Exemple #1
0
/* finds and print all occurencies of commands from the history which
 * start with <cmd>
 * Returns the number of found entries on success,
 * and 0 if no such entry exists
 *
 * Peter Weilbacher 28Jun2004
 */
int
history_find_all(char *cmd)
{
    int len;
    int found;
    int number = 0; /* each found entry increases this */

    /* quote removal, copied from non-readline version */
    if (*cmd == '"') cmd++;
    if (!*cmd) return 0;
    len = strlen(cmd);
    if (cmd[len - 1] == '"') cmd[--len] = 0;
    if (!*cmd) return 0;
    /* printf ("searching for all occurrences of '%s'\n", cmd); */

    /* Output matching history entries in chronological order (not backwards
     * so we have to start at the beginning of the history list.
     */
    history_set_pos(0);
    do {
        found = history_search_prefix(cmd, 1); /* Anchored backward search for prefix */
        if (found == 0) {
            number++;
            printf("%5i  %s\n", where_history() + history_base, current_history()->line);
            /* go one step back or you find always the same entry. */
            if (!history_set_pos(where_history() + 1))
                break; /* finished if stepping didn't work */
        } /* (found == 0) */
    } while (found > -1);

    return number;
}
Exemple #2
0
int _el_display_prev_hist()
{
  if (where_history() > 0) {
    if (!_el_w2mb(_el_line_buffer, &rl_line_buffer)) {
      return -1;
    }
    replace_history_entry(where_history(), rl_line_buffer, NULL);
    _el_previous_history();
    _el_display_history();
  }
  
  return 0;
}
Exemple #3
0
int _el_display_first_hist()
{
  if (where_history() > 0) {
    if (!_el_w2mb(_el_line_buffer, &rl_line_buffer)) {
      return -1;
    }
    replace_history_entry(where_history(), rl_line_buffer, NULL);
    _el_history_set_pos(1);
    _el_display_history();
  }
  
  return 0;
}
Exemple #4
0
int _el_display_last_hist()
{
  if (where_history() < history_length()) {
    if (!_el_w2mb(_el_line_buffer, &rl_line_buffer)) {
      return -1;
    }
    replace_history_entry(where_history(), rl_line_buffer, NULL);
    _el_history_set_pos(history_length() + 1);
    _el_display_history();
  }
  
  return 0;
}
Exemple #5
0
int _el_display_next_hist()
{
    if (where_history() < (history_length() - 1)) {
        if (!_el_w2mb(_el_line_buffer, &rl_line_buffer)) {
            return -1;
        }
        replace_history_entry(where_history(), rl_line_buffer, NULL);
        next_history();
        _el_display_history();
    }

    return 0;
}
Exemple #6
0
/* finds and print all occurencies of commands from the history which
 * start with <cmd>
 * Returns the number of found entries on success,
 * and 0 if no such entry exists
 *
 * Peter Weilbacher 28Jun2004
 */
int
history_find_all(char *cmd)
{
    int len;
    int found;
    int number = 0; /* each found entry increases this */

    /* quote removal, copied from non-readline version */
    if (*cmd == '"') cmd++;
    if (!*cmd) return 0;
    len = strlen(cmd);
    if (cmd[len - 1] == '"') cmd[--len] = 0;
    if (!*cmd) return 0;
    /* printf ("searching for all occurrences of '%s'\n", cmd); */

    /* Output matching history entries in chronological order (not backwards
     * so we have to start at the beginning of the history list.
     */
#if defined(HAVE_LIBREADLINE)
    found = history_set_pos(0);
    if (found == -1) {
        fprintf(stderr, "ERROR (history_find_all): could not rewind history\n");
        return 0;
    }
#else /* HAVE_LIBEDITLINE */
    /* libedit's history_set_pos() does not work properly,
       so we manually go to oldest entry */
    while (next_history());
#endif
    do {
        found = history_search_prefix(cmd, 1); /* Anchored backward search for prefix */
        if (found == 0) {
            number++;
#if defined(HAVE_LIBREADLINE)
            printf("%5i  %s\n", where_history() + history_base, current_history()->line);
            /* go one step back or you find always the same entry. */
            if (!history_set_pos(where_history() + 1))
                break; /* finished if stepping didn't work */
#else /* HAVE_LIBEDITLINE */
            /* libedit's history indices are reversed wrt GNU readline */
            printf("%5i  %s\n", history_length - where_history() + history_base, current_history()->line);
            /* go one step back or you find always the same entry. */
            if (!previous_history())
                break; /* finished if stepping didn't work */
#endif
        } /* (found == 0) */
    } while (found > -1);

    return number;
}
Exemple #7
0
/* Load the history list from the history file. */
void
load_history ()
{
  char *hf;

  /* Truncate history file for interactive shells which desire it.
     Note that the history file is automatically truncated to the
     size of HISTSIZE if the user does not explicitly set the size
     differently. */
  set_if_not ("HISTFILESIZE", get_string_value ("HISTSIZE"));
  stupidly_hack_special_variables ("HISTFILESIZE");

  /* Read the history in HISTFILE into the history list. */
  hf = get_string_value ("HISTFILE");

  if (hf && *hf)
    {
      struct stat buf;

      if (stat (hf, &buf) == 0)
	{
	  read_history (hf);
	  using_history ();
	  history_lines_in_file = where_history ();
	}
    }
}
void edit_deinit(const char *history_file,
		 int (*filter_cb)(void *ctx, const char *cmd))
{
	rl_callback_handler_remove();
	readline_free_completions();

	eloop_unregister_read_sock(STDIN_FILENO);

	if (history_file) {
		/* Save command history, excluding lines that may contain
		 * passwords. */
		HIST_ENTRY *h;
		history_set_pos(0);
		while ((h = current_history())) {
			char *p = h->line;
			while (*p == ' ' || *p == '\t')
				p++;
			if (filter_cb && filter_cb(edit_cb_ctx, p)) {
				h = remove_history(where_history());
				if (h) {
					os_free(h->line);
					free(h->data);
					os_free(h);
				} else
					next_history();
			} else
				next_history();
		}
		write_history(history_file);
	}
}
Exemple #9
0
/* Search the history list for STRING starting at absolute history position
   POS.  If STRING begins with `^', the search must match STRING at the
   beginning of a history line, otherwise a full substring match is performed
   for STRING.  DIR < 0 means to search backwards through the history list,
   DIR >= 0 means to search forward. */
static int
noninc_search_from_pos (char *string, int pos, int dir)
{
  int ret, old;

  old = where_history ();
  history_set_pos (pos);

  if (*string == '^')
    ret = history_search_prefix (string + 1, dir);
  else
    ret = history_search (string, dir);

  if (ret != -1)
    ret = where_history ();

  history_set_pos (old);
  return (ret);
}
static int previoushistory(lua_State *L)
{
  HIST_ENTRY *hist;
  if (!where_history())
    hist = current_history();
  else
    hist = previous_history();
  push_history(L, hist);
  return 1;
}
Exemple #11
0
/* Search for a line in the history containing STRING.  If DIR is < 0, the
   search is backwards through previous entries, else through subsequent
   entries. */
static void
noninc_dosearch (char *string, int dir)
{
  int oldpos, pos;
  HIST_ENTRY *entry;

  if (string == 0 || *string == '\0' || noninc_history_pos < 0)
    {
      DING ();
      return;
    }

  pos = noninc_search_from_pos (string, noninc_history_pos + dir, dir);
  if (pos == -1)
    {
      /* Search failed, current history position unchanged. */
      maybe_unsave_line ();
      rl_clear_message ();
      rl_point = 0;
      DING ();
      return;
    }

  noninc_history_pos = pos;

  oldpos = where_history ();
  history_set_pos (noninc_history_pos);
  entry = current_history ();
#if defined (VI_MODE)
  if (rl_editing_mode != vi_mode)
#endif
  history_set_pos (oldpos);

  {
    int line_len;

    line_len = strlen (entry->line);
    if (line_len >= rl_line_buffer_len)
      rl_extend_line_buffer (line_len);
    strcpy (rl_line_buffer, entry->line);
  }

  rl_undo_list = (UNDO_LIST *)entry->data;
  rl_end = strlen (rl_line_buffer);
  rl_point = 0;
  rl_clear_message ();

  if (saved_line_for_history)
    _rl_free_history_entry (saved_line_for_history);
  saved_line_for_history = (HIST_ENTRY *)NULL;
}
Exemple #12
0
static void add_history_permanent(char *input) {
    if (!input || !*input) return;
    if (last_hist_is_temp) {
        history_rem(history_length);
        last_hist_is_temp = 0;
    }
    last_hist_offset = -1;
    HIST_ENTRY *entry = history_get(history_length);
    if (entry && !strcmp(input, entry->line)) return;
    last_hist_offset = where_history();
    add_history(input);
    if (history_file)
        append_history(1, history_file);
}
Exemple #13
0
//------------------------------------------------------------------------------
static int find_duplicate(const char* line)
{
    HIST_ENTRY* hist_entry;

    using_history();
    while (hist_entry = previous_history())
    {
        if (strcmp(hist_entry->line, line) == 0)
        {
            return where_history();
        }
    }

    return -1;
}
Exemple #14
0
/* Perhaps put back the current line if it has changed. */
int
rl_maybe_replace_line (void)
{
  HIST_ENTRY *temp;

  temp = current_history ();
  /* If the current line has changed, save the changes. */
  if (temp && ((UNDO_LIST *)(temp->data) != rl_undo_list))
    {
      temp = replace_history_entry (where_history (), rl_line_buffer, (histdata_t)rl_undo_list);
      xfree (temp->line);
      FREE (temp->timestamp);
      xfree (temp);
    }
  return 0;
}
Exemple #15
0
/* Process and free undo lists attached to each history entry prior to the
   current entry, inclusive, reverting each line to its saved state.  This 
   is destructive, and state about the current line is lost.  This is not
   intended to be called while actively editing, and the current line is
   not assumed to have been added to the history list. */
void
_rl_revert_all_lines (void)
{
  int hpos;
  HIST_ENTRY *entry;
  UNDO_LIST *ul, *saved_undo_list;
  char *lbuf;

  lbuf = savestring (rl_line_buffer);
  saved_undo_list = rl_undo_list;
  hpos = where_history ();

  entry = (hpos == history_length) ? previous_history () : current_history ();
  while (entry)
    {
      if (ul = (UNDO_LIST *)entry->data)
	{
	  if (ul == saved_undo_list)
	    saved_undo_list = 0;
	  /* Set up rl_line_buffer and other variables from history entry */
	  rl_replace_from_history (entry, 0);	/* entry->line is now current */
	  entry->data = 0;			/* entry->data is now current undo list */
	  /* Undo all changes to this history entry */
	  while (rl_undo_list)
	    rl_do_undo ();
	  /* And copy the reverted line back to the history entry, preserving
	     the timestamp. */
	  FREE (entry->line);
	  entry->line = savestring (rl_line_buffer);
	}
      entry = previous_history ();
    }

  /* Restore history state */
  rl_undo_list = saved_undo_list;	/* may have been set to null */
  history_set_pos (hpos);
  
  /* reset the line buffer */
  rl_replace_line (lbuf, 0);
  _rl_set_the_line ();

  /* and clean up */
  xfree (lbuf);
}  
Exemple #16
0
/* If this is an interactive shell, then append the lines executed
   this session to the history file. */
int
maybe_save_shell_history ()
{
  int result = 0;

  if (history_lines_this_session)
    {
      char *hf = get_string_value ("HISTFILE");

      if (hf && *hf)
	{
	  struct stat buf;

	  /* If the file doesn't exist, then create it. */
	  if (stat (hf, &buf) == -1)
	    {
	      int file = open (hf, O_CREAT | O_TRUNC | O_WRONLY, 0666);
	      if (file != -1)
		close (file);
	    }

	  /* Now actually append the lines if the history hasn't been
	     stifled.  If the history has been stifled, rewrite the
	     history file. */
	  using_history ();
	  if (history_lines_this_session <= where_history ())
	    {
	      result = append_history (history_lines_this_session, hf);
	      history_lines_in_file += history_lines_this_session;
	    }
	  else
	    {
	      result = write_history (hf);
	      history_lines_in_file = history_lines_this_session;
	    }
	  history_lines_this_session = 0;
	}
    }
  return (result);
}
Exemple #17
0
/* Write the existing history out to the history file. */
void
save_history ()
{
  char *hf = get_string_value ("HISTFILE");

  if (hf && *hf)
    {
      struct stat buf;

      if (stat (hf, &buf) == 0)
	{
	  /* Append only the lines that occurred this session to
	     the history file. */
	  using_history ();

	  if (history_lines_this_session < where_history ())
	    append_history (history_lines_this_session, hf);
	  else
	    write_history (hf);
	}
    }
}
Exemple #18
0
/* With an argument, move back that many history lines, else move to the
   beginning of history. */
int
rl_vi_fetch_history (int count, int c)
{
  int current = where_history ();

  /* Giving an argument of n means we want the nth command in the history
     file.  The command number is interpreted the same way that the bash
     `history' command does it -- that is, giving an argument count of 450
     to this command would get the command listed as number 450 in the
     output of `history'. */
  if (rl_explicit_arg)
    {
      int wanted = history_base + current - count;
      if (wanted <= 0)
        rl_beginning_of_history (0, 0);
      else
        rl_get_previous_history (wanted, c);
    }
  else
    rl_beginning_of_history (count, 0);
  return (0);
}
Exemple #19
0
/* Meta-< goes to the start of the history. */
int
rl_beginning_of_history (int count, int key)
{
  return (rl_get_previous_history (1 + where_history (), key));
}
Exemple #20
0
static int
handle_hotkey2(int UNUSED(count), int hotkey, int ignore_history)
{
  char *prefix, *postfix, *history,  *histpos_as_string, *executing_keyseq;
  char *new_prefix, *new_postfix, *new_history, *new_histpos_as_string, *message; 
  char *filter_food, *filtered, **fragments,  *new_rl_line_buffer;
  int length, new_histpos;
  unsigned long int hash;

  static const unsigned int MAX_HISTPOS_DIGITS = 6; /* one million history items should suffice */

  
#ifdef HAVE_RL_EXECUTING_KEYSEQ /* i.e. if readline version is >= 6.3 */
  executing_keyseq = mysavestring(rl_executing_keyseq);
#else
  executing_keyseq = mysavestring("?");
  *executing_keyseq = hotkey; /* The filter will only get the *last* byte of the key sequence that triggered rl_handle_hotkey */ 
#endif

    
  DPRINTF3(DEBUG_READLINE, "hotkey press (ignore_history == %d): %x (%s)", ignore_history, hotkey, mangle_string_for_debug_log(executing_keyseq, MANGLE_LENGTH));

  if (hotkey == '\t') /* this would go horribly wrong with all the splitting on '\t' going on.... @@@ or pass key as a string e.g. "009" */
    myerror(FATAL | NOERRNO, "Sorry, you cannot use TAB as an hotkey in rlwrap");


  prefix = mysavestring(rl_line_buffer);
  prefix[rl_point] = '\0';                                     /* chop off just before cursor */
  postfix = mysavestring(rl_line_buffer + rl_point);

  if (ignore_history) {
    histpos_as_string = mysavestring("0");
    history = mysavestring("");
  } else {
    histpos_as_string = as_string(where_history());
    assert(strlen(histpos_as_string) <= MAX_HISTPOS_DIGITS);
    history = entire_history_as_one_string();
    hash = hash_multiple(2, history, histpos_as_string);
  }     

  /* filter_food = key + tab + prefix + tab + postfix + tab + history + tab + histpos  + '\0' */
  length = strlen(rl_line_buffer) + strlen(history) + MAX_HISTPOS_DIGITS + 5; 
  filter_food = mymalloc(length);   
  sprintf(filter_food, "%s\t%s\t%s\t%s\t%s", executing_keyseq, prefix, postfix, history, histpos_as_string); /* this is the format that the filter expects */

  /* let the filter filter ...! */
  filtered= pass_through_filter(TAG_HOTKEY, filter_food);
  
  /* OK, we now have to read back everything. There should be exactly 5 TAB-separated components*/
  fragments = split_on_single_char(filtered, '\t', 5);
  message               = fragments[0];
  new_prefix            = fragments[1];
  new_postfix           = fragments[2];
  new_history           = fragments[3];
  new_histpos_as_string = fragments[4];

  if (!ignore_history && hash_multiple(2, new_history, new_histpos_as_string) != hash) { /* history has been rewritten */
    char **linep, **history_lines = split_on_single_char(new_history, '\n', 0);
    DPRINTF3(DEBUG_READLINE, "hash=%lx, new_history is %d bytes long, histpos <%s>", hash, (int) strlen(new_history), new_histpos_as_string);
    clear_history();
    for (linep = history_lines; *linep; linep++) 
      add_history(*linep);
    new_histpos = my_atoi(new_histpos_as_string);
    history_set_pos(new_histpos);
    free_splitlist(history_lines);
  }
  new_rl_line_buffer = add2strings(new_prefix, new_postfix);

  if ( (length = strlen(new_rl_line_buffer)) > 0  &&  new_rl_line_buffer[length - 1] == '\n') {
    new_rl_line_buffer[length - 1] = '\0';
    rl_done = TRUE;
    return_key = (char) '\n';
    assert(strchr(new_rl_line_buffer, '\n') == NULL);
  }

  rl_delete_text(0, strlen(rl_line_buffer));
  rl_point = 0;
  rl_insert_text(new_rl_line_buffer);
  rl_point = strlen(new_rl_line_buffer);

  
  
  if (*message && *message != hotkey) {                          /* if message has been set (i.e. != hotkey) , and isn't empty: */ 
    message = append_and_free_old(mysavestring(message), " ");   /* put space (for readability) between the message and the input line .. */
    message_in_echo_area(message);                          /* .. then write it to echo area */
  }     

  clear_line();
  rl_on_new_line();
  rl_redisplay();
 

  free_splitlist(fragments);                                   /* this will free all the fragments (and the list itself) in one go  */
  free_multiple(prefix, postfix, filter_food, executing_keyseq, filtered, new_rl_line_buffer, history, histpos_as_string, FMEND);
  return 0;
}
static void wpa_cli_reconnect(void)
{
	wpa_cli_close_connection();
	ctrl_conn = wpa_cli_open_connection(ctrl_ifname);
	if (ctrl_conn) {
		printf("Connection to wpa_supplicant re-established\n");
#ifdef ANDROID
		if (wpa_ctrl_attach(monitor_conn) == 0) {
#else
		if (wpa_ctrl_attach(ctrl_conn) == 0) {
#endif
			wpa_cli_attached = 1;
		} else {
			printf("Warning: Failed to attach to "
			       "wpa_supplicant.\n");
		}
	}
}


static void wpa_cli_recv_pending(struct wpa_ctrl *ctrl, int in_read,
				 int action_monitor)
{
	int first = 1;
#ifdef ANDROID
	if (ctrl == NULL) {
#else
	if (ctrl_conn == NULL) {
#endif 
		wpa_cli_reconnect();
		return;
	}
	while (wpa_ctrl_pending(ctrl) > 0) {
		char buf[256];
		size_t len = sizeof(buf) - 1;
		if (wpa_ctrl_recv(ctrl, buf, &len) == 0) {
			buf[len] = '\0';
			if (action_monitor)
				wpa_cli_action_process(buf);
			else {
				if (in_read && first)
					printf("\n");
				first = 0;
				printf("%s\n", buf);
			}
		} else {
			printf("Could not read pending message.\n");
			break;
		}
	}

	if (wpa_ctrl_pending(ctrl) < 0) {
		printf("Connection to wpa_supplicant lost - trying to "
		       "reconnect\n");
		wpa_cli_reconnect();
	}
}


#ifdef CONFIG_READLINE
static char * wpa_cli_cmd_gen(const char *text, int state)
{
	static int i, len;
	const char *cmd;

	if (state == 0) {
		i = 0;
		len = os_strlen(text);
	}

	while ((cmd = wpa_cli_commands[i].cmd)) {
		i++;
		if (os_strncasecmp(cmd, text, len) == 0)
			return os_strdup(cmd);
	}

	return NULL;
}


static char * wpa_cli_dummy_gen(const char *text, int state)
{
	return NULL;
}


static char ** wpa_cli_completion(const char *text, int start, int end)
{
	return rl_completion_matches(text, start == 0 ?
				     wpa_cli_cmd_gen : wpa_cli_dummy_gen);
}
#endif /* CONFIG_READLINE */


static void wpa_cli_interactive(void)
{
#define max_args 10
	char cmdbuf[256], *cmd, *argv[max_args], *pos;
	int argc;
#ifdef CONFIG_READLINE
	char *home, *hfile = NULL;
#endif /* CONFIG_READLINE */

	printf("\nInteractive mode\n\n");

#ifdef CONFIG_READLINE
	rl_attempted_completion_function = wpa_cli_completion;
	home = getenv("HOME");
	if (home) {
		const char *fname = ".wpa_cli_history";
		int hfile_len = os_strlen(home) + 1 + os_strlen(fname) + 1;
		hfile = os_malloc(hfile_len);
		if (hfile) {
			int res;
			res = os_snprintf(hfile, hfile_len, "%s/%s", home,
					  fname);
			if (res >= 0 && res < hfile_len) {
				hfile[hfile_len - 1] = '\0';
				read_history(hfile);
				stifle_history(100);
			}
		}
	}
#endif /* CONFIG_READLINE */

	do {
#ifdef ANDROID
		wpa_cli_recv_pending(monitor_conn, 0, 0);
#else
		wpa_cli_recv_pending(ctrl_conn, 0, 0);
#endif
#ifndef CONFIG_NATIVE_WINDOWS
		alarm(ping_interval);
#endif /* CONFIG_NATIVE_WINDOWS */
#ifdef CONFIG_READLINE
		cmd = readline("> ");
		if (cmd && *cmd) {
			HIST_ENTRY *h;
			while (next_history())
				;
			h = previous_history();
			if (h == NULL || os_strcmp(cmd, h->line) != 0)
				add_history(cmd);
			next_history();
		}
#else /* CONFIG_READLINE */
		printf("> ");
		cmd = fgets(cmdbuf, sizeof(cmdbuf), stdin);
#endif /* CONFIG_READLINE */
#ifndef CONFIG_NATIVE_WINDOWS
		alarm(0);
#endif /* CONFIG_NATIVE_WINDOWS */
		if (cmd == NULL)
			break;
#ifdef ANDROID
		wpa_cli_recv_pending(monitor_conn, 0, 0);
#else
		wpa_cli_recv_pending(ctrl_conn, 0, 0);
#endif
		pos = cmd;
		while (*pos != '\0') {
			if (*pos == '\n') {
				*pos = '\0';
				break;
			}
			pos++;
		}
		argc = 0;
		pos = cmd;
		for (;;) {
			while (*pos == ' ')
				pos++;
			if (*pos == '\0')
				break;
			argv[argc] = pos;
			argc++;
			if (argc == max_args)
				break;
			if (*pos == '"') {
				char *pos2 = os_strrchr(pos, '"');
				if (pos2)
					pos = pos2 + 1;
			}
			while (*pos != '\0' && *pos != ' ')
				pos++;
			if (*pos == ' ')
				*pos++ = '\0';
		}
		if (argc)
			wpa_request(ctrl_conn, argc, argv);

		if (cmd != cmdbuf)
			os_free(cmd);
	} while (!wpa_cli_quit);

#ifdef CONFIG_READLINE
	if (hfile) {
		/* Save command history, excluding lines that may contain
		 * passwords. */
		HIST_ENTRY *h;
		history_set_pos(0);
		while ((h = current_history())) {
			char *p = h->line;
			while (*p == ' ' || *p == '\t')
				p++;
			if (cmd_has_sensitive_data(p)) {
				h = remove_history(where_history());
				if (h) {
					os_free(h->line);
					os_free(h->data);
					os_free(h);
				} else
					next_history();
			} else
				next_history();
		}
		write_history(hfile);
		os_free(hfile);
	}
#endif /* CONFIG_READLINE */
}
Exemple #22
0
debug_return_t enter_debugger (target_stack_node_t *p, 
			       file_t *p_target, int errcode,
			       debug_enter_reason_t reason)
{
  debug_return_t debug_return = debug_readloop;
  static bool b_init = false;
  static bool b_readline_init = false;
  char open_depth[MAX_NEST_DEPTH];
  char close_depth[MAX_NEST_DEPTH];
  unsigned int i = 0;

  last_stop_reason = reason;
  
  if ( in_debugger == DEBUGGER_QUIT_RC ) {
    return continue_execution;
  }
  
  if ( i_debugger_stepping > 1 || i_debugger_nexting > 1 ) {
    /* Don't stop unless we are here from a breakpoint. But
       do decrement the step count. */
    if (i_debugger_stepping)  i_debugger_stepping--;
    if (i_debugger_nexting)   i_debugger_nexting--;
    if (!p_target->tracing) return continue_execution;
  } else if ( !debugger_on_error 
	      && !(i_debugger_stepping || i_debugger_nexting) 
	      && p_target && !p_target->tracing && -2 != errcode )
    return continue_execution;
  
  /* Clear temporary breakpoints. */
  if (p_target && p_target->tracing & BRK_TEMP)
    switch(last_stop_reason) 
      {
      case DEBUG_BRKPT_AFTER_CMD:
      case DEBUG_BRKPT_BEFORE_PREREQ:
      case DEBUG_BRKPT_AFTER_PREREQ:
        p_target->tracing = BRK_NONE;
      default:
        ;
      }

#ifdef HAVE_LIBREADLINE
  if (use_readline_flag && !b_readline_init) {
      rl_initialize ();
      using_history ();
      add_history ("");
      b_readline_init = true;
  }
#endif
  if (!b_init) {
    cmd_initialize();
    file2lines.ht_size = 0;
    b_init = true;
  }


  /* Set initial frame position reporting area: 0 is bottom. */
  p_target_loc    = NULL;
  psz_target_name = "";
  i_stack_pos      = 0;

  p_stack = p_stack_top = p;
  p_floc_stack = p_stack_floc_top;

  /* Get the target name either from the stack top (preferred) or
     the passed in target.
   */
  if (p && p->p_target) {
    p_target_loc    = &(p->p_target->floc);  
    psz_target_name = (char *) p->p_target->name;
  } else if (p_target) {
    p_target_loc    = &(p_target->floc);
    psz_target_name = (char *) p_target->name;
  }

  for (i=0; i<=makelevel && i < MAX_NEST_DEPTH-5; i++) {
    open_depth[i]  = '<';
    close_depth[i] = '>';
  }

  if ( MAX_NEST_DEPTH - 5 == i ) {
    close_depth[i] = open_depth[i]  = '.'; i++;
    close_depth[i] = open_depth[i]  = '.'; i++;
    close_depth[i] = open_depth[i]  = '.'; i++;
  }
  
  open_depth[i] = close_depth[i] = '\0';

  in_debugger = true;

  if (errcode) {
    if (-1 == errcode) {
      printf("\n***Entering debugger because we encountered an error.\n");
    } else if (-2 == errcode) {
      if (0 == makelevel) {
	printf("\nMakefile terminated.\n");
	dbg_msg("Use q to quit or R to restart");
      } else {
	printf("\nMakefile finished at level %d. Use R to restart\n", 
	       makelevel);
	dbg_msg("the makefile at this level or 's', 'n', or 'F' to continue "
	       "in parent");
	in_debugger = DEBUGGER_QUIT_RC;
      }
    } else {
      printf("\n***Entering debugger because we encountered a fatal error.\n");
      dbg_errmsg("Exiting the debugger will exit make with exit code %d.", 
                 errcode);
    }
  }

  print_debugger_location(p_target, reason, NULL);

  /* Loop reading and executing lines until the user quits. */
  for ( debug_return = debug_readloop; 
	debug_return == debug_readloop || debug_return == debug_cmd_error; ) {
    char prompt[PROMPT_LENGTH];
    char *line=NULL;
    char *s;

    if (setjmp(debugger_loop))
      dbg_errmsg("Internal error jumped back to debugger loop");
    else {
    
#ifdef HAVE_LIBREADLINE
      if (use_readline_flag) {
        snprintf(prompt, PROMPT_LENGTH, "remake%s%d%s ", 
                 open_depth, where_history(), close_depth);
        
        line = readline (prompt);
      } else 
#endif
        {
          snprintf(prompt, PROMPT_LENGTH, "remake%s0%s ", open_depth, 
                   close_depth);
          printf("%s", prompt);
          if (line == NULL) line = calloc(1, 2048);
          line = fgets(line, 2048, stdin);
          if (NULL != line) chomp(line);
        }
      
      if ( line ) {
        if ( *(s=stripwhite(line)) ) {
          add_history (s);
          debug_return=execute_line(s);
        } else {
          add_history ("step");
          debug_return=dbg_cmd_step("");
        }
        free (line);
      } else {
        dbg_cmd_quit(NULL);
      }
    }
  }

  if (in_debugger != DEBUGGER_QUIT_RC)
    in_debugger=false;
  
  return debug_return;
}
Exemple #23
0
/* Search non-interactively through the history list.  DIR < 0 means to
   search backwards through the history of previous commands; otherwise
   the search is for commands subsequent to the current position in the
   history list.  PCHAR is the character to use for prompting when reading
   the search string; if not specified (0), it defaults to `:'. */
static void
noninc_search (int dir, int pchar)
{
  int saved_point, c, pmtlen;
  char *p;

  maybe_save_line ();
  saved_point = rl_point;

  /* Use the line buffer to read the search string. */
  rl_line_buffer[0] = 0;
  rl_end = rl_point = 0;

  /* XXX - this needs fixing to work with the prompt expansion stuff - XXX */
  pmtlen = (rl_prompt && *rl_prompt) ? strlen (rl_prompt) : 0;
  p = xmalloc (2 + pmtlen);
  if (pmtlen)
    strcpy (p, rl_prompt);
  p[pmtlen] = pchar ? pchar : ':';
  p[pmtlen + 1]  = '\0';

  rl_message (p, 0, 0);
  free (p);

  /* Read the search string. */
  while ((c = rl_read_key ()) != '\0')
    {
      switch (c)
	{
	case CTRL('H'):
	case RUBOUT:
	  if (rl_point == 0)
	    {
	      maybe_unsave_line ();
	      rl_clear_message ();
	      rl_point = saved_point;
	      return;
	    }
	  rl_rubout (1, c);
	  break;

	case CTRL('W'):
	  rl_unix_word_rubout (1, c);
	  break;

	case CTRL('U'):
	  rl_unix_line_discard (1, c);
	  break;

	case RETURN:
	case NEWLINE:
	  goto dosearch;
	  /* NOTREACHED */
	  break;

	case CTRL('C'):
	case CTRL('G'):
	  maybe_unsave_line ();
	  rl_clear_message ();
	  rl_point = saved_point;
	  DING ();
	  return;

	default:
	  rl_insert (1, c);
	  break;
	}
      rl_redisplay ();
    }

 dosearch:
  /* If rl_point == 0, we want to re-use the previous search string and
     start from the saved history position.  If there's no previous search
     string, punt. */
  if (rl_point == 0)
    {
      if (!noninc_search_string)
	{
	  DING ();
	  return;
	}
    }
  else
    {
      /* We want to start the search from the current history position. */
      noninc_history_pos = where_history ();
      if (noninc_search_string)
	free (noninc_search_string);
      noninc_search_string = strdup (rl_line_buffer);
    }

  noninc_dosearch (noninc_search_string, dir);
}
Exemple #24
0
static void wpa_cli_interactive(void)
{
#define max_args 10
	char cmdbuf[256], *cmd, *argv[max_args], *pos;
	int argc;
#ifdef CONFIG_READLINE
	char *home, *hfile = NULL;
#endif /* CONFIG_READLINE */

	printf("\nInteractive mode\n\n");

#ifdef CONFIG_READLINE
	rl_attempted_completion_function = wpa_cli_completion;
	home = getenv("HOME");
	if (home) {
		const char *fname = ".wpa_cli_history";
		int hfile_len = os_strlen(home) + 1 + os_strlen(fname) + 1;
		hfile = os_malloc(hfile_len);
		if (hfile) {
			os_snprintf(hfile, hfile_len, "%s/%s", home, fname);
			hfile[hfile_len - 1] = '\0';
			read_history(hfile);
			stifle_history(100);
		}
	}
#endif /* CONFIG_READLINE */

	do {
		wpa_cli_recv_pending(monitor_conn, 0, 0);
#ifndef CONFIG_NATIVE_WINDOWS
		alarm(1);
#endif /* CONFIG_NATIVE_WINDOWS */
#ifdef CONFIG_READLINE
		cmd = readline("> ");
		if (cmd && *cmd) {
			HIST_ENTRY *h;
			while (next_history())
				;
			h = previous_history();
			if (h == NULL || os_strcmp(cmd, h->line) != 0)
				add_history(cmd);
			next_history();
		}
#else /* CONFIG_READLINE */
		printf("> ");
		cmd = fgets(cmdbuf, sizeof(cmdbuf), stdin);
#endif /* CONFIG_READLINE */
#ifndef CONFIG_NATIVE_WINDOWS
		alarm(0);
#endif /* CONFIG_NATIVE_WINDOWS */
		if (cmd == NULL)
			break;
		wpa_cli_recv_pending(monitor_conn, 0, 0);
		pos = cmd;
		while (*pos != '\0') {
			if (*pos == '\n') {
				*pos = '\0';
				break;
			}
			pos++;
		}
		argc = 0;
		pos = cmd;
		for (;;) {
			while (*pos == ' ')
				pos++;
			if (*pos == '\0')
				break;
			argv[argc] = pos;
			argc++;
			if (argc == max_args)
				break;
			if (*pos == '"') {
				char *pos2 = os_strrchr(pos, '"');
				if (pos2)
					pos = pos2 + 1;
			}
			while (*pos != '\0' && *pos != ' ')
				pos++;
			if (*pos == ' ')
				*pos++ = '\0';
		}
		if (argc)
			wpa_request(ctrl_conn, argc, argv);

		if (cmd != cmdbuf)
			os_free(cmd);
	} while (!wpa_cli_quit);

#ifdef CONFIG_READLINE
	if (hfile) {
		/* Save command history, excluding lines that may contain
		 * passwords. */
		HIST_ENTRY *h;
		history_set_pos(0);
		h = next_history();
		while (h) {
			char *p = h->line;
			while (*p == ' ' || *p == '\t')
				p++;
			if (os_strncasecmp(p, "pa", 2) == 0 ||
			    os_strncasecmp(p, "o", 1) == 0 ||
			    os_strncasecmp(p, "n", 1)) {
				h = remove_history(where_history());
				if (h) {
					os_free(h->line);
					os_free(h->data);
					os_free(h);
				}
				h = current_history();
			} else {
				h = next_history();
			}
		}
		write_history(hfile);
		os_free(hfile);
	}
#endif /* CONFIG_READLINE */
}