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libp7/src/storage/delete.c

70 lines
2.1 KiB
C

/* *****************************************************************************
* storage/delete.c -- delete a file/directory on the calculator.
* Copyright (C) 2016-2017 Thomas "Cakeisalie5" Touhey <thomas@touhey.fr>
*
* This file is part of libp7.
* libp7 is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 3.0 of the License,
* or (at your option) any later version.
*
* libp7 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with libp7; if not, see <http://www.gnu.org/licenses/>.
* ************************************************************************** */
#include <libp7/internals.h>
/**
* p7_delete:
* Deletes a distant file.
*
* @arg handle the libp7 handle
* @arg dirname the directory name
* @arg filename the file name
* @arg devname the device name
* @return if it worked
*/
int p7_delete(p7_handle_t *handle,
const char *dirname, const char *filename, const char *devname)
{
int err;
/* if no filename, put the directory name in the filename. */
if (!filename) { filename = dirname; dirname = NULL; }
/* make checks */
chk_handle(handle);
chk_active(handle);
chk_filename(filename);
chk_dirname(dirname);
/* send command packet */
log_info("sending command");
if ((err = p7_send_cmdfls_delfile(handle,
dirname, filename, devname))) {
log_fatal("couldn't send command/get its response");
return (err);
} else if (response.type != p7_pt_ack && response.type != p7_pt_error) {
log_fatal("received an invalid answer");
return (p7_error_unknown);
}
/* - check error - */
if (response.type == p7_pt_error) switch (response.code) {
case p7_err_other:
log_fatal("file not found");
return (p7_error_notfound);
default:
log_fatal("unknown error");
return (p7_error_unknown);
}
/* we're done */
return (0);
}