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/* $Id$ */
/* Copyright (C) 1998-99 Martin Baulig
This file is part of LibGTop 1.0.
Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
LibGTop 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.
LibGTop 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 LibGTop; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#include <glibtop.h>
#include <glibtop/parameter.h>
#define _write_data(ptr,size) \
if ((data_ptr == NULL) || (data_size < size)) return -size; \
if (ptr == NULL) { strcpy (data_ptr, ""); return 1; } \
memcpy (data_ptr, ptr, size); \
return size;
#define _check_data(size) \
if ((data_ptr == NULL) || (data_size != size)) { \
glibtop_warn_r (server, "glibtop_set_parameter (%d): " \
"Expected %lu bytes but got %lu.", \
parameter, size, data_size); \
return; \
}
#define _strlen(ptr) (ptr ? strlen (ptr) : 0)
size_t
glibtop_get_parameter_l (glibtop *server, const unsigned parameter,
void *data_ptr, size_t data_size)
{
switch (parameter) {
case GLIBTOP_PARAM_METHOD:
_write_data (&server->method,
sizeof (server->method));
case GLIBTOP_PARAM_FEATURES:
_write_data (&server->features,
sizeof (server->features));
case GLIBTOP_PARAM_COMMAND:
_write_data (server->server_command,
_strlen(server->server_command));
case GLIBTOP_PARAM_HOST:
_write_data (server->server_host,
_strlen(server->server_host));
case GLIBTOP_PARAM_PORT:
_write_data (&server->server_port,
sizeof (server->server_port));
case GLIBTOP_PARAM_ERROR_METHOD:
_write_data (&server->error_method,
sizeof (server->error_method));
case GLIBTOP_PARAM_REQUIRED:
_write_data (&server->required,
sizeof (server->required));
}
return 0;
}
void
glibtop_set_parameter_l (glibtop *server, const unsigned parameter,
const void *data_ptr, size_t data_size)
{
switch (parameter) {
case GLIBTOP_PARAM_METHOD:
_check_data (sizeof (server->method));
memcpy (&server->method, data_ptr, data_size);
break;
case GLIBTOP_PARAM_FEATURES:
/* You should not be allowed to set this field. */
glibtop_warn_r (server, "glibtop_set_parameter (%d): " \
"Cannot modify read-only value.",
parameter);
break;
case GLIBTOP_PARAM_ERROR_METHOD:
_check_data (sizeof (server->error_method));
memcpy (&server->error_method, data_ptr, data_size);
break;
case GLIBTOP_PARAM_REQUIRED:
_check_data (sizeof (server->required));
memcpy (&server->required, data_ptr, data_size);
break;
}
}
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