39 lines
954 B
C
39 lines
954 B
C
// Copyright 2019 Joe Drago. All rights reserved.
|
|
// SPDX-License-Identifier: BSD-2-Clause
|
|
|
|
#include "avif/internal.h"
|
|
|
|
#include <string.h>
|
|
|
|
avifResult avifRWDataRealloc(avifRWData * raw, size_t newSize)
|
|
{
|
|
if (raw->size != newSize) {
|
|
uint8_t * newData = avifAlloc(newSize);
|
|
AVIF_CHECKERR(newData, AVIF_RESULT_OUT_OF_MEMORY);
|
|
if (raw->size && newSize) {
|
|
memcpy(newData, raw->data, AVIF_MIN(raw->size, newSize));
|
|
}
|
|
avifFree(raw->data);
|
|
raw->data = newData;
|
|
raw->size = newSize;
|
|
}
|
|
return AVIF_RESULT_OK;
|
|
}
|
|
|
|
avifResult avifRWDataSet(avifRWData * raw, const uint8_t * data, size_t len)
|
|
{
|
|
if (len) {
|
|
AVIF_CHECKRES(avifRWDataRealloc(raw, len));
|
|
memcpy(raw->data, data, len);
|
|
} else {
|
|
avifRWDataFree(raw);
|
|
}
|
|
return AVIF_RESULT_OK;
|
|
}
|
|
|
|
void avifRWDataFree(avifRWData * raw)
|
|
{
|
|
avifFree(raw->data);
|
|
raw->data = NULL;
|
|
raw->size = 0;
|
|
}
|