version 1.38, 2003/10/16 22:26:32 |
version 1.118, 2016/02/15 21:58:37 |
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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 |
Line 53 __RCSID("$NetBSD$"); |
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Line 46 __RCSID("$NetBSD$"); |
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#include <limits.h> |
#include <limits.h> |
#include <errno.h> |
#include <errno.h> |
#include <fcntl.h> |
#include <fcntl.h> |
#ifdef HAVE_VIS_H |
#include <setjmp.h> |
#include <vis.h> |
#include <vis.h> |
#else |
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#include "np/vis.h" |
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#endif |
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#ifdef HAVE_ALLOCA_H |
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#include <alloca.h> |
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#endif |
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#include "histedit.h" |
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#include "readline/readline.h" |
#include "readline/readline.h" |
#include "el.h" |
#include "el.h" |
#include "tokenizer.h" |
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#include "fcns.h" /* for EL_NUM_FCNS */ |
#include "fcns.h" /* for EL_NUM_FCNS */ |
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#include "histedit.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"; |
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int rl_readline_version = RL_READLINE_VERSION; |
static char empty[] = { '\0' }; |
static char empty[] = { '\0' }; |
static char expand_chars[] = { ' ', '\t', '\n', '=', '(', '\0' }; |
static char expand_chars[] = { ' ', '\t', '\n', '=', '(', '\0' }; |
static char break_chars[] = { ' ', '\t', '\n', '"', '\\', '\'', '`', '@', '$', |
static char break_chars[] = { ' ', '\t', '\n', '"', '\\', '\'', '`', '@', '$', |
Line 86 FILE *rl_outstream = NULL; |
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Line 78 FILE *rl_outstream = NULL; |
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int rl_point = 0; |
int rl_point = 0; |
int rl_end = 0; |
int rl_end = 0; |
char *rl_line_buffer = NULL; |
char *rl_line_buffer = NULL; |
VFunction *rl_linefunc = NULL; |
rl_vcpfunc_t *rl_linefunc = NULL; |
int rl_done = 0; |
int rl_done = 0; |
VFunction *rl_event_hook = NULL; |
VFunction *rl_event_hook = NULL; |
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KEYMAP_ENTRY_ARRAY emacs_standard_keymap, |
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emacs_meta_keymap, |
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emacs_ctlx_keymap; |
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/* |
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* The following is not implemented; we always catch signals in the |
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* libedit fashion: set handlers on entry to el_gets() and clear them |
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* on the way out. This simplistic approach works for most cases; if |
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* 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 */ |
int history_base = 1; /* probably never subject to change */ |
int history_length = 0; |
int history_length = 0; |
Line 97 char history_expansion_char = '!'; |
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Line 100 char history_expansion_char = '!'; |
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char history_subst_char = '^'; |
char history_subst_char = '^'; |
char *history_no_expand_chars = expand_chars; |
char *history_no_expand_chars = expand_chars; |
Function *history_inhibit_expansion_function = NULL; |
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; |
int rl_inhibit_completion = 0; |
int rl_attempted_completion_over = 0; |
int rl_attempted_completion_over = 0; |
char *rl_basic_word_break_characters = break_chars; |
char *rl_basic_word_break_characters = break_chars; |
char *rl_completer_word_break_characters = NULL; |
char *rl_completer_word_break_characters = NULL; |
char *rl_completer_quote_characters = NULL; |
char *rl_completer_quote_characters = NULL; |
Function *rl_completion_entry_function = NULL; |
rl_compentry_func_t *rl_completion_entry_function = NULL; |
CPPFunction *rl_attempted_completion_function = NULL; |
char *(*rl_completion_word_break_hook)(void) = NULL; |
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rl_completion_func_t *rl_attempted_completion_function = NULL; |
Function *rl_pre_input_hook = NULL; |
Function *rl_pre_input_hook = NULL; |
Function *rl_startup1_hook = NULL; |
Function *rl_startup1_hook = NULL; |
Function *rl_getc_function = NULL; |
int (*rl_getc_function)(FILE *) = NULL; |
char *rl_terminal_name = NULL; |
char *rl_terminal_name = NULL; |
int rl_already_prompted = 0; |
int rl_already_prompted = 0; |
int rl_filename_completion_desired = 0; |
int rl_filename_completion_desired = 0; |
int rl_ignore_completion_duplicates = 0; |
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; |
VFunction *rl_redisplay_function = NULL; |
VFunction *rl_redisplay_function = NULL; |
Function *rl_startup_hook = NULL; |
Function *rl_startup_hook = NULL; |
VFunction *rl_completion_display_matches_hook = NULL; |
VFunction *rl_completion_display_matches_hook = NULL; |
VFunction *rl_prep_term_function = NULL; |
VFunction *rl_prep_term_function = (VFunction *)rl_prep_terminal; |
VFunction *rl_deprep_term_function = NULL; |
VFunction *rl_deprep_term_function = (VFunction *)rl_deprep_terminal; |
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KEYMAP_ENTRY_ARRAY emacs_meta_keymap; |
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/* |
/* |
* The current prompt string. |
* The current prompt string. |
Line 140 int rl_completion_query_items = 100; |
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Line 148 int rl_completion_query_items = 100; |
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* in the parsed text when it is passed to the completion function. |
* in the parsed text when it is passed to the completion function. |
* Shell uses this to help determine what kind of completing to do. |
* Shell uses this to help determine what kind of completing to do. |
*/ |
*/ |
char *rl_special_prefixes = (char *)NULL; |
char *rl_special_prefixes = NULL; |
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/* |
/* |
* This is the character appended to the completed words if at the end of |
* This is the character appended to the completed words if at the end of |
Line 150 int rl_completion_append_character = ' ' |
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Line 158 int rl_completion_append_character = ' ' |
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/* stuff below is used internally by libedit for readline emulation */ |
/* stuff below is used internally by libedit for readline emulation */ |
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/* if not zero, non-unique completions always show list of possible matches */ |
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static int _rl_complete_show_all = 0; |
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static History *h = NULL; |
static History *h = NULL; |
static EditLine *e = NULL; |
static EditLine *e = NULL; |
static Function *map[256]; |
static rl_command_func_t *map[256]; |
static int el_rl_complete_cmdnum = 0; |
static jmp_buf topbuf; |
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/* internal functions */ |
/* internal functions */ |
static unsigned char _el_rl_complete(EditLine *, int); |
static unsigned char _el_rl_complete(EditLine *, int); |
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static unsigned char _el_rl_tstp(EditLine *, int); |
static char *_get_prompt(EditLine *); |
static char *_get_prompt(EditLine *); |
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static int _getc_function(EditLine *, char *); |
static HIST_ENTRY *_move_history(int); |
static HIST_ENTRY *_move_history(int); |
static int _history_search_gen(const char *, int, int); |
static int _history_expand_command(const char *, size_t, size_t, |
static int _history_expand_command(const char *, size_t, char **); |
char **); |
static char *_rl_compat_sub(const char *, const char *, |
static char *_rl_compat_sub(const char *, const char *, |
const char *, int); |
const char *, int); |
static int rl_complete_internal(int); |
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static int _rl_qsort_string_compare(const void *, const void *); |
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static int _rl_event_read_char(EditLine *, char *); |
static int _rl_event_read_char(EditLine *, char *); |
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static void _rl_update_pos(void); |
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/* ARGSUSED */ |
/* ARGSUSED */ |
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_get_prompt(EditLine *el __attribute__((__unused__))) |
_get_prompt(EditLine *el __attribute__((__unused__))) |
{ |
{ |
rl_already_prompted = 1; |
rl_already_prompted = 1; |
return (rl_prompt); |
return rl_prompt; |
} |
} |
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Line 190 _move_history(int op) |
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Line 196 _move_history(int op) |
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static HIST_ENTRY rl_he; |
static HIST_ENTRY rl_he; |
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if (history(h, &ev, op) != 0) |
if (history(h, &ev, op) != 0) |
return (HIST_ENTRY *) NULL; |
return NULL; |
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rl_he.line = ev.str; |
rl_he.line = ev.str; |
rl_he.data = ""; |
rl_he.data = NULL; |
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return &rl_he; |
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} |
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/* |
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* read one key from user defined input function |
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*/ |
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static int |
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/*ARGSUSED*/ |
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_getc_function(EditLine *el __attribute__((__unused__)), char *c) |
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{ |
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int i; |
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i = (*rl_getc_function)(NULL); |
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if (i == -1) |
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return 0; |
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*c = (char)i; |
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return 1; |
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} |
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static void |
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_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(void) |
rl_initialize(void) |
{ |
{ |
HistEvent ev; |
HistEvent ev; |
const LineInfo *li; |
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int i; |
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int editmode = 1; |
int editmode = 1; |
struct termios t; |
struct termios t; |
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Line 238 rl_initialize(void) |
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Line 314 rl_initialize(void) |
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h = history_init(); |
h = history_init(); |
if (!e || !h) |
if (!e || !h) |
return (-1); |
return -1; |
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history(h, &ev, H_SETSIZE, INT_MAX); /* unlimited */ |
history(h, &ev, H_SETSIZE, INT_MAX); /* unlimited */ |
history_length = 0; |
history_length = 0; |
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() */ |
rl_prompt = strdup(""); |
if (rl_set_prompt("") == -1) { |
if (rl_prompt == NULL) { |
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history_end(h); |
history_end(h); |
el_end(e); |
el_end(e); |
return -1; |
return -1; |
} |
} |
el_set(e, EL_PROMPT, _get_prompt); |
el_set(e, EL_PROMPT, _get_prompt, RL_PROMPT_START_IGNORE); |
el_set(e, EL_SIGNAL, 1); |
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"); |
if (rl_terminal_name != NULL) |
if (rl_terminal_name != NULL) |
el_set(e, EL_TERMINAL, rl_terminal_name); |
el_set(e, EL_TERMINAL, rl_terminal_name); |
Line 271 rl_initialize(void) |
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Line 353 rl_initialize(void) |
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"ReadLine compatible completion 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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/* |
/* |
* Find out where the rl_complete function was added; this is |
* Send TSTP when ^Z is pressed. |
* used later to detect that lastcmd was also rl_complete. |
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*/ |
*/ |
for(i=EL_NUM_FCNS; i < e->el_map.nfunc; i++) { |
el_set(e, EL_ADDFN, "rl_tstp", |
if (e->el_map.func[i] == _el_rl_complete) { |
"ReadLine compatible suspend function", |
el_rl_complete_cmdnum = i; |
_el_rl_tstp); |
break; |
el_set(e, EL_BIND, "^Z", "rl_tstp", NULL); |
} |
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} |
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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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Line 289 rl_initialize(void) |
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Line 400 rl_initialize(void) |
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* Unfortunately, some applications really do use rl_point |
* Unfortunately, some applications really do use rl_point |
* and rl_line_buffer directly. |
* and rl_line_buffer directly. |
*/ |
*/ |
li = el_line(e); |
_resize_fun(e, &rl_line_buffer); |
/* a cheesy way to get rid of const cast. */ |
_rl_update_pos(); |
rl_line_buffer = memchr(li->buffer, *li->buffer, 1); |
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rl_point = rl_end = 0; |
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if (rl_startup_hook) |
if (rl_startup_hook) |
(*rl_startup_hook)(NULL, 0); |
(*rl_startup_hook)(NULL, 0); |
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return (0); |
return 0; |
} |
} |
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Line 306 rl_initialize(void) |
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Line 415 rl_initialize(void) |
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* 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; |
char *buf; |
char *buf; |
Line 319 readline(const char *prompt) |
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Line 429 readline(const char *prompt) |
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rl_done = 0; |
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) |
if (rl_set_prompt(prompt) == -1) |
prompt = ""; |
return NULL; |
if (strcmp(rl_prompt, prompt) != 0) { |
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free(rl_prompt); |
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rl_prompt = strdup(prompt); |
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if (rl_prompt == NULL) |
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return NULL; |
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} |
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if (rl_pre_input_hook) |
if (rl_pre_input_hook) |
(*rl_pre_input_hook)(NULL, 0); |
(*rl_pre_input_hook)(NULL, 0); |
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_rl_compat_sub(const char *str, const char *what, const char *with, |
_rl_compat_sub(const char *str, const char *what, const char *with, |
int globally) |
int globally) |
{ |
{ |
char *result; |
const char *s; |
const char *temp, *new; |
char *r, *result; |
size_t len, with_len, what_len, add; |
size_t len, with_len, what_len; |
size_t size, i; |
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result = malloc((size = 16)); |
len = strlen(str); |
if (result == NULL) |
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return NULL; |
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temp = str; |
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with_len = strlen(with); |
with_len = strlen(with); |
what_len = strlen(what); |
what_len = strlen(what); |
len = 0; |
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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) |
char *nresult; |
break; |
size += add + 1; |
s += what_len; |
nresult = realloc(result, size); |
} else |
if (nresult == NULL) { |
s++; |
free(result); |
} |
return NULL; |
r = result = el_malloc((len + 1) * sizeof(*r)); |
} |
if (result == NULL) |
result = nresult; |
return NULL; |
} |
s = str; |
(void) strncpy(&result[len], temp, i); |
while (*s) { |
len += i; |
if (*s == *what && !strncmp(s, what, what_len)) { |
(void) strcpy(&result[len], with); /* safe */ |
(void)strncpy(r, with, with_len); |
len += with_len; |
r += with_len; |
temp = new + what_len; |
s += what_len; |
} else { |
if (!globally) { |
add = strlen(temp); |
(void)strcpy(r, s); |
if (len + add + 1 >= size) { |
return result; |
char *nresult; |
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size += add + 1; |
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nresult = realloc(result, size); |
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if (nresult == NULL) { |
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free(result); |
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return NULL; |
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} |
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result = nresult; |
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} |
} |
(void) strcpy(&result[len], temp); /* safe */ |
} else |
len += add; |
*r++ = *s++; |
temp = NULL; |
} |
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*r = '\0'; |
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return result; |
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} |
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static char *last_search_pat; /* last !?pat[?] search pattern */ |
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static char *last_search_match; /* last !?pat[?] that matched */ |
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const char * |
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get_history_event(const char *cmd, int *cindex, int qchar) |
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{ |
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int idx, sign, sub, num, begin, ret; |
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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 *rl_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 (!(rl_he = history_get(num))) |
} |
return NULL; |
|
|
|
*cindex = idx; |
|
return rl_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(const char *command, size_t cmdlen, char **result) |
_history_expand_command(const char *command, size_t offs, size_t cmdlen, |
|
char **result) |
{ |
{ |
char **arr, *tempcmd, *line, *search = NULL, *cmd; |
char *tmp, *search = NULL, *aptr; |
const char *event_data = NULL; |
const char *ptr, *cmd; |
static char *from = NULL, *to = NULL; |
static char *from = NULL, *to = NULL; |
int start = -1, end = -1, max, i, idx; |
int start, end, idx, has_mods = 0; |
int h_on = 0, t_on = 0, r_on = 0, e_on = 0, p_on = 0, g_on = 0; |
int 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; |
|
if (cmd[idx] == '?') { |
|
idx++, len--; |
|
if (cmd[off - 1] == '?') |
|
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) |
|
return (-1); |
|
curr_num = ev.num; |
|
|
|
if (prefix) |
|
retval = history_search_prefix(search, -1); |
|
else |
|
retval = history_search(search, -1); |
|
|
|
if (retval == -1) { |
|
fprintf(rl_outstream, "%s: Event not found\n", |
|
search); |
|
return (-1); |
|
} |
|
if (history(h, &ev, H_CURR) != 0) |
|
return (-1); |
|
event_data = ev.str; |
|
|
|
/* roll back to original position */ |
qchar = (offs > 0 && command[offs - 1] == '"')? '"':0; |
history(h, &ev, H_NEXT_EVENT, curr_num); |
ptr = get_history_event(command + offs, &idx, qchar); |
} |
} |
idx = off; |
has_mods = command[offs + (size_t)idx] == ':'; |
} |
} |
|
|
if (!event_data && event_num >= 0) { |
if (ptr == NULL && aptr == NULL) |
HIST_ENTRY *rl_he; |
return -1; |
rl_he = history_get(event_num); |
|
if (!rl_he) |
if (!has_mods) { |
return (0); |
*result = strdup(aptr ? aptr : ptr); |
event_data = rl_he->line; |
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] == '$') { |
|
cmd += 2; |
|
end = -1; |
|
} else { |
|
cmd++; |
|
end = -2; |
|
} |
|
} else if (*cmd == '*') |
|
end = -1, cmd++; |
|
else |
|
end = start; |
|
} |
|
tmp = history_arg_extract(start, end, aptr? aptr:ptr); |
|
if (tmp == NULL) { |
|
(void)fprintf(rl_outstream, "%s: Bad word specifier", |
|
command + offs + idx); |
|
if (aptr) |
|
el_free(aptr); |
|
return -1; |
|
} |
} else |
} else |
return (-1); |
tmp = strdup(aptr? aptr:ptr); |
|
|
if (cmd[idx] != ':') |
if (aptr) |
return (-1); |
el_free(aptr); |
cmd += idx + 1; |
|
|
if (*cmd == '\0' || ((size_t)(cmd - (command + offs)) >= cmdlen)) { |
/* recognize cmd */ |
*result = tmp; |
if (*cmd == '^') |
return 1; |
start = end = 1, cmd++; |
|
else if (*cmd == '$') |
|
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); |
|
if (line == NULL) |
|
return 0; |
|
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 == '&') { |
Line 602 _history_expand_command(const char *comm |
|
Line 817 _history_expand_command(const char *comm |
|
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) { |
if (what == NULL) { |
free(from); |
el_free(from); |
|
el_free(tmp); |
return 0; |
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) { |
char *nwhat; |
char *nwhat; |
nwhat = realloc(what, |
nwhat = el_realloc(what, |
(size <<= 1)); |
(size <<= 1) * |
|
sizeof(*nwhat)); |
if (nwhat == NULL) { |
if (nwhat == NULL) { |
free(what); |
el_free(what); |
|
el_free(tmp); |
return 0; |
return 0; |
} |
} |
what = nwhat; |
what = nwhat; |
Line 627 _history_expand_command(const char *comm |
|
Line 844 _history_expand_command(const char *comm |
|
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); |
if (from == NULL) |
if (from == NULL) { |
|
el_free(tmp); |
return 0; |
return 0; |
|
} |
} else { |
} else { |
from = NULL; |
from = NULL; |
return (-1); |
el_free(tmp); |
|
return -1; |
} |
} |
} |
} |
cmd++; /* shift after delim */ |
cmd++; /* shift after delim */ |
Line 642 _history_expand_command(const char *comm |
|
Line 862 _history_expand_command(const char *comm |
|
continue; |
continue; |
|
|
size = 16; |
size = 16; |
with = realloc(to, size); |
with = el_realloc(to, size * sizeof(*with)); |
if (with == NULL) { |
if (with == NULL) { |
free(to); |
el_free(to); |
|
el_free(tmp); |
return -1; |
return -1; |
} |
} |
len = 0; |
len = 0; |
Line 653 _history_expand_command(const char *comm |
|
Line 874 _history_expand_command(const char *comm |
|
if (len + from_len + 1 >= size) { |
if (len + from_len + 1 >= size) { |
char *nwith; |
char *nwith; |
size += from_len + 1; |
size += from_len + 1; |
nwith = realloc(with, size); |
nwith = el_realloc(with, |
|
size * sizeof(*nwith)); |
if (nwith == NULL) { |
if (nwith == NULL) { |
free(with); |
el_free(with); |
|
el_free(tmp); |
return -1; |
return -1; |
} |
} |
with = nwith; |
with = nwith; |
} |
} |
if (*cmd == '&') { |
if (*cmd == '&') { |
/* safe */ |
/* safe */ |
(void) strcpy(&with[len], from); |
(void)strcpy(&with[len], from); |
len += from_len; |
len += from_len; |
continue; |
continue; |
} |
} |
Line 674 _history_expand_command(const char *comm |
|
Line 897 _history_expand_command(const char *comm |
|
} |
} |
with[len] = '\0'; |
with[len] = '\0'; |
to = with; |
to = with; |
|
|
tempcmd = _rl_compat_sub(line, from, to, |
|
(g_on) ? 1 : 0); |
|
if (tempcmd) { |
|
free(line); |
|
line = tempcmd; |
|
} |
|
g_on = 0; |
|
} |
} |
} |
|
} |
|
|
|
arr = history_tokenize(line); |
|
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; |
|
if ((tempcmd = malloc(cmdsize)) == NULL) |
|
return 0; |
|
for (i = start; start <= i && i <= end; i++) { |
|
int arr_len; |
|
|
|
arr_len = strlen(arr[i]); |
aptr = _rl_compat_sub(tmp, from, to, g_on); |
if (cmdlen + arr_len + 1 >= cmdsize) { |
if (aptr) { |
char *ntempcmd; |
el_free(tmp); |
cmdsize += arr_len + 1; |
tmp = aptr; |
ntempcmd = realloc(tempcmd, cmdsize); |
|
if (ntempcmd == NULL) { |
|
free(tempcmd); |
|
return 0; |
|
} |
} |
tempcmd = ntempcmd; |
g_on = 0; |
} |
} |
(void) strcpy(&tempcmd[cmdlen], arr[i]); /* safe */ |
} |
cmdlen += arr_len; |
*result = tmp; |
tempcmd[cmdlen++] = ' '; /* add a space */ |
return p_on? 2:1; |
} |
|
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; |
|
} |
} |
|
|
|
|
Line 765 _history_expand_command(const char *comm |
|
Line 918 _history_expand_command(const char *comm |
|
int |
int |
history_expand(char *str, char **output) |
history_expand(char *str, char **output) |
{ |
{ |
int i, retval = 0, idx; |
int ret = 0; |
size_t size; |
size_t idx, i, size; |
char *temp, *result; |
char *tmp, *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) { |
if (*output == NULL) |
*output = strdup(str); |
return 0; |
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) { \ |
char *nresult = realloc(result, (size += len + 1));\ |
char *nresult = el_realloc(result, \ |
|
(size += len + 1) * sizeof(*nresult)); \ |
if (nresult == NULL) { \ |
if (nresult == NULL) { \ |
free(*output); \ |
el_free(*output); \ |
|
if (/*CONSTCOND*/fr) \ |
|
el_free(tmp); \ |
return 0; \ |
return 0; \ |
} \ |
} \ |
result = nresult; \ |
result = nresult; \ |
Line 802 history_expand(char *str, char **output) |
|
Line 967 history_expand(char *str, char **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(const char *str) |
history_tokenize(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+1] != '\0') |
if (str[i+1] != '\0') |
i++; |
i++; |
Line 905 history_tokenize(const char *str) |
|
Line 1128 history_tokenize(const char *str) |
|
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; |
char **nresult; |
size <<= 1; |
size <<= 1; |
nresult = realloc(result, size * sizeof(char *)); |
nresult = el_realloc(result, (size_t)size * sizeof(*nresult)); |
if (nresult == NULL) { |
if (nresult == NULL) { |
free(result); |
el_free(result); |
return NULL; |
return NULL; |
} |
} |
result = nresult; |
result = nresult; |
} |
} |
len = i - start; |
len = (size_t)i - (size_t)start; |
temp = malloc(len + 1); |
temp = el_malloc((size_t)(len + 1) * sizeof(*temp)); |
if (temp == NULL) { |
if (temp == NULL) { |
free(result); |
for (i = 0; i < idx; i++) |
|
el_free(result[i]); |
|
el_free(result); |
return NULL; |
return NULL; |
} |
} |
(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); |
|
} |
} |
|
|
|
|
Line 961 unstifle_history(void) |
|
Line 1189 unstifle_history(void) |
|
history(h, &ev, H_SETSIZE, INT_MAX); |
history(h, &ev, H_SETSIZE, INT_MAX); |
omax = max_input_history; |
omax = max_input_history; |
max_input_history = INT_MAX; |
max_input_history = INT_MAX; |
return (omax); /* some value _must_ be returned */ |
return omax; /* some value _must_ be returned */ |
} |
} |
|
|
|
|
Line 970 history_is_stifled(void) |
|
Line 1198 history_is_stifled(void) |
|
{ |
{ |
|
|
/* cannot return true answer */ |
/* cannot return true answer */ |
return (max_input_history != INT_MAX); |
return max_input_history != INT_MAX; |
} |
|
|
|
|
|
/* |
|
* read history from a file given |
|
*/ |
|
int |
|
read_history(const char *filename) |
|
{ |
|
HistEvent ev; |
|
|
|
if (h == NULL || e == NULL) |
|
rl_initialize(); |
|
return (history(h, &ev, H_LOAD, filename)); |
|
} |
} |
|
|
|
static const char _history_tmp_template[] = "/tmp/.historyXXXXXX"; |
|
|
/* |
|
* write history to a file given |
|
*/ |
|
int |
int |
write_history(const char *filename) |
history_truncate_file (const char *filename, int nlines) |
{ |
{ |
HistEvent ev; |
int ret = 0; |
|
FILE *fp, *tp; |
if (h == NULL || e == NULL) |
char template[sizeof(_history_tmp_template)]; |
rl_initialize(); |
char buf[4096]; |
return (history(h, &ev, H_SAVE, filename)); |
int fd; |
} |
char *cp; |
|
off_t off; |
|
int count = 0; |
|
ssize_t left = 0; |
|
|
/* |
if (filename == NULL && (filename = _default_history_file()) == NULL) |
* returns history ``num''th event |
return errno; |
* |
if ((fp = fopen(filename, "r+")) == NULL) |
* returned pointer points to static variable |
return errno; |
*/ |
strcpy(template, _history_tmp_template); |
HIST_ENTRY * |
if ((fd = mkstemp(template)) == -1) { |
history_get(int num) |
ret = errno; |
{ |
goto out1; |
static HIST_ENTRY she; |
} |
HistEvent ev; |
|
int i = 1, curr_num; |
|
|
|
if (h == NULL || e == NULL) |
if ((tp = fdopen(fd, "r+")) == NULL) { |
rl_initialize(); |
close(fd); |
|
ret = errno; |
|
goto out2; |
|
} |
|
|
/* rewind to beginning */ |
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 (ret || nlines > 0) |
|
goto out3; |
|
|
|
if (fseeko(fp, (off_t)0, SEEK_SET) == (off_t)-1) { |
|
ret = errno; |
|
goto out3; |
|
} |
|
|
|
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; |
|
|
|
if (h == NULL || e == NULL) |
|
rl_initialize(); |
|
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 |
|
* |
|
* returned pointer points to static variable |
|
*/ |
|
HIST_ENTRY * |
|
history_get(int num) |
|
{ |
|
static HIST_ENTRY she; |
|
HistEvent ev; |
|
int curr_num; |
|
|
|
if (h == NULL || e == NULL) |
|
rl_initialize(); |
|
|
|
/* 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; |
|
|
|
/* start from the oldest */ |
if (history(h, &ev, H_LAST) != 0) |
if (history(h, &ev, H_LAST) != 0) |
return (NULL); /* error */ |
return NULL; /* error */ |
while (i < num && history(h, &ev, H_PREV) == 0) |
|
i++; |
/* look forwards for event matching specified offset */ |
if (i != num) |
if (history(h, &ev, H_NEXT_EVDATA, num, &she.data)) |
return (NULL); /* not so many entries */ |
return NULL; |
|
|
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; |
} |
} |
|
|
|
|
Line 1047 add_history(const char *line) |
|
Line 1418 add_history(const char *line) |
|
{ |
{ |
HistEvent ev; |
HistEvent ev; |
|
|
|
if (line == NULL) |
|
return 0; |
|
|
|
if (h == NULL || e == NULL) |
|
rl_initialize(); |
|
|
|
(void)history(h, &ev, H_ENTER, line); |
|
if (history(h, &ev, H_GETSIZE) == 0) |
|
history_length = ev.num; |
|
|
|
return !(history_length > 0); /* return 0 if all is okay */ |
|
} |
|
|
|
|
|
/* |
|
* 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) |
if (h == NULL || e == NULL) |
rl_initialize(); |
rl_initialize(); |
|
|
(void) history(h, &ev, H_ENTER, line); |
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 |
Line 1066 clear_history(void) |
|
Line 1514 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_length = 0; |
} |
} |
|
|
|
|
Line 1080 where_history(void) |
|
Line 1532 where_history(void) |
|
int curr_num, off; |
int curr_num, off; |
|
|
if (history(h, &ev, H_CURR) != 0) |
if (history(h, &ev, H_CURR) != 0) |
return (0); |
return 0; |
curr_num = ev.num; |
curr_num = ev.num; |
|
|
history(h, &ev, H_FIRST); |
(void)history(h, &ev, H_FIRST); |
off = 1; |
off = 1; |
while (ev.num != curr_num && history(h, &ev, H_NEXT) == 0) |
while (ev.num != curr_num && history(h, &ev, H_NEXT) == 0) |
off++; |
off++; |
|
|
return (off); |
return off; |
} |
} |
|
|
|
|
|
|
current_history(void) |
current_history(void) |
{ |
{ |
|
|
return (_move_history(H_CURR)); |
return _move_history(H_CURR); |
} |
} |
|
|
|
|
|
|
history_total_bytes(void) |
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; |
} |
} |
|
|
|
|
|
|
history_set_pos(int pos) |
history_set_pos(int pos) |
{ |
{ |
HistEvent ev; |
HistEvent ev; |
int off, curr_num; |
int curr_num; |
|
|
if (pos > history_length || pos < 0) |
if (pos >= history_length || pos < 0) |
return (-1); |
return -1; |
|
|
history(h, &ev, H_CURR); |
(void)history(h, &ev, H_CURR); |
curr_num = ev.num; |
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(h, &ev, H_FIRST); |
* use H_DELDATA to set to nth history (without delete) by passing |
history(h, &ev, H_NEXT_EVENT, curr_num); |
* (void **)-1 |
return (-1); |
*/ |
|
if (history(h, &ev, H_DELDATA, pos, (void **)-1)) { |
|
(void)history(h, &ev, H_SET, curr_num); |
|
return -1; |
} |
} |
return (0); |
return 0; |
} |
} |
|
|
|
|
|
|
previous_history(void) |
previous_history(void) |
{ |
{ |
|
|
return (_move_history(H_PREV)); |
return _move_history(H_PREV); |
} |
} |
|
|
|
|
|
|
next_history(void) |
next_history(void) |
{ |
{ |
|
|
return (_move_history(H_NEXT)); |
return _move_history(H_NEXT); |
} |
} |
|
|
|
|
/* |
/* |
* generic history search function |
* searches for first history event containing the str |
*/ |
*/ |
static int |
int |
_history_search_gen(const char *str, int direction, int pos) |
history_search(const char *str, int direction) |
{ |
{ |
HistEvent ev; |
HistEvent ev; |
const char *strp; |
const char *strp; |
int curr_num; |
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(const char *str, int direction) |
|
{ |
|
|
|
return (_history_search_gen(str, direction, -1)); |
|
} |
} |
|
|
|
|
Line 1224 history_search(const char *str, int dire |
|
Line 1662 history_search(const char *str, int dire |
|
int |
int |
history_search_prefix(const char *str, int direction) |
history_search_prefix(const char *str, int direction) |
{ |
{ |
|
HistEvent ev; |
|
|
return (_history_search_gen(str, direction, 0)); |
return (history(h, &ev, direction < 0 ? |
|
H_PREV_STR : H_NEXT_STR, str)); |
} |
} |
|
|
|
|
Line 1235 history_search_prefix(const char *str, i |
|
Line 1675 history_search_prefix(const char *str, i |
|
*/ |
*/ |
/* ARGSUSED */ |
/* ARGSUSED */ |
int |
int |
history_search_pos(const char *str, |
history_search_pos(const char *str, |
int direction __attribute__((__unused__)), int pos) |
int direction __attribute__((__unused__)), int pos) |
{ |
{ |
HistEvent ev; |
HistEvent ev; |
Line 1245 history_search_pos(const char *str, |
|
Line 1685 history_search_pos(const char *str, |
|
pos = (pos > 0) ? 1 : -1; |
pos = (pos > 0) ? 1 : -1; |
|
|
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; |
|
|
if (history_set_pos(off) != 0 || history(h, &ev, H_CURR) != 0) |
if (history_set_pos(off) != 0 || 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; |
if (history(h, &ev, (pos < 0) ? H_PREV : H_NEXT) != 0) |
if (history(h, &ev, (pos < 0) ? H_PREV : H_NEXT) != 0) |
break; |
break; |
} |
} |
|
|
/* 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; |
} |
} |
|
|
|
|
/********************************/ |
/********************************/ |
/* completion 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(char *txt) |
tilde_expand(char *name) |
{ |
{ |
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); |
|
if (temp == NULL) |
|
return NULL; |
|
} else { |
|
len = temp - txt + 1; /* text until string after slash */ |
|
temp = malloc(len); |
|
if (temp == NULL) |
|
return NULL; |
|
(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); |
|
if (temp == NULL) |
|
return NULL; |
|
(void) sprintf(temp, "%s/%s", pass->pw_dir, txt); |
|
|
|
return (temp); |
|
} |
} |
|
|
|
|
/* |
|
* return first found file name starting by the ``text'' or NULL if no |
|
* such file can be found |
|
* value of ``state'' is ignored |
|
* |
|
* it's caller's responsibility to free returned string |
|
*/ |
|
char * |
char * |
filename_completion_function(const char *text, int state) |
filename_completion_function(const char *name, int state) |
{ |
{ |
static DIR *dir = NULL; |
return fn_filename_completion_function(name, state); |
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) { |
|
temp = strrchr(text, '/'); |
|
if (temp) { |
|
char *nptr; |
|
temp++; |
|
nptr = realloc(filename, strlen(temp) + 1); |
|
if (nptr == NULL) { |
|
free(filename); |
|
return NULL; |
|
} |
|
filename = nptr; |
|
(void) strcpy(filename, temp); |
|
len = temp - text; /* including last slash */ |
|
nptr = realloc(dirname, len + 1); |
|
if (nptr == NULL) { |
|
free(filename); |
|
return NULL; |
|
} |
|
dirname = nptr; |
|
(void) strncpy(dirname, text, len); |
|
dirname[len] = '\0'; |
|
} else { |
|
filename = strdup(text); |
|
if (filename == NULL) |
|
return NULL; |
|
dirname = NULL; |
|
} |
|
|
|
/* support for ``~user'' syntax */ |
|
if (dirname && *dirname == '~') { |
|
char *nptr; |
|
temp = tilde_expand(dirname); |
|
if (temp == NULL) |
|
return NULL; |
|
nptr = realloc(dirname, strlen(temp) + 1); |
|
if (nptr == NULL) { |
|
free(dirname); |
|
return NULL; |
|
} |
|
dirname = nptr; |
|
(void) strcpy(dirname, temp); /* safe */ |
|
free(temp); /* no longer needed */ |
|
} |
|
/* will be used in cycle */ |
|
filename_len = strlen(filename); |
|
if (filename_len == 0) |
|
return (NULL); /* no expansion possible */ |
|
|
|
if (dir != NULL) { |
|
(void)closedir(dir); |
|
dir = NULL; |
|
} |
|
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); |
|
if (temp == NULL) |
|
return NULL; |
|
(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 { |
|
(void)closedir(dir); |
|
dir = NULL; |
|
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(const char *text, int state) |
username_completion_function(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; |
|
|
if (*text == '~') |
if (*text == '~') |
text++; |
text++; |
Line 1454 username_completion_function(const char |
|
Line 1746 username_completion_function(const char |
|
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(EditLine *el __attribute__((__unused__)), int ch) |
_el_rl_tstp(EditLine *el __attribute__((__unused__)), int ch __attribute__((__unused__))) |
{ |
|
return (unsigned char) rl_complete(0, ch); |
|
} |
|
|
|
|
|
/* |
|
* returns list of completions for text given |
|
*/ |
|
char ** |
|
completion_matches(const char *text, CPFunction *genfunc) |
|
{ |
{ |
char **match_list = NULL, *retstr, *prevstr; |
(void)kill(0, SIGTSTP); |
size_t match_list_len, max_equal, which, i; |
return CC_NORM; |
size_t matches; |
|
|
|
if (h == NULL || e == NULL) |
|
rl_initialize(); |
|
|
|
matches = 0; |
|
match_list_len = 1; |
|
while ((retstr = (*genfunc) (text, (int)matches)) != NULL) { |
|
/* allow for list terminator here */ |
|
if (matches + 3 >= match_list_len) { |
|
char **nmatch_list; |
|
while (matches + 3 >= match_list_len) |
|
match_list_len <<= 1; |
|
nmatch_list = realloc(match_list, |
|
match_list_len * sizeof(char *)); |
|
if (nmatch_list == NULL) { |
|
free(match_list); |
|
return NULL; |
|
} |
|
match_list = nmatch_list; |
|
|
|
} |
|
match_list[++matches] = retstr; |
|
} |
|
|
|
if (!match_list) |
|
return 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); |
|
if (retstr == NULL) { |
|
free(match_list); |
|
return NULL; |
|
} |
|
(void) strncpy(retstr, match_list[1], max_equal); |
|
retstr[max_equal] = '\0'; |
|
match_list[0] = retstr; |
|
|
|
/* add NULL as last pointer to the array */ |
|
match_list[matches + 1] = (char *) NULL; |
|
|
|
return (match_list); |
|
} |
|
|
|
/* |
|
* Sort function for qsort(). Just wrapper around strcasecmp(). |
|
*/ |
|
static int |
|
_rl_qsort_string_compare(i1, i2) |
|
const void *i1, *i2; |
|
{ |
|
const char *s1 = ((const char * const *)i1)[0]; |
|
const char *s2 = ((const char * const *)i2)[0]; |
|
|
|
return strcasecmp(s1, s2); |
|
} |
} |
|
|
/* |
/* |
Line 1557 _rl_qsort_string_compare(i1, i2) |
|
Line 1781 _rl_qsort_string_compare(i1, i2) |
|
* 'max' is maximum length of string in 'matches'. |
* 'max' is maximum length of string in 'matches'. |
*/ |
*/ |
void |
void |
rl_display_match_list (matches, len, max) |
rl_display_match_list(char **matches, int len, int max) |
char **matches; |
|
int len, max; |
|
{ |
{ |
int i, idx, limit, count; |
|
int screenwidth = e->el_term.t_size.h; |
|
|
|
/* |
fn_display_match_list(e, matches, (size_t)len, (size_t)max); |
* Find out how many entries can be put on one line, count |
} |
* with two spaces between strings. |
|
*/ |
|
limit = screenwidth / (max + 2); |
|
if (limit == 0) |
|
limit = 1; |
|
|
|
/* how many lines of output */ |
|
count = len / limit; |
|
if (count * limit < len) |
|
count++; |
|
|
|
/* Sort the items if they are not already sorted. */ |
static const char * |
qsort(&matches[1], (size_t)(len - 1), sizeof(char *), |
/*ARGSUSED*/ |
_rl_qsort_string_compare); |
_rl_completion_append_character_function(const char *dummy |
|
__attribute__((__unused__))) |
idx = 1; |
{ |
for(; count > 0; count--) { |
static char buf[2]; |
for(i=0; i < limit && matches[idx]; i++, idx++) |
buf[0] = (char)rl_completion_append_character; |
fprintf(e->el_outfile, "%-*s ", max, matches[idx]); |
buf[1] = '\0'; |
fprintf(e->el_outfile, "\n"); |
return buf; |
} |
|
} |
} |
|
|
|
|
/* |
/* |
* Complete the word at or before point, called by rl_complete() |
* complete word at current point |
* 'what_to_do' says what to do with the completion. |
|
* `?' means list the possible completions. |
|
* TAB means do standard completion. |
|
* `*' means insert all of the possible completions. |
|
* `!' means to do standard completion, and list all possible completions if |
|
* there is more than one. |
|
* |
|
* Note: '*' support is not implemented |
|
*/ |
*/ |
static int |
/* ARGSUSED */ |
rl_complete_internal(int what_to_do) |
int |
|
rl_complete(int ignore __attribute__((__unused__)), int invoking_key) |
{ |
{ |
Function *complet_func; |
#ifdef WIDECHAR |
const LineInfo *li; |
static ct_buffer_t wbreak_conv, sprefix_conv; |
char *temp, **matches; |
#endif |
const char *ctemp; |
char *breakchars; |
size_t len; |
|
|
|
rl_completion_type = what_to_do; |
|
|
|
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 = (Function *)(void *)filename_completion_function; |
arr[0] = (char)invoking_key; |
|
arr[1] = '\0'; |
/* We now look backwards for the start of a filename/variable word */ |
el_insertstr(e, arr); |
li = el_line(e); |
return CC_REFRESH; |
ctemp = (const char *) li->cursor; |
|
while (ctemp > li->buffer |
|
&& !strchr(rl_basic_word_break_characters, ctemp[-1]) |
|
&& (!rl_special_prefixes |
|
|| !strchr(rl_special_prefixes, ctemp[-1]) ) ) |
|
ctemp--; |
|
|
|
len = li->cursor - ctemp; |
|
temp = alloca(len + 1); |
|
(void) strncpy(temp, ctemp, len); |
|
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) |
|
matches = completion_matches(temp, (CPFunction *)complet_func); |
|
else { |
|
int end = li->cursor - li->buffer; |
|
matches = (*rl_attempted_completion_function) (temp, (int) |
|
(end - len), end); |
|
} |
} |
|
|
if (matches) { |
if (rl_completion_word_break_hook != NULL) |
int i, retval = CC_REFRESH; |
breakchars = (*rl_completion_word_break_hook)(); |
int matches_num, maxlen, match_len, match_display=1; |
else |
|
breakchars = rl_basic_word_break_characters; |
|
|
/* |
_rl_update_pos(); |
* Only replace the completed string with common part of |
|
* possible matches if there is possible completion. |
|
*/ |
|
if (matches[0][0] != '\0') { |
|
el_deletestr(e, (int) len); |
|
el_insertstr(e, matches[0]); |
|
} |
|
|
|
if (what_to_do == '?') |
|
goto display_matches; |
|
|
|
if (matches[2] == NULL && strcmp(matches[0], matches[1]) == 0) { |
|
/* |
|
* We found exact match. Add a space after |
|
* it, unless we do filename completion and the |
|
* object is a directory. |
|
*/ |
|
size_t alen = strlen(matches[0]); |
|
if ((complet_func != |
|
(Function *)filename_completion_function |
|
|| (alen > 0 && (matches[0])[alen - 1] != '/')) |
|
&& rl_completion_append_character) { |
|
char buf[2]; |
|
buf[0] = rl_completion_append_character; |
|
buf[1] = '\0'; |
|
el_insertstr(e, buf); |
|
} |
|
} else if (what_to_do == '!') { |
|
display_matches: |
|
/* |
|
* More than one match and requested to list possible |
|
* matches. |
|
*/ |
|
|
|
for(i=1, maxlen=0; matches[i]; i++) { |
|
match_len = strlen(matches[i]); |
|
if (match_len > maxlen) |
|
maxlen = match_len; |
|
} |
|
matches_num = i - 1; |
|
|
|
/* newline to get on next line from command line */ |
|
fprintf(e->el_outfile, "\n"); |
|
|
|
/* |
|
* If there are too many items, ask user for display |
|
* confirmation. |
|
*/ |
|
if (matches_num > rl_completion_query_items) { |
|
fprintf(e->el_outfile, |
|
"Display all %d possibilities? (y or n) ", |
|
matches_num); |
|
fflush(e->el_outfile); |
|
if (getc(stdin) != 'y') |
|
match_display = 0; |
|
fprintf(e->el_outfile, "\n"); |
|
} |
|
|
|
if (match_display) |
/* Just look at how many global variables modify this operation! */ |
rl_display_match_list(matches, matches_num, |
return fn_complete(e, |
maxlen); |
(rl_compentry_func_t *)rl_completion_entry_function, |
retval = CC_REDISPLAY; |
rl_attempted_completion_function, |
} else if (matches[0][0]) { |
ct_decode_string(rl_basic_word_break_characters, &wbreak_conv), |
/* |
ct_decode_string(breakchars, &sprefix_conv), |
* There was some common match, but the name was |
_rl_completion_append_character_function, |
* not complete enough. Next tab will print possible |
(size_t)rl_completion_query_items, |
* completions. |
&rl_completion_type, &rl_attempted_completion_over, |
*/ |
&rl_point, &rl_end); |
el_beep(e); |
|
} else { |
|
/* lcd is not a valid object - further specification */ |
|
/* is needed */ |
|
el_beep(e); |
|
retval = CC_NORM; |
|
} |
|
|
|
/* free elements of array and the array itself */ |
|
for (i = 0; matches[i]; i++) |
|
free(matches[i]); |
|
free(matches), matches = NULL; |
|
|
|
return (retval); |
|
} |
|
return (CC_NORM); |
|
} |
} |
|
|
|
|
/* |
/* ARGSUSED */ |
* complete word at current point |
static unsigned char |
*/ |
_el_rl_complete(EditLine *el __attribute__((__unused__)), int ch) |
int |
|
rl_complete(int ignore, int invoking_key) |
|
{ |
{ |
if (h == NULL || e == NULL) |
return (unsigned char)rl_complete(0, ch); |
rl_initialize(); |
|
|
|
if (rl_inhibit_completion) { |
|
rl_insert(ignore, invoking_key); |
|
return (CC_REFRESH); |
|
} else if (e->el_state.lastcmd == el_rl_complete_cmdnum) |
|
return rl_complete_internal('?'); |
|
else if (_rl_complete_show_all) |
|
return rl_complete_internal('!'); |
|
else |
|
return (rl_complete_internal(TAB)); |
|
} |
} |
|
|
|
|
/* |
/* |
* misc other functions |
* misc other functions |
*/ |
*/ |
Line 1766 rl_complete(int ignore, int invoking_key |
|
Line 1859 rl_complete(int ignore, int invoking_key |
|
* bind key c to readline-type function func |
* bind key c to readline-type function func |
*/ |
*/ |
int |
int |
rl_bind_key(int c, int func(int, int)) |
rl_bind_key(int c, rl_command_func_t *func) |
{ |
{ |
int retval = -1; |
int retval = -1; |
|
|
Line 1778 rl_bind_key(int c, int func(int, int)) |
|
Line 1871 rl_bind_key(int c, int func(int, int)) |
|
e->el_map.key[c] = ED_INSERT; |
e->el_map.key[c] = ED_INSERT; |
retval = 0; |
retval = 0; |
} |
} |
return (retval); |
return retval; |
} |
} |
|
|
|
|
Line 1794 rl_read_key(void) |
|
Line 1887 rl_read_key(void) |
|
if (e == NULL || h == NULL) |
if (e == NULL || h == NULL) |
rl_initialize(); |
rl_initialize(); |
|
|
return (el_getc(e, fooarr)); |
return el_getc(e, fooarr); |
} |
} |
|
|
|
|
Line 1824 rl_insert(int count, int c) |
|
Line 1917 rl_insert(int count, int c) |
|
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--) |
el_push(e, arr); |
el_push(e, arr); |
|
|
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*/ |
/*ARGSUSED*/ |
int |
int |
rl_newline(int count, int c) |
rl_newline(int count __attribute__((__unused__)), |
|
int c __attribute__((__unused__))) |
{ |
{ |
/* |
/* |
* Readline-4.0 appears to ignore the args. |
* Readline-4.0 appears to ignore the args. |
Line 1845 rl_newline(int count, int c) |
|
Line 1953 rl_newline(int count, int c) |
|
|
|
/*ARGSUSED*/ |
/*ARGSUSED*/ |
static unsigned char |
static unsigned char |
rl_bind_wrapper(EditLine *el, unsigned char c) |
rl_bind_wrapper(EditLine *el __attribute__((__unused__)), unsigned char c) |
{ |
{ |
if (map[c] == NULL) |
if (map[c] == NULL) |
return CC_ERROR; |
return CC_ERROR; |
(*map[c])(NULL, c); |
|
|
_rl_update_pos(); |
|
|
|
(*map[c])(1, c); |
|
|
/* If rl_done was set by the above call, deal with it here */ |
/* If rl_done was set by the above call, deal with it here */ |
if (rl_done) |
if (rl_done) |
Line 1859 rl_bind_wrapper(EditLine *el, unsigned c |
|
Line 1970 rl_bind_wrapper(EditLine *el, unsigned c |
|
} |
} |
|
|
int |
int |
rl_add_defun(const char *name, Function *fun, int c) |
rl_add_defun(const char *name, rl_command_func_t *fun, int c) |
{ |
{ |
char dest[8]; |
char dest[8]; |
if (c >= sizeof(map) / sizeof(map[0]) || c < 0) |
if ((size_t)c >= sizeof(map) / sizeof(map[0]) || c < 0) |
return -1; |
return -1; |
map[(unsigned char)c] = fun; |
map[(unsigned char)c] = fun; |
el_set(e, EL_ADDFN, name, name, rl_bind_wrapper); |
el_set(e, EL_ADDFN, name, name, rl_bind_wrapper); |
vis(dest, c, VIS_WHITE|VIS_NOSLASH, 0); |
vis(dest, c, VIS_WHITE|VIS_NOSLASH, 0); |
el_set(e, EL_BIND, dest, name); |
el_set(e, EL_BIND, dest, name, NULL); |
return 0; |
return 0; |
} |
} |
|
|
void |
void |
rl_callback_read_char() |
rl_callback_read_char(void) |
{ |
{ |
int count = 0, done = 0; |
int count = 0, done = 0; |
const char *buf = el_gets(e, &count); |
const char *buf = el_gets(e, &count); |
Line 1880 rl_callback_read_char() |
|
Line 1991 rl_callback_read_char() |
|
|
|
if (buf == NULL || count-- <= 0) |
if (buf == NULL || count-- <= 0) |
return; |
return; |
if (count == 0 && buf[0] == CTRL('d')) |
if (count == 0 && buf[0] == e->el_tty.t_c[TS_IO][C_EOF]) |
done = 1; |
done = 1; |
if (buf[count] == '\n' || buf[count] == '\r') |
if (buf[count] == '\n' || buf[count] == '\r') |
done = 2; |
done = 2; |
Line 1893 rl_callback_read_char() |
|
Line 2004 rl_callback_read_char() |
|
} else |
} else |
wbuf = NULL; |
wbuf = NULL; |
(*(void (*)(const char *))rl_linefunc)(wbuf); |
(*(void (*)(const char *))rl_linefunc)(wbuf); |
|
el_set(e, EL_UNBUFFERED, 1); |
} |
} |
} |
} |
|
|
void |
void |
rl_callback_handler_install (const char *prompt, VFunction *linefunc) |
rl_callback_handler_install(const char *prompt, rl_vcpfunc_t *linefunc) |
{ |
{ |
if (e == NULL) { |
if (e == NULL) { |
rl_initialize(); |
rl_initialize(); |
} |
} |
if (rl_prompt) |
(void)rl_set_prompt(prompt); |
free(rl_prompt); |
|
rl_prompt = prompt ? strdup(strchr(prompt, *prompt)) : NULL; |
|
rl_linefunc = linefunc; |
rl_linefunc = linefunc; |
el_set(e, EL_UNBUFFERED, 1); |
el_set(e, EL_UNBUFFERED, 1); |
} |
} |
|
|
rl_callback_handler_remove(void) |
rl_callback_handler_remove(void) |
{ |
{ |
el_set(e, EL_UNBUFFERED, 0); |
el_set(e, EL_UNBUFFERED, 0); |
|
rl_linefunc = NULL; |
} |
} |
|
|
void |
void |
rl_redisplay(void) |
rl_redisplay(void) |
{ |
{ |
char a[2]; |
char a[2]; |
a[0] = CTRL('r'); |
a[0] = (char)e->el_tty.t_c[TS_IO][C_REPRINT]; |
a[1] = '\0'; |
a[1] = '\0'; |
el_push(e, a); |
el_push(e, a); |
} |
} |
|
|
rl_get_previous_history(int count, int key) |
rl_get_previous_history(int count, int key) |
{ |
{ |
char a[2]; |
char a[2]; |
a[0] = key; |
a[0] = (char)key; |
a[1] = '\0'; |
a[1] = '\0'; |
while (count--) |
while (count--) |
el_push(e, a); |
el_push(e, a); |
Line 1937 rl_get_previous_history(int count, int k |
|
Line 2048 rl_get_previous_history(int count, int k |
|
|
|
void |
void |
/*ARGSUSED*/ |
/*ARGSUSED*/ |
rl_prep_terminal(int meta_flag) |
rl_prep_terminal(int meta_flag __attribute__((__unused__))) |
{ |
{ |
el_set(e, EL_PREP_TERM, 1); |
el_set(e, EL_PREP_TERM, 1); |
} |
} |
|
|
void |
void |
rl_deprep_terminal() |
rl_deprep_terminal(void) |
{ |
{ |
el_set(e, EL_PREP_TERM, 0); |
el_set(e, EL_PREP_TERM, 0); |
} |
} |
Line 1951 rl_deprep_terminal() |
|
Line 2062 rl_deprep_terminal() |
|
int |
int |
rl_read_init_file(const char *s) |
rl_read_init_file(const char *s) |
{ |
{ |
return(el_source(e, s)); |
return el_source(e, s); |
} |
} |
|
|
int |
int |
Line 1962 rl_parse_and_bind(const char *line) |
|
Line 2073 rl_parse_and_bind(const char *line) |
|
Tokenizer *tok; |
Tokenizer *tok; |
|
|
tok = tok_init(NULL); |
tok = tok_init(NULL); |
tok_line(tok, line, &argc, &argv); |
tok_str(tok, line, &argc, &argv); |
argc = el_parse(e, argc, argv); |
argc = el_parse(e, argc, argv); |
tok_end(tok); |
tok_end(tok); |
return (argc ? 1 : 0); |
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 |
void |
Line 1973 rl_stuff_char(int c) |
|
Line 2094 rl_stuff_char(int c) |
|
{ |
{ |
char buf[2]; |
char buf[2]; |
|
|
buf[0] = c; |
buf[0] = (char)c; |
buf[1] = '\0'; |
buf[1] = '\0'; |
el_insertstr(e, buf); |
el_insertstr(e, buf); |
} |
} |
Line 1981 rl_stuff_char(int c) |
|
Line 2102 rl_stuff_char(int c) |
|
static int |
static int |
_rl_event_read_char(EditLine *el, char *cp) |
_rl_event_read_char(EditLine *el, char *cp) |
{ |
{ |
int n, num_read; |
int n; |
|
ssize_t num_read = 0; |
|
|
*cp = 0; |
*cp = '\0'; |
while (rl_event_hook) { |
while (rl_event_hook) { |
|
|
(*rl_event_hook)(); |
(*rl_event_hook)(); |
|
|
#if defined(FIONREAD) |
#if defined(FIONREAD) |
if (ioctl(el->el_infd, FIONREAD, &n) < 0) |
if (ioctl(el->el_infd, FIONREAD, &n) < 0) |
return(-1); |
return -1; |
if (n) |
if (n) |
num_read = read(el->el_infd, cp, 1); |
num_read = read(el->el_infd, cp, (size_t)1); |
else |
else |
num_read = 0; |
num_read = 0; |
#elif defined(F_SETFL) && defined(O_NDELAY) |
#elif defined(F_SETFL) && defined(O_NDELAY) |
if ((n = fcntl(el->el_infd, F_GETFL, 0)) < 0) |
if ((n = fcntl(el->el_infd, F_GETFL, 0)) < 0) |
return(-1); |
return -1; |
if (fcntl(el->el_infd, F_SETFL, n|O_NDELAY) < 0) |
if (fcntl(el->el_infd, F_SETFL, n|O_NDELAY) < 0) |
return(-1); |
return -1; |
num_read = read(el->el_infd, cp, 1); |
num_read = read(el->el_infd, cp, 1); |
if (fcntl(el->el_infd, F_SETFL, n)) |
if (fcntl(el->el_infd, F_SETFL, n)) |
return(-1); |
return -1; |
#else |
#else |
/* not non-blocking, but what you gonna do? */ |
/* not non-blocking, but what you gonna do? */ |
num_read = read(el->el_infd, cp, 1); |
num_read = read(el->el_infd, cp, 1); |
return(-1); |
return -1; |
#endif |
#endif |
|
|
if (num_read < 0 && errno == EAGAIN) |
if (num_read < 0 && errno == EAGAIN) |
Line 2017 _rl_event_read_char(EditLine *el, char * |
|
Line 2139 _rl_event_read_char(EditLine *el, char * |
|
} |
} |
if (!rl_event_hook) |
if (!rl_event_hook) |
el_set(el, EL_GETCFN, EL_BUILTIN_GETCFN); |
el_set(el, EL_GETCFN, EL_BUILTIN_GETCFN); |
return(num_read); |
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_T_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) |
|
{ |
|
return 0; |
} |
} |