1/* 2 * Copyright (c) 2005-2007 Rob Braun 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of Rob Braun nor the names of his contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 18 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 21 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 27 * POSSIBILITY OF SUCH DAMAGE. 28 */ 29/* 30 * 03-Apr-2005 31 * DRI: Rob Braun <bbraun@synack.net> 32 */ 33/* 34 * Portions Copyright 2006, Apple Computer, Inc. 35 * Christopher Ryan <ryanc@apple.com> 36*/ 37 38#ifndef _XAR_IO_H_ 39#define _XAR_IO_H_ 40 41#include "archive.h" 42//typedef int (*read_callback)(xar_t, xar_file_t, void *, size_t, void *context); 43//typedef int (*write_callback)(xar_t, xar_file_t, void *, size_t, void *context); 44 45typedef int (*fromheap_in)(xar_t x, xar_file_t f, xar_prop_t p, void **in, size_t *inlen, void **context); 46typedef int (*fromheap_out)(xar_t x, xar_file_t f, xar_prop_t p, void *in, size_t inlen, void **context); 47typedef int (*fromheap_done)(xar_t x, xar_file_t f, xar_prop_t p, void **context); 48 49typedef int (*toheap_in)(xar_t x, xar_file_t f, xar_prop_t p, void **in, size_t *inlen, void **context); 50typedef int (*toheap_out)(xar_t x, xar_file_t f, xar_prop_t p, void *in, size_t inlen, void **context); 51typedef int (*toheap_done)(xar_t x, xar_file_t f, xar_prop_t p, void **context); 52 53struct datamod { 54 fromheap_in fh_in; 55 fromheap_out fh_out; 56 fromheap_done fh_done; 57 toheap_in th_in; 58 toheap_out th_out; 59 toheap_done th_done; 60}; 61 62typedef struct xar_stream_state { 63 char *pending_buf; 64 size_t pending_buf_size; 65 66 void **modulecontext; 67 int modulecount; 68 size_t bsize; 69 int64_t fsize; 70 xar_t x; 71 xar_file_t f; 72 xar_prop_t p; 73} xar_stream_state_t; 74 75size_t xar_io_get_rsize(xar_t x); 76off_t xar_io_get_heap_base_offset(xar_t x); 77size_t xar_io_get_toc_checksum_length_for_type(const char *type); 78size_t xar_io_get_toc_checksum_length(xar_t x); 79off_t xar_io_get_file_offset(xar_t x, xar_file_t f, xar_prop_t p); 80int64_t xar_io_get_length(xar_prop_t p); 81 82int32_t xar_attrcopy_to_heap(xar_t x, xar_file_t f, xar_prop_t p, read_callback rcb, void *context); 83int32_t xar_attrcopy_from_heap(xar_t x, xar_file_t f, xar_prop_t p, write_callback wcb, void *context); 84int32_t xar_attrcopy_from_heap_to_heap(xar_t xsource, xar_file_t fsource, xar_prop_t p, xar_t xdest, xar_file_t fdest); 85int32_t xar_attrcopy_from_heap_to_stream_init(xar_t x, xar_file_t f, xar_prop_t p, xar_stream *stream); 86int32_t xar_attrcopy_from_heap_to_stream(xar_stream *stream); 87int32_t xar_attrcopy_from_heap_to_stream_end(xar_stream *stream); 88 89int32_t xar_heap_to_archive(xar_t x); 90 91#pragma mark internal 92 93// IMPORTANT: Keep count synchronized with declaration in io.c! 94extern struct datamod xar_datamods[6]; 95 96#endif /* _XAR_IO_H_ */ 97