2008-11-07 15:11:08 +00:00
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/* apk_io.h - Alpine Package Keeper (APK)
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*
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* Copyright (C) 2008 Timo Teräs <timo.teras@iki.fi>
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* All rights reserved.
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*
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2009-06-28 17:36:16 +00:00
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* This program is free software; you can redistribute it and/or modify it
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2008-11-07 15:11:08 +00:00
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* under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation. See http://www.gnu.org/ for details.
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*/
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#ifndef APK_IO
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#define APK_IO
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#include "apk_defines.h"
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#include "apk_blob.h"
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2009-07-08 06:50:21 +00:00
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#include "apk_csum.h"
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2008-11-07 15:11:08 +00:00
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2008-11-14 12:26:59 +00:00
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struct apk_file_info {
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char *name;
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char *link_target;
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char *uname;
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char *gname;
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off_t size;
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uid_t uid;
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gid_t gid;
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mode_t mode;
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time_t mtime;
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dev_t device;
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csum_t csum;
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};
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2008-11-07 15:11:08 +00:00
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struct apk_istream {
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size_t (*read)(void *stream, void *ptr, size_t size);
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void (*close)(void *stream);
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};
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struct apk_bstream {
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2009-07-14 06:33:32 +00:00
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apk_blob_t (*read)(void *stream, apk_blob_t token);
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2009-07-13 17:37:03 +00:00
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void (*close)(void *stream, size_t *size);
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2008-11-07 15:11:08 +00:00
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};
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2008-11-28 14:28:54 +00:00
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struct apk_ostream {
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size_t (*write)(void *stream, const void *buf, size_t size);
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void (*close)(void *stream);
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};
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2009-07-13 17:37:03 +00:00
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#define APK_MPART_BEGIN 0
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#define APK_MPART_BOUNDARY 1
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#define APK_MPART_END 2
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typedef int (*apk_multipart_cb)(void *ctx, EVP_MD_CTX *mdctx, int part);
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struct apk_istream *apk_bstream_gunzip_mpart(struct apk_bstream *, int,
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apk_multipart_cb cb, void *ctx);
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static inline struct apk_istream *apk_bstream_gunzip(struct apk_bstream *bs,
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int autoclose)
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{
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return apk_bstream_gunzip_mpart(bs, autoclose, NULL, NULL);
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}
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2008-11-28 14:28:54 +00:00
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struct apk_ostream *apk_ostream_gzip(struct apk_ostream *);
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2008-11-27 19:06:45 +00:00
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2008-11-07 15:11:08 +00:00
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struct apk_istream *apk_istream_from_fd(int fd);
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struct apk_istream *apk_istream_from_file(const char *file);
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2008-11-28 14:28:54 +00:00
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struct apk_istream *apk_istream_from_file_gz(const char *file);
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2008-11-28 13:03:27 +00:00
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struct apk_istream *apk_istream_from_url(const char *url);
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2009-01-15 10:55:26 +00:00
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struct apk_istream *apk_istream_from_url_gz(const char *url);
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2008-11-07 15:11:08 +00:00
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size_t apk_istream_skip(struct apk_istream *istream, size_t size);
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2009-01-07 19:45:11 +00:00
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size_t apk_istream_splice(void *stream, int fd, size_t size,
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apk_progress_cb cb, void *cb_ctx);
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2008-11-07 15:11:08 +00:00
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struct apk_bstream *apk_bstream_from_istream(struct apk_istream *istream);
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struct apk_bstream *apk_bstream_from_fd(int fd);
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2008-11-28 13:03:27 +00:00
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struct apk_bstream *apk_bstream_from_file(const char *file);
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struct apk_bstream *apk_bstream_from_url(const char *url);
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2009-06-28 17:36:16 +00:00
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struct apk_bstream *apk_bstream_tee(struct apk_bstream *from, const char *to);
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2008-11-07 15:11:08 +00:00
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2008-11-28 14:28:54 +00:00
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struct apk_ostream *apk_ostream_to_fd(int fd);
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struct apk_ostream *apk_ostream_to_file(const char *file, mode_t mode);
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struct apk_ostream *apk_ostream_to_file_gz(const char *file, mode_t mode);
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2009-04-16 14:05:27 +00:00
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size_t apk_ostream_write_string(struct apk_ostream *ostream, const char *string);
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2008-11-27 19:06:45 +00:00
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2008-11-07 15:11:08 +00:00
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apk_blob_t apk_blob_from_istream(struct apk_istream *istream, size_t size);
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2008-11-27 14:59:04 +00:00
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apk_blob_t apk_blob_from_file(const char *file);
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2008-11-07 15:11:08 +00:00
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2009-04-15 06:56:09 +00:00
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int apk_file_get_info(const char *filename, struct apk_file_info *fi);
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2009-04-16 17:05:22 +00:00
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int apk_url_download(const char *url, const char *file);
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const char *apk_url_local_file(const char *url);
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2009-04-15 06:56:09 +00:00
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2008-11-07 15:11:08 +00:00
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#endif
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