ghcup-hs/3rdparty/libarchive/c/archive_virtual.c

164 lines
4.0 KiB
C

/*-
* Copyright (c) 2003-2007 Tim Kientzle
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "archive_platform.h"
__FBSDID("$FreeBSD: head/lib/libarchive/archive_virtual.c 201098 2009-12-28 02:58:14Z kientzle $");
#include "archive.h"
#include "archive_entry.h"
#include "archive_private.h"
int
archive_filter_code(struct archive *a, int n)
{
return ((a->vtable->archive_filter_code)(a, n));
}
int
archive_filter_count(struct archive *a)
{
return ((a->vtable->archive_filter_count)(a));
}
const char *
archive_filter_name(struct archive *a, int n)
{
return ((a->vtable->archive_filter_name)(a, n));
}
la_int64_t
archive_filter_bytes(struct archive *a, int n)
{
return ((a->vtable->archive_filter_bytes)(a, n));
}
int
archive_free(struct archive *a)
{
if (a == NULL)
return (ARCHIVE_OK);
return ((a->vtable->archive_free)(a));
}
int
archive_write_close(struct archive *a)
{
return ((a->vtable->archive_close)(a));
}
int
archive_read_close(struct archive *a)
{
return ((a->vtable->archive_close)(a));
}
int
archive_write_fail(struct archive *a)
{
a->state = ARCHIVE_STATE_FATAL;
return a->state;
}
int
archive_write_free(struct archive *a)
{
return archive_free(a);
}
#if ARCHIVE_VERSION_NUMBER < 4000000
/* For backwards compatibility; will be removed with libarchive 4.0. */
int
archive_write_finish(struct archive *a)
{
return archive_write_free(a);
}
#endif
int
archive_read_free(struct archive *a)
{
return archive_free(a);
}
#if ARCHIVE_VERSION_NUMBER < 4000000
/* For backwards compatibility; will be removed with libarchive 4.0. */
int
archive_read_finish(struct archive *a)
{
return archive_read_free(a);
}
#endif
int
archive_write_header(struct archive *a, struct archive_entry *entry)
{
++a->file_count;
return ((a->vtable->archive_write_header)(a, entry));
}
int
archive_write_finish_entry(struct archive *a)
{
return ((a->vtable->archive_write_finish_entry)(a));
}
la_ssize_t
archive_write_data(struct archive *a, const void *buff, size_t s)
{
return ((a->vtable->archive_write_data)(a, buff, s));
}
la_ssize_t
archive_write_data_block(struct archive *a, const void *buff, size_t s,
la_int64_t o)
{
if (a->vtable->archive_write_data_block == NULL) {
archive_set_error(a, ARCHIVE_ERRNO_MISC,
"archive_write_data_block not supported");
a->state = ARCHIVE_STATE_FATAL;
return (ARCHIVE_FATAL);
}
return ((a->vtable->archive_write_data_block)(a, buff, s, o));
}
int
archive_read_next_header(struct archive *a, struct archive_entry **entry)
{
return ((a->vtable->archive_read_next_header)(a, entry));
}
int
archive_read_next_header2(struct archive *a, struct archive_entry *entry)
{
return ((a->vtable->archive_read_next_header2)(a, entry));
}
int
archive_read_data_block(struct archive *a,
const void **buff, size_t *s, la_int64_t *o)
{
return ((a->vtable->archive_read_data_block)(a, buff, s, o));
}