c-ipfs/blocks/block.c
John Jones c64a700223 The beginnings of datastore
A lot of code cleanup, plus beginning the implementation of a datastore.
2016-11-17 15:07:59 -05:00

40 lines
1,006 B
C

/**
* The implementation of methods around IPFS blocks
*/
#include <stdlib.h>
#include "ipfs/blocks/block.h"
#include "ipfs/cid/cid.h"
/***
* Create a new block based on the incoming data
* @param data the data to base the block on
* @param data_size the length of the data array
* @param block a pointer to the struct Block that will be created
* @returns true(1) on success
*/
int ipfs_blocks_block_new(unsigned char* data, size_t data_size, struct Block* block) {
char hash[32];
ipfs_crypto_hashing_sha256(data, hash, 32);
ipfs_cid_new(0, hash, 32, CID_PROTOBUF, block->cid);
block->data = malloc(sizeof(unsigned char) * data_size);
if (block->data == NULL)
return 0;
memcpy(block->data, data, data_size);
return 1;
}
/***
* Free resources used by the creation of a block
* @param block the block to free
* @returns true(1) on success
*/
int ipfs_blocks_block_free(struct Block* block) {
ipfs_cid_free(block->cid);
if (block->data != NULL)
free(block->data);
return 1;
}