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/* This file is part of GNU paxutils
Copyright (C) 2005, 2007 Free Software Foundation, Inc.
Written by Sergey Poznyakoff
GNU paxutils is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 3, or (at your option) any later
version.
GNU paxutils is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
Public License for more details.
You should have received a copy of the GNU General Public License along
with GNU paxutils; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
typedef struct pax_buffer *paxbuf_t;
typedef enum pax_io_status
{
pax_io_success,
pax_io_failure,
pax_io_eof
}
pax_io_status_t;
#define PAXBUF_READ 0x1
#define PAXBUF_WRITE 0x2
#define PAXBUF_CREAT 0x4
typedef pax_io_status_t (*paxbuf_io_fp) (void *closure,
void *data, size_t size,
size_t *ret_size);
typedef int (*paxbuf_seek_fp) (void *closure, off_t offset);
typedef int (*paxbuf_term_fp) (void *closure, int mode);
typedef int (*paxbuf_destroy_fp) (void *closure);
typedef int (*paxbuf_wrapper_fp) (void *closure);
typedef const char * (*paxbuf_error_fp) (void *closure);
int paxbuf_create (paxbuf_t *buf, int mode, void *closure, size_t record_size);
int paxbuf_open (paxbuf_t buf);
int paxbuf_close (paxbuf_t buf);
void paxbuf_set_io (paxbuf_t buf, paxbuf_io_fp rd, paxbuf_io_fp wr,
paxbuf_seek_fp seek);
void paxbuf_set_term (paxbuf_t buf,
paxbuf_term_fp open, paxbuf_term_fp close,
paxbuf_destroy_fp destroy);
void paxbuf_set_wrapper (paxbuf_t buf, paxbuf_wrapper_fp wrap);
void paxbuf_set_error (paxbuf_t buf, paxbuf_error_fp err);
pax_io_status_t paxbuf_read (paxbuf_t pbuf, char *buf, size_t size,
size_t *rsize);
pax_io_status_t paxbuf_write (paxbuf_t pbuf, char *buf, size_t size,
size_t *rsize);
int paxbuf_seek (paxbuf_t buf, off_t offset);
void paxbuf_destroy (paxbuf_t *buf);
void *paxbuf_get_data (paxbuf_t buf);
int paxbuf_get_mode (paxbuf_t buf);
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