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/* Filename frobbing
Copyright (C) 1997 Free Software Foundation, Inc.
Written by Miles Bader <miles@gnu.ai.mit.edu>
This file is part of the GNU Hurd.
The GNU Hurd 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.
The GNU Hurd 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., 59 Temple Place - Suite 330, Boston, MA 02111, USA. */
#include <string.h>
#include "ftpconn.h"
/* Give a name which refers to a directory file, and a name in that
directory, this should return in COMPOSITE the composite name referring to
that name in that directory, in malloced storage. */
error_t
ftp_conn_append_name (struct ftp_conn *conn,
const char *dir, const char *name,
char **composite)
{
error_t err = ftp_conn_validate_syshooks (conn);
if (err)
return err;
else if (conn->syshooks.append_name)
return (*conn->syshooks.append_name) (conn, dir, name, composite);
else
return EOPNOTSUPP;
}
/* If the name of a file COMPOSITE is a composite name (containing both a
filename and a directory name), this function will return the name
component only in BASE, in malloced storage, otherwise it simply returns a
newly malloced copy of COMPOSITE in BASE. */
error_t
ftp_conn_basename (struct ftp_conn *conn, const char *composite, char **base)
{
error_t err = ftp_conn_validate_syshooks (conn);
if (err)
return err;
if (conn->syshooks.basename)
{
size_t in_size = strlen (composite) + 1;
char *in = strdup (composite), *out = in;
if (! in)
return ENOMEM;
err = (*conn->syshooks.basename) (conn, &out);
if (err || out != in)
{
if (!err && out >= in && out < in + in_size)
/* OUT uses storage from IN, but not at the beginning. */
out = strdup (out);
free (in);
}
if (! err)
*base = out;
return err;
}
else
return EOPNOTSUPP;
}
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