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libcasio/lib/link/seven_mcs/list.c

134 lines
4.4 KiB
C

/* ****************************************************************************
* link/seven_mcs/list.c -- list files on a protocol seven main memory.
* Copyright (C) 2017 Thomas "Cakeisalie5" Touhey <thomas@touhey.fr>
*
* This file is part of libcasio.
* libcasio 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.
*
* libcasio 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 libcasio; if not, see <http://www.gnu.org/licenses/>.
* ************************************************************************* */
#include "seven_mcs.h"
struct thecookie {
casio_mcslist_t *_mcslist;
void *_mcookie;
};
/**
* file_info:
* The file information callback.
*
* @arg cookie the cookie.
* @arg handle the link handle.
* @return the error code (0 if ok).
*/
CASIO_LOCAL int file_info(struct thecookie *cookie, casio_link_t *handle)
{
casio_mcshead_t head;
/* Copy the raw information. */
head.casio_mcshead_flags = casio_mcsfor_mcs;
head.casio_mcshead_size = response.casio_seven_packet_filesize;
head.casio_mcshead_rawtype = response.casio_seven_packet_mcstype;
if (response.casio_seven_packet_args[0]) {
strncpy(head.casio_mcshead_dirname,
response.casio_seven_packet_args[0], 8);
head.casio_mcshead_dirname[8] = 0;
} else head.casio_mcshead_dirname[0] = 0;
if (response.casio_seven_packet_args[1]) {
strncpy(head.casio_mcshead_name,
response.casio_seven_packet_args[1], 12);
head.casio_mcshead_name[12] = 0;
} else head.casio_mcshead_name[0] = 0;
if (response.casio_seven_packet_args[2]) {
strncpy(head.casio_mcshead_group,
response.casio_seven_packet_args[2], 16);
head.casio_mcshead_group[16] = 0;
} else head.casio_mcshead_group[0] = 0;
/* Try to make abstract information out of the raw information. */
casio_correct_mcshead(&head, 0);
/* If these are not special files we want to ignore,
* return this head to the user, and end the command response. */
if (!(head.casio_mcshead_type
& (casio_mcstype_alpha | casio_mcstype_setup)))
(*cookie->_mcslist)(cookie->_mcookie, &head);
/* Don't forget the ack! */
return (casio_seven_send_ack(handle, 1));
}
/* Alpha memory and settings are two special entries that are not explicitely
* listed and got/sent as files, we ought to make an abstraction powerful
* enough to treat them as they are. */
const casio_mcshead_t CASIO_EXPORT casio_sevenmcs_list_alpha_entry = {
0, casio_mcstype_alphamem, 0,
/* count: */ 29, 0, 0, 0,
/* rawtype: */ 0x00, 0, 0,
/* name: */ "ALPHA MEM", "",
/* group: */ "ALPHA MEM",
/* dirname: */ "$GLOBAL",
"", ""
};
const casio_mcshead_t CASIO_EXPORT casio_sevenmcs_list_setup_entry = {
0, casio_mcstype_setup, 0,
0, 0, 0, 100,
/* rawtype: */ 0x14, 0, 0,
/* name: */ "SETUP", "",
/* group: */ "SETUP",
/* dirname: */ "$GLOBAL",
"", ""
};
/**
* casio_sevenmcs_list:
* List a Protocol 7.00 MCS.
*
* @arg cookie the cookie.
* @arg mcslist the listing callback.
* @arg mcookie the listing callback cookie.
* @return the error code (0 if ok).
*/
int CASIO_EXPORT casio_sevenmcs_list(sevenmcs_t *cookie,
casio_mcslist_t *mcslist, void *mcookie)
{
int err; casio_link_t *handle = cookie->sevenmcs_link;
struct thecookie thecookie;
msg((ll_info, "Sending the file info transfer all request."));
err = casio_seven_send_cmdmcs_reqallinfo(handle);
if (err) return (err);
if (response.casio_seven_packet_type != casio_seven_type_ack)
return (casio_error_unknown);
/* Prepare the cookie. */
thecookie._mcslist = mcslist;
thecookie._mcookie = mcookie;
/* Call the callbacks with the default entries. */
(*mcslist)(mcookie, &casio_sevenmcs_list_alpha_entry);
(*mcslist)(mcookie, &casio_sevenmcs_list_setup_entry);
msg((ll_info, "Preparing the callbacks and running the server."));
memset(handle->casio_link_seven_callbacks, 0,
256 * sizeof(casio_seven_server_func_t*));
handle->casio_link_seven_callbacks[casio_seven_cmdmcs_fileinfo] =
(casio_seven_server_func_t*)&file_info;
err = casio_seven_serve(handle, handle->casio_link_seven_callbacks,
&thecookie);
return (err);
}