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df4e6c9bcc
#ifdef mess...) in readline.c, we don't need or use them in the rest of Samba. (This OK was of course conditional on 'if you break it, you better fix it...') Andrew Bartlett (This used to be commit 55ee289f587f107fa03c5f889491fdaab101df2d)
138 lines
3.8 KiB
C
138 lines
3.8 KiB
C
/*
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Unix SMB/CIFS implementation.
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Samba readline wrapper implementation
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Copyright (C) Simo Sorce 2001
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Copyright (C) Andrew Tridgell 2001
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "includes.h"
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#ifdef HAVE_LIBREADLINE
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# ifdef HAVE_READLINE_READLINE_H
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# include <readline/readline.h>
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# ifdef HAVE_READLINE_HISTORY_H
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# include <readline/history.h>
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# endif
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# else
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# ifdef HAVE_READLINE_H
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# include <readline.h>
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# ifdef HAVE_HISTORY_H
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# include <history.h>
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# endif
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# else
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# undef HAVE_LIBREADLINE
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# endif
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# endif
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#endif
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#ifdef HAVE_NEW_LIBREADLINE
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# define RL_COMPLETION_CAST (rl_completion_func_t *)
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#else
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/* This type is missing from libreadline<4.0 (approximately) */
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# define RL_COMPLETION_CAST
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#endif /* HAVE_NEW_LIBREADLINE */
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/****************************************************************************
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Display the prompt and wait for input. Call callback() regularly
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****************************************************************************/
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static char *smb_readline_replacement(char *prompt, void (*callback)(void),
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char **(completion_fn)(char *text, int start, int end))
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{
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fd_set fds;
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static pstring line;
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struct timeval timeout;
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int fd = fileno(stdin);
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char *ret;
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x_fprintf(dbf, "%s", prompt);
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x_fflush(dbf);
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while (1) {
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timeout.tv_sec = 5;
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timeout.tv_usec = 0;
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FD_ZERO(&fds);
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FD_SET(fd,&fds);
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if (sys_select_intr(fd+1,&fds,NULL,NULL,&timeout) == 1) {
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ret = fgets(line, sizeof(line), stdin);
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return ret;
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}
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if (callback)
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callback();
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}
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}
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/****************************************************************************
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Display the prompt and wait for input. Call callback() regularly.
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****************************************************************************/
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char *smb_readline(char *prompt, void (*callback)(void),
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char **(completion_fn)(char *text, int start, int end))
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{
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#if HAVE_LIBREADLINE
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if (isatty(fileno(stdin))) {
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char *ret;
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/* Aargh! Readline does bizzare things with the terminal width
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that mucks up expect(1). Set CLI_NO_READLINE in the environment
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to force readline not to be used. */
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if (getenv("CLI_NO_READLINE"))
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return smb_readline_replacement(prompt, callback, completion_fn);
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if (completion_fn) {
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/* The callback prototype has changed slightly between
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different versions of Readline, so the same function
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works in all of them to date, but we get compiler
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warnings in some. */
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rl_attempted_completion_function = RL_COMPLETION_CAST completion_fn;
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}
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if (callback)
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rl_event_hook = (Function *)callback;
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ret = readline(prompt);
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if (ret && *ret)
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add_history(ret);
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return ret;
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} else
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#endif
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return smb_readline_replacement(prompt, callback, completion_fn);
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}
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/****************************************************************************
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history
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****************************************************************************/
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int cmd_history(void)
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{
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#if defined(HAVE_LIBREADLINE)
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HIST_ENTRY **hlist;
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int i;
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hlist = history_list();
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for (i = 0; hlist && hlist[i]; i++) {
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DEBUG(0, ("%d: %s\n", i, hlist[i]->line));
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}
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#else
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DEBUG(0,("no history without readline support\n"));
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#endif
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return 0;
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}
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