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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* Chunk I/O
* =========
* Copyright 2018 Eduardo Silva <eduardo@monkey.io>
*
* 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.
*/
#ifndef CIO_MEMFS_H
#define CIO_MEMFS_H
#include <chunkio/chunkio.h>
#include <chunkio/cio_stream.h>
#include <chunkio/cio_chunk.h>
#include <chunkio/cio_crc32.h>
struct cio_memfs {
char *name; /* file name */
crc_t crc_cur; /* un-finalized checksum */
/* metadata */
char *meta_data;
int meta_len;
/* content-data */
char *buf_data; /* buffer with content data */
size_t buf_len; /* buffer content length */
size_t buf_size; /* buffer allocated size */
size_t realloc_size; /* chunk size to increase buf_data */
};
struct cio_memfs *cio_memfs_open(struct cio_ctx *ctx, struct cio_stream *st,
struct cio_chunk *ch, int flags,
size_t size);
void cio_memfs_close(struct cio_chunk *ch);
int cio_memfs_write(struct cio_chunk *ch, const void *buf, size_t count);
int cio_memfs_close_stream(struct cio_stream *st);
void cio_memfs_scan_dump(struct cio_ctx *ctx, struct cio_stream *st);
int cio_memfs_content_copy(struct cio_chunk *ch,
void **out_buf, size_t *out_size);
#endif
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