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/* Get/set connection current working directory
Copyright (C) 1997, 1998 Free Software Foundation, Inc.
Written by Miles Bader <miles@gnu.ai.mit.edu>
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, 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 <unistd.h>
#include <errno.h>
#include <string.h>
#include <ftpconn.h>
#include "priv.h"
static error_t
_cache_cwd (struct ftp_conn *conn, int reopen)
{
int reply;
const char *txt;
error_t err =
(reopen ? ftp_conn_cmd_reopen : ftp_conn_cmd) (conn, "pwd", 0, &reply, &txt);
if (! err)
{
if (reply == REPLY_DIR_NAME)
{
char *cwd = malloc (strlen (txt));
if (! cwd)
err = ENOMEM;
else if (sscanf (txt, "\"%[^\"]\"", cwd) != 1)
err = EGRATUITOUS;
else
{
if (conn->cwd)
free (conn->cwd);
conn->cwd = cwd;
}
}
else
err = unexpected_reply (conn, reply, txt, 0);
}
return err;
}
/* Return a malloced string containing CONN's working directory in CWD. */
error_t
ftp_conn_get_cwd (struct ftp_conn *conn, char **cwd)
{
error_t err = 0;
if (! conn->cwd)
err = _cache_cwd (conn, 1);
if (! err)
{
*cwd = strdup (conn->cwd);
if (! *cwd)
err = ENOMEM;
}
return err;
}
/* Return a malloced string containing CONN's working directory in CWD. */
error_t
ftp_conn_cwd (struct ftp_conn *conn, const char *cwd)
{
error_t err = 0;
if (conn->cwd && strcmp (conn->cwd, cwd) == 0)
err = 0;
else
{
int reply;
const char *txt;
err = ftp_conn_cmd_reopen (conn, "cwd", cwd, &reply, &txt);
if (! err)
{
if (reply == REPLY_FCMD_OK)
err = _cache_cwd (conn, 0);
else
err = unexpected_reply (conn, reply, txt, ftp_conn_poss_file_errs);
}
}
return err;
}
/* Return a malloced string containing CONN's working directory in CWD. */
error_t
ftp_conn_cdup (struct ftp_conn *conn)
{
int reply;
const char *txt;
error_t err = ftp_conn_cmd_reopen (conn, "cdup", 0, &reply, &txt);
if (! err)
{
if (reply == REPLY_OK)
err = _cache_cwd (conn, 0);
else
err = unexpected_reply (conn, reply, txt, ftp_conn_poss_file_errs);
}
return err;
}
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