319 lines
8.5 KiB
C
319 lines
8.5 KiB
C
/*-
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* Copyright (c) 2003-2007 Tim Kientzle
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "test.h"
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__FBSDID("$FreeBSD$");
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struct contents {
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off_t o;
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size_t s;
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const char *d;
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};
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struct contents archive_contents_sparse[] = {
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{ 1000000, 1, "a" },
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{ 2000000, 1, "a" },
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{ 3145728, 0, NULL }
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};
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struct contents archive_contents_sparse2[] = {
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{ 1000000, 1, "a" },
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{ 2000000, 1, "a" },
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{ 3000000, 1, "a" },
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{ 4000000, 1, "a" },
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{ 5000000, 1, "a" },
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{ 6000000, 1, "a" },
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{ 7000000, 1, "a" },
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{ 8000000, 1, "a" },
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{ 9000000, 1, "a" },
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{ 10000000, 1, "a" },
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{ 11000000, 1, "a" },
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{ 12000000, 1, "a" },
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{ 13000000, 1, "a" },
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{ 14000000, 1, "a" },
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{ 15000000, 1, "a" },
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{ 16000000, 1, "a" },
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{ 17000000, 1, "a" },
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{ 18000000, 1, "a" },
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{ 19000000, 1, "a" },
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{ 20000000, 1, "a" },
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{ 21000000, 1, "a" },
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{ 22000000, 1, "a" },
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{ 23000000, 1, "a" },
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{ 24000000, 1, "a" },
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{ 25000000, 1, "a" },
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{ 26000000, 1, "a" },
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{ 27000000, 1, "a" },
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{ 28000000, 1, "a" },
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{ 29000000, 1, "a" },
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{ 30000000, 1, "a" },
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{ 31000000, 1, "a" },
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{ 32000000, 1, "a" },
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{ 33000000, 1, "a" },
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{ 34000000, 1, "a" },
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{ 35000000, 1, "a" },
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{ 36000000, 1, "a" },
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{ 37000000, 1, "a" },
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{ 38000000, 1, "a" },
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{ 39000000, 1, "a" },
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{ 40000000, 1, "a" },
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{ 41000000, 1, "a" },
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{ 42000000, 1, "a" },
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{ 43000000, 1, "a" },
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{ 44000000, 1, "a" },
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{ 45000000, 1, "a" },
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{ 46000000, 1, "a" },
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{ 47000000, 1, "a" },
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{ 48000000, 1, "a" },
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{ 49000000, 1, "a" },
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{ 50000000, 1, "a" },
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{ 51000000, 1, "a" },
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{ 52000000, 1, "a" },
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{ 53000000, 1, "a" },
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{ 54000000, 1, "a" },
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{ 55000000, 1, "a" },
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{ 56000000, 1, "a" },
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{ 57000000, 1, "a" },
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{ 58000000, 1, "a" },
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{ 59000000, 1, "a" },
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{ 60000000, 1, "a" },
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{ 61000000, 1, "a" },
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{ 62000000, 1, "a" },
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{ 63000000, 1, "a" },
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{ 64000000, 1, "a" },
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{ 65000000, 1, "a" },
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{ 66000000, 1, "a" },
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{ 67000000, 1, "a" },
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{ 68000000, 1, "a" },
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{ 69000000, 1, "a" },
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{ 70000000, 1, "a" },
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{ 71000000, 1, "a" },
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{ 72000000, 1, "a" },
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{ 73000000, 1, "a" },
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{ 74000000, 1, "a" },
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{ 75000000, 1, "a" },
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{ 76000000, 1, "a" },
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{ 77000000, 1, "a" },
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{ 78000000, 1, "a" },
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{ 79000000, 1, "a" },
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{ 80000000, 1, "a" },
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{ 81000000, 1, "a" },
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{ 82000000, 1, "a" },
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{ 83000000, 1, "a" },
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{ 84000000, 1, "a" },
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{ 85000000, 1, "a" },
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{ 86000000, 1, "a" },
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{ 87000000, 1, "a" },
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{ 88000000, 1, "a" },
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{ 89000000, 1, "a" },
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{ 90000000, 1, "a" },
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{ 91000000, 1, "a" },
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{ 92000000, 1, "a" },
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{ 93000000, 1, "a" },
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{ 94000000, 1, "a" },
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{ 95000000, 1, "a" },
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{ 96000000, 1, "a" },
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{ 97000000, 1, "a" },
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{ 98000000, 1, "a" },
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{ 99000000, 1, "a" },
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{ 99000001, 0, NULL }
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};
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struct contents archive_contents_nonsparse[] = {
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{ 0, 1, "a" },
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{ 1, 0, NULL }
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};
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/*
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* Describe an archive with three entries:
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*
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* File 1: named "sparse"
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* * a length of 3145728 bytes (3MiB)
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* * a single 'a' byte at offset 1000000
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* * a single 'a' byte at offset 2000000
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* File 2: named "sparse2"
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* * a single 'a' byte at offset 1,000,000, 2,000,000, ..., 99,000,000
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* * length of 99,000,001
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* File 3: named 'non-sparse'
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* * length of 1 byte
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* * contains a single byte 'a'
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*/
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struct archive_contents {
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const char *filename;
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struct contents *contents;
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} files[] = {
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{ "sparse", archive_contents_sparse },
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{ "sparse2", archive_contents_sparse2 },
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{ "non-sparse", archive_contents_nonsparse },
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{ NULL, NULL }
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};
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static void
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verify_archive_file(const char *name, struct archive_contents *ac)
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{
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struct archive_entry *ae;
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int err;
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/* data, size, offset of next expected block. */
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struct contents expect;
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/* data, size, offset of block read from archive. */
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struct contents actual;
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const void *p;
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struct archive *a;
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extract_reference_file(name);
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assert((a = archive_read_new()) != NULL);
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assert(0 == archive_read_support_compression_all(a));
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assert(0 == archive_read_support_format_tar(a));
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failure("Can't open %s", name);
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assert(0 == archive_read_open_filename(a, name, 3));
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while (ac->filename != NULL) {
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struct contents *cts = ac->contents;
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if (!assertEqualIntA(a, 0, archive_read_next_header(a, &ae))) {
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assert(0 == archive_read_finish(a));
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return;
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}
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failure("Name mismatch in archive %s", name);
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assertEqualString(ac->filename, archive_entry_pathname(ae));
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expect = *cts++;
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while (0 == (err = archive_read_data_block(a,
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&p, &actual.s, &actual.o))) {
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actual.d = p;
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while (actual.s > 0) {
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char c = *actual.d;
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if(actual.o < expect.o) {
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/*
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* Any byte before the expected
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* data must be NULL.
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*/
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failure("%s: pad at offset %d "
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"should be zero", name, actual.o);
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assertEqualInt(c, 0);
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} else if (actual.o == expect.o) {
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/*
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* Data at matching offsets must match.
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*/
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assertEqualInt(c, *expect.d);
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expect.d++;
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expect.o++;
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expect.s--;
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/* End of expected? step to next expected. */
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if (expect.s <= 0)
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expect = *cts++;
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} else {
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/*
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* We found data beyond that expected.
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*/
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failure("%s: Unexpected trailing data",
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name);
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assert(actual.o <= expect.o);
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archive_read_finish(a);
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return;
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}
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actual.d++;
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actual.o++;
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actual.s--;
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}
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}
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failure("%s: should be end of entry", name);
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assertEqualIntA(a, err, ARCHIVE_EOF);
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failure("%s: Size returned at EOF must be zero", name);
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assertEqualInt((int)actual.s, 0);
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#if ARCHIVE_VERSION_NUMBER < 1009000
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/* libarchive < 1.9 doesn't get this right */
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skipping("offset of final sparse chunk");
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#else
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failure("%s: Offset of final empty chunk must be same as file size", name);
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assertEqualInt(actual.o, expect.o);
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#endif
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/* Step to next file description. */
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++ac;
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}
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err = archive_read_next_header(a, &ae);
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assertEqualIntA(a, ARCHIVE_EOF, err);
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assert(0 == archive_read_close(a));
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#if ARCHIVE_VERSION_NUMBER < 2000000
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archive_read_finish(a);
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#else
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assert(0 == archive_read_finish(a));
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#endif
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}
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DEFINE_TEST(test_read_format_gtar_sparse)
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{
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/* Two archives that use the "GNU tar sparse format". */
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verify_archive_file("test_read_format_gtar_sparse_1_13.tar", files);
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verify_archive_file("test_read_format_gtar_sparse_1_17.tar", files);
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/*
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* libarchive < 1.9 doesn't support the newer --posix sparse formats
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* from GNU tar 1.15 and later.
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*/
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#if ARCHIVE_VERSION_NUMBER < 1009000
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skipping("read support for GNUtar --posix sparse formats");
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#else
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/*
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* An archive created by GNU tar 1.17 using --posix --sparse-format=0.1
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*/
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verify_archive_file(
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"test_read_format_gtar_sparse_1_17_posix00.tar",
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files);
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/*
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* An archive created by GNU tar 1.17 using --posix --sparse-format=0.1
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*/
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verify_archive_file(
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"test_read_format_gtar_sparse_1_17_posix01.tar",
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files);
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/*
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* An archive created by GNU tar 1.17 using --posix --sparse-format=1.0
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*/
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verify_archive_file(
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"test_read_format_gtar_sparse_1_17_posix10.tar",
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files);
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/*
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* The last test archive here is a little odd. First, it's
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* uncompressed, because that exercises some of the block
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* reassembly code a little harder. Second, it includes some
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* leading comments prior to the sparse block description.
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* GNU tar doesn't do this, but I think it should, so I want
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* to ensure that libarchive correctly ignores such comments.
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* Dump the file, looking for "#!gnu-sparse-format" starting
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* at byte 0x600.
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*/
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verify_archive_file(
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"test_read_format_gtar_sparse_1_17_posix10_modified.tar",
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files);
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#endif
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}
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