109 lines
1.8 KiB
C
109 lines
1.8 KiB
C
/*
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* Copyright (c) 2026, Chloe M.
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* Provided under the BSD-3 clause
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*/
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#include <stdio.h>
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#include <errno.h>
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#include <stdlib.h>
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#include "blobchain/blob.h"
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#include "blobchain/memlib.h"
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static void
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dump_bytes(void *buf, size_t len)
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{
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char *p = buf;
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size_t i = 0;
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while ((i++) < len) {
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printf("%02X ", p[i] & 0xFF);
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}
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printf("\n");
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}
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int
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blob_list_init(struct blob_list *lp)
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{
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if (lp == NULL) {
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errno = -EINVAL;
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return -1;
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}
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lp->count = 0;
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lp->head = NULL;
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lp->tail = NULL;
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return 0;
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}
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int
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blob_list_append(struct blob_list *lp, struct blob *blob)
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{
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if (lp == NULL || blob == NULL) {
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errno = -EINVAL;
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return -1;
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}
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/* Create a head if needed */
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if (lp->head == NULL) {
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lp->head = blob;
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}
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/* Append the blob to the list */
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if (lp->tail == NULL) {
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lp->tail = blob;
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} else {
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lp->tail->next = blob;
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lp->tail = blob;
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}
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++lp->count;
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return 0;
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}
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void
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blob_list_destroy(struct blob_list *lp)
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{
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struct blob *bp, *tmp;
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if (lp == NULL) {
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return;
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}
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bp = lp->head;
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while (bp != NULL) {
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tmp = bp;
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bp = bp->next;
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free(tmp->data);
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free(tmp);
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}
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}
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void
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blob_list_dump(struct blob_list *lp)
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{
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const size_t DUMP_SIZE = 4;
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struct blob *blob;
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size_t count = 0;
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if (lp == NULL) {
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return;
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}
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blob = lp->head;
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while (blob != NULL) {
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printf("blob %zd/%zd\n", count++, lp->count);
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printf("... length :: %zd\n", blob->length);
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printf("... hash :: ");
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dump_bytes(blob->hash, SHA256_N_BYTES);
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printf("... data :: ");
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dump_bytes(blob->data, blob->length < DUMP_SIZE
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? blob->length
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: DUMP_SIZE);
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blob = blob->next;
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}
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}
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