| 1 | /* $Id: oslibdos.cpp,v 1.11 1999-12-01 10:47:51 sandervl Exp $ */
|
|---|
| 2 |
|
|---|
| 3 | /*
|
|---|
| 4 | * Wrappers for OS/2 Dos* API
|
|---|
| 5 | *
|
|---|
| 6 | * Copyright 1998 Sander van Leeuwen (sandervl@xs4all.nl)
|
|---|
| 7 | *
|
|---|
| 8 | *
|
|---|
| 9 | * Project Odin Software License can be found in LICENSE.TXT
|
|---|
| 10 | *
|
|---|
| 11 | */
|
|---|
| 12 | #define INCL_BASE
|
|---|
| 13 | #define INCL_DOSEXCEPTIONS
|
|---|
| 14 | #define INCL_DOSMEMMGR
|
|---|
| 15 | #define INCL_DOSPROCESS
|
|---|
| 16 | #define INCL_DOSERRORS
|
|---|
| 17 | #include <os2wrap.h> //Odin32 OS/2 api wrappers
|
|---|
| 18 | #include <stdlib.h>
|
|---|
| 19 | #include <stdio.h>
|
|---|
| 20 | #include <string.h>
|
|---|
| 21 | #include <win32type.h>
|
|---|
| 22 | #include <misc.h>
|
|---|
| 23 | #include "initterm.h"
|
|---|
| 24 | #include "oslibdos.h"
|
|---|
| 25 |
|
|---|
| 26 | APIRET APIENTRY DosAliasMem(PVOID pb, ULONG cb, PPVOID ppbAlias, ULONG fl);
|
|---|
| 27 |
|
|---|
| 28 | //******************************************************************************
|
|---|
| 29 | //TODO: Assumes entire memory range has the same protection flags!
|
|---|
| 30 | //TODO: Check if this works for code aliases...
|
|---|
| 31 | //******************************************************************************
|
|---|
| 32 | DWORD OSLibDosAliasMem(LPVOID pb, ULONG cb, LPVOID *ppbAlias, ULONG fl)
|
|---|
| 33 | {
|
|---|
| 34 | DWORD rc;
|
|---|
| 35 | DWORD attr;
|
|---|
| 36 | DWORD size = cb;
|
|---|
| 37 |
|
|---|
| 38 | cb = (cb-1) & ~0xfff;
|
|---|
| 39 | cb+= PAGE_SIZE;
|
|---|
| 40 |
|
|---|
| 41 | rc = DosQueryMem(pb, &size, &attr);
|
|---|
| 42 | if(rc) {
|
|---|
| 43 | dprintf(("OSLibDosAliasMem: DosQueryMem %x %x return %d", pb, size, rc));
|
|---|
| 44 | return rc;
|
|---|
| 45 | }
|
|---|
| 46 | size = (size-1) & ~0xfff;
|
|---|
| 47 | size+= PAGE_SIZE;
|
|---|
| 48 | if(size != cb) {
|
|---|
| 49 | dprintf(("ERROR: OSLibDosAliasMem: size != cb (%x!=%x)!!!!!!!!", size, cb));
|
|---|
| 50 | //ignore this and continue return 5;
|
|---|
| 51 | attr = fl; //just use original protection flags (NOT CORRECT)
|
|---|
| 52 | }
|
|---|
| 53 | attr &= (PAG_READ|PAG_WRITE|PAG_EXECUTE|PAG_GUARD|PAG_DEFAULT);
|
|---|
| 54 | if(attr != fl) {
|
|---|
| 55 | rc = DosSetMem(pb, size, fl);
|
|---|
| 56 | if(rc) {
|
|---|
| 57 | dprintf(("OSLibDosAliasMem: DosSetMem %x %x return %d", pb, size, rc));
|
|---|
| 58 | attr = fl;
|
|---|
| 59 | //just continue for now
|
|---|
| 60 | //return rc;
|
|---|
| 61 | }
|
|---|
| 62 | }
|
|---|
| 63 | rc = DosAliasMem(pb, cb, ppbAlias, 2);
|
|---|
| 64 | if(rc) {
|
|---|
| 65 | dprintf(("OSLibDosAliasMem: DosAliasMem %x %x return %d", pb, cb, rc));
|
|---|
| 66 | return rc;
|
|---|
| 67 | }
|
|---|
| 68 | if(attr != fl) {
|
|---|
| 69 | rc = DosSetMem(pb, size, attr);
|
|---|
| 70 | if(rc) {
|
|---|
| 71 | dprintf(("OSLibDosAliasMem: DosSetMem (2) %x %x return %d", pb, size, rc));
|
|---|
| 72 | return rc;
|
|---|
| 73 | }
|
|---|
| 74 | }
|
|---|
| 75 | return 0;
|
|---|
| 76 | }
|
|---|
| 77 | //******************************************************************************
|
|---|
| 78 | //NT returns addresses aligned at 64k, so we do too.
|
|---|
| 79 | //******************************************************************************
|
|---|
| 80 | DWORD OSLibDosAllocMem(LPVOID *lplpMemAddr, DWORD size, DWORD flags)
|
|---|
| 81 | {
|
|---|
| 82 | LPVOID memaddr;
|
|---|
| 83 | DWORD offset;
|
|---|
| 84 | APIRET rc;
|
|---|
| 85 |
|
|---|
| 86 | rc = DosAllocMem(&memaddr, size, PAG_READ | flAllocMem);
|
|---|
| 87 | if(rc) {
|
|---|
| 88 | return rc;
|
|---|
| 89 | }
|
|---|
| 90 | DosEnterCritSec();
|
|---|
| 91 | DosFreeMem(memaddr);
|
|---|
| 92 | offset = (DWORD)memaddr & 0xFFFF;
|
|---|
| 93 | if(offset) {
|
|---|
| 94 | DosAllocMem(&memaddr, 64*1024 - offset, PAG_READ | flAllocMem);
|
|---|
| 95 | }
|
|---|
| 96 | rc = DosAllocMem(lplpMemAddr, size, flags | flAllocMem);
|
|---|
| 97 | DosExitCritSec();
|
|---|
| 98 | if((DWORD)*lplpMemAddr & 0xFFFF) {//still not at 64k boundary?
|
|---|
| 99 | DosFreeMem(*lplpMemAddr);
|
|---|
| 100 | rc = OSLibDosAllocMem(lplpMemAddr, size, flags);
|
|---|
| 101 | }
|
|---|
| 102 | if(offset) {
|
|---|
| 103 | DosFreeMem(memaddr);
|
|---|
| 104 | }
|
|---|
| 105 |
|
|---|
| 106 | return rc;
|
|---|
| 107 | }
|
|---|
| 108 | //******************************************************************************
|
|---|
| 109 | //******************************************************************************
|
|---|
| 110 | DWORD OSLibDosFreeMem(LPVOID lpMemAddr)
|
|---|
| 111 | {
|
|---|
| 112 | return DosFreeMem(lpMemAddr);
|
|---|
| 113 | }
|
|---|
| 114 | //******************************************************************************
|
|---|
| 115 | //NOTE: If name == NULL, allocated gettable unnamed shared memory
|
|---|
| 116 | //******************************************************************************
|
|---|
| 117 | DWORD OSLibDosAllocSharedMem(LPVOID *lplpMemAddr, DWORD size, DWORD flags, LPSTR name)
|
|---|
| 118 | {
|
|---|
| 119 | APIRET rc;
|
|---|
| 120 | char *sharedmemname = NULL;
|
|---|
| 121 |
|
|---|
| 122 | if(name) {
|
|---|
| 123 | sharedmemname = (char *)malloc(strlen(name) + 16);
|
|---|
| 124 | strcpy(sharedmemname, "\\SHAREMEM\\");
|
|---|
| 125 | strcat(sharedmemname, name);
|
|---|
| 126 | }
|
|---|
| 127 | else flags |= OBJ_GETTABLE;
|
|---|
| 128 |
|
|---|
| 129 | rc = DosAllocSharedMem(lplpMemAddr, sharedmemname, size, flags);
|
|---|
| 130 | if(name) {
|
|---|
| 131 | free(sharedmemname);
|
|---|
| 132 | }
|
|---|
| 133 | return rc;
|
|---|
| 134 | }
|
|---|
| 135 | //******************************************************************************
|
|---|
| 136 | //NOTE: If name == NULL, assume gettable unnamed shared memory
|
|---|
| 137 | //******************************************************************************
|
|---|
| 138 | DWORD OSLibDosGetNamedSharedMem(LPVOID *lplpMemAddr, LPSTR name)
|
|---|
| 139 | {
|
|---|
| 140 | APIRET rc;
|
|---|
| 141 | char *sharedmemname = NULL;
|
|---|
| 142 |
|
|---|
| 143 | if(name) {
|
|---|
| 144 | sharedmemname = (char *)malloc(strlen(name) + 16);
|
|---|
| 145 | strcpy(sharedmemname, "\\SHAREMEM\\");
|
|---|
| 146 | strcat(sharedmemname, name);
|
|---|
| 147 | rc = DosGetNamedSharedMem(lplpMemAddr, sharedmemname, PAG_READ|PAG_WRITE);
|
|---|
| 148 | if(name) {
|
|---|
| 149 | free(sharedmemname);
|
|---|
| 150 | }
|
|---|
| 151 | }
|
|---|
| 152 | else rc = DosGetSharedMem((LPVOID)*(DWORD *)lplpMemAddr, PAG_READ|PAG_WRITE);
|
|---|
| 153 |
|
|---|
| 154 | return rc;
|
|---|
| 155 | }
|
|---|
| 156 | //******************************************************************************
|
|---|
| 157 | //******************************************************************************
|
|---|
| 158 | DWORD OSLibDosQueryMem(LPVOID lpMemAddr, DWORD *lpRangeSize, DWORD *lpAttr)
|
|---|
| 159 | {
|
|---|
| 160 | return DosQueryMem(lpMemAddr, lpRangeSize, lpAttr);
|
|---|
| 161 | }
|
|---|
| 162 | //******************************************************************************
|
|---|
| 163 | //******************************************************************************
|
|---|
| 164 | DWORD OSLibDosSetMem(LPVOID lpMemAddr, DWORD size, DWORD flags)
|
|---|
| 165 | {
|
|---|
| 166 | APIRET rc;
|
|---|
| 167 |
|
|---|
| 168 | rc = DosSetMem(lpMemAddr, size, flags);
|
|---|
| 169 | switch(rc) {
|
|---|
| 170 | case ERROR_INVALID_ADDRESS:
|
|---|
| 171 | return OSLIB_ERROR_INVALID_ADDRESS;
|
|---|
| 172 | case ERROR_ACCESS_DENIED:
|
|---|
| 173 | return OSLIB_ERROR_ACCESS_DENIED;
|
|---|
| 174 | default:
|
|---|
| 175 | return rc;
|
|---|
| 176 | }
|
|---|
| 177 | }
|
|---|
| 178 | //******************************************************************************
|
|---|
| 179 | //******************************************************************************
|
|---|
| 180 | DWORD OSLibDosOpen(char *lpszFileName, DWORD flags)
|
|---|
| 181 | {
|
|---|
| 182 | APIRET rc;
|
|---|
| 183 | HFILE hFile;
|
|---|
| 184 | ULONG ulAction;
|
|---|
| 185 | DWORD os2flags = OPEN_FLAGS_NOINHERIT;
|
|---|
| 186 |
|
|---|
| 187 |
|
|---|
| 188 | if(flags & OSLIB_ACCESS_READONLY)
|
|---|
| 189 | os2flags |= OPEN_ACCESS_READONLY;
|
|---|
| 190 | else
|
|---|
| 191 | if(flags & OSLIB_ACCESS_READWRITE)
|
|---|
| 192 | os2flags |= OPEN_ACCESS_READWRITE;
|
|---|
| 193 |
|
|---|
| 194 | if(flags & OSLIB_ACCESS_SHAREDENYNONE)
|
|---|
| 195 | os2flags |= OPEN_SHARE_DENYNONE;
|
|---|
| 196 | else
|
|---|
| 197 | if(flags & OSLIB_ACCESS_SHAREDENYREAD)
|
|---|
| 198 | os2flags |= OPEN_SHARE_DENYREAD;
|
|---|
| 199 | else
|
|---|
| 200 | if(flags & OSLIB_ACCESS_SHAREDENYWRITE)
|
|---|
| 201 | os2flags |= OPEN_SHARE_DENYWRITE;
|
|---|
| 202 |
|
|---|
| 203 | tryopen:
|
|---|
| 204 | rc = DosOpen(lpszFileName, /* File path name */
|
|---|
| 205 | &hFile, /* File handle */
|
|---|
| 206 | &ulAction, /* Action taken */
|
|---|
| 207 | 0L, /* File primary allocation */
|
|---|
| 208 | 0L, /* File attribute */
|
|---|
| 209 | OPEN_ACTION_FAIL_IF_NEW |
|
|---|
| 210 | OPEN_ACTION_OPEN_IF_EXISTS, /* Open function type */
|
|---|
| 211 | os2flags,
|
|---|
| 212 | 0L); /* No extended attribute */
|
|---|
| 213 |
|
|---|
| 214 | if(rc) {
|
|---|
| 215 | if(rc == ERROR_TOO_MANY_OPEN_FILES) {
|
|---|
| 216 | ULONG CurMaxFH;
|
|---|
| 217 | LONG ReqCount = 32;
|
|---|
| 218 |
|
|---|
| 219 | rc = DosSetRelMaxFH(&ReqCount, &CurMaxFH);
|
|---|
| 220 | if(rc) {
|
|---|
| 221 | dprintf(("DosSetRelMaxFH returned %d", rc));
|
|---|
| 222 | return 0;
|
|---|
| 223 | }
|
|---|
| 224 | dprintf(("DosOpen failed -> increased nr open files to %d", CurMaxFH));
|
|---|
| 225 | goto tryopen;
|
|---|
| 226 | }
|
|---|
| 227 | return 0;
|
|---|
| 228 | }
|
|---|
| 229 | else return hFile;
|
|---|
| 230 | }
|
|---|
| 231 | //******************************************************************************
|
|---|
| 232 | //******************************************************************************
|
|---|
| 233 | DWORD OSLibDosClose(DWORD hFile)
|
|---|
| 234 | {
|
|---|
| 235 | return DosClose(hFile);
|
|---|
| 236 | }
|
|---|
| 237 | //******************************************************************************
|
|---|
| 238 | //******************************************************************************
|
|---|
| 239 | DWORD OSLibDosRead(DWORD hFile, LPVOID lpBuffer, DWORD size, DWORD *nrBytesRead)
|
|---|
| 240 | {
|
|---|
| 241 | return DosRead(hFile, lpBuffer, size, nrBytesRead);
|
|---|
| 242 | }
|
|---|
| 243 | //******************************************************************************
|
|---|
| 244 | //******************************************************************************
|
|---|
| 245 | DWORD OSLibDosWrite(DWORD hFile, LPVOID lpBuffer, DWORD size, DWORD *nrBytesWritten)
|
|---|
| 246 | {
|
|---|
| 247 | return DosWrite(hFile, lpBuffer, size, nrBytesWritten);
|
|---|
| 248 | }
|
|---|
| 249 | //******************************************************************************
|
|---|
| 250 | //******************************************************************************
|
|---|
| 251 | DWORD OSLibDosSetFilePtr(DWORD hFile, DWORD offset, DWORD method)
|
|---|
| 252 | {
|
|---|
| 253 | DWORD os2method;
|
|---|
| 254 | DWORD newoffset;
|
|---|
| 255 | APIRET rc;
|
|---|
| 256 |
|
|---|
| 257 | switch(method) {
|
|---|
| 258 | case OSLIB_SETPTR_FILE_CURRENT:
|
|---|
| 259 | os2method = FILE_CURRENT;
|
|---|
| 260 | break;
|
|---|
| 261 | case OSLIB_SETPTR_FILE_BEGIN:
|
|---|
| 262 | os2method = FILE_BEGIN ;
|
|---|
| 263 | break;
|
|---|
| 264 | case OSLIB_SETPTR_FILE_END:
|
|---|
| 265 | os2method = FILE_END;
|
|---|
| 266 | break;
|
|---|
| 267 | default:
|
|---|
| 268 | return OSLIB_ERROR_INVALID_PARAMETER;
|
|---|
| 269 | }
|
|---|
| 270 | rc = DosSetFilePtr(hFile, offset, os2method, &newoffset);
|
|---|
| 271 | if(rc) {
|
|---|
| 272 | return -1;
|
|---|
| 273 | }
|
|---|
| 274 | else return newoffset;
|
|---|
| 275 | }
|
|---|
| 276 | //******************************************************************************
|
|---|
| 277 | //******************************************************************************
|
|---|
| 278 | //@@@PH Note: this routine is nothing but a QUICK'N'DIRTY HACK!
|
|---|
| 279 | //@@@PH this function should be implemented accordingly to NTDLL's
|
|---|
| 280 | // RtlSecondsSince1980ToTime
|
|---|
| 281 | // RtlTimeToSecondsSince1980
|
|---|
| 282 | static void iFDATEFTIME2FILETIME(FDATE fdOS2, FTIME ftOS2, LPFILETIME pftWin32)
|
|---|
| 283 | {
|
|---|
| 284 | float f;
|
|---|
| 285 | #define facSECOND 2 // as encoded in OS/2
|
|---|
| 286 | #define facMINUTE 60
|
|---|
| 287 | #define facHOUR 3600
|
|---|
| 288 | #define facDAY 86400
|
|---|
| 289 | #define facMONTH facDAY * 30 // cough, cough :)
|
|---|
| 290 | #define facYEAR facDAY * 365
|
|---|
| 291 |
|
|---|
| 292 | /* pftWin32 is 100ns based from 01.01.1601 00:00:00 */
|
|---|
| 293 | f = (fdOS2.year + 379) * facYEAR // 1980 - 1601
|
|---|
| 294 | + (fdOS2.month - 0 ) * facMONTH
|
|---|
| 295 | + (fdOS2.day - 1 ) * facDAY
|
|---|
| 296 | + (ftOS2.hours ) * facHOUR
|
|---|
| 297 | + (ftOS2.minutes ) * facMINUTE
|
|---|
| 298 | + (ftOS2.twosecs ) * facSECOND;
|
|---|
| 299 |
|
|---|
| 300 | f *= 10000; // convert to 100ns base
|
|---|
| 301 | pftWin32->dwHighDateTime = (f / (float)(0xffffffff) );
|
|---|
| 302 | pftWin32->dwLowDateTime = (f - (float)((float)pftWin32->dwHighDateTime *
|
|---|
| 303 | (float)0xffffffff) );
|
|---|
| 304 | }
|
|---|
| 305 |
|
|---|
| 306 | BOOL OSLibDosGetFileAttributesEx(PSZ pszName,
|
|---|
| 307 | ULONG ulDummy,
|
|---|
| 308 | PVOID pBuffer)
|
|---|
| 309 | {
|
|---|
| 310 | APIRET rc; /* API return code */
|
|---|
| 311 | FILESTATUS3 fs3; /* file information structure */
|
|---|
| 312 | LPWIN32_FILE_ATTRIBUTE_DATA lpFad = (LPWIN32_FILE_ATTRIBUTE_DATA) pBuffer;
|
|---|
| 313 |
|
|---|
| 314 | // Note: we only handle standard "GetFileExInfoStandard" requests
|
|---|
| 315 | rc = DosQueryPathInfo(pszName, /* query the file information */
|
|---|
| 316 | FIL_STANDARD,
|
|---|
| 317 | &fs3,
|
|---|
| 318 | sizeof(fs3));
|
|---|
| 319 | if (rc != NO_ERROR) /* check for errors */
|
|---|
| 320 | return FALSE; /* raise error condition */
|
|---|
| 321 |
|
|---|
| 322 | // convert structure
|
|---|
| 323 | lpFad->dwFileAttributes = fs3.attrFile; // directly interchangeable
|
|---|
| 324 | iFDATEFTIME2FILETIME(fs3.fdateCreation, fs3.ftimeCreation, &lpFad->ftCreationTime);
|
|---|
| 325 | iFDATEFTIME2FILETIME(fs3.fdateLastAccess, fs3.ftimeLastAccess, &lpFad->ftLastAccessTime);
|
|---|
| 326 | iFDATEFTIME2FILETIME(fs3.fdateLastWrite, fs3.ftimeLastWrite, &lpFad->ftLastWriteTime);
|
|---|
| 327 |
|
|---|
| 328 | /* @@@PH we might add Aurora support ...
|
|---|
| 329 | lpFad->nFileSizeHigh = info.nFileSizeHigh;
|
|---|
| 330 | */
|
|---|
| 331 | lpFad->nFileSizeHigh = 0;
|
|---|
| 332 | lpFad->nFileSizeLow = fs3.cbFile;
|
|---|
| 333 |
|
|---|
| 334 | return TRUE;
|
|---|
| 335 | }
|
|---|
| 336 | //******************************************************************************
|
|---|
| 337 | //******************************************************************************
|
|---|
| 338 | DWORD OSLibDosSearchPath(DWORD cmd, char *path, char *name, char *full_name,
|
|---|
| 339 | DWORD length_fullname)
|
|---|
| 340 | {
|
|---|
| 341 | switch(cmd) {
|
|---|
| 342 | case OSLIB_SEARCHDIR:
|
|---|
| 343 | if(DosSearchPath(SEARCH_IGNORENETERRS, path,
|
|---|
| 344 | name, full_name, length_fullname) != 0) {
|
|---|
| 345 | return 0;
|
|---|
| 346 | }
|
|---|
| 347 | return strlen(full_name);
|
|---|
| 348 |
|
|---|
| 349 |
|
|---|
| 350 | case OSLIB_SEARCHCURDIR:
|
|---|
| 351 | if(DosSearchPath(SEARCH_IGNORENETERRS | SEARCH_CUR_DIRECTORY, path,
|
|---|
| 352 | name, full_name, length_fullname) != 0) {
|
|---|
| 353 | return 0;
|
|---|
| 354 | }
|
|---|
| 355 | return strlen(full_name);
|
|---|
| 356 |
|
|---|
| 357 | case OSLIB_SEARCHFILE:
|
|---|
| 358 | {
|
|---|
| 359 | FILESTATUS3 fileinfo;
|
|---|
| 360 |
|
|---|
| 361 | if(DosQueryPathInfo(name, FIL_STANDARD, &fileinfo, sizeof(fileinfo)) != 0) {
|
|---|
| 362 | return 0;
|
|---|
| 363 | }
|
|---|
| 364 | strncpy(full_name, name, length_fullname);
|
|---|
| 365 | return strlen(full_name);
|
|---|
| 366 | }
|
|---|
| 367 |
|
|---|
| 368 | case OSLIB_SEARCHENV:
|
|---|
| 369 | {
|
|---|
| 370 | char *env = getenv(path);
|
|---|
| 371 | if(env == NULL)
|
|---|
| 372 | return 0;
|
|---|
| 373 |
|
|---|
| 374 | while(*env != '=') env++;
|
|---|
| 375 | env++;
|
|---|
| 376 | while(*env == ' ') env++;
|
|---|
| 377 | if(DosSearchPath(SEARCH_IGNORENETERRS | SEARCH_ENVIRONMENT, env,
|
|---|
| 378 | name, full_name, length_fullname) != 0) {
|
|---|
| 379 | return 0;
|
|---|
| 380 | }
|
|---|
| 381 | return strlen(full_name);
|
|---|
| 382 | }
|
|---|
| 383 | }
|
|---|
| 384 | return 0;
|
|---|
| 385 | }
|
|---|
| 386 | //******************************************************************************
|
|---|
| 387 | //******************************************************************************
|
|---|
| 388 | DWORD OSLibDosCreate(CHAR *lpFileName,
|
|---|
| 389 | DWORD dwAccess,
|
|---|
| 390 | DWORD dwShare,
|
|---|
| 391 | LPSECURITY_ATTRIBUTES lpSecurityAttributes,
|
|---|
| 392 | DWORD dwCreation,
|
|---|
| 393 | DWORD dwFlags,
|
|---|
| 394 | HANDLE hTemplate,
|
|---|
| 395 | DWORD *dwFile)
|
|---|
| 396 | {
|
|---|
| 397 | APIRET rc;
|
|---|
| 398 | HFILE hFile;
|
|---|
| 399 | ULONG ulAction=0;
|
|---|
| 400 | DWORD os2Attrib=0;
|
|---|
| 401 | DWORD os2Flags = 0; //OPEN_FLAGS_NOINHERIT;
|
|---|
| 402 | DWORD os2Open=0;
|
|---|
| 403 |
|
|---|
| 404 | #define GENERIC_READ 0x80000000
|
|---|
| 405 | #define GENERIC_WRITE 0x40000000
|
|---|
| 406 | if(dwAccess == (GENERIC_READ | GENERIC_WRITE))
|
|---|
| 407 | os2Flags |= OPEN_ACCESS_READWRITE;
|
|---|
| 408 | else if(dwAccess & GENERIC_WRITE)
|
|---|
| 409 | os2Flags |= OPEN_ACCESS_WRITEONLY;
|
|---|
| 410 | else if(dwAccess & GENERIC_READ)
|
|---|
| 411 | os2Flags |= OPEN_ACCESS_READONLY;
|
|---|
| 412 |
|
|---|
| 413 | #define FILE_SHARE_READ 0x00000001L
|
|---|
| 414 | #define FILE_SHARE_WRITE 0x00000002L
|
|---|
| 415 | if(dwShare == 0)
|
|---|
| 416 | os2Flags |= OPEN_SHARE_DENYREADWRITE;
|
|---|
| 417 | else if(dwShare == (FILE_SHARE_READ | FILE_SHARE_WRITE))
|
|---|
| 418 | os2Flags |= OPEN_SHARE_DENYNONE;
|
|---|
| 419 | else if(dwShare & FILE_SHARE_READ)
|
|---|
| 420 | os2Flags |= OPEN_SHARE_DENYWRITE;
|
|---|
| 421 | else if(dwShare & FILE_SHARE_WRITE)
|
|---|
| 422 | os2Flags |= OPEN_SHARE_DENYREAD;
|
|---|
| 423 |
|
|---|
| 424 | #define CREATE_NEW 1
|
|---|
| 425 | #define CREATE_ALWAYS 2
|
|---|
| 426 | #define OPEN_EXISTING 3
|
|---|
| 427 | #define OPEN_ALWAYS 4
|
|---|
| 428 | #define TRUNCATE_EXISTING 5
|
|---|
| 429 | if(dwCreation == CREATE_NEW)
|
|---|
| 430 | os2Open = OPEN_ACTION_FAIL_IF_EXISTS | OPEN_ACTION_CREATE_IF_NEW;
|
|---|
| 431 | else if(dwCreation == CREATE_ALWAYS)
|
|---|
| 432 | os2Open = OPEN_ACTION_REPLACE_IF_EXISTS | OPEN_ACTION_CREATE_IF_NEW;
|
|---|
| 433 | else if(dwCreation == OPEN_EXISTING)
|
|---|
| 434 | os2Open = OPEN_ACTION_OPEN_IF_EXISTS | OPEN_ACTION_FAIL_IF_NEW;
|
|---|
| 435 | else if(dwCreation == OPEN_ALWAYS)
|
|---|
| 436 | os2Open = OPEN_ACTION_OPEN_IF_EXISTS | OPEN_ACTION_CREATE_IF_NEW;
|
|---|
| 437 | else if(dwCreation == TRUNCATE_EXISTING)
|
|---|
| 438 | os2Open = OPEN_ACTION_REPLACE_IF_EXISTS;// |OPEN_ACTION_FAIL_IF_NEW;
|
|---|
| 439 |
|
|---|
| 440 | #define FILE_ATTRIBUTE_READONLY 0x00000001L
|
|---|
| 441 | #define FILE_ATTRIBUTE_HIDDEN 0x00000002L
|
|---|
| 442 | #define FILE_ATTRIBUTE_SYSTEM 0x00000004L
|
|---|
| 443 | #define FILE_ATTRIBUTE_DIRECTORY 0x00000010L
|
|---|
| 444 | #define FILE_ATTRIBUTE_ARCHIVE 0x00000020L
|
|---|
| 445 | #define FILE_ATTRIBUTE_NORMAL 0x00000080L
|
|---|
| 446 | #define FILE_ATTRIBUTE_TEMPORARY 0x00000100L
|
|---|
| 447 | if(dwFlags & FILE_ATTRIBUTE_READONLY)
|
|---|
| 448 | os2Attrib |= FILE_READONLY;
|
|---|
| 449 | if(dwFlags & FILE_ATTRIBUTE_HIDDEN)
|
|---|
| 450 | os2Attrib |= FILE_HIDDEN;
|
|---|
| 451 | if(dwFlags & FILE_ATTRIBUTE_SYSTEM)
|
|---|
| 452 | os2Attrib |= FILE_SYSTEM;
|
|---|
| 453 | if(dwFlags & FILE_ATTRIBUTE_DIRECTORY)
|
|---|
| 454 | os2Attrib |= FILE_DIRECTORY;
|
|---|
| 455 | if(dwFlags & FILE_ATTRIBUTE_ARCHIVE)
|
|---|
| 456 | os2Attrib |= FILE_ARCHIVED;
|
|---|
| 457 | if(dwFlags & FILE_ATTRIBUTE_NORMAL)
|
|---|
| 458 | os2Attrib |= FILE_NORMAL;
|
|---|
| 459 |
|
|---|
| 460 | #define FILE_FLAG_WRITE_THROUGH 0x80000000UL
|
|---|
| 461 | #define FILE_FLAG_OVERLAPPED 0x40000000L
|
|---|
| 462 | #define FILE_FLAG_NO_BUFFERING 0x20000000L
|
|---|
| 463 | #define FILE_FLAG_RANDOM_ACCESS 0x10000000L
|
|---|
| 464 | #define FILE_FLAG_SEQUENTIAL_SCAN 0x08000000L
|
|---|
| 465 | #define FILE_FLAG_DELETE_ON_CLOSE 0x04000000L
|
|---|
| 466 | #define FILE_FLAG_BACKUP_SEMANTICS 0x02000000L
|
|---|
| 467 | #define FILE_FLAG_POSIX_SEMANTICS 0x01000000L
|
|---|
| 468 | if(dwFlags & FILE_FLAG_WRITE_THROUGH)
|
|---|
| 469 | os2Flags |= OPEN_FLAGS_WRITE_THROUGH;
|
|---|
| 470 | if(dwFlags & FILE_FLAG_NO_BUFFERING)
|
|---|
| 471 | os2Flags |= OPEN_FLAGS_NO_CACHE;
|
|---|
| 472 | if(dwFlags & FILE_FLAG_RANDOM_ACCESS)
|
|---|
| 473 | os2Flags |= OPEN_FLAGS_RANDOM;
|
|---|
| 474 | if(dwFlags & FILE_FLAG_SEQUENTIAL_SCAN)
|
|---|
| 475 | os2Flags |= OPEN_FLAGS_SEQUENTIAL;
|
|---|
| 476 |
|
|---|
| 477 | // TODO:
|
|---|
| 478 | // if(dwFlags & FILE_FLAG_OVERLAPPED)
|
|---|
| 479 | // if(dwFlags & FILE_FLAG_DELETE_ON_CLOSE
|
|---|
| 480 |
|
|---|
| 481 | rc = DosOpen(lpFileName, &hFile, &ulAction, 0,
|
|---|
| 482 | os2Attrib, os2Open, os2Flags, 0);
|
|---|
| 483 |
|
|---|
| 484 | if(rc)
|
|---|
| 485 | {
|
|---|
| 486 | // TODO: TEST TEST
|
|---|
| 487 | dprintf(("DosOpen Error rc:%d, try without GENERIC_WRITE", rc));
|
|---|
| 488 | if(dwAccess & GENERIC_WRITE)
|
|---|
| 489 | os2Flags &= ~(OPEN_ACCESS_READWRITE | OPEN_ACCESS_WRITEONLY);
|
|---|
| 490 | rc = DosOpen(lpFileName, &hFile, &ulAction, 0,
|
|---|
| 491 | os2Attrib, os2Open, os2Flags, 0);
|
|---|
| 492 | if(rc)
|
|---|
| 493 | {
|
|---|
| 494 | dprintf(("DosOpen Error rc:%d os2Attrib:%X os2Open:%X os2Flags:%X",
|
|---|
| 495 | rc, os2Attrib, os2Open, os2Flags));
|
|---|
| 496 | hFile = -1;
|
|---|
| 497 | }
|
|---|
| 498 | }
|
|---|
| 499 |
|
|---|
| 500 | *dwFile = hFile;
|
|---|
| 501 | return rc;
|
|---|
| 502 | }
|
|---|
| 503 | //******************************************************************************
|
|---|
| 504 | //(without changing file pointer)
|
|---|
| 505 | //******************************************************************************
|
|---|
| 506 | DWORD OSLibDosGetFileSize(DWORD hFile)
|
|---|
| 507 | {
|
|---|
| 508 | FILESTATUS3 fsts3ConfigInfo = {{0}};
|
|---|
| 509 | ULONG ulBufSize = sizeof(FILESTATUS3);
|
|---|
| 510 |
|
|---|
| 511 | DosQueryFileInfo(hFile, FIL_STANDARD, &fsts3ConfigInfo, ulBufSize);
|
|---|
| 512 | return fsts3ConfigInfo.cbFile;
|
|---|
| 513 | }
|
|---|
| 514 | //******************************************************************************
|
|---|
| 515 | //******************************************************************************
|
|---|
| 516 | DWORD OSLibDosSetFilePtr2(DWORD hFile, DWORD offset, DWORD method)
|
|---|
| 517 | {
|
|---|
| 518 | DWORD newoffset;
|
|---|
| 519 | APIRET rc;
|
|---|
| 520 |
|
|---|
| 521 |
|
|---|
| 522 | rc = DosSetFilePtr(hFile, offset, method, &newoffset);
|
|---|
| 523 | if(rc) {
|
|---|
| 524 | dprintf(("DosSetFilePtr Error rc:%d", rc));
|
|---|
| 525 | return -1;
|
|---|
| 526 | }
|
|---|
| 527 | else return newoffset;
|
|---|
| 528 | }
|
|---|
| 529 | //******************************************************************************
|
|---|
| 530 | //(FlushBuffer)
|
|---|
| 531 | //******************************************************************************
|
|---|
| 532 | DWORD OSLibDosResetBuffer(DWORD hFile)
|
|---|
| 533 | {
|
|---|
| 534 | return DosResetBuffer(hFile);
|
|---|
| 535 | }
|
|---|
| 536 | //******************************************************************************
|
|---|
| 537 | //******************************************************************************
|
|---|
| 538 | DWORD OSLibDosDupHandle(DWORD hFile, DWORD *hNew)
|
|---|
| 539 | {
|
|---|
| 540 | *hNew = -1;
|
|---|
| 541 | return DosDupHandle(hFile, hNew);
|
|---|
| 542 | }
|
|---|
| 543 | //******************************************************************************
|
|---|
| 544 | //******************************************************************************
|
|---|
| 545 | void OSLibDosDisableHardError(BOOL fTurnOff)
|
|---|
| 546 | {
|
|---|
| 547 | DosError((fTurnOff) ? FERR_DISABLEHARDERR : FERR_ENABLEHARDERR);
|
|---|
| 548 | }
|
|---|
| 549 | //******************************************************************************
|
|---|
| 550 | //******************************************************************************
|
|---|
