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/*
* Copyright 2018 Intel Corporation
*
* 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.
*/
// Author: Arun Kumar Sekar
#include "util.h"
TPM2_RC ConcatSizedByteBuffer( TPM2B_MAX_BUFFER *result, TPM2B *addBuffer )
{
int i;
if( ( result->size + addBuffer->size ) > TPM2_MAX_DIGEST_BUFFER )
return TSS2_SYS_RC_BAD_VALUE;
else
{
for( i = 0; i < addBuffer->size; i++ )
result->buffer[i + result->size] = addBuffer->buffer[i];
result->size += addBuffer->size;
return TPM2_RC_SUCCESS;
}
}
int saveDataToFile(const char *fileName, UINT8 *buf, UINT16 size)
{
FILE *f;
UINT16 count = 1;
if( fileName == NULL || buf == NULL || size == 0 )
return -1;
f = fopen(fileName, "wb+");
if( f == NULL ) {
printf("File(%s) open error.\n", fileName);
return -2;
}
while( size > 0 && count > 0 ) {
count = fwrite(buf, 1, size, f);
size -= count;
buf += count;
}
if( size > 0 ) {
printf("File write error\n");
fclose(f);
return -3;
}
fclose(f);
return 0;
}
int loadDataFromFile(const char *fileName, UINT8 *buf, UINT16 *size)
{
UINT16 count = 1, left;
FILE *f;
if ( size == NULL || buf == NULL || fileName == NULL )
return -1;
f = fopen(fileName, "rb+");
if( f == NULL ) {
printf("File(%s) open error.\n", fileName);
return -2;
}
left = *size;
*size = 0;
while( left > 0 && count > 0 ) {
count = fread(buf, 1, left, f);
*size += count;
left -= count;
buf += count;
}
if( *size == 0 ) {
printf("File read error\n");
fclose(f);
return -3;
}
fclose(f);
return 0;
}
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