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Root/branches/iFabio/i386/libsaio/msdos_private.h

Source at commit 214 created 13 years 5 months ago.
By ifabio, update to chameleon trunk 630, and now the pakage folder is the same as blackosx branch, also add Icon "building" into buildpkg script, and add mint theme info into the English localizable.strings.
1/*␊
2 * Copyright (c) 2004 Apple Computer, Inc. All rights reserved.␊
3 *␊
4 * @APPLE_LICENSE_HEADER_START@␊
5 * ␊
6 * The contents of this file constitute Original Code as defined in and␊
7 * are subject to the Apple Public Source License Version 2.0 (the␊
8 * "License"). You may not use this file except in compliance with the␊
9 * License. Please obtain a copy of the License at␊
10 * http://www.apple.com/publicsource and read it before using this file.␊
11 * ␊
12 * This Original Code and all software distributed under the License are␊
13 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER␊
14 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,␊
15 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,␊
16 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the␊
17 * License for the specific language governing rights and limitations␊
18 * under the License.␊
19 * ␊
20 * @APPLE_LICENSE_HEADER_END@␊
21 */␊
22/*␊
23 * Written by Paul Popelka (paulp@uts.amdahl.com)␊
24 *␊
25 * You can do anything you want with this software, just don't say you wrote␊
26 * it, and don't remove this notice.␊
27 *␊
28 * This software is provided "as is".␊
29 *␊
30 * The author supplies this software to be publicly redistributed on the␊
31 * understanding that the author is not responsible for the correct␊
32 * functioning of this software in any circumstances and is not liable for␊
33 * any damages caused by this software.␊
34 *␊
35 * October 1992␊
36 */␊
37␊
38/*␊
39 * Format of a boot sector. This is the first sector on a DOS floppy disk␊
40 * or the fist sector of a partition on a hard disk. But, it is not the␊
41 * first sector of a partitioned hard disk.␊
42 */␊
43struct bootsector33 {␊
44␉u_int8_t␉bsJump[3];␉␉/* jump inst E9xxxx or EBxx90 */␊
45␉int8_t␉␉bsOemName[8];␉␉/* OEM name and version */␊
46␉int8_t␉␉bsBPB[19];␉␉/* BIOS parameter block */␊
47␉int8_t␉␉bsDriveNumber;␉␉/* drive number (0x80) */␊
48␉int8_t␉␉bsBootCode[479];␉/* pad so struct is 512b */␊
49␉u_int8_t␉bsBootSectSig0;␊
50␉u_int8_t␉bsBootSectSig1;␊
51#define␉BOOTSIG0␉0x55␊
52#define␉BOOTSIG1␉0xaa␊
53};␊
54␊
55struct extboot {␊
56␉int8_t␉␉exDriveNumber;␉␉/* drive number (0x80) */␊
57␉int8_t␉␉exReserved1;␉␉/* reserved */␊
58␉int8_t␉␉exBootSignature;␉/* ext. boot signature (0x29) */␊
59#define␉EXBOOTSIG␉0x29␊
60␉int8_t␉␉exVolumeID[4];␉␉/* volume ID number */␊
61␉int8_t␉␉exVolumeLabel[11];␉/* volume label */␊
62␉int8_t␉␉exFileSysType[8];␉/* fs type (FAT12 or FAT16) */␊
63};␊
64␊
65struct bootsector50 {␊
66␉u_int8_t␉bsJump[3];␉␉/* jump inst E9xxxx or EBxx90 */␊
67␉int8_t␉␉bsOemName[8];␉␉/* OEM name and version */␊
68␉int8_t␉␉bsBPB[25];␉␉/* BIOS parameter block */␊
69␉int8_t␉␉bsExt[26];␉␉/* Bootsector Extension */␊
70␉int8_t␉␉bsBootCode[448];␉/* pad so structure is 512b */␊
71␉u_int8_t␉bsBootSectSig0;␊
72␉u_int8_t␉bsBootSectSig1;␊
73#define␉BOOTSIG0␉0x55␊
74#define␉BOOTSIG1␉0xaa␊
75};␊
76␊
77struct bootsector710 {␊
78␉u_int8_t␉bsJump[3];␉␉/* jump inst E9xxxx or EBxx90 */␊
79␉int8_t␉␉bsOEMName[8];␉␉/* OEM name and version */␊
80␉int8_t␉␉bsBPB[53];␉␉/* BIOS parameter block */␊
81␉int8_t␉␉bsExt[26];␉␉/* Bootsector Extension */␊
82␉int8_t␉␉bsBootCode[420];␉/* pad so structure is 512b */␊
83␉u_int8_t␉bsBootSectSig0;␊
84␉u_int8_t␉bsBootSectSig1;␊
85#define␉BOOTSIG0␉0x55␊
86#define␉BOOTSIG1␉0xaa␊
87};␊
88␊
89union bootsector {␊
90␉struct bootsector33 bs33;␊
91␉struct bootsector50 bs50;␊
92␉struct bootsector710 bs710;␊
93};␊
94␊
95␊
96/* BPB */␊
97␊
98/*␊
99 * BIOS Parameter Block (BPB) for DOS 3.3␊
100 */␊
101struct bpb33 {␊
102␉u_int16_t␉bpbBytesPerSec;␉/* bytes per sector */␊
103␉u_int8_t␉bpbSecPerClust;␉/* sectors per cluster */␊
104␉u_int16_t␉bpbResSectors;␉/* number of reserved sectors */␊
105␉u_int8_t␉bpbFATs;␉/* number of FATs */␊
106␉u_int16_t␉bpbRootDirEnts;␉/* number of root directory entries */␊
107␉u_int16_t␉bpbSectors;␉/* total number of sectors */␊
108␉u_int8_t␉bpbMedia;␉/* media descriptor */␊
109␉u_int16_t␉bpbFATsecs;␉/* number of sectors per FAT */␊
110␉u_int16_t␉bpbSecPerTrack;␉/* sectors per track */␊
111␉u_int16_t␉bpbHeads;␉/* number of heads */␊
112␉u_int16_t␉bpbHiddenSecs;␉/* number of hidden sectors */␊
113} __attribute__((packed));␊
114␊
115/*␊
116 * BPB for DOS 5.0 The difference is bpbHiddenSecs is a short for DOS 3.3,␊
117 * and bpbHugeSectors is not in the 3.3 bpb.␊
118 */␊
119struct bpb50 {␊
120␉u_int16_t␉bpbBytesPerSec;␉/* bytes per sector */␊
121␉u_int8_t␉bpbSecPerClust;␉/* sectors per cluster */␊
122␉u_int16_t␉bpbResSectors;␉/* number of reserved sectors */␊
123␉u_int8_t␉bpbFATs;␉/* number of FATs */␊
124␉u_int16_t␉bpbRootDirEnts;␉/* number of root directory entries */␊
125␉u_int16_t␉bpbSectors;␉/* total number of sectors */␊
126␉u_int8_t␉bpbMedia;␉/* media descriptor */␊
127␉u_int16_t␉bpbFATsecs;␉/* number of sectors per FAT */␊
128␉u_int16_t␉bpbSecPerTrack;␉/* sectors per track */␊
129␉u_int16_t␉bpbHeads;␉/* number of heads */␊
130␉u_int32_t␉bpbHiddenSecs;␉/* # of hidden sectors */␊
131␉u_int32_t␉bpbHugeSectors;␉/* # of sectors if bpbSectors == 0 */␊
132} __attribute__((packed));␊
133␊
134/*␊
135 * BPB for DOS 7.10 (FAT32). This one has a few extensions to bpb50.␊
136 */␊
137struct bpb710 {␊
138␉u_int16_t␉bpbBytesPerSec;␉/* bytes per sector */␊
139␉u_int8_t␉bpbSecPerClust;␉/* sectors per cluster */␊
140␉u_int16_t␉bpbResSectors;␉/* number of reserved sectors */␊
141␉u_int8_t␉bpbFATs;␉/* number of FATs */␊
142␉u_int16_t␉bpbRootDirEnts;␉/* number of root directory entries */␊
143␉u_int16_t␉bpbSectors;␉/* total number of sectors */␊
144␉u_int8_t␉bpbMedia;␉/* media descriptor */␊
145␉u_int16_t␉bpbFATsecs;␉/* number of sectors per FAT */␊
146␉u_int16_t␉bpbSecPerTrack;␉/* sectors per track */␊
147␉u_int16_t␉bpbHeads;␉/* number of heads */␊
148␉u_int32_t␉bpbHiddenSecs;␉/* # of hidden sectors */␊
149␉u_int32_t␉bpbHugeSectors;␉/* # of sectors if bpbSectors == 0 */␊
150␉u_int32_t␉bpbBigFATsecs;␉/* like bpbFATsecs for FAT32 */␊
151␉u_int16_t␉bpbExtFlags;␉/* extended flags: */␊
152#define␉FATNUM␉␉0xf␉␉/* mask for numbering active FAT */␊
153#define␉FATMIRROR␉0x80␉␉/* FAT is mirrored (like it always was) */␊
154␉u_int16_t␉bpbFSVers;␉/* filesystem version */␊
155#define␉FSVERS␉␉0␉␉/* currently only 0 is understood */␊
156␉u_int32_t␉bpbRootClust;␉/* start cluster for root directory */␊
157␉u_int16_t␉bpbFSInfo;␉/* filesystem info structure sector */␊
158␉u_int16_t␉bpbBackup;␉/* backup boot sector */␊
159␉/* There is a 12 byte filler here, but we ignore it */␊
160} __attribute__((packed));␊
161␊
162#if 0␊
163/*␊
164 * BIOS Parameter Block (BPB) for DOS 3.3␊
165 */␊
166struct byte_bpb33 {␊
167␉int8_t bpbBytesPerSec[2];␉/* bytes per sector */␊
168␉int8_t bpbSecPerClust;␉␉/* sectors per cluster */␊
169␉int8_t bpbResSectors[2];␉/* number of reserved sectors */␊
170␉int8_t bpbFATs;␉␉␉/* number of FATs */␊
171␉int8_t bpbRootDirEnts[2];␉/* number of root directory entries */␊
172␉int8_t bpbSectors[2];␉␉/* total number of sectors */␊
173␉int8_t bpbMedia;␉␉/* media descriptor */␊
174␉int8_t bpbFATsecs[2];␉␉/* number of sectors per FAT */␊
175␉int8_t bpbSecPerTrack[2];␉/* sectors per track */␊
176␉int8_t bpbHeads[2];␉␉/* number of heads */␊
177␉int8_t bpbHiddenSecs[2];␉/* number of hidden sectors */␊
178};␊
179␊
180/*␊
181 * BPB for DOS 5.0 The difference is bpbHiddenSecs is a short for DOS 3.3,␊
182 * and bpbHugeSectors is not in the 3.3 bpb.␊
183 */␊
184struct byte_bpb50 {␊
185␉int8_t bpbBytesPerSec[2];␉/* bytes per sector */␊
186␉int8_t bpbSecPerClust;␉␉/* sectors per cluster */␊
187␉int8_t bpbResSectors[2];␉/* number of reserved sectors */␊
188␉int8_t bpbFATs;␉␉␉/* number of FATs */␊
189␉int8_t bpbRootDirEnts[2];␉/* number of root directory entries */␊
190␉int8_t bpbSectors[2];␉␉/* total number of sectors */␊
191␉int8_t bpbMedia;␉␉/* media descriptor */␊
192␉int8_t bpbFATsecs[2];␉␉/* number of sectors per FAT */␊
193␉int8_t bpbSecPerTrack[2];␉/* sectors per track */␊
194␉int8_t bpbHeads[2];␉␉/* number of heads */␊
195␉int8_t bpbHiddenSecs[4];␉/* number of hidden sectors */␊
196␉int8_t bpbHugeSectors[4];␉/* # of sectors if bpbSectors == 0 */␊
197};␊
198␊
199/*␊
200 * BPB for DOS 7.10 (FAT32). This one has a few extensions to bpb50.␊
201 */␊
202struct byte_bpb710 {␊
203␉u_int8_t bpbBytesPerSec[2];␉/* bytes per sector */␊
204␉u_int8_t bpbSecPerClust;␉/* sectors per cluster */␊
205␉u_int8_t bpbResSectors[2];␉/* number of reserved sectors */␊
206␉u_int8_t bpbFATs;␉␉/* number of FATs */␊
207␉u_int8_t bpbRootDirEnts[2];␉/* number of root directory entries */␊
208␉u_int8_t bpbSectors[2];␉␉/* total number of sectors */␊
209␉u_int8_t bpbMedia;␉␉/* media descriptor */␊
210␉u_int8_t bpbFATsecs[2];␉␉/* number of sectors per FAT */␊
211␉u_int8_t bpbSecPerTrack[2];␉/* sectors per track */␊
212␉u_int8_t bpbHeads[2];␉␉/* number of heads */␊
213␉u_int8_t bpbHiddenSecs[4];␉/* # of hidden sectors */␊
214␉u_int8_t bpbHugeSectors[4];␉/* # of sectors if bpbSectors == 0 */␊
215␉u_int8_t bpbBigFATsecs[4];␉/* like bpbFATsecs for FAT32 */␊
216␉u_int8_t bpbExtFlags[2];␉/* extended flags: */␊
217␉u_int8_t bpbFSVers[2];␉␉/* filesystem version */␊
218␉u_int8_t bpbRootClust[4];␉/* start cluster for root directory */␊
219␉u_int8_t bpbFSInfo[2];␉␉/* filesystem info structure sector */␊
220␉u_int8_t bpbBackup[2];␉␉/* backup boot sector */␊
221␉/* There is a 12 byte filler here, but we ignore it */␊
222};␊
223#endif␊
224␊
225/*␊
226 * FAT32 FSInfo block.␊
227 */␊
228struct fsinfo {␊
229␉u_int8_t fsisig1[4];␊
230␉u_int8_t fsifill1[480];␊
231␉u_int8_t fsisig2[4];␊
232␉u_int8_t fsinfree[4];␊
233␉u_int8_t fsinxtfree[4];␊
234␉u_int8_t fsifill2[12];␊
235␉u_int8_t fsisig3[4];␊
236};␊
237␊
238␊
239/* direntry */␊
240␊
241/*-␊
242 * Copyright (C) 1994, 1995, 1997 Wolfgang Solfrank.␊
243 * Copyright (C) 1994, 1995, 1997 TooLs GmbH.␊
244 * All rights reserved.␊
245 * Original code by Paul Popelka (paulp@uts.amdahl.com) (see above).␊
246 *␊
247 * Redistribution and use in source and binary forms, with or without␊
248 * modification, are permitted provided that the following conditions␊
249 * are met:␊
250 * 1. Redistributions of source code must retain the above copyright␊
251 * notice, this list of conditions and the following disclaimer.␊
252 * 2. Redistributions in binary form must reproduce the above copyright␊
253 * notice, this list of conditions and the following disclaimer in the␊
254 * documentation and/or other materials provided with the distribution.␊
255 * 3. All advertising materials mentioning features or use of this software␊
256 * must display the following acknowledgement:␊
257 *␉This product includes software developed by TooLs GmbH.␊
258 * 4. The name of TooLs GmbH may not be used to endorse or promote products␊
259 * derived from this software without specific prior written permission.␊
260 *␊
261 * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR␊
262 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES␊
263 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.␊
264 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,␊
265 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,␊
266 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;␊
267 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,␊
268 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR␊
269 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF␊
270 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.␊
271 */␊
272␊
273/*␊
274 * Structure of a dos directory entry.␊
275 */␊
276struct direntry {␊
277␉u_int8_t␉deName[8];␉/* filename, blank filled */␊
278#define␉SLOT_EMPTY␉0x00␉␉/* slot has never been used */␊
279#define␉SLOT_E5␉␉0x05␉␉/* the real value is 0xe5 */␊
280#define␉SLOT_DELETED␉0xe5␉␉/* file in this slot deleted */␊
281␉u_int8_t␉deExtension[3];␉/* extension, blank filled */␊
282␉u_int8_t␉deAttributes;␉/* file attributes */␊
283#define␉ATTR_NORMAL␉0x00␉␉/* normal file */␊
284#define␉ATTR_READONLY␉0x01␉␉/* file is read-only (immutable) */␊
285#define␉ATTR_HIDDEN␉0x02␉␉/* file is hidden */␊
286#define␉ATTR_SYSTEM␉0x04␉␉/* file is a system file */␊
287#define␉ATTR_VOLUME␉0x08␉␉/* entry is a volume label */␊
288#define␉ATTR_DIRECTORY␉0x10␉␉/* entry is a directory name */␊
289#define␉ATTR_ARCHIVE␉0x20␉␉/* file is new or modified */␊
290␉u_int8_t␉deLowerCase;␉/* NT VFAT lower case flags */␊
291#define␉LCASE_BASE␉0x08␉␉/* filename base in lower case */␊
292#define␉LCASE_EXT␉0x10␉␉/* filename extension in lower case */␊
293␉u_int8_t␉deCHundredth;␉/* hundredth of seconds in CTime */␊
294␉u_int8_t␉deCTime[2];␉/* create time */␊
295␉u_int8_t␉deCDate[2];␉/* create date */␊
296␉u_int8_t␉deADate[2];␉/* access date */␊
297␉u_int8_t␉deHighClust[2];␉/* high bytes of cluster number */␊
298␉u_int16_t␉deMTime;␉/* last update time */␊
299␉u_int16_t␉deMDate;␉/* last update date */␊
300␉u_int8_t␉deStartCluster[2]; /* starting cluster of file */␊
301␉u_int8_t␉deFileSize[4];␉/* size of file in bytes */␊
302};␊
303␊
304/*␊
305 * Structure of a Win95 long name directory entry␊
306 */␊
307struct winentry {␊
308␉u_int8_t␉weCnt;␊
309#define␉WIN_LAST␉0x40␊
310#define␉WIN_CNT␉␉0x3f␊
311␉u_int8_t␉wePart1[10];␊
312␉u_int8_t␉weAttributes;␊
313#define␉ATTR_WIN95␉0x0f␊
314␉u_int8_t␉weReserved1;␊
315␉u_int8_t␉weChksum;␊
316␉u_int8_t␉wePart2[12];␊
317␉u_int16_t␉weReserved2;␊
318␉u_int8_t␉wePart3[4];␊
319};␊
320#define␉WIN_CHARS␉13␉/* Number of chars per winentry */␊
321␊
322/*␊
323 * Maximum filename length in Win95␊
324 * Note: Must be < sizeof(dirent.d_name)␊
325 */␊
326#define␉WIN_MAXLEN␉255␊
327␊
328/*␊
329 * This is the format of the contents of the deTime field in the direntry␊
330 * structure.␊
331 * We don't use bitfields because we don't know how compilers for␊
332 * arbitrary machines will lay them out.␊
333 */␊
334#define DT_2SECONDS_MASK␉0x1F␉/* seconds divided by 2 */␊
335#define DT_2SECONDS_SHIFT␉0␊
336#define DT_MINUTES_MASK␉␉0x7E0␉/* minutes */␊
337#define DT_MINUTES_SHIFT␉5␊
338#define DT_HOURS_MASK␉␉0xF800␉/* hours */␊
339#define DT_HOURS_SHIFT␉␉11␊
340␊
341/*␊
342 * This is the format of the contents of the deDate field in the direntry␊
343 * structure.␊
344 */␊
345#define DD_DAY_MASK␉␉0x1F␉/* day of month */␊
346#define DD_DAY_SHIFT␉␉0␊
347#define DD_MONTH_MASK␉␉0x1E0␉/* month */␊
348#define DD_MONTH_SHIFT␉␉5␊
349#define DD_YEAR_MASK␉␉0xFE00␉/* year - 1980 */␊
350#define DD_YEAR_SHIFT␉␉9␊
351␊
352

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