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47 lines
2.4 KiB
C
47 lines
2.4 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│ vi: set et ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi │
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2021 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/nt/enum/fileflagandattributes.h"
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#include "libc/sysv/consts/s.h"
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#include "libc/zip.h"
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static int ConvertWindowsToUnixMode(int x) {
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int m;
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if (x & kNtFileAttributeReadonly) {
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m = 0444;
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} else {
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m = 0644;
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}
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if (x & kNtFileAttributeDirectory) {
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m |= S_IFDIR | 0111;
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} else {
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m |= S_IFREG;
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}
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return m;
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}
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/**
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* Returns st_mode from ZIP central directory record.
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*/
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int GetZipCfileMode(const uint8_t *p) {
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if (ZIP_CFILE_FILEATTRCOMPAT(p) == kZipOsUnix) {
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return ZIP_CFILE_EXTERNALATTRIBUTES(p) >> 16;
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} else {
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return ConvertWindowsToUnixMode(ZIP_CFILE_EXTERNALATTRIBUTES(p));
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}
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}
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