mirror of
https://github.com/openharmony/security_device_auth.git
synced 2026-08-25 09:19:33 -04:00
yuanhaifeng
104 lines
2.8 KiB
C
104 lines
2.8 KiB
C
/*
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* Copyright (C) 2023 Huawei Device Co., Ltd.
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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 "uint8buff_utils.h"
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#include "securec.h"
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#include "clib_error.h"
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#include "hc_types.h"
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#include "ctype.h"
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int32_t InitUint8Buff(Uint8Buff *buff, uint32_t buffLen)
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{
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if (buff == NULL) {
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return CLIB_ERR_NULL_PTR;
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}
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if (buffLen == 0) {
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return CLIB_ERR_INVALID_LEN;
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}
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buff->val = (uint8_t *)HcMalloc(buffLen, 0);
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if (buff->val == NULL) {
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return CLIB_ERR_BAD_ALLOC;
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}
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buff->length = buffLen;
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return CLIB_SUCCESS;
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}
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int32_t DeepCopyUint8Buff(const Uint8Buff *buff, Uint8Buff *newBuff)
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{
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if (buff == NULL || buff->val == NULL || newBuff == NULL) {
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return CLIB_ERR_NULL_PTR;
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}
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if (buff->length == 0) {
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return CLIB_ERR_INVALID_LEN;
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}
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uint8_t *val = (uint8_t *)HcMalloc(buff->length, 0);
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if (val == NULL) {
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return CLIB_ERR_BAD_ALLOC;
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}
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(void)memcpy_s(val, buff->length, buff->val, buff->length);
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newBuff->val = val;
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newBuff->length = buff->length;
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return CLIB_SUCCESS;
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}
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void FreeUint8Buff(Uint8Buff *buff)
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{
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if (buff == NULL || buff->val == NULL || buff->length == 0) {
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return;
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}
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HcFree(buff->val);
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buff->val = NULL;
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buff->length = 0;
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}
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void ClearFreeUint8Buff(Uint8Buff *buff)
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{
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if (buff == NULL || buff->val == NULL || buff->length == 0) {
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return;
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}
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(void)memset_s(buff->val, buff->length, 0, buff->length);
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HcFree(buff->val);
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buff->val = NULL;
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buff->length = 0;
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}
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bool IsUint8BuffValid(const Uint8Buff *buff, uint32_t maxLen)
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{
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return ((buff != NULL) && (buff->val != NULL) && (0 < buff->length) && (buff->length <= maxLen));
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}
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int32_t ToLowerCase(Uint8Buff *buff)
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{
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uint32_t buffLen = buff->length;
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char *buffStr = (char *)HcMalloc(buffLen + 1, 0);
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if (buffStr == NULL) {
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return CLIB_ERR_BAD_ALLOC;
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}
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if (memcpy_s(buffStr, buffLen + 1, buff->val, buffLen) != EOK) {
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HcFree(buffStr);
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return CLIB_FAILED;
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}
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for (uint32_t i = 0; i < buffLen; i++) {
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buffStr[i] = tolower(buffStr[i]);
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}
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if (memcpy_s(buff->val, buffLen, buffStr, buffLen) != EOK) {
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HcFree(buffStr);
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return CLIB_FAILED;
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}
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HcFree(buffStr);
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return CLIB_SUCCESS;
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}
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