65 lines
2.2 KiB
C
65 lines
2.2 KiB
C
/**
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* Option list functions
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*
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* @package vzlogger
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* @copyright Copyright (c) 2011, The volkszaehler.org project
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* @license http://www.gnu.org/licenses/gpl.txt GNU Public License
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* @author Steffen Vogel <info@steffenvogel.de>
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*/
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/*
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* This file is part of volkzaehler.org
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*
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* volkzaehler.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* any later version.
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*
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* volkzaehler.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with volkszaehler.org. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <string.h>
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#include "options.h"
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#include "common.h"
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int options_lookup(list_t options, char *key, void *value, option_type_t type) {
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option_t * option = NULL;
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/* linear search */
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foreach(options, val, option_t) {
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if (strcmp(val->key, key) == 0) {
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option = val;
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}
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}
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/* checks */
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if (option == NULL) {
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return ERR_NOT_FOUND;
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}
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else if (option->type == type) {
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size_t n = 0;
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switch (option->type) {
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case option_type_boolean: n = sizeof(option->value.integer); break; /* boolean is a bitfield: int boolean:1; */
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case option_type_double: n = sizeof(option->value.floating); break;
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case option_type_int: n = sizeof(option->value.integer); break;
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case option_type_string: n = sizeof(option->value.string); break;
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}
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memcpy(value, &option->value, n);
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return SUCCESS;
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}
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else {
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return ERR_INVALID_TYPE;
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}
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}
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int options_lookup_boolean(list_t o, char *k, int *v) { return options_lookup(o, k, v, option_type_boolean); }
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int options_lookup_int(list_t o, char *k, int *v) { return options_lookup(o, k, v, option_type_int); }
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int options_lookup_string(list_t o, char *k, char **v) { return options_lookup(o, k, v, option_type_string); }
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int options_lookup_double(list_t o, char *k, double *v) { return options_lookup(o, k, v, option_type_double); }
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