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-rw-r--r--lib/parameter.c98
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diff --git a/lib/parameter.c b/lib/parameter.c
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--- a/lib/parameter.c
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-/* 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 <config.h>
-#include <glibtop.h>
-#include <glibtop/parameter.h>
-#include <glibtop/error.h>
-
-#define _write_data(ptr,size) \
- if ((data_ptr == NULL) || (data_size < size)) return -size; \
- if (ptr == NULL) { char * const p = data_ptr; *p = '\0'; 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 (%u): " \
- "Expected %lu bytes but got %lu.", \
- (unsigned) parameter, (unsigned long) size, (unsigned long) 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 (%u): " \
- "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;
- }
-}