2 Unix SMB/CIFS implementation.
3 Samba readline wrapper implementation
4 Copyright (C) Simo Sorce 2001
5 Copyright (C) Andrew Tridgell 2001
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>.
23 #ifdef HAVE_LIBREADLINE
24 # ifdef HAVE_READLINE_READLINE_H
25 # include <readline/readline.h>
26 # ifdef HAVE_READLINE_HISTORY_H
27 # include <readline/history.h>
30 # ifdef HAVE_READLINE_H
31 # include <readline.h>
32 # ifdef HAVE_HISTORY_H
36 # undef HAVE_LIBREADLINE
41 #ifdef HAVE_NEW_LIBREADLINE
42 # define RL_COMPLETION_CAST (rl_completion_func_t *)
44 /* This type is missing from libreadline<4.0 (approximately) */
45 # define RL_COMPLETION_CAST
46 #endif /* HAVE_NEW_LIBREADLINE */
48 /****************************************************************************
49 Display the prompt and wait for input. Call callback() regularly
50 ****************************************************************************/
52 static char *smb_readline_replacement(const char *prompt, void (*callback)(void),
53 char **(completion_fn)(const char *text, int start, int end))
57 struct timeval timeout;
58 int fd = x_fileno(x_stdin);
61 /* Prompt might be NULL in non-interactive mode. */
63 x_fprintf(x_stdout, "%s", prompt);
67 line = (char *)SMB_MALLOC(BUFSIZ);
79 if (sys_select_intr(fd+1,&fds,NULL,NULL,&timeout) == 1) {
80 ret = x_fgets(line, BUFSIZ, x_stdin);
92 /****************************************************************************
93 Display the prompt and wait for input. Call callback() regularly.
94 ****************************************************************************/
96 char *smb_readline(const char *prompt, void (*callback)(void),
97 char **(completion_fn)(const char *text, int start, int end))
102 interactive = isatty(x_fileno(x_stdin)) || getenv("CLI_FORCE_INTERACTIVE");
104 return smb_readline_replacement(NULL, callback, completion_fn);
109 /* Aargh! Readline does bizzare things with the terminal width
110 that mucks up expect(1). Set CLI_NO_READLINE in the environment
111 to force readline not to be used. */
113 if (getenv("CLI_NO_READLINE"))
114 return smb_readline_replacement(prompt, callback, completion_fn);
117 /* The callback prototype has changed slightly between
118 different versions of Readline, so the same function
119 works in all of them to date, but we get compiler
121 rl_attempted_completion_function = RL_COMPLETION_CAST completion_fn;
124 #if HAVE_DECL_RL_EVENT_HOOK
126 rl_event_hook = (Function *)callback;
128 ret = readline(prompt);
133 ret = smb_readline_replacement(prompt, callback, completion_fn);
139 /****************************************************************************
140 * return line buffer text
141 ****************************************************************************/
142 const char *smb_readline_get_line_buffer(void)
144 #if defined(HAVE_LIBREADLINE)
145 return rl_line_buffer;
152 /****************************************************************************
153 * set completion append character
154 ***************************************************************************/
155 void smb_readline_ca_char(char c)
157 #if defined(HAVE_LIBREADLINE)
158 rl_completion_append_character = c;
162 /****************************************************************************
164 ****************************************************************************/
165 int cmd_history(void)
167 #if defined(HAVE_LIBREADLINE) && defined(HAVE_HISTORY_LIST)
171 hlist = history_list();
173 for (i = 0; hlist && hlist[i]; i++) {
174 DEBUG(0, ("%d: %s\n", i, hlist[i]->line));
177 DEBUG(0,("no history without readline support\n"));