/*
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* Copyright 2015 Rockchip Electronics Co. LTD
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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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#if defined(linux) && !defined(__ANDROID__)
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#include <stdio.h>
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#include <stdlib.h>
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#include <errno.h>
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#include "os_env.h"
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#define ENV_BUF_SIZE_LINUX 1024
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RK_S32 os_get_env_u32(const char *name, RK_U32 *value, RK_U32 default_value)
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{
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char *ptr = getenv(name);
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if (NULL == ptr) {
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*value = default_value;
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} else {
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char *endptr;
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int base = (ptr[0] == '0' && ptr[1] == 'x') ? (16) : (10);
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errno = 0;
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*value = strtoul(ptr, &endptr, base);
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if (errno || (ptr == endptr)) {
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errno = 0;
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*value = default_value;
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}
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}
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return 0;
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}
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RK_S32 os_get_env_str(const char *name, const char **value, const char *default_value)
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{
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*value = getenv(name);
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if (NULL == *value) {
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*value = default_value;
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}
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return 0;
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}
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RK_S32 os_set_env_u32(const char *name, RK_U32 value)
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{
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char buf[ENV_BUF_SIZE_LINUX];
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snprintf(buf, sizeof(buf) - 1, "%u", value);
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return setenv(name, buf, 1);
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}
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RK_S32 os_set_env_str(const char *name, char *value)
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{
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return setenv(name, value, 1);
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}
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#endif
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