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* Copyright (c) 2003-2007 Tim Kientzle
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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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* 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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* 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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__FBSDID("$FreeBSD: src/usr.bin/cpio/test/test_format_newc.c,v 1.2 2008/08/22 02:09:10 kientzle Exp $");
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/* Number of bytes needed to pad 'n' to multiple of 'block', assuming
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* that 'block' is a power of two. This trick can be more easily
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* remembered as -n & (block - 1), but many compilers quite reasonably
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* warn about "-n" when n is an unsigned value. (~(n) + 1) is the
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* same thing, but written in a way that won't offend anyone. */
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#define PAD(n, block) ((~(n) + 1) & ((block) - 1))
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is_hex(const char *p, size_t l)
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if ((*p >= '0' && *p <= '9')
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|| (*p >= 'a' && *p <= 'f')
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|| (*p >= 'A' && *p <= 'F'))
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from_hex(const char *p, size_t l)
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if (*p >= 'a' && *p <= 'f')
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else if (*p >= 'A' && *p <= 'F')
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DEFINE_TEST(test_format_newc)
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int devmajor, devminor, ino, gid;
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* Create an assortment of files.
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* TODO: Extend this to cover more filetypes.
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list = fopen("list", "w");
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assertMakeFile("file1", 0644, "1234567890");
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fprintf(list, "file1\n");
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assertMakeHardlink("hardlink", "file1");
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fprintf(list, "hardlink\n");
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/* Another hardlink, but this one won't be archived. */
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assertMakeHardlink("hardlink2", "file1");
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assertMakeSymlink("symlink", "file1");
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fprintf(list, "symlink\n");
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assertMakeDir("dir", 0775);
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fprintf(list, "dir\n");
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/* Record some facts about what we just created: */
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now = time(NULL); /* They were all created w/in last two seconds. */
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/* Use the cpio program to create an archive. */
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r = systemf("%s -o --format=newc <list >newc.out 2>newc.err",
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if (!assertEqualInt(r, 0))
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/* Verify that nothing went to stderr. */
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assertTextFileContents("2 blocks\n", "newc.err");
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assertTextFileContents("1 block\n", "newc.err");
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/* Verify that stdout is a well-formed cpio file in "newc" format. */
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p = slurpfile(&s, "newc.out");
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assertEqualInt(s, canSymlink() ? 1024 : 512);
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* Some of these assertions could be stronger, but it's
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* a little tricky because they depend on the local environment.
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/* First entry is "file1" */
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assert(is_hex(e, 110)); /* Entire header is octal digits. */
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assertEqualMem(e + 0, "070701", 6); /* Magic */
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ino = from_hex(e + 6, 8); /* ino */
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#if defined(_WIN32) && !defined(__CYGWIN__)
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/* Group members bits and others bits do not work. */
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assertEqualInt(0x8180, from_hex(e + 14, 8) & 0xffc0); /* Mode */
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assertEqualInt(0x81a4, from_hex(e + 14, 8)); /* Mode */
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uid = from_hex(e + 22, 8);
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assertEqualInt(from_hex(e + 22, 8), uid); /* uid */
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gid = from_hex(e + 30, 8); /* gid */
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assertEqualMem(e + 38, "00000003", 8); /* nlink */
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t = from_hex(e + 46, 8); /* mtime */
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failure("t=0x%08x now=0x%08x=%d", t, now, now);
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assert(t <= now); /* File wasn't created in future. */
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failure("t=0x%08x now - 2=0x%08x = %d", t, now - 2, now - 2);
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assert(t >= now - 2); /* File was created w/in last 2 secs. */
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failure("newc format stores body only with last appearance of a link\n"
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" first appearance should be empty, so this file size\n"
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" field should be zero");
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assertEqualInt(0, from_hex(e + 54, 8)); /* File size */
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fs = from_hex(e + 54, 8);
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devmajor = from_hex(e + 62, 8); /* devmajor */
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devminor = from_hex(e + 70, 8); /* devminor */
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assert(is_hex(e + 78, 8)); /* rdevmajor */
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assert(is_hex(e + 86, 8)); /* rdevminor */
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assertEqualMem(e + 94, "00000006", 8); /* Name size */
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ns = from_hex(e + 94, 8);
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ns += PAD(ns + 2, 4);
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assertEqualInt(0, from_hex(e + 102, 8)); /* check field */
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assertEqualMem(e + 110, "file1\0", 6); /* Name contents */
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/* Since there's another link, no file contents here. */
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/* But add in file size so that an error here doesn't cascade. */
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/* "symlink" pointing to "file1" */
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assert(is_hex(e, 110));
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assertEqualMem(e + 0, "070701", 6); /* Magic */
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assert(is_hex(e + 6, 8)); /* ino */
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assertEqualInt(0xa1ff, from_hex(e + 14, 8)); /* Mode */
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assertEqualInt(from_hex(e + 22, 8), uid); /* uid */
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assertEqualInt(gid, from_hex(e + 30, 8)); /* gid */
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assertEqualMem(e + 38, "00000001", 8); /* nlink */
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t2 = from_hex(e + 46, 8); /* mtime */
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failure("First entry created at t=0x%08x this entry created at t2=0x%08x", t, t2);
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assert(t2 == t || t2 == t + 1); /* Almost same as first entry. */
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assertEqualMem(e + 54, "00000005", 8); /* File size */
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fs = from_hex(e + 54, 8);
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assertEqualInt(devmajor, from_hex(e + 62, 8)); /* devmajor */
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assertEqualInt(devminor, from_hex(e + 70, 8)); /* devminor */
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assert(is_hex(e + 78, 8)); /* rdevmajor */
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assert(is_hex(e + 86, 8)); /* rdevminor */
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assertEqualMem(e + 94, "00000008", 8); /* Name size */
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ns = from_hex(e + 94, 8);
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ns += PAD(ns + 2, 4);
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assertEqualInt(0, from_hex(e + 102, 8)); /* check field */
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assertEqualMem(e + 110, "symlink\0\0\0", 10); /* Name contents */
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assertEqualMem(e + 110 + ns, "file1\0\0\0", 8); /* symlink target */
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assert(is_hex(e, 110));
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assertEqualMem(e + 0, "070701", 6); /* Magic */
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assert(is_hex(e + 6, 8)); /* ino */
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#if defined(_WIN32) && !defined(__CYGWIN__)
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/* Group members bits and others bits do not work. */
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assertEqualInt(0x41c0, from_hex(e + 14, 8) & 0xffc0); /* Mode */
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/* Mode: sgid bit sometimes propagates from parent dirs, ignore it. */
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assertEqualInt(040775, from_hex(e + 14, 8) & ~02000);
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assertEqualInt(from_hex(e + 22, 8), uid); /* uid */
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assertEqualInt(gid, from_hex(e + 30, 8)); /* gid */
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#ifndef NLINKS_INACCURATE_FOR_DIRS
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assertEqualMem(e + 38, "00000002", 8); /* nlink */
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t2 = from_hex(e + 46, 8); /* mtime */
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failure("First entry created at t=0x%08x this entry created at t2=0x%08x", t, t2);
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assert(t2 == t || t2 == t + 1); /* Almost same as first entry. */
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assertEqualMem(e + 54, "00000000", 8); /* File size */
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fs = from_hex(e + 54, 8);
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assertEqualInt(devmajor, from_hex(e + 62, 8)); /* devmajor */
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assertEqualInt(devminor, from_hex(e + 70, 8)); /* devminor */
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assert(is_hex(e + 78, 8)); /* rdevmajor */
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assert(is_hex(e + 86, 8)); /* rdevminor */
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assertEqualMem(e + 94, "00000004", 8); /* Name size */
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ns = from_hex(e + 94, 8);
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ns += PAD(ns + 2, 4);
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assertEqualInt(0, from_hex(e + 102, 8)); /* check field */
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assertEqualMem(e + 110, "dir\0\0\0", 6); /* Name contents */
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/* Hardlink identical to "file1" */
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/* Since we only wrote two of the three links to this
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* file, this link should get deferred by the hardlink logic. */
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assert(is_hex(e, 110));
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assertEqualMem(e + 0, "070701", 6); /* Magic */
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failure("If these aren't the same, then the hardlink detection failed to match them.");
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assertEqualInt(ino, from_hex(e + 6, 8)); /* ino */
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#if defined(_WIN32) && !defined(__CYGWIN__)
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/* Group members bits and others bits do not work. */
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assertEqualInt(0x8180, from_hex(e + 14, 8) & 0xffc0); /* Mode */
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assertEqualInt(0x81a4, from_hex(e + 14, 8)); /* Mode */
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assertEqualInt(from_hex(e + 22, 8), uid); /* uid */
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assertEqualInt(gid, from_hex(e + 30, 8)); /* gid */
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assertEqualMem(e + 38, "00000003", 8); /* nlink */
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t2 = from_hex(e + 46, 8); /* mtime */
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failure("First entry created at t=0x%08x this entry created at t2=0x%08x", t, t2);
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assert(t2 == t || t2 == t + 1); /* Almost same as first entry. */
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assertEqualInt(10, from_hex(e + 54, 8)); /* File size */
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fs = from_hex(e + 54, 8);
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assertEqualInt(devmajor, from_hex(e + 62, 8)); /* devmajor */
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assertEqualInt(devminor, from_hex(e + 70, 8)); /* devminor */
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assert(is_hex(e + 78, 8)); /* rdevmajor */
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assert(is_hex(e + 86, 8)); /* rdevminor */
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assertEqualMem(e + 94, "00000009", 8); /* Name size */
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ns = from_hex(e + 94, 8);
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ns += PAD(ns + 2, 4);
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assertEqualInt(0, from_hex(e + 102, 8)); /* check field */
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assertEqualMem(e + 110, "hardlink\0\0", 10); /* Name contents */
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assertEqualMem(e + 110 + ns, "1234567890\0\0", 12); /* File contents */
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/* Last entry is end-of-archive marker. */
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assert(is_hex(e, 110));
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assertEqualMem(e + 0, "070701", 6); /* Magic */
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assertEqualMem(e + 8, "00000000", 8); /* ino */
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assertEqualMem(e + 14, "00000000", 8); /* mode */
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assertEqualMem(e + 22, "00000000", 8); /* uid */
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assertEqualMem(e + 30, "00000000", 8); /* gid */
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assertEqualMem(e + 38, "00000001", 8); /* nlink */
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assertEqualMem(e + 46, "00000000", 8); /* mtime */
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assertEqualMem(e + 54, "00000000", 8); /* size */
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assertEqualMem(e + 62, "00000000", 8); /* devmajor */
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assertEqualMem(e + 70, "00000000", 8); /* devminor */
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assertEqualMem(e + 78, "00000000", 8); /* rdevmajor */
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assertEqualMem(e + 86, "00000000", 8); /* rdevminor */
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assertEqualInt(11, from_hex(e + 94, 8)); /* name size */
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assertEqualMem(e + 102, "00000000", 8); /* check field */
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assertEqualMem(e + 110, "TRAILER!!!\0\0", 12); /* Name */