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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"
#ifdef HAVE_LIBREADLINE
# ifdef HAVE_READLINE_READLINE_H
# include <readline/readline.h>
# ifdef HAVE_READLINE_HISTORY_H
# include <readline/history.h>
# endif
# else
# ifdef HAVE_READLINE_H
# include <readline.h>
# ifdef HAVE_HISTORY_H
# include <history.h>
# endif
# else
# undef HAVE_LIBREADLINE
# endif
# endif
#endif
/****************************************************************************
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) {
rl_attempted_completion_function = 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
****************************************************************************/
void 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
}
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