90 lines
2.1 KiB
C
90 lines
2.1 KiB
C
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/*
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* Copyright (C) 2016 Allwinnertech
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <string.h>
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#include <stdlib.h>
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#include "np_uci_config.h"
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NP_UCI *np_uci_open(const char *file)
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{
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int ret = -1;
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NP_UCI *uci = (NP_UCI *) malloc(sizeof(NP_UCI));
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memset(uci, 0, sizeof(NP_UCI));
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uci->context = uci_alloc_context(); // 申请一个UCI上下文.
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ret = uci_load(uci->context, file, &uci->package);
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if (UCI_OK != ret) {
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np_uci_close(uci);
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return NULL;
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}
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return uci;
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}
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void np_uci_close(NP_UCI * uci)
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{
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if (uci == NULL) {
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return;
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}
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if (uci->package != NULL) {
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uci_unload(uci->context, uci->package);
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}
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uci_free_context(uci->context);
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free(uci);
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}
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int np_uci_read_config(NP_UCI * uci, const char *conf_section, const char *conf_name, char *conf_buf, size_t len)
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{
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int ret = -1;
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struct uci_section *section = NULL;
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const char *value = NULL;
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if (uci == NULL) {
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return -1;
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}
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section = uci_lookup_section(uci->context, uci->package, conf_section);
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if (section == NULL) {
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return -1;
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}
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value = uci_lookup_option_string(uci->context, section, conf_name);
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if (NULL != value && len > strlen(value)) {
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memcpy(conf_buf, value, strlen(value));
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}
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return 0;
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}
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int np_uci_write_config(NP_UCI * uci, const char *conf_section, const char *conf_name, const char *conf_buff)
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{
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int ret = -1;
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struct uci_ptr ptr = {.package = "nativepower",.section = conf_section,.option = conf_name,.value = conf_buff, };
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if (uci == NULL) {
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return -1;
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}
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ret = uci_set(uci->context, &ptr);
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if (UCI_OK == ret) {
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ret = uci_commit(uci->context, &ptr.p, true);
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}
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return ret;
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}
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