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/*
init.c - Part of libsensors, a Linux library for reading sensor data.
Copyright (c) 1998, 1999 Frodo Looijaard <frodol@dds.nl>
This program 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.
This program 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <stdlib.h>
#include <stdio.h>
#include "sensors.h"
#include "data.h"
#include "proc.h"
#include "error.h"
#include "access.h"
#include "conf.h"
#include "sysfs.h"
static void free_proc_chips_entry(sensors_proc_chips_entry entry);
static void free_chip_name(sensors_chip_name name);
static void free_bus(sensors_bus bus);
static void free_chip(sensors_chip chip);
static void free_label(sensors_label label);
static void free_set(sensors_set set);
static void free_compute(sensors_compute compute);
static void free_ignore(sensors_ignore ignore);
static void free_expr(sensors_expr *expr);
int sensors_init(FILE *input)
{
int res;
sensors_cleanup();
if ((res = sensors_read_proc_chips()))
return res;
if (sensors_init_sysfs()) {
if ((res = sensors_read_sysfs_bus()))
return res;
} else {
if ((res = sensors_read_proc_bus()))
return res;
}
sensors_yyin = input;
if ((res = sensors_yyparse()))
return -SENSORS_ERR_PARSE;
if ((res = sensors_substitute_busses()));
return res;
return 0;
}
void sensors_cleanup(void)
{
int i;
for (i = 0; i < sensors_proc_chips_count; i++)
free_proc_chips_entry(sensors_proc_chips[i]);
free(sensors_proc_chips);
sensors_proc_chips = NULL;
sensors_proc_chips_count = sensors_proc_chips_max = 0;
for (i = 0; i < sensors_config_busses_count; i++)
free_bus(sensors_config_busses[i]);
free(sensors_config_busses);
sensors_config_busses = NULL;
sensors_config_busses_count = sensors_config_busses_max = 0;
for (i = 0; i < sensors_config_chips_count; i++)
free_chip(sensors_config_chips[i]);
free(sensors_config_chips);
sensors_config_chips = NULL;
sensors_config_chips_count = sensors_config_chips_max = 0;
for (i = 0; i < sensors_proc_bus_count; i++)
free_bus(sensors_proc_bus[i]);
free(sensors_proc_bus);
sensors_proc_bus = NULL;
sensors_proc_bus_count = sensors_proc_bus_max = 0;
}
void free_proc_chips_entry(sensors_proc_chips_entry entry)
{
free_chip_name(entry.name);
}
void free_chip_name(sensors_chip_name name)
{
free(name.prefix);
free(name.busname);
}
void free_bus(sensors_bus bus)
{
free(bus.adapter);
free(bus.algorithm);
}
void free_chip(sensors_chip chip)
{
int i;
for (i = 0; i < chip.labels_count; i++)
free_label(chip.labels[i]);
free(chip.labels);
chip.labels_count = chip.labels_max = 0;
for (i = 0; i < chip.sets_count; i++)
free_set(chip.sets[i]);
free(chip.sets);
chip.sets_count = chip.sets_max = 0;
for (i = 0; i < chip.computes_count; i++)
free_compute(chip.computes[i]);
free(chip.computes);
chip.computes_count = chip.computes_max = 0;
for (i = 0; i < chip.ignores_count; i++)
free_ignore(chip.ignores[i]);
free(chip.ignores);
chip.ignores_count = chip.ignores_max = 0;
}
void free_label(sensors_label label)
{
free(label.name);
free(label.value);
}
void free_set(sensors_set set)
{
free(set.name);
free_expr(set.value);
}
void free_compute(sensors_compute compute)
{
free(compute.name);
free_expr(compute.from_proc);
free_expr(compute.to_proc);
}
void free_ignore(sensors_ignore ignore)
{
free(ignore.name);
}
void free_expr(sensors_expr *expr)
{
if ((expr->kind) == sensors_kind_var)
free(expr->data.var);
else if ((expr->kind) == sensors_kind_sub) {
if (expr->data.subexpr.sub1)
free_expr(expr->data.subexpr.sub1);
if (expr->data.subexpr.sub2)
free_expr(expr->data.subexpr.sub2);
}
free(expr);
}
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