mirror of
https://github.com/openharmony/security_device_auth.git
synced 2026-08-25 09:19:33 -04:00
fuzikun
81 lines
2.2 KiB
C
81 lines
2.2 KiB
C
/*
|
|
* Copyright (C) 2023 Huawei Device Co., Ltd.
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#include "uint8buff_utils.h"
|
|
|
|
#include "securec.h"
|
|
#include "clib_error.h"
|
|
#include "hc_types.h"
|
|
|
|
int32_t InitUint8Buff(Uint8Buff *buff, uint32_t buffLen)
|
|
{
|
|
if (buff == NULL) {
|
|
return CLIB_ERR_NULL_PTR;
|
|
}
|
|
if (buffLen == 0) {
|
|
return CLIB_ERR_INVALID_LEN;
|
|
}
|
|
buff->val = (uint8_t *)HcMalloc(buffLen, 0);
|
|
if (buff->val == NULL) {
|
|
return CLIB_ERR_BAD_ALLOC;
|
|
}
|
|
buff->length = buffLen;
|
|
return CLIB_SUCCESS;
|
|
}
|
|
|
|
int32_t DeepCopyUint8Buff(const Uint8Buff *buff, Uint8Buff *newBuff)
|
|
{
|
|
if (buff == NULL || buff->val == NULL || newBuff == NULL) {
|
|
return CLIB_ERR_NULL_PTR;
|
|
}
|
|
if (buff->length == 0) {
|
|
return CLIB_ERR_INVALID_LEN;
|
|
}
|
|
uint8_t *val = (uint8_t *)HcMalloc(buff->length, 0);
|
|
if (val == NULL) {
|
|
return CLIB_ERR_BAD_ALLOC;
|
|
}
|
|
(void)memcpy_s(val, buff->length, buff->val, buff->length);
|
|
newBuff->val = val;
|
|
newBuff->length = buff->length;
|
|
return CLIB_SUCCESS;
|
|
}
|
|
|
|
void FreeUint8Buff(Uint8Buff *buff)
|
|
{
|
|
if (buff == NULL || buff->val == NULL || buff->length == 0) {
|
|
return;
|
|
}
|
|
HcFree(buff->val);
|
|
buff->val = NULL;
|
|
buff->length = 0;
|
|
}
|
|
|
|
void ClearFreeUint8Buff(Uint8Buff *buff)
|
|
{
|
|
if (buff == NULL || buff->val == NULL || buff->length == 0) {
|
|
return;
|
|
}
|
|
(void)memset_s(buff->val, buff->length, 0, buff->length);
|
|
HcFree(buff->val);
|
|
buff->val = NULL;
|
|
buff->length = 0;
|
|
}
|
|
|
|
bool IsUint8BuffValid(const Uint8Buff *buff, uint32_t maxLen)
|
|
{
|
|
return ((buff != NULL) && (buff->val != NULL) && (0 < buff->length) && (buff->length <= maxLen));
|
|
}
|