85b4c344c8
exfat is fundamentally the same design as fat32. The superblock differs marginally, and there are some additional optional features irrelevant to fstype(8); the structure of dirents has changed slightly to enable, among other things, larger files; the directory entries are no longer DOS 8.3 ASCII or local 8-bit encoding, but instead explicitly UCS-2-LE. (As a result, this change uses iconv to convert a found exfat volume label to the user's locale.) Locating the volume label is identical to FAT32: locate the root directory and walk through dirents until you find a volume label. Like FAT32, follow the FAT chain between root directory clusters as necessary. PR: 242225 Reported by: Victor Sudakov <vas AT sibptus.ru>
60 lines
2.3 KiB
C
60 lines
2.3 KiB
C
/*-
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* Copyright (c) 2014 The FreeBSD Foundation
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* All rights reserved.
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*
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* This software was developed by Edward Tomasz Napierala under sponsorship
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* from the FreeBSD Foundation.
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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 AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef FSTYP_H
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#define FSTYP_H
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#include <stdbool.h>
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#define MIN(a,b) (((a)<(b))?(a):(b))
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/* The spec doesn't seem to permit UTF-16 surrogates; definitely LE. */
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#define EXFAT_ENC "UCS-2LE"
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extern bool show_label; /* -l flag */
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void *read_buf(FILE *fp, off_t off, size_t len);
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char *checked_strdup(const char *s);
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void rtrim(char *label, size_t size);
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int fstyp_cd9660(FILE *fp, char *label, size_t size);
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int fstyp_exfat(FILE *fp, char *label, size_t size);
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int fstyp_ext2fs(FILE *fp, char *label, size_t size);
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int fstyp_geli(FILE *fp, char *label, size_t size);
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int fstyp_msdosfs(FILE *fp, char *label, size_t size);
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int fstyp_ntfs(FILE *fp, char *label, size_t size);
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int fstyp_ufs(FILE *fp, char *label, size_t size);
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#ifdef HAVE_ZFS
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int fstyp_zfs(FILE *fp, char *label, size_t size);
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#endif
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#endif /* !FSTYP_H */
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