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/* apk_io.h - Alpine Package Keeper (APK)
*
* Copyright (C) 2008 Timo Teräs <timo.teras@iki.fi>
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation. See http://www.gnu.org/ for details.
*/
#ifndef APK_IO
#define APK_IO
#include "apk_defines.h"
#include "apk_blob.h"
struct apk_file_info {
char *name;
char *link_target;
char *uname;
char *gname;
off_t size;
uid_t uid;
gid_t gid;
mode_t mode;
time_t mtime;
dev_t device;
csum_t csum;
};
struct apk_istream {
size_t (*read)(void *stream, void *ptr, size_t size);
void (*close)(void *stream);
};
struct apk_bstream {
size_t (*read)(void *stream, void **ptr);
void (*close)(void *stream, csum_p csum, size_t *size);
};
struct apk_ostream {
size_t (*write)(void *stream, const void *buf, size_t size);
void (*close)(void *stream);
};
struct apk_istream *apk_bstream_gunzip(struct apk_bstream *, int);
struct apk_ostream *apk_ostream_gzip(struct apk_ostream *);
struct apk_istream *apk_istream_from_fd(int fd);
struct apk_istream *apk_istream_from_file(const char *file);
struct apk_istream *apk_istream_from_file_gz(const char *file);
struct apk_istream *apk_istream_from_url(const char *url);
size_t apk_istream_skip(struct apk_istream *istream, size_t size);
size_t apk_istream_splice(void *stream, int fd, size_t size,
apk_progress_cb cb, void *cb_ctx);
struct apk_bstream *apk_bstream_from_istream(struct apk_istream *istream);
struct apk_bstream *apk_bstream_from_fd(int fd);
struct apk_bstream *apk_bstream_from_file(const char *file);
struct apk_bstream *apk_bstream_from_url(const char *url);
struct apk_ostream *apk_ostream_to_fd(int fd);
struct apk_ostream *apk_ostream_to_file(const char *file, mode_t mode);
struct apk_ostream *apk_ostream_to_file_gz(const char *file, mode_t mode);
apk_blob_t apk_blob_from_istream(struct apk_istream *istream, size_t size);
apk_blob_t apk_blob_from_file(const char *file);
#endif
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