version 1.37, 2003/10/15 18:08:40 |
version 1.83, 2009/04/08 21:31:31 |
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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 51 __RCSID("$NetBSD$"); |
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Line 44 __RCSID("$NetBSD$"); |
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#include <stdlib.h> |
#include <stdlib.h> |
#include <unistd.h> |
#include <unistd.h> |
#include <limits.h> |
#include <limits.h> |
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#include <errno.h> |
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#include <fcntl.h> |
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#include <setjmp.h> |
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#ifdef HAVE_VIS_H |
#include <vis.h> |
#include <vis.h> |
#ifdef HAVE_ALLOCA_H |
#else |
#include <alloca.h> |
#include "np/vis.h" |
#endif |
#endif |
#include "histedit.h" |
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#include "readline/readline.h" |
#include "readline/readline.h" |
#include "el.h" |
#include "el.h" |
#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 */ |
Line 79 FILE *rl_outstream = NULL; |
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Line 80 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; |
VCPFunction *rl_linefunc = NULL; |
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int rl_done = 0; |
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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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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 88 char history_expansion_char = '!'; |
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Line 94 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; |
Line 98 Function *rl_completion_entry_function = |
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Line 105 Function *rl_completion_entry_function = |
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CPPFunction *rl_attempted_completion_function = NULL; |
CPPFunction *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 rl_catch_signals = 1; |
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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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/* |
/* |
* The current prompt string. |
* The current prompt string. |
Line 131 int rl_completion_query_items = 100; |
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Line 141 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 141 int rl_completion_append_character = ' ' |
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Line 151 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 Function *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); |
static int _rl_event_read_char(EditLine *, char *); |
static int _rl_qsort_string_compare(const void *, const void *); |
static void _rl_update_pos(void); |
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/* ARGSUSED */ |
/* ARGSUSED */ |
Line 183 _move_history(int op) |
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Line 192 _move_history(int op) |
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return (HIST_ENTRY *) NULL; |
return (HIST_ENTRY *) 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); |
return (&rl_he); |
} |
} |
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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, 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 = i; |
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return 1; |
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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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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 |
Line 201 rl_initialize(void) |
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Line 251 rl_initialize(void) |
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{ |
{ |
HistEvent ev; |
HistEvent ev; |
const LineInfo *li; |
const LineInfo *li; |
int i; |
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int editmode = 1; |
int editmode = 1; |
struct termios t; |
struct termios t; |
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Line 235 rl_initialize(void) |
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Line 284 rl_initialize(void) |
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max_input_history = INT_MAX; |
max_input_history = INT_MAX; |
el_set(e, EL_HIST, history, h); |
el_set(e, EL_HIST, history, h); |
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/* setup 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 overriden */ |
Line 261 rl_initialize(void) |
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Line 313 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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/* read settings from configuration file */ |
/* read settings from configuration file */ |
el_source(e, NULL); |
el_source(e, NULL); |
Line 282 rl_initialize(void) |
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Line 332 rl_initialize(void) |
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li = el_line(e); |
li = el_line(e); |
/* a cheesy way to get rid of const cast. */ |
/* a cheesy way to get rid of const cast. */ |
rl_line_buffer = memchr(li->buffer, *li->buffer, 1); |
rl_line_buffer = memchr(li->buffer, *li->buffer, 1); |
rl_point = rl_end = 0; |
_rl_update_pos(); |
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if (rl_startup_hook) |
if (rl_startup_hook) |
(*rl_startup_hook)(NULL, 0); |
(*rl_startup_hook)(NULL, 0); |
Line 296 rl_initialize(void) |
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Line 346 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; |
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static int used_event_hook; |
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if (e == NULL || h == NULL) |
if (e == NULL || h == NULL) |
rl_initialize(); |
rl_initialize(); |
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rl_done = 0; |
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(void)setjmp(topbuf); |
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/* update prompt accordingly to what has been passed */ |
/* update prompt accordingly to what has been passed */ |
if (!prompt) |
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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if (rl_event_hook && !(e->el_flags&NO_TTY)) { |
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el_set(e, EL_GETCFN, _rl_event_read_char); |
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used_event_hook = 1; |
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} |
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if (!rl_event_hook && used_event_hook) { |
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el_set(e, EL_GETCFN, EL_BUILTIN_GETCFN); |
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used_event_hook = 0; |
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} |
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rl_already_prompted = 0; |
rl_already_prompted = 0; |
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/* get one line from input stream */ |
/* get one line from input stream */ |
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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 = malloc(len + 1); |
} |
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; |
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char *pat; |
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const char *rptr; |
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HistEvent ev; |
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idx = *cindex; |
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if (cmd[idx++] != history_expansion_char) |
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return(NULL); |
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/* find out which event to take */ |
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if (cmd[idx] == history_expansion_char || cmd[idx] == '\0') { |
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if (history(h, &ev, H_FIRST) != 0) |
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return(NULL); |
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*cindex = cmd[idx]? (idx + 1):idx; |
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return(ev.str); |
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} |
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sign = 0; |
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if (cmd[idx] == '-') { |
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sign = 1; |
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idx++; |
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} |
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if ('0' <= cmd[idx] && cmd[idx] <= '9') { |
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HIST_ENTRY *rl_he; |
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num = 0; |
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while (cmd[idx] && '0' <= cmd[idx] && cmd[idx] <= '9') { |
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num = num * 10 + cmd[idx] - '0'; |
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idx++; |
} |
} |
} while (temp && globally); |
if (sign) |
result[len] = '\0'; |
num = history_length - num + 1; |
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return (result); |
if (!(rl_he = history_get(num))) |
} |
return(NULL); |
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*cindex = idx; |
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return(rl_he->line); |
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} |
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sub = 0; |
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if (cmd[idx] == '?') { |
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sub = 1; |
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idx++; |
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} |
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begin = idx; |
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while (cmd[idx]) { |
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if (cmd[idx] == '\n') |
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break; |
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if (sub && cmd[idx] == '?') |
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break; |
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if (!sub && (cmd[idx] == ':' || cmd[idx] == ' ' |
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|| cmd[idx] == '\t' || cmd[idx] == qchar)) |
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break; |
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idx++; |
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} |
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len = idx - begin; |
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if (sub && cmd[idx] == '?') |
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idx++; |
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if (sub && len == 0 && last_search_pat && *last_search_pat) |
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pat = last_search_pat; |
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else if (len == 0) |
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return(NULL); |
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else { |
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if ((pat = malloc(len + 1)) == NULL) |
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return NULL; |
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(void)strncpy(pat, cmd + begin, len); |
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pat[len] = '\0'; |
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} |
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if (history(h, &ev, H_CURR) != 0) { |
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if (pat != last_search_pat) |
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free(pat); |
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return (NULL); |
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} |
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num = ev.num; |
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if (sub) { |
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if (pat != last_search_pat) { |
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if (last_search_pat) |
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free(last_search_pat); |
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last_search_pat = pat; |
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} |
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ret = history_search(pat, -1); |
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} else |
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ret = history_search_prefix(pat, -1); |
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if (ret == -1) { |
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/* restore to end of list on failed search */ |
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history(h, &ev, H_FIRST); |
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(void)fprintf(rl_outstream, "%s: Event not found\n", pat); |
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if (pat != last_search_pat) |
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free(pat); |
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return(NULL); |
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} |
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if (sub && len) { |
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if (last_search_match && last_search_match != pat) |
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free(last_search_match); |
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last_search_match = pat; |
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} |
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if (pat != last_search_pat) |
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free(pat); |
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if (history(h, &ev, H_CURR) != 0) |
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return(NULL); |
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*cindex = idx; |
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rptr = ev.str; |
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/* roll back to original position */ |
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(void)history(h, &ev, H_SET, num); |
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return rptr; |
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} |
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/* |
/* |
* 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 ?) |
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* |
* |
* 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, |
Line 434 _rl_compat_sub(const char *str, const ch |
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Line 599 _rl_compat_sub(const char *str, const ch |
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* it's callers responsibility to free() string returned in *result |
* it's callers responsibility to free() 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, |
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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 "!!:$" respectively. |
|
*/ |
|
str[0] = str[1] = '!'; |
|
str[2] = '0'; |
|
ptr = get_history_event(str, &idx, 0); |
|
idx = (command[offs + 1] == ':')? 1:0; |
|
has_mods = 1; |
} else { |
} else { |
int off, num; |
if (command[offs + 1] == '#') { |
size_t len; |
/* use command so far */ |
off = idx; |
if ((aptr = malloc(offs + 1)) == NULL) |
while (cmd[off] && !strchr(":^$*-%", cmd[off])) |
return -1; |
off++; |
(void)strncpy(aptr, command, offs); |
num = atoi(&cmd[idx]); |
aptr[offs] = '\0'; |
if (num != 0) { |
idx = 1; |
event_num = num; |
|
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 + 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) |
|
free(aptr); |
|
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] == '$') { |
|
cmd += 2; |
|
end = -1; |
|
} else { |
|
cmd++; |
|
end = -2; |
|
} |
|
} else if (*cmd == '*') |
|
end = -1, cmd++; |
|
else |
|
end = start; |
|
} |
|
tmp = history_arg_extract(start, end, aptr? aptr:ptr); |
|
if (tmp == NULL) { |
|
(void)fprintf(rl_outstream, "%s: Bad word specifier", |
|
command + offs + idx); |
|
if (aptr) |
|
free(aptr); |
|
return(-1); |
|
} |
} else |
} else |
return (-1); |
tmp = strdup(aptr? aptr:ptr); |
|
|
if (cmd[idx] != ':') |
if (aptr) |
return (-1); |
free(aptr); |
cmd += idx + 1; |
|
|
|
/* recognize cmd */ |
if (*cmd == '\0' || ((size_t)(cmd - (command + offs)) >= cmdlen)) { |
if (*cmd == '^') |
*result = tmp; |
start = end = 1, cmd++; |
return(1); |
else if (*cmd == '$') |
|
start = end = -1, cmd++; |
|
else if (*cmd == '*') |
|
start = 1, end = -1, cmd++; |
|
else if (isdigit((unsigned char) *cmd)) { |
|
const char *temp; |
|
int shifted = 0; |
|
|
|
start = atoi(cmd); |
|
temp = cmd; |
|
for (; isdigit((unsigned char) *cmd); cmd++); |
|
if (temp != cmd) |
|
shifted = 1; |
|
if (shifted && *cmd == '-') { |
|
if (!isdigit((unsigned char) *(cmd + 1))) |
|
end = -2; |
|
else { |
|
end = atoi(cmd + 1); |
|
for (; isdigit((unsigned char) *cmd); cmd++); |
|
} |
|
} else if (shifted && *cmd == '*') |
|
end = -1, cmd++; |
|
else if (shifted) |
|
end = start; |
|
} |
} |
if (*cmd == ':') |
|
cmd++; |
|
|
|
line = strdup(event_data); |
|
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') |
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); |
|
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 582 _history_expand_command(const char *comm |
|
Line 748 _history_expand_command(const char *comm |
|
what = realloc(from, size); |
what = realloc(from, size); |
if (what == NULL) { |
if (what == NULL) { |
free(from); |
free(from); |
|
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 = realloc(what, |
(size <<= 1)); |
(size <<= 1)); |
if (nwhat == NULL) { |
if (nwhat == NULL) { |
free(what); |
free(what); |
|
free(tmp); |
return 0; |
return 0; |
} |
} |
what = nwhat; |
what = nwhat; |
Line 607 _history_expand_command(const char *comm |
|
Line 774 _history_expand_command(const char *comm |
|
free(what); |
free(what); |
if (search) { |
if (search) { |
from = strdup(search); |
from = strdup(search); |
if (from == NULL) |
if (from == NULL) { |
|
free(tmp); |
return 0; |
return 0; |
|
} |
} else { |
} else { |
from = NULL; |
from = NULL; |
|
free(tmp); |
return (-1); |
return (-1); |
} |
} |
} |
} |
Line 622 _history_expand_command(const char *comm |
|
Line 792 _history_expand_command(const char *comm |
|
with = realloc(to, size); |
with = realloc(to, size); |
if (with == NULL) { |
if (with == NULL) { |
free(to); |
free(to); |
|
free(tmp); |
return -1; |
return -1; |
} |
} |
len = 0; |
len = 0; |
Line 633 _history_expand_command(const char *comm |
|
Line 804 _history_expand_command(const char *comm |
|
nwith = realloc(with, size); |
nwith = realloc(with, size); |
if (nwith == NULL) { |
if (nwith == NULL) { |
free(with); |
free(with); |
|
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 651 _history_expand_command(const char *comm |
|
Line 823 _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 */ |
aptr = _rl_compat_sub(tmp, from, to, g_on); |
max = 0; |
if (aptr) { |
for (i = 0; arr[i]; i++) |
free(tmp); |
max++; |
tmp = aptr; |
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]); |
|
if (cmdlen + arr_len + 1 >= cmdsize) { |
|
char *ntempcmd; |
|
cmdsize += arr_len + 1; |
|
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; |
|
tempcmd[cmdlen++] = ' '; /* add a space */ |
|
} |
} |
while (cmdlen > 0 && isspace((unsigned char) tempcmd[cmdlen - 1])) |
*result = tmp; |
cmdlen--; |
return (p_on? 2:1); |
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 742 _history_expand_command(const char *comm |
|
Line 844 _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 = malloc(strlen(str) + 4 + 1); |
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 = realloc(result, (size += len + 1));\ |
if (nresult == NULL) { \ |
if (nresult == NULL) { \ |
free(*output); \ |
free(*output); \ |
|
if (/*CONSTCOND*/fr) \ |
|
free(tmp); \ |
return 0; \ |
return 0; \ |
} \ |
} \ |
result = nresult; \ |
result = nresult; \ |
Line 779 history_expand(char *str, char **output) |
|
Line 892 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]); |
(void)strcpy(&str[j], &str[j + 1]); |
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) { |
|
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); |
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; |
|
|
|
arr = history_tokenize(str); |
|
if (!arr) |
|
return(NULL); |
|
if (arr && *arr == NULL) { |
|
free(arr); |
|
return(NULL); |
|
} |
|
|
|
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) |
|
return(NULL); |
|
|
|
for (i = start, len = 0; i <= (size_t)end; i++) |
|
len += strlen(arr[i]) + 1; |
|
len++; |
|
result = malloc(len); |
|
if (result == NULL) |
|
return NULL; |
|
|
|
for (i = 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'; |
|
|
|
for (i = 0; arr[i]; i++) |
|
free(arr[i]); |
|
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 882 history_tokenize(const char *str) |
|
Line 1052 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 = realloc(result, size * sizeof(char *)); |
Line 897 history_tokenize(const char *str) |
|
Line 1069 history_tokenize(const char *str) |
|
len = i - start; |
len = i - start; |
temp = malloc(len + 1); |
temp = malloc(len + 1); |
if (temp == NULL) { |
if (temp == NULL) { |
|
for (i = 0; i < idx; i++) |
|
free(result[i]); |
free(result); |
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 read_history(const char *filename) |
|
Line 1136 read_history(const char *filename) |
|
|
|
if (h == NULL || e == NULL) |
if (h == NULL || e == NULL) |
rl_initialize(); |
rl_initialize(); |
return (history(h, &ev, H_LOAD, filename)); |
return (history(h, &ev, H_LOAD, filename) == -1); |
} |
} |
|
|
|
|
Line 975 write_history(const char *filename) |
|
Line 1150 write_history(const char *filename) |
|
|
|
if (h == NULL || e == NULL) |
if (h == NULL || e == NULL) |
rl_initialize(); |
rl_initialize(); |
return (history(h, &ev, H_SAVE, filename)); |
return (history(h, &ev, H_SAVE, filename) == -1); |
} |
} |
|
|
|
|
Line 989 history_get(int num) |
|
Line 1164 history_get(int num) |
|
{ |
{ |
static HIST_ENTRY she; |
static HIST_ENTRY she; |
HistEvent ev; |
HistEvent ev; |
int i = 1, curr_num; |
int curr_num; |
|
|
if (h == NULL || e == NULL) |
if (h == NULL || e == NULL) |
rl_initialize(); |
rl_initialize(); |
|
|
/* rewind to beginning */ |
/* save current position */ |
if (history(h, &ev, H_CURR) != 0) |
if (history(h, &ev, H_CURR) != 0) |
return (NULL); |
return (NULL); |
curr_num = ev.num; |
curr_num = ev.num; |
if (history(h, &ev, H_LAST) != 0) |
|
|
/* start from most recent */ |
|
if (history(h, &ev, H_FIRST) != 0) |
return (NULL); /* error */ |
return (NULL); /* error */ |
while (i < num && history(h, &ev, H_PREV) == 0) |
|
i++; |
/* look backwards for event matching specified offset */ |
if (i != num) |
if (history(h, &ev, H_NEXT_EVENT, num + 1)) |
return (NULL); /* not so many entries */ |
return (NULL); |
|
|
she.line = ev.str; |
she.line = ev.str; |
she.data = NULL; |
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 1027 add_history(const char *line) |
|
Line 1203 add_history(const char *line) |
|
if (h == NULL || e == NULL) |
if (h == NULL || e == NULL) |
rl_initialize(); |
rl_initialize(); |
|
|
(void) history(h, &ev, H_ENTER, line); |
(void)history(h, &ev, H_ENTER, line); |
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 (!(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 *she; |
|
HistEvent ev; |
|
|
|
if (h == NULL || e == NULL) |
|
rl_initialize(); |
|
|
|
if (history(h, &ev, H_DEL, num) != 0) |
|
return NULL; |
|
|
|
if ((she = malloc(sizeof(*she))) == NULL) |
|
return NULL; |
|
|
|
she->line = ev.str; |
|
she->data = NULL; |
|
|
|
return she; |
} |
} |
|
|
|
|
|
|
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); |
Line 1102 history_total_bytes(void) |
|
Line 1304 history_total_bytes(void) |
|
/* 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); |
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 */ |
if (history(h, &ev, H_SET, pos)) { |
history(h, &ev, H_FIRST); |
history(h, &ev, H_SET, curr_num); |
history(h, &ev, H_NEXT_EVENT, curr_num); |
return(-1); |
return (-1); |
|
} |
} |
return (0); |
return (0); |
} |
} |
Line 1157 next_history(void) |
|
Line 1354 next_history(void) |
|
|
|
|
|
/* |
/* |
* 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; |
Line 1171 _history_search_gen(const char *str, int |
|
Line 1368 _history_search_gen(const char *str, int |
|
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_PREV : H_NEXT) != 0) |
if (history(h, &ev, direction < 0 ? H_NEXT:H_PREV) != 0) |
break; |
break; |
} |
} |
|
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)); |
|
} |
|
|
|
|
|
/* |
|
* searches for first history event beginning with str |
* searches for first history event beginning with str |
*/ |
*/ |
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 1212 history_search_prefix(const char *str, i |
|
Line 1396 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 1244 history_search_pos(const char *str, |
|
Line 1428 history_search_pos(const char *str, |
|
|
|
|
|
/********************************/ |
/********************************/ |
/* 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 |
Line 1420 filename_completion_function(const char |
|
Line 1452 filename_completion_function(const char |
|
char * |
char * |
username_completion_function(const char *text, int state) |
username_completion_function(const char *text, int state) |
{ |
{ |
struct passwd *pwd; |
struct passwd *pwd, pwres; |
|
char pwbuf[1024]; |
|
|
if (text[0] == '\0') |
if (text[0] == '\0') |
return (NULL); |
return (NULL); |
Line 1431 username_completion_function(const char |
|
Line 1464 username_completion_function(const char |
|
if (state == 0) |
if (state == 0) |
setpwent(); |
setpwent(); |
|
|
while ((pwd = getpwent()) && text[0] == pwd->pw_name[0] |
while (getpwent_r(&pwres, pwbuf, sizeof(pwbuf), &pwd) == 0 |
|
&& pwd != NULL && text[0] == pwd->pw_name[0] |
&& strcmp(text, pwd->pw_name) == 0); |
&& strcmp(text, pwd->pw_name) == 0); |
|
|
if (pwd == NULL) { |
if (pwd == NULL) { |
Line 1443 username_completion_function(const char |
|
Line 1477 username_completion_function(const char |
|
|
|
|
|
/* |
/* |
* 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 1534 _rl_qsort_string_compare(i1, i2) |
|
Line 1493 _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. */ |
|
qsort(&matches[1], (size_t)(len - 1), sizeof(char *), |
|
_rl_qsort_string_compare); |
|
|
|
idx = 1; |
|
for(; count > 0; count--) { |
|
for(i=0; i < limit && matches[idx]; i++, idx++) |
|
fprintf(e->el_outfile, "%-*s ", max, matches[idx]); |
|
fprintf(e->el_outfile, "\n"); |
|
} |
|
} |
} |
|
|
/* |
static const char * |
* Complete the word at or before point, called by rl_complete() |
/*ARGSUSED*/ |
* 'what_to_do' says what to do with the completion. |
_rl_completion_append_character_function(const char *dummy |
* `?' means list the possible completions. |
__attribute__((__unused__))) |
* 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 |
|
rl_complete_internal(int what_to_do) |
|
{ |
{ |
Function *complet_func; |
static char buf[2]; |
const LineInfo *li; |
buf[0] = rl_completion_append_character; |
char *temp, **matches; |
buf[1] = '\0'; |
const char *ctemp; |
return buf; |
size_t len; |
|
|
|
rl_completion_type = what_to_do; |
|
|
|
if (h == NULL || e == NULL) |
|
rl_initialize(); |
|
|
|
complet_func = rl_completion_entry_function; |
|
if (!complet_func) |
|
complet_func = (Function *)(void *)filename_completion_function; |
|
|
|
/* We now look backwards for the start of a filename/variable word */ |
|
li = el_line(e); |
|
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) { |
|
int i, retval = CC_REFRESH; |
|
int matches_num, maxlen, match_len, match_display=1; |
|
|
|
/* |
|
* 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) |
|
rl_display_match_list(matches, matches_num, |
|
maxlen); |
|
retval = CC_REDISPLAY; |
|
} else if (matches[0][0]) { |
|
/* |
|
* There was some common match, but the name was |
|
* not complete enough. Next tab will print possible |
|
* completions. |
|
*/ |
|
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); |
|
} |
} |
|
|
|
|
/* |
/* |
* complete word at current point |
* complete word at current point |
*/ |
*/ |
|
/* ARGSUSED */ |
int |
int |
rl_complete(int ignore, int invoking_key) |
rl_complete(int ignore __attribute__((__unused__)), int invoking_key) |
{ |
{ |
if (h == NULL || e == NULL) |
if (h == NULL || e == NULL) |
rl_initialize(); |
rl_initialize(); |
|
|
if (rl_inhibit_completion) { |
if (rl_inhibit_completion) { |
rl_insert(ignore, invoking_key); |
char arr[2]; |
|
arr[0] = (char)invoking_key; |
|
arr[1] = '\0'; |
|
el_insertstr(e, arr); |
return (CC_REFRESH); |
return (CC_REFRESH); |
} else if (e->el_state.lastcmd == el_rl_complete_cmdnum) |
} |
return rl_complete_internal('?'); |
|
else if (_rl_complete_show_all) |
/* Just look at how many global variables modify this operation! */ |
return rl_complete_internal('!'); |
return fn_complete(e, |
else |
(CPFunction *)rl_completion_entry_function, |
return (rl_complete_internal(TAB)); |
rl_attempted_completion_function, |
|
rl_basic_word_break_characters, rl_special_prefixes, |
|
_rl_completion_append_character_function, |
|
(size_t)rl_completion_query_items, |
|
&rl_completion_type, &rl_attempted_completion_over, |
|
&rl_point, &rl_end); |
} |
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static unsigned char |
|
_el_rl_complete(EditLine *el __attribute__((__unused__)), int ch) |
|
{ |
|
return (unsigned char)rl_complete(0, ch); |
|
} |
|
|
/* |
/* |
* misc other functions |
* misc other functions |
*/ |
*/ |
Line 1826 rl_bind_wrapper(EditLine *el, unsigned c |
|
Line 1639 rl_bind_wrapper(EditLine *el, unsigned c |
|
{ |
{ |
if (map[c] == NULL) |
if (map[c] == NULL) |
return CC_ERROR; |
return CC_ERROR; |
|
|
|
_rl_update_pos(); |
|
|
(*map[c])(NULL, c); |
(*map[c])(NULL, c); |
|
|
|
/* If rl_done was set by the above call, deal with it here */ |
|
if (rl_done) |
|
return CC_EOF; |
|
|
return CC_NORM; |
return CC_NORM; |
} |
} |
|
|
|
|
rl_add_defun(const char *name, Function *fun, int c) |
rl_add_defun(const char *name, Function *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); |
Line 1852 rl_callback_read_char() |
|
Line 1673 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 1865 rl_callback_read_char() |
|
Line 1686 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, VCPFunction *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] = e->el_tty.t_c[TS_IO][C_REPRINT]; |
a[1] = '\0'; |
a[1] = '\0'; |
el_push(e, a); |
el_push(e, a); |
} |
} |
Line 1906 rl_get_previous_history(int count, int k |
|
Line 1727 rl_get_previous_history(int count, int k |
|
el_push(e, a); |
el_push(e, a); |
return 0; |
return 0; |
} |
} |
|
|
|
void |
|
/*ARGSUSED*/ |
|
rl_prep_terminal(int meta_flag) |
|
{ |
|
el_set(e, EL_PREP_TERM, 1); |
|
} |
|
|
|
void |
|
rl_deprep_terminal(void) |
|
{ |
|
el_set(e, EL_PREP_TERM, 0); |
|
} |
|
|
|
int |
|
rl_read_init_file(const char *s) |
|
{ |
|
return(el_source(e, s)); |
|
} |
|
|
|
int |
|
rl_parse_and_bind(const char *line) |
|
{ |
|
const char **argv; |
|
int argc; |
|
Tokenizer *tok; |
|
|
|
tok = tok_init(NULL); |
|
tok_str(tok, line, &argc, &argv); |
|
argc = el_parse(e, argc, argv); |
|
tok_end(tok); |
|
return (argc ? 1 : 0); |
|
} |
|
|
|
int |
|
rl_variable_bind(const char *var, const char *value) |
|
{ |
|
/* |
|
* The proper return value is undocument, but this is what the |
|
* readline source seems to do. |
|
*/ |
|
return ((el_set(e, EL_BIND, "", var, value) == -1) ? 1 : 0); |
|
} |
|
|
|
void |
|
rl_stuff_char(int c) |
|
{ |
|
char buf[2]; |
|
|
|
buf[0] = c; |
|
buf[1] = '\0'; |
|
el_insertstr(e, buf); |
|
} |
|
|
|
static int |
|
_rl_event_read_char(EditLine *el, char *cp) |
|
{ |
|
int n; |
|
ssize_t num_read = 0; |
|
|
|
*cp = '\0'; |
|
while (rl_event_hook) { |
|
|
|
(*rl_event_hook)(); |
|
|
|
#if defined(FIONREAD) |
|
if (ioctl(el->el_infd, FIONREAD, &n) < 0) |
|
return(-1); |
|
if (n) |
|
num_read = read(el->el_infd, cp, 1); |
|
else |
|
num_read = 0; |
|
#elif defined(F_SETFL) && defined(O_NDELAY) |
|
if ((n = fcntl(el->el_infd, F_GETFL, 0)) < 0) |
|
return(-1); |
|
if (fcntl(el->el_infd, F_SETFL, n|O_NDELAY) < 0) |
|
return(-1); |
|
num_read = read(el->el_infd, cp, 1); |
|
if (fcntl(el->el_infd, F_SETFL, n)) |
|
return(-1); |
|
#else |
|
/* not non-blocking, but what you gonna do? */ |
|
num_read = read(el->el_infd, cp, 1); |
|
return(-1); |
|
#endif |
|
|
|
if (num_read < 0 && errno == EAGAIN) |
|
continue; |
|
if (num_read == 0) |
|
continue; |
|
break; |
|
} |
|
if (!rl_event_hook) |
|
el_set(el, EL_GETCFN, EL_BUILTIN_GETCFN); |
|
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); |
|
if (cols) |
|
el_get(e, EL_GETTC, "co", cols); |
|
} |
|
|
|
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); |
|
(void)snprintf(buf, sizeof(buf), "%d", cols); |
|
el_set(e, EL_SETTC, "co", buf); |
|
} |
|
|
|
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 = 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 = 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] = malloc(min + 1)) == NULL) |
|
goto out; |
|
(void)memcpy(list[0], list[1], min); |
|
list[0][min] = '\0'; |
|
} |
|
return list; |
|
|
|
out: |
|
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); |
|
} |
|
|
|
int |
|
/*ARGSUSED*/ |
|
rl_kill_text(int from, int to) |
|
{ |
|
return 0; |
|
} |
|
|
|
Keymap |
|
rl_make_bare_keymap(void) |
|
{ |
|
return NULL; |
|
} |
|
|
|
Keymap |
|
rl_get_keymap(void) |
|
{ |
|
return NULL; |
|
} |
|
|
|
void |
|
/*ARGSUSED*/ |
|
rl_set_keymap(Keymap k) |
|
{ |
|
} |
|
|
|
int |
|
/*ARGSUSED*/ |
|
rl_generic_bind(int type, const char * keyseq, const char * data, Keymap k) |
|
{ |
|
return 0; |
|
} |
|
|
|
int |
|
/*ARGSUSED*/ |
|
rl_bind_key_in_map(int key, Function *fun, Keymap k) |
|
{ |
|
return 0; |
|
} |