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Length: 2264 (0x8d8)
Types: TextFile
Notes: UNIX file
Names: »ino.h«
└─⟦f27320a65⟧ Bits:30001972 Commodore 900 hard disk image with partial source code
└─⟦2d53db1df⟧ UNIX V7 Filesystem
└─ ⟦this⟧ »sys/h/ino.h«
/* (-lgl
* The information contained herein is a trade secret of Mark Williams
* Company, and is confidential information. It is provided under a
* license agreement, and may be copied or disclosed only under the
* terms of that agreement. Any reproduction or disclosure of this
* material without the express written authorization of Mark Williams
* Company or persuant to the license agreement is unlawful.
*
* COHERENT Version 0.7.3
* Copyright (c) 1982, 1983, 1984.
* An unpublished work by Mark Williams Company, Chicago.
* All rights reserved.
-lgl) */
/*
* Disk inode.
*/
#ifndef INO_H
#define INO_H
#include <types.h>
/*
* Structure of inode as it appears on disk.
*/
struct dinode {
unsigned short di_mode; /* Mode */
short di_nlink; /* Link count */
short di_uid; /* User id of owner */
short di_gid; /* Group id of owner */
size_t di_size; /* Size of file in bytes */
union {
char di_addb[40]; /* Disk block addresses */
dev_t di_rdev; /* Device */
struct { /* Pipes */
char dp_addp[30];
short dp_pnc;
short dp_prx;
short dp_pwx;
} di_p;
} di_a;
time_t di_atime; /* Last access time */
time_t di_mtime; /* Last modify time */
time_t di_ctime; /* Last creation time */
};
/*
* Compatibility.
*/
#define di_addr di_a.di_addb
#define di_addp di_p.dp_addp
#define di_pnc di_p.dp_pnc
#define di_prx di_p.dp_prx
#define di_pwx di_p.dp_pwx
/*
* Miscellaneous manifests.
*/
#define NBN 128 /* Number of indirects per block */
#define L2NBN 7 /* Log2(NBN) */
#define ND 10 /* Number of direct blocks */
#define NI 3 /* Number of indirect blocks */
#define NADDR 13 /* Total number of addresses */
/*
* Modes.
*/
#define IFMT 0170000 /* Type */
#define IFDIR 0040000 /* Directory */
#define IFCHR 0020000 /* Character special file */
#define IFBLK 0060000 /* Block special file */
#define IFREG 0100000 /* Regular file */
#define IFMPC 0030000 /* Multiplexed character special */
#define IFMPB 0070000 /* Multiplexed block special */
#define IFPIPE 0010000 /* Pipe */
#define ISUID 0004000 /* Set user id on execution */
#define ISGID 0002000 /* Set group id on execution */
#define ISVTXT 0001000 /* Save swapped text even after use */
#endif