/*
 * Copyright (c) 2026, Chloe M.
 * Provided under the BSD-3 clause
 */

#include <string.h>
#include "blobchain/blob.h"
#include "blobchain/memlib.h"

struct blob *
blob_allocate(struct data_stream *stmp)
{
    struct blob *bp;

    bp = xmalloc(sizeof(*bp));
    bp->length = (stmp != NULL) ? stmp->length : 0;
    bp->next = NULL;
    if (stmp == NULL) {
        bp->data = NULL;
    } else {
        bp->data = xmalloc(stmp->length);
        memcpy(bp->data, stmp->data, stmp->length);
    }

    memcpy(bp->hash, stmp->hash, SHA256_N_BYTES);
    return bp;
}