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/*
Unix SMB/Netbios implementation.
Version 3.0
Samba readline wrapper implementation
Copyright (C) Simo Sorce 2001
Copyright (C) Andrew Tridgell 2001
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "includes.h"
/****************************************************************************
display the prompt and wait for input. Call callback() regularly
****************************************************************************/
static char *smb_readline_replacement(char *prompt, void (*callback)(void),
char **(completion_fn)(char *text,
int start,
int end))
{
fd_set fds;
static pstring line;
struct timeval timeout;
int fd = fileno(stdin);
char *ret;
x_fprintf(dbf, "%s", prompt);
x_fflush(dbf);
while (1) {
timeout.tv_sec = 5;
timeout.tv_usec = 0;
FD_ZERO(&fds);
FD_SET(fd,&fds);
if (sys_select_intr(fd+1,&fds,&timeout) == 1) {
ret = fgets(line, sizeof(line), stdin);
return ret;
}
if (callback) callback();
}
}
/****************************************************************************
display the prompt and wait for input. Call callback() regularly
****************************************************************************/
char *smb_readline(char *prompt, void (*callback)(void),
char **(completion_fn)(char *text, int start, int end))
{
#if HAVE_LIBREADLINE
char *ret;
/* Aargh! Readline does bizzare things with the terminal width
that mucks up expect(1). Set CLI_NO_READLINE in the environment
to force readline not to be used. */
if (getenv("CLI_NO_READLINE"))
return smb_readline_replacement(prompt, callback,
completion_fn);
if (completion_fn) {
/* The cast is here because the callback prototype has
changed slightly between different versions of
Readline. The same function works in all of them
to date, but we get compiler warnings without the
cast. */
rl_attempted_completion_function =
(rl_completion_func_t *) completion_fn;
}
if (callback) rl_event_hook = (Function *)callback;
ret = readline(prompt);
if (ret && *ret) add_history(ret);
return ret;
#else
return smb_readline_replacement(prompt, callback, completion_fn);
#endif
}
/****************************************************************************
history
****************************************************************************/
int cmd_history(void)
{
#if defined(HAVE_LIBREADLINE)
HIST_ENTRY **hlist;
int i;
hlist = history_list();
for (i = 0; hlist && hlist[i]; i++) {
DEBUG(0, ("%d: %s\n", i, hlist[i]->line));
}
#else
DEBUG(0,("no history without readline support\n"));
#endif
return 0;
}
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