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/* SPDX-License-Identifier: GPL-3.0-or-later */
/*
* internal.h
*
* Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
*/
#ifndef INTERNAL_H
#define INTERNAL_H
#include "config.h"
#include "compat.h"
#include "fstream.h"
#include <string.h>
#include <stdlib.h>
#include <stdarg.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <stdio.h>
#define BUFSZ (262144)
typedef struct ostream_comp_t {
ostream_t base;
ostream_t *wrapped;
size_t inbuf_used;
sqfs_u8 inbuf[BUFSZ];
sqfs_u8 outbuf[BUFSZ];
int (*flush_inbuf)(struct ostream_comp_t *ostrm, bool finish);
void (*cleanup)(struct ostream_comp_t *ostrm);
} ostream_comp_t;
typedef struct istream_comp_t {
istream_t base;
istream_t *wrapped;
sqfs_u8 uncompressed[BUFSZ];
bool eof;
void (*cleanup)(struct istream_comp_t *strm);
} istream_comp_t;
#ifdef __cplusplus
extern "C" {
#endif
SQFS_INTERNAL ostream_comp_t *ostream_gzip_create(const char *filename);
SQFS_INTERNAL ostream_comp_t *ostream_xz_create(const char *filename);
SQFS_INTERNAL ostream_comp_t *ostream_zstd_create(const char *filename);
SQFS_INTERNAL istream_comp_t *istream_gzip_create(const char *filename);
SQFS_INTERNAL istream_comp_t *istream_xz_create(const char *filename);
SQFS_INTERNAL istream_comp_t *istream_zstd_create(const char *filename);
#ifdef __cplusplus
}
#endif
#endif /* INTERNAL_H */
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