46 lines
1.3 KiB
C++
Executable File
46 lines
1.3 KiB
C++
Executable File
/*
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* Copyright 2021 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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* author: kevin.chen@rock-chips.com
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*/
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#include "MpiDebug.h"
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#include <errno.h>
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#include <stdlib.h>
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#include <sys/system_properties.h>
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uint32_t get_env_u32(const char* name,
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uint32_t* value,
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uint32_t default_value) {
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char prop[PROP_VALUE_MAX + 1];
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int len = __system_property_get(name, prop);
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if (len > 0) {
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char* endptr;
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int base = (prop[0] == '0' && prop[1] == 'x') ? (16) : (10);
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errno = 0;
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*value = strtoul(prop, &endptr, base);
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if (errno || (prop == endptr)) {
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errno = 0;
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*value = default_value;
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}
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} else {
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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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