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source: trunk/include/helpers/dosh.h@ 57

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Last change on this file since 57 was 56, checked in by umoeller, 24 years ago
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1
2	/*
3	*@@sourcefile dosh.h:
4	* header file for dosh.c. See remarks there.
5	*
6	* Note: Version numbering in this file relates to XWorkplace version
7	* numbering.
8	*
9	*@@include #define INCL_DOSPROCESS
10	*@@include #define INCL_DOSDEVIOCTL // for doshQueryDiskParams only
11	*@@include #include <os2.h>
12	*@@include #include "dosh.h"
13	*/
14
15	/* This file Copyright (C) 1997-2000 Ulrich Mller,
16	* Dmitry A. Steklenev.
17	* This file is part of the "XWorkplace helpers" source package.
18	* This is free software; you can redistribute it and/or modify
19	* it under the terms of the GNU General Public License as published
20	* by the Free Software Foundation, in version 2 as it comes in the
21	* "COPYING" file of the XWorkplace main distribution.
22	* This program is distributed in the hope that it will be useful,
23	* but WITHOUT ANY WARRANTY; without even the implied warranty of
24	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
25	* GNU General Public License for more details.
26	*/
27
28	#if __cplusplus
29	extern "C" {
30	#endif
31
32	#ifndef DOSH_HEADER_INCLUDED
33	#define DOSH_HEADER_INCLUDED
34
35	/* ******************************************************************
36	*
37	* Miscellaneous
38	*
39	********************************************************************/
40
41	CHAR doshGetChar(VOID);
42
43	BOOL doshQueryShiftState(VOID);
44
45	ULONG doshIsWarp4(VOID);
46
47	PSZ doshQuerySysErrorMsg(APIRET arc);
48
49	/* ******************************************************************
50	*
51	* Memory helpers
52	*
53	********************************************************************/
54
55	PVOID doshAllocSharedMem(ULONG ulSize,
56	const char* pcszName);
57
58	PVOID doshRequestSharedMem(const char *pcszName);
59
60	/* ******************************************************************
61	*
62	* Drive helpers
63	*
64	********************************************************************/
65
66	VOID doshEnumDrives(PSZ pszBuffer,
67	const char *pcszFileSystem,
68	BOOL fSkipRemoveables);
69
70	CHAR doshQueryBootDrive(VOID);
71
72	APIRET doshAssertDrive(ULONG ulLogicalDrive);
73
74	APIRET doshSetLogicalMap(ULONG ulLogicalDrive);
75
76	APIRET doshQueryDiskFree(ULONG ulLogicalDrive,
77	double *pdFree);
78
79	APIRET doshQueryDiskFSType(ULONG ulLogicalDrive,
80	PSZ pszBuf,
81	ULONG cbBuf);
82
83	APIRET doshIsFixedDisk(ULONG ulLogicalDrive,
84	PBOOL pfFixed);
85
86	#ifdef INCL_DOSDEVIOCTL
87
88	// flags for DRIVEPARMS.usDeviceAttrs (see DSK_GETDEVICEPARAMS in CPREF):
89	#define DEVATTR_REMOVEABLE 0x0001 // drive is removeable
90	#define DEVATTR_CHANGELINE 0x0002 // media has been removed since last I/O operation
91	#define DEVATTR_GREATER16MB 0x0004 // physical device driver supports physical addresses > 16 MB
92
93	#pragma pack(1)
94
95	/*
96	*@@ DRIVEPARAMS:
97	* structure used for doshQueryDiskParams.
98	*/
99
100	typedef struct _DRIVEPARAMS
101	{
102	BIOSPARAMETERBLOCK bpb;
103	// BIOS parameter block. This is the first sector
104	// (at byte 0) in each partition. This is defined
105	// in the OS2 headers as follows:
106
107	/*
108	typedef struct _BIOSPARAMETERBLOCK {
109	USHORT usBytesPerSector;
110	// Number of bytes per sector.
111	BYTE bSectorsPerCluster;
112	// Number of sectors per cluster.
113	USHORT usReservedSectors;
114	// Number of reserved sectors.
115	BYTE cFATs;
116	// Number of FATs.
117	USHORT cRootEntries;
118	// Number of root directory entries.
119	USHORT cSectors;
120	// Number of sectors.
121	BYTE bMedia;
122	// Media descriptor.
123	USHORT usSectorsPerFAT;
124	// Number of secctors per FAT.
125	USHORT usSectorsPerTrack;
126	// Number of sectors per track.
127	USHORT cHeads;
128	// Number of heads.
129	ULONG cHiddenSectors;
130	// Number of hidden sectors.
131	ULONG cLargeSectors;
132	// Number of large sectors.
133	BYTE abReserved[6];
134	// Reserved.
135	USHORT cCylinders;
136	// Number of cylinders defined for the physical
137	// device.
138	BYTE bDeviceType;
139	// Physical layout of the specified device.
140	USHORT fsDeviceAttr;
141	// A bit field that returns flag information
142	// about the specified drive.
143	} BIOSPARAMETERBLOCK; */
144
145	USHORT usCylinders;
146	// no. of cylinders
147	UCHAR ucDeviceType;
148	// device type; according to the IBM Control
149	// Program Reference (see DSK_GETDEVICEPARAMS),
150	// this value can be:
151	// -- 0: 48 TPI low-density diskette drive
152	// -- 1: 96 TPI high-density diskette drive
153	// -- 2: 3.5-inch 720KB diskette drive
154	// -- 3: 8-Inch single-density diskette drive
155	// -- 4: 8-Inch double-density diskette drive
156	// -- 5: Fixed disk
157	// -- 6: Tape drive
158	// -- 7: Other (includes 1.44MB 3.5-inch diskette drive)
159	// -- 8: R/W optical disk
160	// -- 9: 3.5-inch 4.0MB diskette drive (2.88MB formatted)
161	USHORT usDeviceAttrs;
162	// DEVATTR_* flags
163	} DRIVEPARAMS, *PDRIVEPARAMS;
164	#pragma pack()
165
166	APIRET doshQueryDiskParams(ULONG ulLogicalDrive,
167	PDRIVEPARAMS pdp);
168	#endif
169
170	APIRET doshQueryDiskLabel(ULONG ulLogicalDrive,
171	PSZ pszVolumeLabel);
172
173	APIRET doshSetDiskLabel(ULONG ulLogicalDrive,
174	PSZ pszNewLabel);
175
176	/* ******************************************************************
177	*
178	* Module handling helpers
179	*
180	********************************************************************/
181
182	/*
183	*@@ RESOLVEFUNCTION:
184	* one of these structures each define
185	* a single function import to doshResolveImports.
186	*
187	*@@added V0.9.3 (2000-04-25) [umoeller]
188	*/
189
190	typedef struct _RESOLVEFUNCTION
191	{
192	const char *pcszFunctionName;
193	PFN *ppFuncAddress;
194	} RESOLVEFUNCTION, *PRESOLVEFUNCTION;
195
196	APIRET doshResolveImports(PSZ pszModuleName,
197	HMODULE *phmod,
198	PRESOLVEFUNCTION paResolves,
199	ULONG cResolves);
200
201	/* ******************************************************************
202	*
203	* Performance Counters (CPU Load)
204	*
205	********************************************************************/
206
207	#define CMD_PERF_INFO 0x41
208	#define CMD_KI_ENABLE 0x60
209	#define CMD_KI_DISABLE 0x61
210	#ifndef CMD_KI_RDCNT
211	#define CMD_KI_RDCNT 0x63
212	typedef APIRET APIENTRY FNDOSPERFSYSCALL(ULONG ulCommand,
213	ULONG ulParm1,
214	ULONG ulParm2,
215	ULONG ulParm3);
216	typedef FNDOSPERFSYSCALL *PFNDOSPERFSYSCALL;
217	#endif
218
219	typedef struct _CPUUTIL
220	{
221	ULONG ulTimeLow; // low 32 bits of time stamp
222	ULONG ulTimeHigh; // high 32 bits of time stamp
223	ULONG ulIdleLow; // low 32 bits of idle time
224	ULONG ulIdleHigh; // high 32 bits of idle time
225	ULONG ulBusyLow; // low 32 bits of busy time
226	ULONG ulBusyHigh; // high 32 bits of busy time
227	ULONG ulIntrLow; // low 32 bits of interrupt time
228	ULONG ulIntrHigh; // high 32 bits of interrupt time
229	} CPUUTIL, *PCPUUTIL;
230
231	// macro to convert 8-byte (low, high) time value to double
232	#define LL2F(high, low) (4294967296.0*(high)+(low))
233
234	/*
235	*@@ DOSHPERFSYS:
236	* structure used with doshPerfOpen.
237	*
238	*@@added V0.9.7 (2000-12-02) [umoeller]
239	*@@changed V0.9.9 (2001-03-14) [umoeller]: added interrupt load
240	*/
241
242	typedef struct _DOSHPERFSYS
243	{
244	// output: no. of processors on the system
245	ULONG cProcessors;
246	// output: one CPU load for each CPU
247	PLONG palLoads;
248
249	// output: one CPU interrupt load for each CPU
250	PLONG palIntrs;
251
252	// each of the following ptrs points to an array of cProcessors items
253	PCPUUTIL paCPUUtils; // CPUUTIL structures
254	double *padBusyPrev; // previous "busy" calculations
255	double *padTimePrev; // previous "time" calculations
256	double *padIntrPrev; // previous "intr" calculations
257
258	// private stuff
259	HMODULE hmod;
260	BOOL fInitialized;
261	PFNDOSPERFSYSCALL pDosPerfSysCall;
262	} DOSHPERFSYS, *PDOSHPERFSYS;
263
264	APIRET doshPerfOpen(PDOSHPERFSYS *ppPerfSys);
265
266	APIRET doshPerfGet(PDOSHPERFSYS pPerfSys);
267
268	APIRET doshPerfClose(PDOSHPERFSYS *ppPerfSys);
269
270	/* ******************************************************************
271	*
272	* File helpers
273	*
274	********************************************************************/
275
276	PSZ doshGetExtension(const char *pcszFilename);
277
278	BOOL doshIsFileOnFAT(const char* pcszFileName);
279
280	APIRET doshIsValidFileName(const char* pcszFile,
281	BOOL fFullyQualified);
282
283	BOOL doshMakeRealName(PSZ pszTarget, PSZ pszSource, CHAR cReplace, BOOL fIsFAT);
284
285	ULONG doshQueryFileSize(HFILE hFile);
286
287	ULONG doshQueryPathSize(PSZ pszFile);
288
289	APIRET doshQueryPathAttr(const char* pcszFile,
290	PULONG pulAttr);
291
292	APIRET doshSetPathAttr(const char* pcszFile,
293	ULONG ulAttr);
294
295	APIRET doshLoadTextFile(const char *pcszFile,
296	PSZ* ppszContent);
297
298	PSZ doshCreateBackupFileName(const char* pszExisting);
299
300	APIRET doshCreateTempFileName(PSZ pszTempFileName,
301	const char *pcszDir,
302	const char *pcszPrefix,
303	const char *pcszExt);
304
305	APIRET doshWriteTextFile(const char* pszFile,
306	const char* pszContent,
307	PULONG pulWritten,
308	PSZ pszBackup);
309
310	HFILE doshOpenLogFile(const char* pcszFilename);
311
312	APIRET doshWriteToLogFile(HFILE hfLog, const char* pcsz);
313
314	/* ******************************************************************
315	*
316	* Directory helpers
317	*
318	********************************************************************/
319
320	BOOL doshQueryDirExist(const char *pcszDir);
321
322	APIRET doshCreatePath(const char *pcszPath,
323	BOOL fHidden);
324
325	APIRET doshQueryCurrentDir(PSZ pszBuf);
326
327	APIRET doshSetCurrentDir(const char *pcszDir);
328
329	#define DOSHDELDIR_RECURSE 0x0001
330	#define DOSHDELDIR_DELETEFILES 0x0002
331
332	APIRET doshDeleteDir(const char *pcszDir,
333	ULONG flFlags,
334	PULONG pulDirs,
335	PULONG pulFiles);
336
337	/* ******************************************************************
338	*
339	* Process helpers
340	*
341	********************************************************************/
342
343	ULONG XWPENTRY doshMyPID(VOID);
344	typedef ULONG XWPENTRY DOSHMYPID(VOID);
345	typedef DOSHMYPID *PDOSHMYPID;
346
347	ULONG XWPENTRY doshMyTID(VOID);
348	typedef ULONG XWPENTRY DOSHMYTID(VOID);
349	typedef DOSHMYTID *PDOSHMYTID;
350
351	APIRET doshFindExecutable(const char *pcszCommand,
352	PSZ pszExecutable,
353	ULONG cbExecutable,
354	const char **papcszExtensions,
355	ULONG cExtensions);
356
357	APIRET doshExecVIO(const char *pcszExecWithArgs,
358	PLONG plExitCode);
359
360	APIRET doshQuickStartSession(const char *pcszPath,
361	const char *pcszParams,
362	BOOL fForeground,
363	USHORT usPgmCtl,
364	BOOL fWait,
365	PULONG pulSID,
366	PPID ppid);
367
368	/* ******************************************************************
369	*
370	* Environment helpers
371	*
372	********************************************************************/
373
374	/*
375	*@@ DOSENVIRONMENT:
376	* structure holding an array of environment
377	* variables (papszVars). This is initialized
378	* doshGetEnvironment,
379	*
380	*@@added V0.9.4 (2000-07-19) [umoeller]
381	*/
382
383	typedef struct _DOSENVIRONMENT
384	{
385	ULONG cVars; // count of vars in papzVars
386	PSZ *papszVars; // array of PSZ's to environment strings (VAR=VALUE)
387	} DOSENVIRONMENT, *PDOSENVIRONMENT;
388
389	APIRET doshParseEnvironment(const char *pcszEnv,
390	PDOSENVIRONMENT pEnv);
391
392	APIRET doshGetEnvironment(PDOSENVIRONMENT pEnv);
393
394	PSZ* doshFindEnvironmentVar(PDOSENVIRONMENT pEnv,
395	PSZ pszVarName);
396
397	APIRET doshSetEnvironmentVar(PDOSENVIRONMENT pEnv,
398	PSZ pszNewEnv,
399	BOOL fAddFirst);
400
401	APIRET doshConvertEnvironment(PDOSENVIRONMENT pEnv,
402	PSZ *ppszEnv,
403	PULONG pulSize);
404
405	APIRET doshFreeEnvironment(PDOSENVIRONMENT pEnv);
406
407	/********************************************************************
408	*
409	* Executable helpers
410	*
411	********************************************************************/
412
413	/*
414	*@@ DOSEXEHEADER:
415	* old DOS EXE header at offset 0
416	* in any EXE file.
417	*
418	*@@changed V0.9.7 (2000-12-20) [umoeller]: fixed NE offset
419	*/
420
421	#pragma pack(1)
422	typedef struct _DOSEXEHEADER
423	{
424	USHORT usDosExeID; // 00: DOS exeid (0x5a4d)
425	USHORT usFileLenMod512; // 02: filelen mod 512
426	USHORT usFileLenDiv512; // 04: filelen div 512
427	USHORT usSegFix; // 06: count of segment adds to fix
428	USHORT usHdrPargCnt; // 08: size of header in paragrphs
429	USHORT usMinAddPargCnt; // 0a: minimum addtl paragraphs count
430	USHORT usMaxAddPargCnt; // 0c: max addtl paragraphs count
431	USHORT usSSStartup; // 0e: SS at startup
432	USHORT usSPStartup; // 10: SP at startup
433	USHORT usHdrChecksum; // 12: header checksum
434	USHORT usIPStartup; // 14: IP at startup
435	USHORT usCodeSegOfs; // 16: code segment offset from EXE start
436	USHORT usRelocTableOfs; // 18: reloc table ofs.header (Win: >= 0x40)
437	USHORT usOverlayNo; // 1a: overlay no.
438	ULONG ulLinkerVersion; // 1c: linker version (if 0x18 > 0x28)
439	ULONG ulUnused1; // 20: unused
440	ULONG ulUnused2; // 24: exe.h says the following fields are
441	ULONG ulUnused3; // 28: 'behavior bits'
442	ULONG ulUnused4; // 3c:
443	ULONG ulUnused5; // 30:
444	ULONG ulUnused6; // 34:
445	ULONG ulUnused7; // 38:
446	ULONG ulNewHeaderOfs; // new header ofs (if 0x18 > 0x40)
447	// fixed this from USHORT, thanks Martin Lafaix
448	// V0.9.7 (2000-12-20) [umoeller]
449	} DOSEXEHEADER, *PDOSEXEHEADER;
450
451	// NE and LX OS types
452	#define NEOS_UNKNOWN 0
453	#define NEOS_OS2 1 // Win16 SDK says: "reserved"...
454	#define NEOS_WIN16 2
455	#define NEOS_DOS4 3 // Win16 SDK says: "reserved"...
456	#define NEOS_WIN386 4 // Win16 SDK says: "reserved"...
457
458	/*
459	*@@ NEHEADER:
460	* linear executable (LX) header format,
461	* which comes after the DOS header in the
462	* EXE file (at DOSEXEHEADER.ulNewHeaderOfs).
463	*/
464
465	typedef struct _NEHEADER
466	{
467	CHAR achNE[2]; // 00: NE
468	BYTE bLinkerVersion; // 02: linker version
469	BYTE bLinkerRevision; // 03: linker revision
470	USHORT usEntryTblOfs; // 04: ofs from this to entrytable
471	USHORT usEntryTblLen; // 06: length of entrytable
472	ULONG ulChecksum; // 08: MS: reserved, OS/2: checksum
473	USHORT usFlags; // 0c: flags
474	USHORT usAutoDataSegNo; // 0e: auto-data seg no.
475	USHORT usInitlHeapSize; // 10: initl. heap size
476	USHORT usInitlStackSize; // 12: initl. stack size
477	ULONG ulCSIP; // 14: CS:IP
478	ULONG ulSSSP; // 18: SS:SP
479	USHORT usSegTblEntries; // 1c: segment tbl entry count
480	USHORT usModuleTblEntries; // 1e: module ref. table entry count
481	USHORT usNonResdTblLen; // 20: non-resd. name tbl length
482	USHORT usSegTblOfs; // 22: segment tbl ofs
483	USHORT usResTblOfs; // 24: resource tbl ofs
484	USHORT usResdNameTblOfs; // 26: resd. name tbl ofs
485	USHORT usModRefTblOfs; // 28: module ref. table ofs
486	USHORT usImportTblOfs; // 2a: import tbl ofs
487	ULONG ulNonResdTblOfs; // 2c: non-resd. name tbl ofs
488	USHORT usMoveableEntires; // 30: moveable entry pts. count
489	USHORT usLogicalSectShift; // 32: logcl. sector shift
490	USHORT usResSegmCount; // 34: resource segm. count
491	BYTE bTargetOS; // 36: target OS (NEOS_* flags)
492	BYTE bFlags2; // 37: addtl. flags
493	USHORT usFastLoadOfs; // 38: fast-load area ofs
494	USHORT usFastLoadLen; // 3a: fast-load area length
495	USHORT usReserved; // 3c: MS: 'reserved'
496	USHORT usReqWinVersion; // 3e: Win-only: min. Win version
497	} NEHEADER, *PNEHEADER;
498
499	/*
500	*@@ LXHEADER:
501	* linear executable (LX) header format,
502	* which comes after the DOS header in the
503	* EXE file (at DOSEXEHEADER.ulNewHeaderOfs).
504	*/
505
506	typedef struct _LXHEADER
507	{
508	CHAR achLX[2]; // 00: LX or LE
509	/* this is "LX" for 32-bit OS/2 programs, but
510	"LE" for MS-DOS progs which use this format
511	(e.g. WINDOWS\SMARTDRV.EXE) */
512	BYTE fByteBigEndian; // 02: byte ordering (1 = big endian)
513	BYTE fWordBigEndian; // 03: word ordering (1 = big endian)
514	ULONG ulFormatLevel; // 04: format level
515	USHORT usCPU; // 08: CPU type
516	USHORT usTargetOS; // 0a: OS type (NEOS_* flags)
517	ULONG ulModuleVersion; // 0c: module version
518	ULONG ulFlags; // 10: module flags
519	ULONG ulPageCount; // 14: no. of pages in module
520	ULONG ulEIPRelObj; // 18: object to which EIP is relative
521	ULONG ulEIPEntryAddr; // 1c: EIP entry addr
522	ULONG ulESPObj; // 20: ESP object
523	ULONG ulESP; // 24: ESP
524	ULONG ulPageSize; // 28: page size (4K)
525	ULONG ulPageLeftShift; // 2c: page left-shift
526	ULONG ulFixupTblLen; // 30: fixup section total size
527	ULONG ulFixupTblChecksum; // 34: fixup section checksum
528	ULONG ulLoaderLen; // 38: size req. for loader section
529	ULONG ulLoaderChecksum; // 3c: loader section checksum
530	ULONG ulObjTblOfs; // 40: object table offset
531	ULONG ulObjCount; // 44: object count
532	ULONG ulObjPageTblOfs; // 48: object page table ofs
533	ULONG ulObjIterPagesOfs; // 4c: object iter pages ofs
534	ULONG ulResTblOfs; // 50: resource table ofs
535	ULONG ulResTblCnt; // 54: resource entry count
536	ULONG ulResdNameTblOfs; // 58: resident name tbl ofs
537	ULONG ulEntryTblOfs; // 5c: entry tbl ofs
538	ULONG ulModDirectivesOfs; // 60: module directives ofs
539	ULONG ulModDirectivesCnt; // 64: module directives count
540	ULONG ulFixupPagePageTblOfs;// 68: fixup page tbl ofs
541	ULONG ulFixupRecTblOfs; // 6c: fixup record tbl ofs
542	ULONG ulImportModTblOfs; // 70: import modl tbl ofs
543	ULONG ulImportModTblCnt; // 74: import modl tbl count
544	ULONG ulImportProcTblOfs; // 78: import proc tbl ofs
545	ULONG ulPerPageCSOfs; // 7c: per page checksum ofs
546	ULONG ulDataPagesOfs; // 80: data pages ofs
547	ULONG ulPreloadPagesCnt; // 84: preload pages count
548	ULONG ulNonResdNameTblOfs; // 88: non-resdnt name tbl ofs
549	ULONG ulNonResdNameTblLen; // 8c: non-resdnt name tbl length
550	ULONG ulNonResdNameTblCS; // 90: non-res name tbl checksum
551	ULONG ulAutoDataSegObjCnt; // 94: auto dataseg object count
552	ULONG ulDebugOfs; // 98: debug info ofs
553	ULONG ulDebugLen; // 9c: debug info length
554	ULONG ulInstancePrelCnt; // a0: instance preload count
555	ULONG ulinstanceDemdCnt; // a0: instance demand count
556	ULONG ulHeapSize16; // a8: heap size (16-bit)
557	ULONG ulStackSize; // ac: stack size
558	} LXHEADER, *PLXHEADER;
559
560	#pragma pack()
561
562	/*
563	*@@ FSYSMODULE:
564	*
565	*@@added V0.9.9 (2001-03-11) [lafaix]
566	*/
567
568	typedef struct _FSYSMODULE
569	{
570	CHAR achModuleName[256];
571	} FSYSMODULE, *PFSYSMODULE;
572
573	/*
574	*@@ FSYSFUNCTION:
575	*
576	*@@added V0.9.9 (2001-03-11) [lafaix]
577	*/
578
579	typedef struct _FSYSFUNCTION
580	{
581	ULONG ulOrdinal;
582	ULONG ulType;
583	CHAR achFunctionName[256];
584	} FSYSFUNCTION, *PFSYSFUNCTION;
585
586	/*
587	*@@ FSYSRESOURCE:
588	*
589	*@@added V0.9.7 (2000-12-18) [lafaix]
590	*/
591
592	typedef struct _FSYSRESOURCE
593	{
594	ULONG ulID; // resource ID
595	ULONG ulType; // resource type
596	ULONG ulSize; // resource size in bytes
597	ULONG ulFlag; // resource flags
598	} FSYSRESOURCE, *PFSYSRESOURCE;
599
600	// object/segment flags (in NE and LX)
601	#define OBJWRITE 0x0002L // Writeable Object
602	#define OBJDISCARD 0x0010L // Object is Discardable
603	#define OBJSHARED 0x0020L // Object is Shared
604	#define OBJPRELOAD 0x0040L // Object has preload pages
605
606	// resource flags
607	#define RNMOVE 0x0010 // Moveable resource
608	#define RNPURE 0x0020 // Pure (read-only) resource
609	#define RNPRELOAD 0x0040 // Preloaded resource
610	#define RNDISCARD 0xF000 // Discard priority level for resource
611
612	// EXE format
613	#define EXEFORMAT_OLDDOS 1
614	#define EXEFORMAT_NE 2
615	#define EXEFORMAT_PE 3
616	#define EXEFORMAT_LX 4
617	#define EXEFORMAT_TEXT_BATCH 5
618	#define EXEFORMAT_TEXT_REXX 6
619
620	// target OS (in NE and LX)
621	#define EXEOS_DOS3 1
622	#define EXEOS_DOS4 2 // there is a flag for this in NE
623	#define EXEOS_OS2 3
624	#define EXEOS_WIN16 4
625	#define EXEOS_WIN386 5 // according to IBM, there are flags
626	// for this both in NE and LX
627	#define EXEOS_WIN32 6
628
629	/*
630	*@@ EXECUTABLE:
631	* structure used with all the doshExec*
632	* functions.
633	*/
634
635	typedef struct _EXECUTABLE
636	{
637	HFILE hfExe;
638
639	/* All the following fields are set by
640	doshExecOpen if NO_ERROR is returned. */
641
642	// old DOS EXE header (always valid)
643	PDOSEXEHEADER pDosExeHeader;
644	ULONG cbDosExeHeader;
645
646	// New Executable (NE) header, if ulExeFormat == EXEFORMAT_NE
647	PNEHEADER pNEHeader;
648	ULONG cbNEHeader;
649
650	// Linear Executable (LX) header, if ulExeFormat == EXEFORMAT_LX
651	PLXHEADER pLXHeader;
652	ULONG cbLXHeader;
653
654	// module analysis (always set):
655	ULONG ulExeFormat;
656	// one of:
657	// EXEFORMAT_OLDDOS 1
658	// EXEFORMAT_NE 2
659	// EXEFORMAT_PE 3
660	// EXEFORMAT_LX 4
661	// EXEFORMAT_TEXT_BATCH 5
662	// EXEFORMAT_TEXT_REXX 6
663
664	BOOL fLibrary,
665	f32Bits;
666	ULONG ulOS;
667	// one of:
668	// EXEOS_DOS3 1
669	// EXEOS_DOS4 2 // there is a flag for this in NE
670	// EXEOS_OS2 3
671	// EXEOS_WIN16 4
672	// EXEOS_WIN386 5 // according to IBM, there are flags
673	// // for this both in NE and LX
674	// EXEOS_WIN32 6
675
676	/* The following fields are only set after
677	an extra call to doshExecQueryBldLevel. */
678
679	PSZ pszDescription; // whole string (first non-res name tbl entry)
680	PSZ pszVendor; // vendor substring (if IBM BLDLEVEL format)
681	PSZ pszVersion; // version substring (if IBM BLDLEVEL format)
682	PSZ pszInfo; // module info substring (if IBM BLDLEVEL format)
683
684	} EXECUTABLE, *PEXECUTABLE;
685
686	APIRET doshExecOpen(const char* pcszExecutable,
687	PEXECUTABLE* ppExec);
688
689	APIRET doshExecClose(PEXECUTABLE pExec);
690
691	APIRET doshExecQueryBldLevel(PEXECUTABLE pExec);
692
693	APIRET doshExecQueryImportedModules(PEXECUTABLE pExec,
694	PFSYSMODULE *ppaModules,
695	PULONG pcModules);
696
697	APIRET doshExecFreeImportedModules(PFSYSMODULE paModules);
698
699	APIRET doshExecQueryExportedFunctions(PEXECUTABLE pExec,
700	PFSYSFUNCTION *ppaFunctions,
701	PULONG pcFunctions);
702
703	APIRET doshExecFreeExportedFunctions(PFSYSFUNCTION paFunctions);
704
705	APIRET doshExecQueryResources(PEXECUTABLE pExec,
706	PFSYSRESOURCE *ppaResources,
707	PULONG pcResources);
708
709	APIRET doshExecFreeResources(PFSYSRESOURCE paResources);
710
711	/********************************************************************
712	*
713	* Partition functions
714	*
715	********************************************************************/
716
717	/*
718	*@@ LVMINFO:
719	* informational structure created by
720	* doshQueryLVMInfo.
721	*
722	*@@added V0.9.9 (2001-04-07) [umoeller]
723	*/
724
725	typedef struct _LVMINFO
726	{
727	HMODULE hmodLVM;
728
729	} LVMINFO, *PLVMINFO;
730
731	#define DOSH_PARTITIONS_LIMIT 10
732
733	#define PAR_UNUSED 0x00 // Unused
734	#define PAR_FAT12SMALL 0x01 // DOS FAT 12-bit < 10 Mb
735	#define PAR_XENIXROOT 0x02 // XENIX root
736	#define PAR_XENIXUSER 0x03 // XENIX user
737	#define PAR_FAT16SMALL 0x04 // DOS FAT 16-bit < 32 Mb
738	#define PAR_EXTENDED 0x05 // Extended partition
739	#define PAR_FAT16BIG 0x06 // DOS FAT 16-bit > 32 Mb
740	#define PAR_HPFS 0x07 // OS/2 HPFS
741	#define PAR_AIXBOOT 0x08 // AIX bootable partition
742	#define PAR_AIXDATA 0x09 // AIX bootable partition
743	#define PAR_BOOTMANAGER 0x0A // OS/2 Boot Manager
744	#define PAR_WINDOWS95 0x0B // Windows 95 32-bit FAT
745	#define PAR_WINDOWS95LB 0x0C // Windows 95 32-bit FAT with LBA
746	#define PAR_VFAT16BIG 0x0E // LBA VFAT (same as 06h but using LBA-mode)
747	#define PAR_VFAT16EXT 0x0F // LBA VFAT (same as 05h but using LBA-mode)
748	#define PAR_OPUS 0x10 // OPUS
749	#define PAR_HID12SMALL 0x11 // OS/2 hidden DOS FAT 12-bit
750	#define PAR_COMPAQDIAG 0x12 // Compaq diagnostic
751	#define PAR_HID16SMALL 0x14 // OS/2 hidden DOS FAT 16-bit
752	#define PAR_HID16BIG 0x16 // OS/2 hidden DOS FAT 16-bit
753	#define PAR_HIDHPFS 0x17 // OS/2 hidden HPFS
754	#define PAR_WINDOWSSWP 0x18 // AST Windows Swap File
755	#define PAR_NECDOS 0x24 // NEC MS-DOS 3.x
756	#define PAR_THEOS 0x38 // THEOS
757	#define PAR_VENIX 0x40 // VENIX
758	#define PAR_RISCBOOT 0x41 // Personal RISC boot
759	#define PAR_SFS 0x42 // SFS
760	#define PAR_ONTRACK 0x50 // Ontrack
761	#define PAR_ONTRACKEXT 0x51 // Ontrack extended partition
762	#define PAR_CPM 0x52 // CP/M
763	#define PAR_UNIXSYSV 0x63 // UNIX SysV/386
764	#define PAR_NOVELL_64 0x64 // Novell
765	#define PAR_NOVELL_65 0x65 // Novell
766	#define PAR_NOVELL_67 0x67 // Novell
767	#define PAR_NOVELL_68 0x68 // Novell
768	#define PAR_NOVELL_69 0x69 // Novell
769	#define PAR_PCIX 0x75 // PCIX
770	#define PAR_MINIX 0x80 // MINIX
771	#define PAR_LINUX 0x81 // Linux
772	#define PAR_LINUXSWAP 0x82 // Linux Swap Partition
773	#define PAR_LINUXFILE 0x83 // Linux File System
774	#define PAR_FREEBSD 0xA5 // FreeBSD
775	#define PAR_BBT 0xFF // BBT
776
777	// one-byte alignment
778	#pragma pack(1)
779
780	/*
781	*@@ PAR_INFO:
782	* partition table
783	*/
784
785	typedef struct _PAR_INFO
786	{
787	BYTE bBootFlag; // 0=not active, 80H = active (boot this partition
788	BYTE bBeginHead; // partition begins at this head...
789	USHORT rBeginSecCyl; // ...and this sector and cylinder (see below)
790	BYTE bFileSysCode; // file system type
791	BYTE bEndHead; // partition ends at this head...
792	USHORT bEndSecCyl; // ...and this sector and cylinder (see below)
793	ULONG lBeginAbsSec; // partition begins at this absolute sector #
794	ULONG lTotalSects; // total sectors in this partition
795	} PAR_INFO, *PPAR_INFO;
796
797	/*
798	*@@ MBR_INFO:
799	* master boot record table.
800	* This has the four primary partitions.
801	*/
802
803	typedef struct _MBR_INFO // MBR
804	{
805	BYTE aBootCode[0x1BE]; // abBootCode master boot executable code
806	PAR_INFO sPrtnInfo[4]; // primary partition entries
807	USHORT wPrtnTblSig; // partition table signature (aa55H)
808	} MBR_INFO, *PMBR_INFO;
809
810	/*
811	*@@ SYS_INFO:
812	*
813	*/
814
815	typedef struct _SYS_INFO
816	{
817	BYTE startable;
818	BYTE unknown[3];
819	BYTE bootable;
820	BYTE name[8];
821	BYTE reservd[3];
822	} SYS_INFO, *PSYS_INFO;
823
824	/*
825	*@@ SYE_INFO:
826	*
827	*/
828
829	typedef struct _SYE_INFO
830	{
831	BYTE bootable;
832	BYTE name[8];
833	} SYE_INFO, *PSYE_INFO;
834
835	/*
836	*@@ EXT_INFO:
837	*
838	*/
839
840	typedef struct _EXT_INFO
841	{
842	BYTE aBootCode[0x18A]; // abBootCode master boot executable code
843	SYE_INFO sBmNames[4]; // System Names
844	BYTE bReserved[16]; // reserved
845	PAR_INFO sPrtnInfo[4]; // partitioms entrys
846	USHORT wPrtnTblSig; // partition table signature (aa55H)
847	} EXT_INFO, *PEXT_INFO;
848
849	typedef struct _PARTITIONINFO *PPARTITIONINFO;
850
851	/*
852	*@@ PARTITIONINFO:
853	* informational structure returned
854	* by doshGetPartitionsList. One of
855	* these items is created for each
856	* bootable partition.
857	*/
858
859	typedef struct _PARTITIONINFO
860	{
861	BYTE bDisk; // drive number
862	CHAR cLetter; // probable drive letter or ' ' if none
863	BYTE bFSType; // file system type
864	CHAR szFSType[10]; // file system name (created by us)
865	BOOL fPrimary; // primary partition?
866	BOOL fBootable; // bootable by Boot Manager?
867	CHAR szBootName[9]; // Boot Manager name, if (fBootable)
868	ULONG ulSize; // size MBytes
869	PPARTITIONINFO pNext; // next info or NULL if last
870	} PARTITIONINFO;
871
872	UINT doshQueryDiskCount(VOID);
873
874	APIRET doshReadSector(USHORT disk,
875	void *buff,
876	USHORT head,
877	USHORT cylinder,
878	USHORT sector);
879
880	// restore original alignment
881	#pragma pack()
882
883	const char* doshType2FSName(unsigned char bFSType);
884
885	APIRET doshGetBootManager(USHORT *pusDisk,
886	USHORT *pusPart,
887	PAR_INFO *BmInfo);
888
889	typedef struct _PARTITIONSLIST
890	{
891	PLVMINFO pLVMInfo; // != NULL if LVM is installed
892
893	// partitions array
894	PPARTITIONINFO pPartitionInfo;
895	USHORT cPartitions;
896	} PARTITIONSLIST, *PPARTITIONSLIST;
897
898	APIRET doshGetPartitionsList(PPARTITIONSLIST *ppList,
899	PUSHORT pusContext);
900
901	APIRET doshFreePartitionsList(PPARTITIONSLIST ppList);
902
903	APIRET doshQueryLVMInfo(PLVMINFO *ppLVMInfo);
904
905	APIRET doshReadLVMPartitions(PLVMINFO pInfo,
906	PPARTITIONINFO *ppPartitionInfo,
907	PUSHORT pcPartitions);
908
909	VOID doshFreeLVMInfo(PLVMINFO pInfo);
910
911	#endif
912
913	#if __cplusplus
914	}
915	#endif
916

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