ev.num; |
|
|
|
if (prefix) |
if (!has_mods) { |
retval = history_search_prefix(search, -1); |
*result = strdup(aptr ? aptr : ptr); |
|
if (aptr) |
|
el_free(aptr); |
|
if (*result == NULL) |
|
return -1; |
|
return 1; |
|
} |
|
|
|
cmd = command + offs + idx + 1; |
|
|
|
/* Now parse any word designators */ |
|
|
|
if (*cmd == '%') /* last word matched by ?pat? */ |
|
tmp = strdup(last_search_match? last_search_match:""); |
|
else if (strchr("^*$-0123456789", *cmd)) { |
|
start = end = -1; |
|
if (*cmd == '^') |
|
start = end = 1, cmd++; |
|
else if (*cmd == '$') |
|
start = -1, cmd++; |
|
else if (*cmd == '*') |
|
start = 1, cmd++; |
|
else if (*cmd == '-' || isdigit((unsigned char) *cmd)) { |
|
start = 0; |
|
while (*cmd && '0' <= *cmd && *cmd <= '9') |
|
start = start * 10 + *cmd++ - '0'; |
|
|
|
if (*cmd == '-') { |
|
if (isdigit((unsigned char) cmd[1])) { |
|
cmd++; |
|
end = 0; |
|
while (*cmd && '0' <= *cmd && *cmd <= '9') |
|
end = end * 10 + *cmd++ - '0'; |
|
} else if (cmd[1] == '$') { |
|
cmd += 2; |
|
end = -1; |
|
} else { |
|
cmd++; |
|
end = -2; |
|
} |
|
} else if (*cmd == '*') |
|
end = -1, cmd++; |
else |
else |
retval = history_search(search, -1); |
end = start; |
|
} |
if (retval == -1) { |
tmp = history_arg_extract(start, end, aptr? aptr:ptr); |
fprintf(rl_outstream, "%s: Event not found\n", |
if (tmp == NULL) { |
search); |
(void)fprintf(rl_outstream, "%s: Bad word specifier", |
return -1; |
command + offs + idx); |
} |
if (aptr) |
if (history(h, &ev, H_CURR) != 0) |
el_free(aptr); |
return -1; |
return -1; |
event_data = ev.str; |
|
|
|
/* roll back to original position */ |
|
history(h, &ev, H_NEXT_EVENT, curr_num); |
|
} |
} |
idx = off; |
|
} |
|
|
|
if (!event_data && event_num >= 0) { |
|
HIST_ENTRY *rl_he; |
|
rl_he = history_get(event_num); |
|
if (!rl_he) |
|
return 0; |
|
event_data = rl_he->line; |
|
} else |
} else |
return -1; |
tmp = strdup(aptr? aptr:ptr); |
|
|
if (cmd[idx] != ':') |
if (aptr) |
return -1; |
el_free(aptr); |
cmd += idx + 1; |
|
|
|
/* recognize cmd */ |
if (*cmd == '\0' || ((size_t)(cmd - (command + offs)) >= cmdlen)) { |
if (*cmd == '^') |
*result = tmp; |
start = end = 1, cmd++; |
return 1; |
else if (*cmd == '$') |
|
start = end = -1, cmd++; |
|
else if (*cmd == '*') |
|
start = 1, end = -1, cmd++; |
|
else if (isdigit((unsigned char) *cmd)) { |
|
const char *temp; |
|
int shifted = 0; |
|
|
|
start = atoi(cmd); |
|
temp = cmd; |
|
for (; isdigit((unsigned char) *cmd); cmd++); |
|
if (temp != cmd) |
|
shifted = 1; |
|
if (shifted && *cmd == '-') { |
|
if (!isdigit((unsigned char) *(cmd + 1))) |
|
end = -2; |
|
else { |
|
end = atoi(cmd + 1); |
|
for (; isdigit((unsigned char) *cmd); cmd++); |
|
} |
|
} else if (shifted && *cmd == '*') |
|
end = -1, cmd++; |
|
else if (shifted) |
|
end = start; |
|
} |
} |
if (*cmd == ':') |
|
cmd++; |
|
|
|
line = strdup(event_data); |
|
for (; *cmd; cmd++) { |
for (; *cmd; cmd++) { |
if (*cmd == ':') |
if (*cmd == ':') |
continue; |
continue; |
else if (*cmd == 'h') |
else if (*cmd == 'h') { /* remove trailing path */ |
h_on = 1 | g_on, g_on = 0; |
if ((aptr = strrchr(tmp, '/')) != NULL) |
else if (*cmd == 't') |
*aptr = '\0'; |
t_on = 1 | g_on, g_on = 0; |
} else if (*cmd == 't') { /* remove leading path */ |
else if (*cmd == 'r') |
if ((aptr = strrchr(tmp, '/')) != NULL) { |
r_on = 1 | g_on, g_on = 0; |
aptr = strdup(aptr + 1); |
else if (*cmd == 'e') |
el_free(tmp); |
e_on = 1 | g_on, g_on = 0; |
tmp = aptr; |
else if (*cmd == 'p') |
} |
p_on = 1 | g_on, g_on = 0; |
} else if (*cmd == 'r') { /* remove trailing suffix */ |
|
if ((aptr = strrchr(tmp, '.')) != NULL) |
|
*aptr = '\0'; |
|
} else if (*cmd == 'e') { /* remove all but suffix */ |
|
if ((aptr = strrchr(tmp, '.')) != NULL) { |
|
aptr = strdup(aptr); |
|
el_free(tmp); |
|
tmp = aptr; |
|
} |
|
} else if (*cmd == 'p') /* print only */ |
|
p_on = 1; |
else if (*cmd == 'g') |
else if (*cmd == 'g') |
g_on = 2; |
g_on = 2; |
else if (*cmd == 's' || *cmd == '&') { |
else if (*cmd == 's' || *cmd == '&') { |
char *what, *with, delim; |
char *what, *with, delim; |
int len, from_len; |
size_t len, from_len; |
size_t size; |
size_t size; |
|
|
if (*cmd == '&' && (from == NULL || to == NULL)) |
if (*cmd == '&' && (from == NULL || to == NULL)) |
Line 464 _history_expand_command(command, cmdlen, |
|
Line 800 _history_expand_command(command, cmdlen, |
|
else if (*cmd == 's') { |
else if (*cmd == 's') { |
delim = *(++cmd), cmd++; |
delim = *(++cmd), cmd++; |
size = 16; |
size = 16; |
what = realloc(from, size); |
what = el_realloc(from, size * sizeof(*what)); |
|
if (what == NULL) { |
|
el_free(from); |
|
el_free(tmp); |
|
return 0; |
|
} |
len = 0; |
len = 0; |
for (; *cmd && *cmd != delim; cmd++) { |
for (; *cmd && *cmd != delim; cmd++) { |
if (*cmd == '\\' |
if (*cmd == '\\' && cmd[1] == delim) |
&& *(cmd + 1) == delim) |
|
cmd++; |
cmd++; |
if (len >= size) |
if (len >= size) { |
what = realloc(what, |
char *nwhat; |
(size <<= 1)); |
nwhat = el_realloc(what, |
|
(size <<= 1) * |
|
sizeof(*nwhat)); |
|
if (nwhat == NULL) { |
|
el_free(what); |
|
el_free(tmp); |
|
return 0; |
|
} |
|
what = nwhat; |
|
} |
what[len++] = *cmd; |
what[len++] = *cmd; |
} |
} |
what[len] = '\0'; |
what[len] = '\0'; |
from = what; |
from = what; |
if (*what == '\0') { |
if (*what == '\0') { |
free(what); |
el_free(what); |
if (search) |
if (search) { |
from = strdup(search); |
from = strdup(search); |
else { |
if (from == NULL) { |
|
el_free(tmp); |
|
return 0; |
|
} |
|
} else { |
from = NULL; |
from = NULL; |
|
el_free(tmp); |
return -1; |
return -1; |
} |
} |
} |
} |
Line 491 _history_expand_command(command, cmdlen, |
|
Line 845 _history_expand_command(command, cmdlen, |
|
continue; |
continue; |
|
|
size = 16; |
size = 16; |
with = realloc(to, size); |
with = el_realloc(to, size * sizeof(*with)); |
|
if (with == NULL) { |
|
el_free(to); |
|
el_free(tmp); |
|
return -1; |
|
} |
len = 0; |
len = 0; |
from_len = strlen(from); |
from_len = strlen(from); |
for (; *cmd && *cmd != delim; cmd++) { |
for (; *cmd && *cmd != delim; cmd++) { |
if (len + from_len + 1 >= size) { |
if (len + from_len + 1 >= size) { |
|
char *nwith; |
size += from_len + 1; |
size += from_len + 1; |
with = realloc(with, size); |
nwith = el_realloc(with, |
|
size * sizeof(*nwith)); |
|
if (nwith == NULL) { |
|
el_free(with); |
|
el_free(tmp); |
|
return -1; |
|
} |
|
with = nwith; |
} |
} |
if (*cmd == '&') { |
if (*cmd == '&') { |
/* safe */ |
/* safe */ |
Line 513 _history_expand_command(command, cmdlen, |
|
Line 880 _history_expand_command(command, cmdlen, |
|
} |
} |
with[len] = '\0'; |
with[len] = '\0'; |
to = with; |
to = with; |
|
} |
|
|
tempcmd = _rl_compat_sub(line, from, to, |
aptr = _rl_compat_sub(tmp, from, to, g_on); |
(g_on) ? 1 : 0); |
if (aptr) { |
free(line); |
el_free(tmp); |
line = tempcmd; |
tmp = aptr; |
g_on = 0; |
|
} |
} |
|
g_on = 0; |
} |
} |
} |
} |
|
*result = tmp; |
arr = history_tokenize(line); |
return p_on? 2:1; |
free(line); /* no more needed */ |
|
if (arr && *arr == NULL) |
|
free(arr), arr = NULL; |
|
if (!arr) |
|
return -1; |
|
|
|
/* find out max valid idx to array of array */ |
|
max = 0; |
|
for (i = 0; arr[i]; i++) |
|
max++; |
|
max--; |
|
|
|
/* set boundaries to something relevant */ |
|
if (start < 0) |
|
start = 1; |
|
if (end < 0) |
|
end = max - ((end < -1) ? 1 : 0); |
|
|
|
/* check boundaries ... */ |
|
if (start > max || end > max || start > end) |
|
return -1; |
|
|
|
for (i = 0; i <= max; i++) { |
|
char *temp; |
|
if (h_on && (i == 1 || h_on > 1) && |
|
(temp = strrchr(arr[i], '/'))) |
|
*(temp + 1) = '\0'; |
|
if (t_on && (i == 1 || t_on > 1) && |
|
(temp = strrchr(arr[i], '/'))) |
|
(void)strcpy(arr[i], temp + 1); |
|
if (r_on && (i == 1 || r_on > 1) && |
|
(temp = strrchr(arr[i], '.'))) |
|
*temp = '\0'; |
|
if (e_on && (i == 1 || e_on > 1) && |
|
(temp = strrchr(arr[i], '.'))) |
|
(void)strcpy(arr[i], temp); |
|
} |
|
|
|
cmdsize = 1, cmdlen = 0; |
|
tempcmd = malloc(cmdsize); |
|
for (i = start; start <= i && i <= end; i++) { |
|
int arr_len; |
|
|
|
arr_len = strlen(arr[i]); |
|
if (cmdlen + arr_len + 1 >= cmdsize) { |
|
cmdsize += arr_len + 1; |
|
tempcmd = realloc(tempcmd, cmdsize); |
|
} |
|
(void)strcpy(&tempcmd[cmdlen], arr[i]); /* safe */ |
|
cmdlen += arr_len; |
|
tempcmd[cmdlen++] = ' '; /* add a space */ |
|
} |
|
while (cmdlen > 0 && isspace((unsigned char) tempcmd[cmdlen - 1])) |
|
cmdlen--; |
|
tempcmd[cmdlen] = '\0'; |
|
|
|
*result = tempcmd; |
|
|
|
for (i = 0; i <= max; i++) |
|
free(arr[i]); |
|
free(arr), arr = (char **) NULL; |
|
return (p_on) ? 2 : 1; |
|
} |
} |
|
|
|
|
/* |
/* |
* csh-style history expansion |
* csh-style history expansion |
*/ |
*/ |
int |
int |
history_expand(str, output) |
history_expand(char *str, char **output) |
char *str; |
{ |
char **output; |
int ret = 0; |
{ |
size_t idx, i, size; |
int i, retval = 0, idx; |
char *tmp, *result; |
size_t size; |
|
char *temp, *result; |
|
|
|
if (h == NULL || e == NULL) |
if (h == NULL || e == NULL) |
rl_initialize(); |
rl_initialize(); |
|
|
*output = strdup(str); /* do it early */ |
if (history_expansion_char == 0) { |
|
*output = strdup(str); |
|
return 0; |
|
} |
|
|
|
*output = NULL; |
if (str[0] == history_subst_char) { |
if (str[0] == history_subst_char) { |
/* ^foo^foo2^ is equivalent to !!:s^foo^foo2^ */ |
/* ^foo^foo2^ is equivalent to !!:s^foo^foo2^ */ |
temp = alloca(4 + strlen(str) + 1); |
*output = el_malloc((strlen(str) + 4 + 1) * sizeof(**output)); |
temp[0] = temp[1] = history_expansion_char; |
if (*output == NULL) |
temp[2] = ':'; |
return 0; |
temp[3] = 's'; |
(*output)[0] = (*output)[1] = history_expansion_char; |
(void)strcpy(temp + 4, str); |
(*output)[2] = ':'; |
str = temp; |
(*output)[3] = 's'; |
|
(void)strcpy((*output) + 4, str); |
|
str = *output; |
|
} else { |
|
*output = strdup(str); |
|
if (*output == NULL) |
|
return 0; |
} |
} |
#define ADD_STRING(what, len) \ |
|
|
#define ADD_STRING(what, len, fr) \ |
{ \ |
{ \ |
if (idx + len + 1 > size) \ |
if (idx + len + 1 > size) { \ |
result = realloc(result, (size += len + 1)); \ |
char *nresult = el_realloc(result, \ |
|
(size += len + 1) * sizeof(*nresult)); \ |
|
if (nresult == NULL) { \ |
|
el_free(*output); \ |
|
if (/*CONSTCOND*/fr) \ |
|
el_free(tmp); \ |
|
return 0; \ |
|
} \ |
|
result = nresult; \ |
|
} \ |
(void)strncpy(&result[idx], what, len); \ |
(void)strncpy(&result[idx], what, len); \ |
idx += len; \ |
idx += len; \ |
result[idx] = '\0'; \ |
result[idx] = '\0'; \ |
Line 625 history_expand(str, output) |
|
Line 950 history_expand(str, output) |
|
|
|
result = NULL; |
result = NULL; |
size = idx = 0; |
size = idx = 0; |
|
tmp = NULL; |
for (i = 0; str[i];) { |
for (i = 0; str[i];) { |
int start, j, loop_again; |
int qchar, loop_again; |
size_t len; |
size_t len, start, j; |
|
|
|
qchar = 0; |
loop_again = 1; |
loop_again = 1; |
start = j = i; |
start = j = i; |
loop: |
loop: |
for (; str[j]; j++) { |
for (; str[j]; j++) { |
if (str[j] == '\\' && |
if (str[j] == '\\' && |
str[j + 1] == history_expansion_char) { |
str[j + 1] == history_expansion_char) { |
(void)strcpy(&str[j], &str[j + 1]); |
len = strlen(&str[j + 1]) + 1; |
|
memmove(&str[j], &str[j + 1], len); |
continue; |
continue; |
} |
} |
if (!loop_again) { |
if (!loop_again) { |
if (str[j] == '?') { |
if (isspace((unsigned char) str[j]) |
while (str[j] && str[++j] != '?'); |
|| str[j] == qchar) |
if (str[j] == '?') |
|
j++; |
|
} else if (isspace((unsigned char) str[j])) |
|
break; |
break; |
} |
} |
if (str[j] == history_expansion_char |
if (str[j] == history_expansion_char |
&& !strchr(history_no_expand_chars, str[j + 1]) |
&& !strchr(history_no_expand_chars, str[j + 1]) |
&& (!history_inhibit_expansion_function || |
&& (!history_inhibit_expansion_function || |
(*history_inhibit_expansion_function) (str, j) == 0)) |
(*history_inhibit_expansion_function)(str, |
|
(int)j) == 0)) |
break; |
break; |
} |
} |
|
|
if (str[j] && str[j + 1] != '#' && loop_again) { |
if (str[j] && loop_again) { |
i = j; |
i = j; |
|
qchar = (j > 0 && str[j - 1] == '"' )? '"':0; |
j++; |
j++; |
if (str[j] == history_expansion_char) |
if (str[j] == history_expansion_char) |
j++; |
j++; |
|
|
goto loop; |
goto loop; |
} |
} |
len = i - start; |
len = i - start; |
temp = &str[start]; |
ADD_STRING(&str[start], len, 0); |
ADD_STRING(temp, len); |
|
|
|
if (str[i] == '\0' || str[i] != history_expansion_char |
if (str[i] == '\0' || str[i] != history_expansion_char) { |
|| str[i + 1] == '#') { |
|
len = j - i; |
len = j - i; |
temp = &str[i]; |
ADD_STRING(&str[i], len, 0); |
ADD_STRING(temp, len); |
|
if (start == 0) |
if (start == 0) |
retval = 0; |
ret = 0; |
else |
else |
retval = 1; |
ret = 1; |
break; |
break; |
} |
} |
retval = _history_expand_command(&str[i], (size_t)(j - i), |
ret = _history_expand_command (str, i, (j - i), &tmp); |
&temp); |
if (ret > 0 && tmp) { |
if (retval != -1) { |
len = strlen(tmp); |
len = strlen(temp); |
ADD_STRING(tmp, len, 1); |
ADD_STRING(temp, len); |
} |
|
if (tmp) { |
|
el_free(tmp); |
|
tmp = NULL; |
} |
} |
i = j; |
i = j; |
} /* for(i ...) */ |
} |
|
|
if (retval == 2) { |
/* ret is 2 for "print only" option */ |
add_history(temp); |
if (ret == 2) { |
|
add_history(result); |
#ifdef GDB_411_HACK |
#ifdef GDB_411_HACK |
/* gdb 4.11 has been shipped with readline, where */ |
/* gdb 4.11 has been shipped with readline, where */ |
/* history_expand() returned -1 when the line */ |
/* history_expand() returned -1 when the line */ |
/* should not be executed; in readline 2.1+ */ |
/* should not be executed; in readline 2.1+ */ |
/* it should return 2 in such a case */ |
/* it should return 2 in such a case */ |
retval = -1; |
ret = -1; |
#endif |
#endif |
} |
} |
free(*output); |
el_free(*output); |
*output = result; |
*output = result; |
|
|
return retval; |
return ret; |
|
} |
|
|
|
/* |
|
* Return a string consisting of arguments of "str" from "start" to "end". |
|
*/ |
|
char * |
|
history_arg_extract(int start, int end, const char *str) |
|
{ |
|
size_t i, len, max; |
|
char **arr, *result = NULL; |
|
|
|
arr = history_tokenize(str); |
|
if (!arr) |
|
return NULL; |
|
if (arr && *arr == NULL) |
|
goto out; |
|
|
|
for (max = 0; arr[max]; max++) |
|
continue; |
|
max--; |
|
|
|
if (start == '$') |
|
start = (int)max; |
|
if (end == '$') |
|
end = (int)max; |
|
if (end < 0) |
|
end = (int)max + end + 1; |
|
if (start < 0) |
|
start = end; |
|
|
|
if (start < 0 || end < 0 || (size_t)start > max || |
|
(size_t)end > max || start > end) |
|
goto out; |
|
|
|
for (i = (size_t)start, len = 0; i <= (size_t)end; i++) |
|
len += strlen(arr[i]) + 1; |
|
len++; |
|
result = el_malloc(len * sizeof(*result)); |
|
if (result == NULL) |
|
goto out; |
|
|
|
for (i = (size_t)start, len = 0; i <= (size_t)end; i++) { |
|
(void)strcpy(result + len, arr[i]); |
|
len += strlen(arr[i]); |
|
if (i < (size_t)end) |
|
result[len++] = ' '; |
|
} |
|
result[len] = '\0'; |
|
|
|
out: |
|
for (i = 0; arr[i]; i++) |
|
el_free(arr[i]); |
|
el_free(arr); |
|
|
|
return result; |
} |
} |
|
|
/* |
/* |
* Parse the string into individual tokens, similarily to how shell would do it. |
* Parse the string into individual tokens, |
|
* similar to how shell would do it. |
*/ |
*/ |
char ** |
char ** |
history_tokenize(str) |
history_tokenize(const char *str) |
const char *str; |
|
{ |
{ |
int size = 1, result_idx = 0, i, start; |
int size = 1, idx = 0, i, start; |
size_t len; |
size_t len; |
char **result = NULL, *temp, delim = '\0'; |
char **result = NULL, *temp, delim = '\0'; |
|
|
for (i = 0; str[i]; i++) { |
for (i = 0; str[i];) { |
while (isspace((unsigned char) str[i])) |
while (isspace((unsigned char) str[i])) |
i++; |
i++; |
start = i; |
start = i; |
for (; str[i]; i++) { |
for (; str[i];) { |
if (str[i] == '\\') { |
if (str[i] == '\\') { |
if (str[i] != '\0') |
if (str[i+1] != '\0') |
i++; |
i++; |
} else if (str[i] == delim) |
} else if (str[i] == delim) |
delim = '\0'; |
delim = '\0'; |
else if (!delim && |
else if (!delim && |
(isspace((unsigned char) str[i]) || |
(isspace((unsigned char) str[i]) || |
strchr("()<>;&|$", str[i]))) |
strchr("()<>;&|$", str[i]))) |
break; |
break; |
else if (!delim && strchr("'`\"", str[i])) |
else if (!delim && strchr("'`\"", str[i])) |
delim = str[i]; |
delim = str[i]; |
|
if (str[i]) |
|
i++; |
} |
} |
|
|
if (result_idx + 2 >= size) { |
if (idx + 2 >= size) { |
|
char **nresult; |
size <<= 1; |
size <<= 1; |
result = realloc(result, size * sizeof(char *)); |
nresult = el_realloc(result, (size_t)size * sizeof(*nresult)); |
|
if (nresult == NULL) { |
|
el_free(result); |
|
return NULL; |
|
} |
|
result = nresult; |
|
} |
|
len = (size_t)i - (size_t)start; |
|
temp = el_malloc((size_t)(len + 1) * sizeof(*temp)); |
|
if (temp == NULL) { |
|
for (i = 0; i < idx; i++) |
|
el_free(result[i]); |
|
el_free(result); |
|
return NULL; |
} |
} |
len = i - start; |
|
temp = malloc(len + 1); |
|
(void)strncpy(temp, &str[start], len); |
(void)strncpy(temp, &str[start], len); |
temp[len] = '\0'; |
temp[len] = '\0'; |
result[result_idx++] = temp; |
result[idx++] = temp; |
result[result_idx] = NULL; |
result[idx] = NULL; |
|
if (str[i]) |
|
i++; |
} |
} |
|
|
return result; |
return result; |
} |
} |
|
|
|
|
/* |
/* |
* limit size of history record to ``max'' events |
* limit size of history record to ``max'' events |
*/ |
*/ |
void |
void |
stifle_history(max) |
stifle_history(int max) |
int max; |
|
{ |
{ |
HistEvent ev; |
HistEvent ev; |
|
HIST_ENTRY *he; |
|
|
if (h == NULL || e == NULL) |
if (h == NULL || e == NULL) |
rl_initialize(); |
rl_initialize(); |
|
|
if (history(h, &ev, H_SETSIZE, max) == 0) |
if (history(h, &ev, H_SETSIZE, max) == 0) { |
max_input_history = max; |
max_input_history = max; |
|
if (history_length > max) |
|
history_base = history_length - max; |
|
while (history_length > max) { |
|
he = remove_history(0); |
|
el_free(he->data); |
|
el_free((void *)(unsigned long)he->line); |
|
el_free(he); |
|
} |
|
} |
} |
} |
|
|
|
|
/* |
/* |
* "unlimit" size of history - set the limit to maximum allowed int value |
* "unlimit" size of history - set the limit to maximum allowed int value |
*/ |
*/ |
int |
int |
unstifle_history() |
unstifle_history(void) |
{ |
{ |
HistEvent ev; |
HistEvent ev; |
int omax; |
int omax; |
Line 776 unstifle_history() |
|
Line 1185 unstifle_history() |
|
return omax; /* some value _must_ be returned */ |
return omax; /* some value _must_ be returned */ |
} |
} |
|
|
|
|
int |
int |
history_is_stifled() |
history_is_stifled(void) |
{ |
{ |
|
|
/* cannot return true answer */ |
/* cannot return true answer */ |
return (max_input_history != INT_MAX); |
return max_input_history != INT_MAX; |
} |
} |
|
|
/* |
static const char _history_tmp_template[] = "/tmp/.historyXXXXXX"; |
* read history from a file given |
|
*/ |
|
int |
int |
read_history(filename) |
history_truncate_file (const char *filename, int nlines) |
const char *filename; |
|
{ |
{ |
HistEvent ev; |
int ret = 0; |
|
FILE *fp, *tp; |
|
char template[sizeof(_history_tmp_template)]; |
|
char buf[4096]; |
|
int fd; |
|
char *cp; |
|
off_t off; |
|
int count = 0; |
|
ssize_t left = 0; |
|
|
|
if (filename == NULL && (filename = _default_history_file()) == NULL) |
|
return errno; |
|
if ((fp = fopen(filename, "r+")) == NULL) |
|
return errno; |
|
strcpy(template, _history_tmp_template); |
|
if ((fd = mkstemp(template)) == -1) { |
|
ret = errno; |
|
goto out1; |
|
} |
|
|
|
if ((tp = fdopen(fd, "r+")) == NULL) { |
|
close(fd); |
|
ret = errno; |
|
goto out2; |
|
} |
|
|
|
for(;;) { |
|
if (fread(buf, sizeof(buf), (size_t)1, fp) != 1) { |
|
if (ferror(fp)) { |
|
ret = errno; |
|
break; |
|
} |
|
if (fseeko(fp, (off_t)sizeof(buf) * count, SEEK_SET) == |
|
(off_t)-1) { |
|
ret = errno; |
|
break; |
|
} |
|
left = (ssize_t)fread(buf, (size_t)1, sizeof(buf), fp); |
|
if (ferror(fp)) { |
|
ret = errno; |
|
break; |
|
} |
|
if (left == 0) { |
|
count--; |
|
left = sizeof(buf); |
|
} else if (fwrite(buf, (size_t)left, (size_t)1, tp) |
|
!= 1) { |
|
ret = errno; |
|
break; |
|
} |
|
fflush(tp); |
|
break; |
|
} |
|
if (fwrite(buf, sizeof(buf), (size_t)1, tp) != 1) { |
|
ret = errno; |
|
break; |
|
} |
|
count++; |
|
} |
|
if (ret) |
|
goto out3; |
|
cp = buf + left - 1; |
|
if(*cp != '\n') |
|
cp++; |
|
for(;;) { |
|
while (--cp >= buf) { |
|
if (*cp == '\n') { |
|
if (--nlines == 0) { |
|
if (++cp >= buf + sizeof(buf)) { |
|
count++; |
|
cp = buf; |
|
} |
|
break; |
|
} |
|
} |
|
} |
|
if (nlines <= 0 || count == 0) |
|
break; |
|
count--; |
|
if (fseeko(tp, (off_t)sizeof(buf) * count, SEEK_SET) < 0) { |
|
ret = errno; |
|
break; |
|
} |
|
if (fread(buf, sizeof(buf), (size_t)1, tp) != 1) { |
|
if (ferror(tp)) { |
|
ret = errno; |
|
break; |
|
} |
|
ret = EAGAIN; |
|
break; |
|
} |
|
cp = buf + sizeof(buf); |
|
} |
|
|
if (h == NULL || e == NULL) |
if (ret || nlines > 0) |
rl_initialize(); |
goto out3; |
return history(h, &ev, H_LOAD, filename); |
|
} |
|
|
|
/* |
if (fseeko(fp, (off_t)0, SEEK_SET) == (off_t)-1) { |
* write history to a file given |
ret = errno; |
*/ |
goto out3; |
int |
} |
write_history(filename) |
|
const char *filename; |
if (fseeko(tp, (off_t)sizeof(buf) * count + (cp - buf), SEEK_SET) == |
|
(off_t)-1) { |
|
ret = errno; |
|
goto out3; |
|
} |
|
|
|
for(;;) { |
|
if ((left = (ssize_t)fread(buf, (size_t)1, sizeof(buf), tp)) == 0) { |
|
if (ferror(fp)) |
|
ret = errno; |
|
break; |
|
} |
|
if (fwrite(buf, (size_t)left, (size_t)1, fp) != 1) { |
|
ret = errno; |
|
break; |
|
} |
|
} |
|
fflush(fp); |
|
if((off = ftello(fp)) > 0) |
|
(void)ftruncate(fileno(fp), off); |
|
out3: |
|
fclose(tp); |
|
out2: |
|
unlink(template); |
|
out1: |
|
fclose(fp); |
|
|
|
return ret; |
|
} |
|
|
|
|
|
/* |
|
* read history from a file given |
|
*/ |
|
int |
|
read_history(const char *filename) |
{ |
{ |
HistEvent ev; |
HistEvent ev; |
|
|
if (h == NULL || e == NULL) |
if (h == NULL || e == NULL) |
rl_initialize(); |
rl_initialize(); |
return history(h, &ev, H_SAVE, filename); |
if (filename == NULL && (filename = _default_history_file()) == NULL) |
|
return errno; |
|
return history(h, &ev, H_LOAD, filename) == -1 ? |
|
(errno ? errno : EINVAL) : 0; |
} |
} |
|
|
|
|
|
/* |
|
* write history to a file given |
|
*/ |
|
int |
|
write_history(const char *filename) |
|
{ |
|
HistEvent ev; |
|
|
|
if (h == NULL || e == NULL) |
|
rl_initialize(); |
|
if (filename == NULL && (filename = _default_history_file()) == NULL) |
|
return errno; |
|
return history(h, &ev, H_SAVE, filename) == -1 ? |
|
(errno ? errno : EINVAL) : 0; |
|
} |
|
|
|
|
/* |
/* |
* returns history ``num''th event |
* returns history ``num''th event |
* |
* |
* returned pointer points to static variable |
* returned pointer points to static variable |
*/ |
*/ |
HIST_ENTRY * |
HIST_ENTRY * |
history_get(num) |
history_get(int num) |
int num; |
|
{ |
{ |
static HIST_ENTRY she; |
static HIST_ENTRY she; |
HistEvent ev; |
HistEvent ev; |
int i = 1, curr_num; |
int curr_num; |
|
|
if (h == NULL || e == NULL) |
if (h == NULL || e == NULL) |
rl_initialize(); |
rl_initialize(); |
|
|
/* rewind to beginning */ |
if (num < history_base) |
|
return NULL; |
|
|
|
/* save current position */ |
if (history(h, &ev, H_CURR) != 0) |
if (history(h, &ev, H_CURR) != 0) |
return NULL; |
return NULL; |
curr_num = ev.num; |
curr_num = ev.num; |
if (history(h, &ev, H_LAST) != 0) |
|
return NULL; /* error */ |
|
while (i < num && history(h, &ev, H_PREV) == 0) |
|
i++; |
|
if (i != num) |
|
return NULL; /* not so many entries */ |
|
|
|
|
/* |
|
* use H_DELDATA to set to nth history (without delete) by passing |
|
* (void **)-1 -- as in history_set_pos |
|
*/ |
|
if (history(h, &ev, H_DELDATA, num - history_base, (void **)-1) != 0) |
|
goto out; |
|
|
|
/* get current entry */ |
|
if (history(h, &ev, H_CURR) != 0) |
|
goto out; |
|
if (history(h, &ev, H_NEXT_EVDATA, ev.num, &she.data) != 0) |
|
goto out; |
she.line = ev.str; |
she.line = ev.str; |
she.data = NULL; |
|
|
|
/* rewind history to the same event it was before */ |
/* restore pointer to where it was */ |
(void) history(h, &ev, H_FIRST); |
(void)history(h, &ev, H_SET, curr_num); |
(void) history(h, &ev, H_NEXT_EVENT, curr_num); |
|
|
|
return &she; |
return &she; |
|
|
|
out: |
|
/* restore pointer to where it was */ |
|
(void)history(h, &ev, H_SET, curr_num); |
|
return NULL; |
} |
} |
|
|
|
|
/* |
/* |
* add the line to history table |
* add the line to history table |
*/ |
*/ |
int |
int |
add_history(line) |
add_history(const char *line) |
const char *line; |
|
{ |
{ |
HistEvent ev; |
HistEvent ev; |
|
|
if (h == NULL || e == NULL) |
if (h == NULL || e == NULL) |
rl_initialize(); |
rl_initialize(); |
|
|
(void) history(h, &ev, H_ENTER, line); |
if (history(h, &ev, H_ENTER, line) == -1) |
|
return 0; |
|
|
|
(void)history(h, &ev, H_GETSIZE); |
|
if (ev.num == history_length) |
|
history_base++; |
|
else |
|
history_length = ev.num; |
|
return 0; |
|
} |
|
|
|
|
|
/* |
|
* remove the specified entry from the history list and return it. |
|
*/ |
|
HIST_ENTRY * |
|
remove_history(int num) |
|
{ |
|
HIST_ENTRY *he; |
|
HistEvent ev; |
|
|
|
if (h == NULL || e == NULL) |
|
rl_initialize(); |
|
|
|
if ((he = el_malloc(sizeof(*he))) == NULL) |
|
return NULL; |
|
|
|
if (history(h, &ev, H_DELDATA, num, &he->data) != 0) { |
|
el_free(he); |
|
return NULL; |
|
} |
|
|
|
he->line = ev.str; |
if (history(h, &ev, H_GETSIZE) == 0) |
if (history(h, &ev, H_GETSIZE) == 0) |
history_length = ev.num; |
history_length = ev.num; |
|
|
return (!(history_length > 0)); /* return 0 if all is okay */ |
return he; |
|
} |
|
|
|
|
|
/* |
|
* replace the line and data of the num-th entry |
|
*/ |
|
HIST_ENTRY * |
|
replace_history_entry(int num, const char *line, histdata_t data) |
|
{ |
|
HIST_ENTRY *he; |
|
HistEvent ev; |
|
int curr_num; |
|
|
|
if (h == NULL || e == NULL) |
|
rl_initialize(); |
|
|
|
/* save current position */ |
|
if (history(h, &ev, H_CURR) != 0) |
|
return NULL; |
|
curr_num = ev.num; |
|
|
|
/* start from the oldest */ |
|
if (history(h, &ev, H_LAST) != 0) |
|
return NULL; /* error */ |
|
|
|
if ((he = el_malloc(sizeof(*he))) == NULL) |
|
return NULL; |
|
|
|
/* look forwards for event matching specified offset */ |
|
if (history(h, &ev, H_NEXT_EVDATA, num, &he->data)) |
|
goto out; |
|
|
|
he->line = strdup(ev.str); |
|
if (he->line == NULL) |
|
goto out; |
|
|
|
if (history(h, &ev, H_REPLACE, line, data)) |
|
goto out; |
|
|
|
/* restore pointer to where it was */ |
|
if (history(h, &ev, H_SET, curr_num)) |
|
goto out; |
|
|
|
return he; |
|
out: |
|
el_free(he); |
|
return NULL; |
} |
} |
|
|
/* |
/* |
* clear the history list - delete all entries |
* clear the history list - delete all entries |
*/ |
*/ |
void |
void |
clear_history() |
clear_history(void) |
{ |
{ |
HistEvent ev; |
HistEvent ev; |
history(h, &ev, H_CLEAR); |
|
|
if (h == NULL || e == NULL) |
|
rl_initialize(); |
|
|
|
(void)history(h, &ev, H_CLEAR); |
|
history_offset = history_length = 0; |
} |
} |
|
|
|
|
/* |
/* |
* returns offset of the current history event |
* returns offset of the current history event |
*/ |
*/ |
int |
int |
where_history() |
where_history(void) |
|
{ |
|
return history_offset; |
|
} |
|
|
|
static HIST_ENTRY **_history_listp; |
|
static HIST_ENTRY *_history_list; |
|
|
|
HIST_ENTRY ** |
|
history_list(void) |
{ |
{ |
HistEvent ev; |
HistEvent ev; |
int curr_num, off; |
HIST_ENTRY **nlp, *nl; |
|
int i; |
|
|
if (history(h, &ev, H_CURR) != 0) |
if (history(h, &ev, H_LAST) != 0) |
return 0; |
return NULL; |
curr_num = ev.num; |
|
|
|
history(h, &ev, H_FIRST); |
if ((nlp = el_realloc(_history_listp, |
off = 1; |
(size_t)history_length * sizeof(*nlp))) == NULL) |
while (ev.num != curr_num && history(h, &ev, H_NEXT) == 0) |
return NULL; |
off++; |
_history_listp = nlp; |
|
|
|
if ((nl = el_realloc(_history_list, |
|
(size_t)history_length * sizeof(*nl))) == NULL) |
|
return NULL; |
|
_history_list = nl; |
|
|
return off; |
i = 0; |
|
do { |
|
_history_listp[i] = &_history_list[i]; |
|
_history_list[i].line = ev.str; |
|
_history_list[i].data = NULL; |
|
if (i++ == history_length) |
|
abort(); |
|
} while (history(h, &ev, H_PREV) == 0); |
|
return _history_listp; |
} |
} |
|
|
/* |
/* |
* returns current history event or NULL if there is no such event |
* returns current history event or NULL if there is no such event |
*/ |
*/ |
HIST_ENTRY * |
HIST_ENTRY * |
current_history() |
current_history(void) |
{ |
{ |
return _move_history(H_CURR); |
HistEvent ev; |
|
|
|
if (history(h, &ev, H_PREV_EVENT, history_offset + 1) != 0) |
|
return NULL; |
|
|
|
rl_he.line = ev.str; |
|
rl_he.data = NULL; |
|
return &rl_he; |
} |
} |
|
|
|
|
/* |
/* |
* returns total number of bytes history events' data are using |
* returns total number of bytes history events' data are using |
*/ |
*/ |
int |
int |
history_total_bytes() |
history_total_bytes(void) |
{ |
{ |
HistEvent ev; |
HistEvent ev; |
int curr_num, size; |
int curr_num; |
|
size_t size; |
|
|
if (history(h, &ev, H_CURR) != 0) |
if (history(h, &ev, H_CURR) != 0) |
return -1; |
return -1; |
curr_num = ev.num; |
curr_num = ev.num; |
|
|
history(h, &ev, H_FIRST); |
(void)history(h, &ev, H_FIRST); |
size = 0; |
size = 0; |
do |
do |
size += strlen(ev.str); |
size += strlen(ev.str) * sizeof(*ev.str); |
while (history(h, &ev, H_NEXT) == 0); |
while (history(h, &ev, H_NEXT) == 0); |
|
|
/* get to the same position as before */ |
/* get to the same position as before */ |
history(h, &ev, H_PREV_EVENT, curr_num); |
history(h, &ev, H_PREV_EVENT, curr_num); |
|
|
return size; |
return (int)size; |
} |
} |
|
|
|
|
/* |
/* |
* sets the position in the history list to ``pos'' |
* sets the position in the history list to ``pos'' |
*/ |
*/ |
int |
int |
history_set_pos(pos) |
history_set_pos(int pos) |
int pos; |
|
{ |
{ |
HistEvent ev; |
if (pos >= history_length || pos < 0) |
int off, curr_num; |
return 0; |
|
|
if (pos > history_length || pos < 0) |
|
return -1; |
|
|
|
history(h, &ev, H_CURR); |
|
curr_num = ev.num; |
|
history(h, &ev, H_FIRST); |
|
off = 0; |
|
while (off < pos && history(h, &ev, H_NEXT) == 0) |
|
off++; |
|
|
|
if (off != pos) { /* do a rollback in case of error */ |
history_offset = pos; |
history(h, &ev, H_FIRST); |
return 1; |
history(h, &ev, H_NEXT_EVENT, curr_num); |
|
return -1; |
|
} |
|
return 0; |
|
} |
} |
|
|
|
|
/* |
/* |
* returns previous event in history and shifts pointer accordingly |
* returns previous event in history and shifts pointer accordingly |
|
* Note that readline and editline define directions in opposite ways. |
*/ |
*/ |
HIST_ENTRY * |
HIST_ENTRY * |
previous_history() |
previous_history(void) |
{ |
{ |
return _move_history(H_PREV); |
HistEvent ev; |
|
|
|
if (history_offset == 0) |
|
return NULL; |
|
|
|
if (history(h, &ev, H_LAST) != 0) |
|
return NULL; |
|
|
|
history_offset--; |
|
return current_history(); |
} |
} |
|
|
|
|
/* |
/* |
* returns next event in history and shifts pointer accordingly |
* returns next event in history and shifts pointer accordingly |
*/ |
*/ |
HIST_ENTRY * |
HIST_ENTRY * |
next_history() |
next_history(void) |
{ |
{ |
return _move_history(H_NEXT); |
HistEvent ev; |
|
|
|
if (history_offset >= history_length) |
|
return NULL; |
|
|
|
if (history(h, &ev, H_LAST) != 0) |
|
return NULL; |
|
|
|
history_offset++; |
|
return current_history(); |
} |
} |
|
|
|
|
/* |
/* |
* generic history search function |
* searches for first history event containing the str |
*/ |
*/ |
static int |
int |
_history_search_gen(str, direction, pos) |
history_search(const char *str, int direction) |
const char *str; |
{ |
int direction, pos; |
HistEvent ev; |
{ |
const char *strp; |
HistEvent ev; |
int curr_num; |
const char *strp; |
|
int curr_num; |
|
|
|
if (history(h, &ev, H_CURR) != 0) |
if (history(h, &ev, H_CURR) != 0) |
return -1; |
return -1; |
curr_num = ev.num; |
curr_num = ev.num; |
|
|
for (;;) { |
for (;;) { |
strp = strstr(ev.str, str); |
if ((strp = strstr(ev.str, str)) != NULL) |
if (strp && (pos < 0 || &ev.str[pos] == strp)) |
return (int)(strp - ev.str); |
return (int) (strp - ev.str); |
if (history(h, &ev, direction < 0 ? H_NEXT:H_PREV) != 0) |
if (history(h, &ev, direction < 0 ? H_PREV : H_NEXT) != 0) |
|
break; |
break; |
} |
} |
|
(void)history(h, &ev, H_SET, curr_num); |
history(h, &ev, direction < 0 ? H_NEXT_EVENT : H_PREV_EVENT, curr_num); |
|
|
|
return -1; |
return -1; |
} |
} |
|
|
/* |
|
* searches for first history event containing the str |
|
*/ |
|
int |
|
history_search(str, direction) |
|
const char *str; |
|
int direction; |
|
{ |
|
return _history_search_gen(str, direction, -1); |
|
} |
|
|
|
/* |
/* |
* searches for first history event beginning with str |
* searches for first history event beginning with str |
*/ |
*/ |
int |
int |
history_search_prefix(str, direction) |
history_search_prefix(const char *str, int direction) |
const char *str; |
|
int direction; |
|
{ |
{ |
return _history_search_gen(str, direction, 0); |
HistEvent ev; |
|
|
|
return (history(h, &ev, direction < 0 ? |
|
H_PREV_STR : H_NEXT_STR, str)); |
} |
} |
|
|
|
|
/* |
/* |
* search for event in history containing str, starting at offset |
* search for event in history containing str, starting at offset |
* abs(pos); continue backward, if pos<0, forward otherwise |
* abs(pos); continue backward, if pos<0, forward otherwise |
*/ |
*/ |
/* ARGSUSED */ |
/* ARGSUSED */ |
int |
int |
history_search_pos(str, direction, pos) |
history_search_pos(const char *str, |
const char *str; |
int direction __attribute__((__unused__)), int pos) |
int direction, pos; |
|
{ |
{ |
HistEvent ev; |
HistEvent ev; |
int curr_num, off; |
int curr_num, off; |
|
|
off = (pos > 0) ? pos : -pos; |
off = (pos > 0) ? pos : -pos; |
pos = (pos > 0) ? 1 : -1; |
pos = (pos > 0) ? 1 : -1; |
Line 1049 history_search_pos(str, direction, pos) |
|
Line 1725 history_search_pos(str, direction, pos) |
|
return -1; |
return -1; |
curr_num = ev.num; |
curr_num = ev.num; |
|
|
if (history_set_pos(off) != 0 || history(h, &ev, H_CURR) != 0) |
if (!history_set_pos(off) || history(h, &ev, H_CURR) != 0) |
return -1; |
return -1; |
|
|
|
|
for (;;) { |
for (;;) { |
if (strstr(ev.str, str)) |
if (strstr(ev.str, str)) |
return off; |
return off; |
Line 1061 history_search_pos(str, direction, pos) |
|
Line 1736 history_search_pos(str, direction, pos) |
|
} |
} |
|
|
/* set "current" pointer back to previous state */ |
/* set "current" pointer back to previous state */ |
history(h, &ev, (pos < 0) ? H_NEXT_EVENT : H_PREV_EVENT, curr_num); |
(void)history(h, &ev, |
|
pos < 0 ? H_NEXT_EVENT : H_PREV_EVENT, curr_num); |
|
|
return -1; |
return -1; |
} |
} |
|
|
|
|
/********************************/ |
/********************************/ |
/* completition functions */ |
/* completion functions */ |
|
|
/* |
|
* does tilde expansion of strings of type ``~user/foo'' |
|
* if ``user'' isn't valid user name or ``txt'' doesn't start |
|
* w/ '~', returns pointer to strdup()ed copy of ``txt'' |
|
* |
|
* it's callers's responsibility to free() returned string |
|
*/ |
|
char * |
char * |
tilde_expand(txt) |
tilde_expand(char *name) |
char *txt; |
|
{ |
{ |
struct passwd *pass; |
return fn_tilde_expand(name); |
char *temp; |
|
size_t len = 0; |
|
|
|
if (txt[0] != '~') |
|
return strdup(txt); |
|
|
|
temp = strchr(txt + 1, '/'); |
|
if (temp == NULL) |
|
temp = strdup(txt + 1); |
|
else { |
|
len = temp - txt + 1; /* text until string after slash */ |
|
temp = malloc(len); |
|
(void)strncpy(temp, txt + 1, len - 2); |
|
temp[len - 2] = '\0'; |
|
} |
|
pass = getpwnam(temp); |
|
free(temp); /* value no more needed */ |
|
if (pass == NULL) |
|
return strdup(txt); |
|
|
|
/* update pointer txt to point at string immedially following */ |
|
/* first slash */ |
|
txt += len; |
|
|
|
temp = malloc(strlen(pass->pw_dir) + 1 + strlen(txt) + 1); |
|
(void)sprintf(temp, "%s/%s", pass->pw_dir, txt); |
|
|
|
return temp; |
|
} |
} |
|
|
/* |
char * |
* return first found file name starting by the ``text'' or NULL if no |
filename_completion_function(const char *name, int state) |
* such file can be found |
{ |
* value of ``state'' is ignored |
return fn_filename_completion_function(name, state); |
* |
|
* it's caller's responsibility to free returned string |
|
*/ |
|
char * |
|
filename_completion_function(text, state) |
|
const char *text; |
|
int state; |
|
{ |
|
static DIR *dir = NULL; |
|
static char *filename = NULL, *dirname = NULL; |
|
static size_t filename_len = 0; |
|
struct dirent *entry; |
|
char *temp; |
|
size_t len; |
|
|
|
if (state == 0 || dir == NULL) { |
|
if (dir != NULL) { |
|
closedir(dir); |
|
dir = NULL; |
|
} |
|
temp = strrchr(text, '/'); |
|
if (temp) { |
|
temp++; |
|
filename = realloc(filename, strlen(temp) + 1); |
|
(void)strcpy(filename, temp); |
|
len = temp - text; /* including last slash */ |
|
dirname = realloc(dirname, len + 1); |
|
(void)strncpy(dirname, text, len); |
|
dirname[len] = '\0'; |
|
} else { |
|
filename = strdup(text); |
|
dirname = NULL; |
|
} |
|
|
|
/* support for ``~user'' syntax */ |
|
if (dirname && *dirname == '~') { |
|
temp = tilde_expand(dirname); |
|
dirname = realloc(dirname, strlen(temp) + 1); |
|
(void)strcpy(dirname, temp); /* safe */ |
|
free(temp); /* no more needed */ |
|
} |
|
/* will be used in cycle */ |
|
filename_len = strlen(filename); |
|
if (filename_len == 0) |
|
return NULL; /* no expansion possible */ |
|
|
|
dir = opendir(dirname ? dirname : "."); |
|
if (!dir) |
|
return NULL; /* cannot open the directory */ |
|
} |
|
/* find the match */ |
|
while ((entry = readdir(dir)) != NULL) { |
|
/* otherwise, get first entry where first */ |
|
/* filename_len characters are equal */ |
|
if (entry->d_name[0] == filename[0] |
|
#if defined(__SVR4) || defined(__linux__) |
|
&& strlen(entry->d_name) >= filename_len |
|
#else |
|
&& entry->d_namlen >= filename_len |
|
#endif |
|
&& strncmp(entry->d_name, filename, |
|
filename_len) == 0) |
|
break; |
|
} |
|
|
|
if (entry) { /* match found */ |
|
|
|
struct stat stbuf; |
|
#if defined(__SVR4) || defined(__linux__) |
|
len = strlen(entry->d_name) + |
|
#else |
|
len = entry->d_namlen + |
|
#endif |
|
((dirname) ? strlen(dirname) : 0) + 1 + 1; |
|
temp = malloc(len); |
|
(void)sprintf(temp, "%s%s", |
|
dirname ? dirname : "", entry->d_name); /* safe */ |
|
|
|
/* test, if it's directory */ |
|
if (stat(temp, &stbuf) == 0 && S_ISDIR(stbuf.st_mode)) |
|
strcat(temp, "/"); /* safe */ |
|
} else |
|
temp = NULL; |
|
|
|
return temp; |
|
} |
} |
|
|
/* |
/* |
* a completion generator for usernames; returns _first_ username |
* a completion generator for usernames; returns _first_ username |
* which starts with supplied text |
* which starts with supplied text |
* text contains a partial username preceded by random character |
* text contains a partial username preceded by random character |
* (usually '~'); state is ignored |
* (usually '~'); state resets search from start (??? should we do that anyway) |
* it's callers responsibility to free returned value |
* it's the caller's responsibility to free the returned value |
*/ |
*/ |
char * |
char * |
username_completion_function(text, state) |
username_completion_function(const char *text, int state) |
const char *text; |
|
int state; |
|
{ |
{ |
struct passwd *pwd; |
#if defined(HAVE_GETPW_R_POSIX) || defined(HAVE_GETPW_R_DRAFT) |
|
struct passwd pwres; |
|
char pwbuf[1024]; |
|
#endif |
|
struct passwd *pass = NULL; |
|
|
if (text[0] == '\0') |
if (text[0] == '\0') |
return NULL; |
return NULL; |
Line 1226 username_completion_function(text, state |
|
Line 1783 username_completion_function(text, state |
|
if (state == 0) |
if (state == 0) |
setpwent(); |
setpwent(); |
|
|
while ((pwd = getpwent()) && text[0] == pwd->pw_name[0] |
while ( |
&& strcmp(text, pwd->pw_name) == 0); |
#if defined(HAVE_GETPW_R_POSIX) || defined(HAVE_GETPW_R_DRAFT) |
|
getpwent_r(&pwres, pwbuf, sizeof(pwbuf), &pass) == 0 && pass != NULL |
|
#else |
|
(pass = getpwent()) != NULL |
|
#endif |
|
&& text[0] == pass->pw_name[0] |
|
&& strcmp(text, pass->pw_name) == 0) |
|
continue; |
|
|
if (pwd == NULL) { |
if (pass == NULL) { |
endpwent(); |
endpwent(); |
return NULL; |
return NULL; |
} |
} |
return strdup(pwd->pw_name); |
return strdup(pass->pw_name); |
} |
} |
|
|
|
|
/* |
/* |
* el-compatible wrapper around rl_complete; needed for key binding |
* el-compatible wrapper to send TSTP on ^Z |
*/ |
*/ |
/* ARGSUSED */ |
/* ARGSUSED */ |
static unsigned char |
static unsigned char |
_el_rl_complete(el, ch) |
_el_rl_tstp(EditLine *el __attribute__((__unused__)), int ch __attribute__((__unused__))) |
EditLine *el; |
|
int ch; |
|
{ |
{ |
return (unsigned char) rl_complete(0, ch); |
(void)kill(0, SIGTSTP); |
|
return CC_NORM; |
} |
} |
|
|
/* |
/* |
* returns list of completitions for text given |
* Display list of strings in columnar format on readline's output stream. |
|
* 'matches' is list of strings, 'len' is number of strings in 'matches', |
|
* 'max' is maximum length of string in 'matches'. |
*/ |
*/ |
char ** |
void |
completion_matches(text, genfunc) |
rl_display_match_list(char **matches, int len, int max) |
const char *text; |
|
CPFunction *genfunc; |
|
{ |
{ |
char **match_list = NULL, *retstr, *prevstr; |
|
size_t math_list_len, max_equal, which, i; |
|
int matches; |
|
|
|
if (h == NULL || e == NULL) |
|
rl_initialize(); |
|
|
|
matches = 0; |
fn_display_match_list(e, matches, (size_t)len, (size_t)max); |
math_list_len = 1; |
} |
while ((retstr = (*genfunc) (text, matches)) != NULL) { |
|
if (matches + 1 >= math_list_len) { |
|
math_list_len <<= 1; |
|
match_list = realloc(match_list, |
|
math_list_len * sizeof(char *)); |
|
} |
|
match_list[++matches] = retstr; |
|
} |
|
|
|
if (!match_list) |
|
return (char **) NULL; /* nothing found */ |
|
|
|
/* find least denominator and insert it to match_list[0] */ |
|
which = 2; |
|
prevstr = match_list[1]; |
|
max_equal = strlen(prevstr); |
|
for (; which < matches; which++) { |
|
for (i = 0; i < max_equal && |
|
prevstr[i] == match_list[which][i]; i++) |
|
continue; |
|
max_equal = i; |
|
} |
|
|
|
retstr = malloc(max_equal + 1); |
|
(void)strncpy(retstr, match_list[1], max_equal); |
|
retstr[max_equal] = '\0'; |
|
match_list[0] = retstr; |
|
|
|
/* add NULL as last pointer to the array */ |
|
if (matches + 1 >= math_list_len) |
|
match_list = realloc(match_list, |
|
(math_list_len + 1) * sizeof(char *)); |
|
match_list[matches + 1] = (char *) NULL; |
|
|
|
return match_list; |
static const char * |
|
/*ARGSUSED*/ |
|
_rl_completion_append_character_function(const char *dummy |
|
__attribute__((__unused__))) |
|
{ |
|
static char buf[2]; |
|
buf[0] = (char)rl_completion_append_character; |
|
buf[1] = '\0'; |
|
return buf; |
} |
} |
|
|
|
|
/* |
/* |
* called by rl_complete() |
* complete word at current point |
*/ |
*/ |
/* ARGSUSED */ |
/* ARGSUSED */ |
static int |
int |
rl_complete_internal(what_to_do) |
rl_complete(int ignore __attribute__((__unused__)), int invoking_key) |
int what_to_do; |
|
{ |
{ |
CPFunction *complet_func; |
static ct_buffer_t wbreak_conv, sprefix_conv; |
const LineInfo *li; |
char *breakchars; |
char *temp, *temp2, **arr; |
|
size_t len; |
|
|
|
if (h == NULL || e == NULL) |
if (h == NULL || e == NULL) |
rl_initialize(); |
rl_initialize(); |
|
|
complet_func = rl_completion_entry_function; |
if (rl_inhibit_completion) { |
if (!complet_func) |
char arr[2]; |
complet_func = filename_completion_function; |
arr[0] = (char)invoking_key; |
|
arr[1] = '\0'; |
li = el_line(e); |
el_insertstr(e, arr); |
/* LINTED const cast */ |
|
temp = (char *) li->cursor; |
|
while (temp > li->buffer && |
|
!strchr(rl_basic_word_break_characters, *(temp - 1))) |
|
temp--; |
|
|
|
len = li->cursor - temp; |
|
temp2 = alloca(len + 1); |
|
(void)strncpy(temp2, temp, len); |
|
temp = temp2; |
|
temp[len] = '\0'; |
|
|
|
/* these can be used by function called in completion_matches() */ |
|
/* or (*rl_attempted_completion_function)() */ |
|
rl_point = li->cursor - li->buffer; |
|
rl_end = li->lastchar - li->buffer; |
|
|
|
if (!rl_attempted_completion_function) |
|
arr = completion_matches(temp, complet_func); |
|
else { |
|
int end = li->cursor - li->buffer; |
|
arr = (*rl_attempted_completion_function) (temp, (int) |
|
(end - len), end); |
|
} |
|
|
|
if (arr) { |
|
int i; |
|
|
|
el_deletestr(e, (int)len); |
|
el_insertstr(e, arr[0]); |
|
if (strcmp(arr[0], arr[1]) == 0) { |
|
/* lcd is valid object, so add a space to mark it */ |
|
/* in case of filename completition, add a space */ |
|
/* only if object found is not directory */ |
|
size_t alen = strlen(arr[0]); |
|
if (complet_func != filename_completion_function |
|
|| (alen > 0 && (arr[0])[alen - 1] != '/')) |
|
el_insertstr(e, " "); |
|
} else |
|
/* lcd is not a valid object - further specification */ |
|
/* is needed */ |
|
el_beep(e); |
|
|
|
/* free elements of array and the array itself */ |
|
for (i = 0; arr[i]; i++) |
|
free(arr[i]); |
|
free(arr), arr = NULL; |
|
|
|
return CC_REFRESH; |
return CC_REFRESH; |
} |
} |
return CC_NORM; |
|
|
if (rl_completion_word_break_hook != NULL) |
|
breakchars = (*rl_completion_word_break_hook)(); |
|
else |
|
breakchars = rl_basic_word_break_characters; |
|
|
|
_rl_update_pos(); |
|
|
|
/* Just look at how many global variables modify this operation! */ |
|
return fn_complete(e, |
|
(rl_compentry_func_t *)rl_completion_entry_function, |
|
rl_attempted_completion_function, |
|
ct_decode_string(rl_basic_word_break_characters, &wbreak_conv), |
|
ct_decode_string(breakchars, &sprefix_conv), |
|
_rl_completion_append_character_function, |
|
(size_t)rl_completion_query_items, |
|
&rl_completion_type, &rl_attempted_completion_over, |
|
&rl_point, &rl_end); |
|
|
|
|
} |
} |
|
|
/* |
|
* complete word at current point |
|
*/ |
|
int |
|
rl_complete(ignore, invoking_key) |
|
int ignore, invoking_key; |
|
{ |
|
if (h == NULL || e == NULL) |
|
rl_initialize(); |
|
|
|
if (rl_inhibit_completion) { |
/* ARGSUSED */ |
rl_insert(ignore, invoking_key); |
static unsigned char |
return CC_REFRESH; |
_el_rl_complete(EditLine *el __attribute__((__unused__)), int ch) |
} else |
{ |
return rl_complete_internal(invoking_key); |
return (unsigned char)rl_complete(0, ch); |
} |
} |
|
|
/* |
/* |
Line 1401 rl_complete(ignore, invoking_key) |
|
Line 1894 rl_complete(ignore, invoking_key) |
|
* bind key c to readline-type function func |
* bind key c to readline-type function func |
*/ |
*/ |
int |
int |
rl_bind_key(c, func) |
rl_bind_key(int c, rl_command_func_t *func) |
int c; |
|
int func __P((int, int)); |
|
{ |
{ |
int retval = -1; |
int retval = -1; |
|
|
if (h == NULL || e == NULL) |
if (h == NULL || e == NULL) |
rl_initialize(); |
rl_initialize(); |
Line 1418 rl_bind_key(c, func) |
|
Line 1909 rl_bind_key(c, func) |
|
return retval; |
return retval; |
} |
} |
|
|
|
|
/* |
/* |
* read one key from input - handles chars pushed back |
* read one key from input - handles chars pushed back |
* to input stream also |
* to input stream also |
*/ |
*/ |
int |
int |
rl_read_key() |
rl_read_key(void) |
{ |
{ |
char fooarr[2 * sizeof(int)]; |
char fooarr[2 * sizeof(int)]; |
|
|
if (e == NULL || h == NULL) |
if (e == NULL || h == NULL) |
rl_initialize(); |
rl_initialize(); |
|
|
return el_getc(e, fooarr); |
return el_getc(e, fooarr); |
} |
} |
|
|
|
|
/* |
/* |
* reset the terminal |
* reset the terminal |
*/ |
*/ |
/* ARGSUSED */ |
/* ARGSUSED */ |
void |
void |
rl_reset_terminal(p) |
rl_reset_terminal(const char *p __attribute__((__unused__))) |
const char *p; |
|
{ |
{ |
|
|
if (h == NULL || e == NULL) |
if (h == NULL || e == NULL) |
rl_initialize(); |
rl_initialize(); |
el_reset(e); |
el_reset(e); |
} |
} |
|
|
|
|
/* |
/* |
* insert character ``c'' back into input stream, ``count'' times |
* insert character ``c'' back into input stream, ``count'' times |
*/ |
*/ |
int |
int |
rl_insert(count, c) |
rl_insert(int count, int c) |
int count, c; |
|
{ |
{ |
char arr[2]; |
char arr[2]; |
|
|
if (h == NULL || e == NULL) |
if (h == NULL || e == NULL) |
rl_initialize(); |
rl_initialize(); |
|
|
/* XXX - int -> char conversion can lose on multichars */ |
/* XXX - int -> char conversion can lose on multichars */ |
arr[0] = c; |
arr[0] = (char)c; |
arr[1] = '\0'; |
arr[1] = '\0'; |
|
|
for (; count > 0; count--) |
for (; count > 0; count--) |
Line 1467 rl_insert(count, c) |
|
Line 1960 rl_insert(count, c) |
|
|
|
return 0; |
return 0; |
} |
} |
|
|
|
int |
|
rl_insert_text(const char *text) |
|
{ |
|
if (!text || *text == 0) |
|
return 0; |
|
|
|
if (h == NULL || e == NULL) |
|
rl_initialize(); |
|
|
|
if (el_insertstr(e, text) < 0) |
|
return 0; |
|
return (int)strlen(text); |
|
} |
|
|
|
/*ARGSUSED*/ |
|
int |
|
rl_newline(int count __attribute__((__unused__)), |
|
int c __attribute__((__unused__))) |
|
{ |
|
/* |
|
* Readline-4.0 appears to ignore the args. |
|
*/ |
|
return rl_insert(1, '\n'); |
|
} |
|
|
|
/*ARGSUSED*/ |
|
static unsigned char |
|
rl_bind_wrapper(EditLine *el __attribute__((__unused__)), unsigned char c) |
|
{ |
|
if (map[c] == NULL) |
|
return CC_ERROR; |
|
|
|
_rl_update_pos(); |
|
|
|
(*map[c])(1, c); |
|
|
|
/* If rl_done was set by the above call, deal with it here */ |
|
if (rl_done) |
|
return CC_EOF; |
|
|
|
return CC_NORM; |
|
} |
|
|
|
int |
|
rl_add_defun(const char *name, rl_command_func_t *fun, int c) |
|
{ |
|
char dest[8]; |
|
if ((size_t)c >= sizeof(map) / sizeof(map[0]) || c < 0) |
|
return -1; |
|
map[(unsigned char)c] = fun; |
|
el_set(e, EL_ADDFN, name, name, rl_bind_wrapper); |
|
vis(dest, c, VIS_WHITE|VIS_NOSLASH, 0); |
|
el_set(e, EL_BIND, dest, name, NULL); |
|
return 0; |
|
} |
|
|
|
void |
|
rl_callback_read_char(void) |
|
{ |
|
int count = 0, done = 0; |
|
const char *buf = el_gets(e, &count); |
|
char *wbuf; |
|
|
|
if (buf == NULL || count-- <= 0) |
|
return; |
|
if (count == 0 && buf[0] == e->el_tty.t_c[TS_IO][C_EOF]) |
|
done = 1; |
|
if (buf[count] == '\n' || buf[count] == '\r') |
|
done = 2; |
|
|
|
if (done && rl_linefunc != NULL) { |
|
el_set(e, EL_UNBUFFERED, 0); |
|
if (done == 2) { |
|
if ((wbuf = strdup(buf)) != NULL) |
|
wbuf[count] = '\0'; |
|
} else |
|
wbuf = NULL; |
|
(*(void (*)(const char *))rl_linefunc)(wbuf); |
|
el_set(e, EL_UNBUFFERED, 1); |
|
} |
|
} |
|
|
|
void |
|
rl_callback_handler_install(const char *prompt, rl_vcpfunc_t *linefunc) |
|
{ |
|
if (e == NULL) { |
|
rl_initialize(); |
|
} |
|
(void)rl_set_prompt(prompt); |
|
rl_linefunc = linefunc; |
|
el_set(e, EL_UNBUFFERED, 1); |
|
} |
|
|
|
void |
|
rl_callback_handler_remove(void) |
|
{ |
|
el_set(e, EL_UNBUFFERED, 0); |
|
rl_linefunc = NULL; |
|
} |
|
|
|
void |
|
rl_redisplay(void) |
|
{ |
|
char a[2]; |
|
a[0] = (char)e->el_tty.t_c[TS_IO][C_REPRINT]; |
|
a[1] = '\0'; |
|
el_push(e, a); |
|
} |
|
|
|
int |
|
rl_get_previous_history(int count, int key) |
|
{ |
|
char a[2]; |
|
a[0] = (char)key; |
|
a[1] = '\0'; |
|
while (count--) |
|
el_push(e, a); |
|
return 0; |
|
} |
|
|
|
void |
|
/*ARGSUSED*/ |
|
rl_prep_terminal(int meta_flag __attribute__((__unused__))) |
|
{ |
|
el_set(e, EL_PREP_TERM, 1); |
|
} |
|
|
|
void |
|
rl_deprep_terminal(void) |
|
{ |
|
el_set(e, EL_PREP_TERM, 0); |
|
} |
|
|
|
int |
|
rl_read_init_file(const char *s) |
|
{ |
|
return el_source(e, s); |
|
} |
|
|
|
int |
|
rl_parse_and_bind(const char *line) |
|
{ |
|
const char **argv; |
|
int argc; |
|
Tokenizer *tok; |
|
|
|
tok = tok_init(NULL); |
|
tok_str(tok, line, &argc, &argv); |
|
argc = el_parse(e, argc, argv); |
|
tok_end(tok); |
|
return argc ? 1 : 0; |
|
} |
|
|
|
int |
|
rl_variable_bind(const char *var, const char *value) |
|
{ |
|
/* |
|
* The proper return value is undocument, but this is what the |
|
* readline source seems to do. |
|
*/ |
|
return el_set(e, EL_BIND, "", var, value, NULL) == -1 ? 1 : 0; |
|
} |
|
|
|
void |
|
rl_stuff_char(int c) |
|
{ |
|
char buf[2]; |
|
|
|
buf[0] = (char)c; |
|
buf[1] = '\0'; |
|
el_insertstr(e, buf); |
|
} |
|
|
|
static int |
|
_rl_event_read_char(EditLine *el, wchar_t *wc) |
|
{ |
|
char ch; |
|
int n; |
|
ssize_t num_read = 0; |
|
|
|
ch = '\0'; |
|
*wc = L'\0'; |
|
while (rl_event_hook) { |
|
|
|
(*rl_event_hook)(); |
|
|
|
#if defined(FIONREAD) |
|
if (ioctl(el->el_infd, FIONREAD, &n) < 0) |
|
return -1; |
|
if (n) |
|
num_read = read(el->el_infd, &ch, (size_t)1); |
|
else |
|
num_read = 0; |
|
#elif defined(F_SETFL) && defined(O_NDELAY) |
|
if ((n = fcntl(el->el_infd, F_GETFL, 0)) < 0) |
|
return -1; |
|
if (fcntl(el->el_infd, F_SETFL, n|O_NDELAY) < 0) |
|
return -1; |
|
num_read = read(el->el_infd, &ch, 1); |
|
if (fcntl(el->el_infd, F_SETFL, n)) |
|
return -1; |
|
#else |
|
/* not non-blocking, but what you gonna do? */ |
|
num_read = read(el->el_infd, &ch, 1); |
|
return -1; |
|
#endif |
|
|
|
if (num_read < 0 && errno == EAGAIN) |
|
continue; |
|
if (num_read == 0) |
|
continue; |
|
break; |
|
} |
|
if (!rl_event_hook) |
|
el_set(el, EL_GETCFN, EL_BUILTIN_GETCFN); |
|
*wc = (wchar_t)ch; |
|
return (int)num_read; |
|
} |
|
|
|
static void |
|
_rl_update_pos(void) |
|
{ |
|
const LineInfo *li = el_line(e); |
|
|
|
rl_point = (int)(li->cursor - li->buffer); |
|
rl_end = (int)(li->lastchar - li->buffer); |
|
} |
|
|
|
void |
|
rl_get_screen_size(int *rows, int *cols) |
|
{ |
|
if (rows) |
|
el_get(e, EL_GETTC, "li", rows, (void *)0); |
|
if (cols) |
|
el_get(e, EL_GETTC, "co", cols, (void *)0); |
|
} |
|
|
|
void |
|
rl_set_screen_size(int rows, int cols) |
|
{ |
|
char buf[64]; |
|
(void)snprintf(buf, sizeof(buf), "%d", rows); |
|
el_set(e, EL_SETTC, "li", buf, NULL); |
|
(void)snprintf(buf, sizeof(buf), "%d", cols); |
|
el_set(e, EL_SETTC, "co", buf, NULL); |
|
} |
|
|
|
char ** |
|
rl_completion_matches(const char *str, rl_compentry_func_t *fun) |
|
{ |
|
size_t len, max, i, j, min; |
|
char **list, *match, *a, *b; |
|
|
|
len = 1; |
|
max = 10; |
|
if ((list = el_malloc(max * sizeof(*list))) == NULL) |
|
return NULL; |
|
|
|
while ((match = (*fun)(str, (int)(len - 1))) != NULL) { |
|
list[len++] = match; |
|
if (len == max) { |
|
char **nl; |
|
max += 10; |
|
if ((nl = el_realloc(list, max * sizeof(*nl))) == NULL) |
|
goto out; |
|
list = nl; |
|
} |
|
} |
|
if (len == 1) |
|
goto out; |
|
list[len] = NULL; |
|
if (len == 2) { |
|
if ((list[0] = strdup(list[1])) == NULL) |
|
goto out; |
|
return list; |
|
} |
|
qsort(&list[1], len - 1, sizeof(*list), |
|
(int (*)(const void *, const void *)) strcmp); |
|
min = SIZE_MAX; |
|
for (i = 1, a = list[i]; i < len - 1; i++, a = b) { |
|
b = list[i + 1]; |
|
for (j = 0; a[j] && a[j] == b[j]; j++) |
|
continue; |
|
if (min > j) |
|
min = j; |
|
} |
|
if (min == 0 && *str) { |
|
if ((list[0] = strdup(str)) == NULL) |
|
goto out; |
|
} else { |
|
if ((list[0] = el_malloc((min + 1) * sizeof(*list[0]))) == NULL) |
|
goto out; |
|
(void)memcpy(list[0], list[1], min); |
|
list[0][min] = '\0'; |
|
} |
|
return list; |
|
|
|
out: |
|
el_free(list); |
|
return NULL; |
|
} |
|
|
|
char * |
|
rl_filename_completion_function (const char *text, int state) |
|
{ |
|
return fn_filename_completion_function(text, state); |
|
} |
|
|
|
void |
|
rl_forced_update_display(void) |
|
{ |
|
el_set(e, EL_REFRESH); |
|
} |
|
|
|
int |
|
_rl_abort_internal(void) |
|
{ |
|
el_beep(e); |
|
longjmp(topbuf, 1); |
|
/*NOTREACHED*/ |
|
} |
|
|
|
int |
|
_rl_qsort_string_compare(char **s1, char **s2) |
|
{ |
|
return strcoll(*s1, *s2); |
|
} |
|
|
|
HISTORY_STATE * |
|
history_get_history_state(void) |
|
{ |
|
HISTORY_STATE *hs; |
|
|
|
if ((hs = el_malloc(sizeof(*hs))) == NULL) |
|
return NULL; |
|
hs->length = history_length; |
|
return hs; |
|
} |
|
|
|
int |
|
/*ARGSUSED*/ |
|
rl_kill_text(int from __attribute__((__unused__)), |
|
int to __attribute__((__unused__))) |
|
{ |
|
return 0; |
|
} |
|
|
|
Keymap |
|
rl_make_bare_keymap(void) |
|
{ |
|
return NULL; |
|
} |
|
|
|
Keymap |
|
rl_get_keymap(void) |
|
{ |
|
return NULL; |
|
} |
|
|
|
void |
|
/*ARGSUSED*/ |
|
rl_set_keymap(Keymap k __attribute__((__unused__))) |
|
{ |
|
} |
|
|
|
int |
|
/*ARGSUSED*/ |
|
rl_generic_bind(int type __attribute__((__unused__)), |
|
const char * keyseq __attribute__((__unused__)), |
|
const char * data __attribute__((__unused__)), |
|
Keymap k __attribute__((__unused__))) |
|
{ |
|
return 0; |
|
} |
|
|
|
int |
|
/*ARGSUSED*/ |
|
rl_bind_key_in_map(int key __attribute__((__unused__)), |
|
rl_command_func_t *fun __attribute__((__unused__)), |
|
Keymap k __attribute__((__unused__))) |
|
{ |
|
return 0; |
|
} |
|
|
|
/* unsupported, but needed by python */ |
|
void |
|
rl_cleanup_after_signal(void) |
|
{ |
|
} |
|
|
|
int |
|
rl_on_new_line(void) |
|
{ |
|
return 0; |
|
} |
|
|
|
void |
|
rl_free_line_state(void) |
|
{ |
|
} |
|
|
|
int |
|
/*ARGSUSED*/ |
|
rl_set_keyboard_input_timeout(int u __attribute__((__unused__))) |
|
{ |
|
return 0; |
|
} |