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56 lines
2.2 KiB
C
56 lines
2.2 KiB
C
/* archive file definition for GNU software
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Copyright (C) 2001-2017 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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/* So far this is correct for BSDish archives. Don't forget that
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files must begin on an even byte boundary. */
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#ifndef __GNU_AR_H__
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#define __GNU_AR_H__
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/* Note that the usual '\n' in magic strings may translate to different
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characters, as allowed by ANSI. '\012' has a fixed value, and remains
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compatible with existing BSDish archives. */
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#define ARMAG "!<arch>\012" /* For COFF and a.out archives. */
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#define ARMAGB "!<bout>\012" /* For b.out archives. */
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#define ARMAGT "!<thin>\012" /* For thin archives. */
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#define SARMAG 8
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#define ARFMAG "`\012"
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/* The ar_date field of the armap (__.SYMDEF) member of an archive
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must be greater than the modified date of the entire file, or
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BSD-derived linkers complain. We originally write the ar_date with
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this offset from the real file's mod-time. After finishing the
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file, we rewrite ar_date if it's not still greater than the mod date. */
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#define ARMAP_TIME_OFFSET 60
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struct ar_hdr
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{
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char ar_name[16]; /* Name of this member. */
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char ar_date[12]; /* File mtime. */
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char ar_uid[6]; /* Owner uid; printed as decimal. */
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char ar_gid[6]; /* Owner gid; printed as decimal. */
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char ar_mode[8]; /* File mode, printed as octal. */
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char ar_size[10]; /* File size, printed as decimal. */
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char ar_fmag[2]; /* Should contain ARFMAG. */
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};
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#endif /* __GNU_AR_H__ */
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