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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* High Sierra filesystem specification
* Copyright (c) 1989 by Sun Microsystem, Inc.
*/
#ifndef _HSFS_SPEC_H_
#define _HSFS_SPEC_H_
#include <sys/isa_defs.h> /* for ENDIAN defines */
/* routines required for date parsing */
extern void hs_parse_dirdate(); /* parse date in directory */
extern void hs_parse_longdate(); /* parse date in volume id */
/* macros to parse binary integers */
#define ZERO(x) (u_int) (((u_char *)(x))[0])
#define ONE(x) (u_int) (((u_char *)(x))[1])
#define TWO(x) (u_int) (((u_char *)(x))[2])
#define THREE(x) (u_int) (((u_char *)(x))[3])
#define MSB_INT(x) \
((((((ZERO(x) << 8) | ONE(x)) << 8) | TWO(x)) << 8) | THREE(x))
#define LSB_INT(x) \
((((((THREE(x) << 8) | TWO(x)) << 8) | ONE(x)) << 8) | ZERO(x))
#define MSB_SHORT(x) ((ZERO(x) << 8) | ONE(x))
#define LSB_SHORT(x) ((ONE(x) << 8) | ZERO(x))
/* for sun 3 only */
#if defined(_LITTLE_ENDIAN)
#define BOTH_SHORT(x) (short) *((short *)x)
#define BOTH_INT(x) (int) *((int *)x)
#endif
/*
* The following describes actual on-disk structures.
* To achieve portability, all structures are #defines
* rather than a structure definition. Macros are provided
* to get either the data or address of individual fields.
*/
/* Overall High Sierra disk structure */
#define HS_SECTOR_SIZE 2048 /* bytes per logical sector */
#define HS_SECTOR_SHIFT 11 /* sector<->byte shift count */
#define HS_SEC_PER_PAGE (PAGESIZE/HS_SECTOR_SIZE) /* sectors per page */
#define HS_SYSAREA_SEC 0 /* 1st sector of system area */
#define HS_VOLDESC_SEC 16 /* 1st sector of volume descriptors */
#define MAXHSOFFSET (HS_SECTOR_SIZE - 1)
#define MAXHSMASK (~MAXHSOFFSET)
/* Standard File Structure Volume Descriptor */
enum hs_voldesc_type {
VD_BOOT=0, VD_SFS=1, VD_CCFS=2, VD_UNSPEC=3, VD_EOV=255
};
#define HSV_ID_STRING "CDROM" /* HSV_std_id field */
#define HSV_ID_STRLEN 5 /* HSV_std_id field length */
#define HSV_ID_VER 1 /* HSV_std_ver field */
#define HSV_FILE_STRUCT_ID_VER 1 /* HSV_file_struct_ver field */
#define HSV_SYS_ID_STRLEN 32 /* HSV_sys_id field length */
#define HSV_VOL_ID_STRLEN 32 /* HSV_vol_id field length */
#define HSV_VOL_SET_ID_STRLEN 128 /* HSV_vol_set_id field length */
#define HSV_PUB_ID_STRLEN 128 /* HSV_pub_id field length */
#define HSV_PREP_ID_STRLEN 128 /* HSV_prep_id field length */
#define HSV_APPL_ID_STRLEN 128 /* HSV_appl_id field length */
#define HSV_COPYR_ID_STRLEN 32 /* HSV_copyr_id field length */
#define HSV_ABSTR_ID_STRLEN 32 /* HSV_abstr_id field length */
#define HSV_DATE_LEN 16 /* HSV date filed length */
/* macros to get the address of each field */
#define HSV_desc_lbn(x) (&((u_char *)x)[0])
#define HSV_desc_type(x) (&((u_char *)x)[8])
#define HSV_std_id(x) (&((u_char *)x)[9])
#define HSV_std_ver(x) (&((u_char *)x)[14])
#define HSV_sys_id(x) (&((u_char *)x)[16])
#define HSV_vol_id(x) (&((u_char *)x)[48])
#define HSV_vol_size(x) (&((u_char *)x)[88])
#define HSV_set_size(x) (&((u_char *)x)[128])
#define HSV_set_seq(x) (&((u_char *)x)[132])
#define HSV_blk_size(x) (&((u_char *)x)[136])
#define HSV_ptbl_size(x) (&((u_char *)x)[140])
#define HSV_ptbl_man_ls(x) (&((u_char *)x)[148])
#define HSV_ptbl_opt_ls1(x) (&((u_char *)x)[152])
#define HSV_ptbl_opt_ls2(x) (&((u_char *)x)[156])
#define HSV_ptbl_opt_ls3(x) (&((u_char *)x)[160])
#define HSV_ptbl_man_ms(x) (&((u_char *)x)[164])
#define HSV_ptbl_opt_ms1(x) (&((u_char *)x)[168])
#define HSV_ptbl_opt_ms2(x) (&((u_char *)x)[172])
#define HSV_ptbl_opt_ms3(x) (&((u_char *)x)[176])
#define HSV_root_dir(x) (&((u_char *)x)[180])
#define HSV_vol_set_id(x) (&((u_char *)x)[214])
#define HSV_pub_id(x) (&((u_char *)x)[342])
#define HSV_prep_id(x) (&((u_char *)x)[470])
#define HSV_appl_id(x) (&((u_char *)x)[598])
#define HSV_copyr_id(x) (&((u_char *)x)[726])
#define HSV_abstr_id(x) (&((u_char *)x)[758])
#define HSV_cre_date(x) (&((u_char *)x)[790])
#define HSV_mod_date(x) (&((u_char *)x)[806])
#define HSV_exp_date(x) (&((u_char *)x)[822])
#define HSV_eff_date(x) (&((u_char *)x)[838])
#define HSV_file_struct_ver(x) (&((u_char *)x)[854])
/* macros to get the values of each field (strings are returned as ptrs) */
#define HSV_DESC_LBN(x) BOTH_INT(HSV_desc_lbn(x))
#define HSV_DESC_TYPE(x) ((enum hs_voldesc_type)*(HSV_desc_type(x)))
#define HSV_STD_ID(x) HSV_std_id(x)
#define HSV_STD_VER(x) *(HSV_std_ver(x))
#define HSV_SYS_ID(x) HSV_sys_id(x)
#define HSV_VOL_ID(x) HSV_vol_id(x)
#define HSV_VOL_SIZE(x) BOTH_INT(HSV_vol_size(x))
#define HSV_SET_SIZE(x) BOTH_SHORT(HSV_set_size(x))
#define HSV_SET_SEQ(x) BOTH_SHORT(HSV_set_seq(x))
#define HSV_BLK_SIZE(x) BOTH_SHORT(HSV_blk_size(x))
#define HSV_PTBL_SIZE(x) BOTH_INT(HSV_ptbl_size(x))
#define HSV_PTBL_MAN_LS(x) LSB_INT(HSV_ptbl_man_ls(x))
#define HSV_PTBL_OPT_LS1(x) LSB_INT(HSV_ptbl_opt_ls1(x))
#define HSV_PTBL_OPT_LS2(x) LSB_INT(HSV_ptbl_opt_ls2(x))
#define HSV_PTBL_OPT_LS3(x) LSB_INT(HSV_ptbl_opt_ls3(x))
#define HSV_PTBL_MAN_MS(x) MSB_INT(HSV_ptbl_man_ms(x))
#define HSV_PTBL_OPT_MS1(x) MSB_INT(HSV_ptbl_opt_ms1(x))
#define HSV_PTBL_OPT_MS2(x) MSB_INT(HSV_ptbl_opt_ms2(x))
#define HSV_PTBL_OPT_MS3(x) MSB_INT(HSV_ptbl_opt_ms3(x))
#define HSV_ROOT_DIR(x) HSV_root_dir(x)
#define HSV_VOL_SET_ID(x) HSV_vol_set_id(x)
#define HSV_PUB_ID(x) HSV_pub_id(x)
#define HSV_PREP_ID(x) HSV_prep_id(x)
#define HSV_APPL_ID(x) HSV_appl_id(x)
#define HSV_COPYR_ID(x) HSV_copyr_id(x)
#define HSV_ABSTR_ID(x) HSV_abstr_id(x)
#define HSV_CRE_DATE(x) HSV_cre_date(x)
#define HSV_MOD_DATE(x) HSV_mod_date(x)
#define HSV_EXP_DATE(x) HSV_exp_date(x)
#define HSV_EFF_DATE(x) HSV_eff_date(x)
#define HSV_FILE_STRUCT_VER(x) *(HSV_file_struct_ver(x))
/* Standard File Structure Volume Descriptor date fields */
#define HSV_DATE_2DIG(x) ( (((x)[0] - '0') * 10) + \
((x)[1] - '0') )
#define HSV_DATE_4DIG(x) ( (((x)[0] - '0') * 1000) + \
(((x)[1] - '0') * 100) + \
(((x)[2] - '0') * 10) + \
((x)[3] - '0') )
#define HSV_DATE_YEAR(x) HSV_DATE_4DIG(&((u_char *)x)[0])
#define HSV_DATE_MONTH(x) HSV_DATE_2DIG(&((u_char *)x)[4])
#define HSV_DATE_DAY(x) HSV_DATE_2DIG(&((u_char *)x)[6])
#define HSV_DATE_HOUR(x) HSV_DATE_2DIG(&((u_char *)x)[8])
#define HSV_DATE_MIN(x) HSV_DATE_2DIG(&((u_char *)x)[10])
#define HSV_DATE_SEC(x) HSV_DATE_2DIG(&((u_char *)x)[12])
#define HSV_DATE_HSEC(x) HSV_DATE_2DIG(&((u_char *)x)[14])
/* Path table enry */
/* fix size of path table entry */
#define HPE_FPESIZE 8
/* macros to get the address of each field */
#define HPE_ext_lbn(x) (&((u_char *)x)[0])
#define HPE_xar_len(x) (&((u_char *)x)[4])
#define HPE_name_len(x) (&((u_char *)x)[5])
#define HPE_parent_no(x) (&((u_char *)x)[6])
#define HPE_name(x) (&((u_char *)x)[8])
/* macros to get the values of each field */
#if sun4
#define HPE_EXT_LBN(x) (MSB_INT(HPE_ext_lbn(x)))
#else
#define HPE_EXT_LBN(x) *(int *)(HPE_ext_lbn(x))
#endif
#define HPE_XAR_LEN(x) *(HPE_xar_len(x))
#define HPE_NAME_LEN(x) *(HPE_name_len(x))
#define HPE_PARENT_NO(x) *(short *)(HPE_parent_no(x))
#define HPE_NAME(x) HPE_name(x)
/* root record */
#define HDE_ROOT_DIR_REC_SIZE 34 /* size of root directory record */
#define HDE_FDESIZE 33 /* fixed size for hsfs directory area */
#define HDE_FUSIZE 12 /* fixed size for unix areaa */
/* max size of a name */
#define HDE_MAX_NAME_LEN (255 - HDE_FDESIZE - HDE_FUSIZE)
/* Directory Entry (Directory Record) */
#define UNIX_TO_HDE_DATE(t,p) parse_unixdate(t, p) /* return val at p */
/* macros to get the address of each field */
#define HDE_dir_len(x) (&((u_char *)x)[0])
#define HDE_xar_len(x) (&((u_char *)x)[1])
#define HDE_ext_lbn(x) (&((u_char *)x)[2])
#define HDE_ext_size(x) (&((u_char *)x)[10])
#define HDE_cdate(x) (&((u_char *)x)[18])
#define HDE_flags(x) (&((u_char *)x)[24])
#define HDE_reserved(x) (&((u_char *)x)[25])
#define HDE_intrlv_size(x) (&((u_char *)x)[26])
#define HDE_intrlv_skip(x) (&((u_char *)x)[27])
#define HDE_vol_set(x) (&((u_char *)x)[28])
#define HDE_name_len(x) (&((u_char *)x)[32])
#define HDE_name(x) (&((u_char *)x)[33])
/***UNIX extension****/
#define HDE_mode(x) (&((u_char *)x)[0])
#define HDE_uid(x) (&((u_char *)x)[4])
#define HDE_gid(x) (&((u_char *)x)[8])
/* macros to get the values of each field (strings are returned as ptrs) */
#define HDE_DIR_LEN(x) *(HDE_dir_len(x))
#define HDE_XAR_LEN(x) *(HDE_xar_len(x))
#define HDE_EXT_LBN(x) BOTH_INT(HDE_ext_lbn(x))
#define HDE_EXT_SIZE(x) BOTH_INT(HDE_ext_size(x))
#define HDE_CDATE(x) HDE_cdate(x)
#define HDE_FLAGS(x) *(HDE_flags(x))
#define HDE_RESERVED(x) *(HDE_reserved(x))
#define HDE_INTRLV_SIZE(x) *(HDE_intrlv_size(x))
#define HDE_INTRLV_SKIP(x) *(HDE_intrlv_skip(x))
#define HDE_VOL_SET(x) BOTH_SHORT(HDE_vol_set(x))
#define HDE_NAME_LEN(x) *(HDE_name_len(x))
#define HDE_NAME(x) HDE_name(x)
/***UNIX EXTENSION*****/
#define HDE_MODE(x) *(HDE_mode(x))
#define HDE_UID(x) *(HDE_uid(x))
#define HDE_GID(x) *(HDE_gid(x))
/* mask bits for HDE_FLAGS */
#define HDE_EXISTENCE 0x01 /* zero if file exists */
#define HDE_DIRECTORY 0x02 /* zero if file is not a directory */
#define HDE_ASSOCIATED 0x04 /* zero if file is not Associated */
#define HDE_RECORD 0x08 /* zero if no record attributes */
#define HDE_PROTECTION 0x10 /* zero if no protection attributes */
#define HDE_UNUSED_FLAGS 0x60
#define HDE_LAST_EXTENT 0x80 /* zero if last extent in file */
#define HDE_PROHIBITED (HDE_DIRECTORY | HDE_ASSOCIATED | HDE_RECORD | \
HDE_LAST_EXTENT | HDE_UNUSED_FLAGS)
/* Directory Record date fields */
#define HDE_DATE_YEAR(x) (((u_char *)x)[0] + 1900)
#define HDE_DATE_MONTH(x) (((u_char *)x)[1])
#define HDE_DATE_DAY(x) (((u_char *)x)[2])
#define HDE_DATE_HOUR(x) (((u_char *)x)[3])
#define HDE_DATE_MIN(x) (((u_char *)x)[4])
#define HDE_DATE_SEC(x) (((u_char *)x)[5])
/* tests for Interchange Levels 1 & 2 file types */
#define HDE_REGULAR_FILE(x) (((x) & HDE_PROHIBITED) == 0)
#define HDE_REGULAR_DIR(x) (((x) & HDE_PROHIBITED) == HDE_DIRECTORY)
#define HS_DIR_NAMELEN 31 /* max length of a directory name */
#define HS_FILE_NAMELEN 31 /* max length of a filename */
#endif /*!_HSFS_SPEC_H_*/
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