/
platform_os2.c
704 lines (557 loc) · 21 KB
1
2
3
/*
* OS/2 support routines for PhysicsFS.
*
4
* Please see the file LICENSE.txt in the source's root directory.
5
6
7
8
*
* This file written by Ryan C. Gordon.
*/
9
10
11
12
#define __PHYSICSFS_INTERNAL__
#include "physfs_platforms.h"
#ifdef PHYSFS_PLATFORM_OS2
13
14
15
16
17
18
#define INCL_DOSSEMAPHORES
#define INCL_DOSDATETIME
#define INCL_DOSFILEMGR
#define INCL_DOSMODULEMGR
#define INCL_DOSERRORS
19
#define INCL_DOSPROCESS
20
#define INCL_DOSDEVICES
21
22
#define INCL_DOSDEVIOCTL
#define INCL_DOSMISC
23
24
25
#include <os2.h>
#include <errno.h>
26
27
28
29
30
31
#include <time.h>
#include <ctype.h>
#include "physfs_internal.h"
const char *__PHYSFS_platformDirSeparator = "\\";
32
33
34
static const char *get_os2_error_string(APIRET rc)
35
{
36
switch (rc)
37
{
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
case NO_ERROR: return NULL; /* not an error. */
case ERROR_INTERRUPT: return NULL; /* not an error. */
case ERROR_TIMEOUT: return NULL; /* not an error. */
case ERROR_NOT_ENOUGH_MEMORY: return ERR_OUT_OF_MEMORY;
case ERROR_FILE_NOT_FOUND: return ERR_NO_SUCH_FILE;
case ERROR_PATH_NOT_FOUND: return ERR_NO_SUCH_PATH;
case ERROR_ACCESS_DENIED: return ERR_ACCESS_DENIED;
case ERROR_NOT_DOS_DISK: return ERR_NOT_A_DOS_DISK;
case ERROR_SHARING_VIOLATION: return ERR_SHARING_VIOLATION;
case ERROR_CANNOT_MAKE: return ERR_CANNOT_MAKE;
case ERROR_DEVICE_IN_USE: return ERR_DEV_IN_USE;
case ERROR_OPEN_FAILED: return ERR_OPEN_FAILED;
case ERROR_DISK_FULL: return ERR_DISK_FULL;
case ERROR_PIPE_BUSY: return ERR_PIPE_BUSY;
case ERROR_SHARING_BUFFER_EXCEEDED: return ERR_SHARING_BUF_EXCEEDED;
case ERROR_FILENAME_EXCED_RANGE: return ERR_BAD_FILENAME;
case ERROR_META_EXPANSION_TOO_LONG: return ERR_BAD_FILENAME;
case ERROR_TOO_MANY_HANDLES: return ERR_TOO_MANY_HANDLES;
case ERROR_TOO_MANY_OPEN_FILES: return ERR_TOO_MANY_HANDLES;
case ERROR_NO_MORE_SEARCH_HANDLES: return ERR_TOO_MANY_HANDLES;
case ERROR_SEEK_ON_DEVICE: return ERR_SEEK_ERROR;
case ERROR_NEGATIVE_SEEK: return ERR_SEEK_OUT_OF_RANGE;
/*!!! FIXME: Where did this go? case ERROR_DEL_CURRENT_DIRECTORY: return ERR_DEL_CWD;*/
case ERROR_WRITE_PROTECT: return ERR_WRITE_PROTECT_ERROR;
case ERROR_WRITE_FAULT: return ERR_WRITE_FAULT;
case ERROR_LOCK_VIOLATION: return ERR_LOCK_VIOLATION;
case ERROR_GEN_FAILURE: return ERR_GEN_FAILURE;
case ERROR_UNCERTAIN_MEDIA: return ERR_UNCERTAIN_MEDIA;
case ERROR_PROTECTION_VIOLATION: return ERR_PROT_VIOLATION;
case ERROR_BROKEN_PIPE: return ERR_BROKEN_PIPE;
68
69
70
71
72
73
74
75
76
77
78
79
80
case ERROR_INVALID_PARAMETER:
case ERROR_INVALID_NAME:
case ERROR_INVALID_DRIVE:
case ERROR_INVALID_HANDLE:
case ERROR_INVALID_FUNCTION:
case ERROR_INVALID_LEVEL:
case ERROR_INVALID_CATEGORY:
case ERROR_DUPLICATE_NAME:
case ERROR_BUFFER_OVERFLOW:
case ERROR_BAD_LENGTH:
case ERROR_BAD_DRIVER_LEVEL:
case ERROR_DIRECT_ACCESS_HANDLE:
81
case ERROR_NOT_OWNER:
82
return ERR_PHYSFS_BAD_OS_CALL;
83
84
default: return ERR_OS2_GENERIC;
85
} /* switch */
86
87
return NULL;
88
} /* get_os2_error_string */
89
90
91
92
93
94
static APIRET os2err(APIRET retval)
{
char buf[128];
const char *err = get_os2_error_string(retval);
95
if (strcmp(err, ERR_OS2_GENERIC) == 0)
96
{
97
snprintf(buf, sizeof (buf), ERR_OS2_GENERIC, (int) retval);
98
99
err = buf;
} /* if */
100
101
102
103
if (err != NULL)
__PHYSFS_setError(err);
104
return retval;
105
106
107
} /* os2err */
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
/* (be gentle, this function isn't very robust.) */
static void cvt_path_to_correct_case(char *buf)
{
char *fname = buf + 3; /* point to first element. */
char *ptr = strchr(fname, '\\'); /* find end of first element. */
buf[0] = toupper(buf[0]); /* capitalize drive letter. */
/*
* Go through each path element, and enumerate its parent dir until
* a case-insensitive match is found. If one is (and it SHOULD be)
* then overwrite the original element with the correct case.
* If there's an error, or the path has vanished for some reason, it
* won't hurt to have the original case, so we just keep going.
*/
while (fname != NULL)
{
char spec[CCHMAXPATH];
FILEFINDBUF3 fb;
HDIR hdir = HDIR_CREATE;
ULONG count = 1;
APIRET rc;
*(fname - 1) = '\0'; /* isolate parent dir string. */
strcpy(spec, buf); /* copy isolated parent dir... */
strcat(spec, "\\*.*"); /* ...and add wildcard search spec. */
if (ptr != NULL) /* isolate element to find (fname is the start). */
*ptr = '\0';
139
rc = DosFindFirst((unsigned char *) spec, &hdir, FILE_DIRECTORY,
140
141
142
143
144
&fb, sizeof (fb), &count, FIL_STANDARD);
if (rc == NO_ERROR)
{
while (count == 1) /* while still entries to enumerate... */
{
145
if (__PHYSFS_stricmpASCII(fb.achName, fname) == 0)
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
{
strcpy(fname, fb.achName);
break; /* there it is. Overwrite and stop searching. */
} /* if */
DosFindNext(hdir, &fb, sizeof (fb), &count);
} /* while */
DosFindClose(hdir);
} /* if */
*(fname - 1) = '\\'; /* unisolate parent dir. */
fname = ptr; /* point to next element. */
if (ptr != NULL)
{
*ptr = '\\'; /* unisolate element. */
ptr = strchr(++fname, '\\'); /* find next element. */
} /* if */
} /* while */
} /* cvt_file_to_correct_case */
167
168
169
170
171
172
static char *baseDir = NULL;
int __PHYSFS_platformInit(void)
{
char buf[CCHMAXPATH];
APIRET rc;
173
174
PTIB ptib;
PPIB ppib;
175
PHYSFS_sint32 len;
176
177
assert(baseDir == NULL);
178
179
BAIL_IF_MACRO(os2err(DosGetInfoBlocks(&ptib, &ppib)) != NO_ERROR, NULL, 0);
rc = DosQueryModuleName(ppib->pib_hmte, sizeof (buf), (PCHAR) buf);
180
181
BAIL_IF_MACRO(os2err(rc) != NO_ERROR, NULL, 0);
182
183
184
185
186
/* chop off filename, leave path. */
for (len = strlen(buf) - 1; len >= 0; len--)
{
if (buf[len] == '\\')
{
187
buf[len] = '\0';
188
189
190
191
break;
} /* if */
} /* for */
192
assert(len > 0); /* should have been a "x:\\" on the front on string. */
193
194
195
196
/* The string is capitalized! Figure out the REAL case... */
cvt_path_to_correct_case(buf);
197
baseDir = (char *) allocator.Malloc(len + 1);
198
BAIL_IF_MACRO(baseDir == NULL, ERR_OUT_OF_MEMORY, 0);
199
strcpy(baseDir, buf);
200
return 1; /* success. */
201
202
203
204
205
206
} /* __PHYSFS_platformInit */
int __PHYSFS_platformDeinit(void)
{
assert(baseDir != NULL);
207
allocator.Free(baseDir);
208
baseDir = NULL;
209
return 1; /* success. */
210
211
212
213
214
215
216
217
218
219
} /* __PHYSFS_platformDeinit */
static int disc_is_inserted(ULONG drive)
{
int rc;
char buf[20];
DosError(FERR_DISABLEHARDERR | FERR_DISABLEEXCEPTION);
rc = DosQueryFSInfo(drive + 1, FSIL_VOLSER, buf, sizeof (buf));
DosError(FERR_ENABLEHARDERR | FERR_ENABLEEXCEPTION);
220
return (rc == NO_ERROR);
221
222
223
} /* is_cdrom_inserted */
224
225
226
/* looks like "CD01" in ASCII (littleendian)...used for an ioctl. */
#define CD01 0x31304443
227
228
static int is_cdrom_drive(ULONG drive)
{
229
PHYSFS_uint32 param, data;
230
231
ULONG ul1, ul2;
APIRET rc;
232
HFILE hfile = NULLHANDLE;
233
unsigned char drivename[3] = { 'A' + drive, ':', '\0' };
234
235
236
237
238
239
240
241
242
243
244
245
246
247
rc = DosOpen(drivename, &hfile, &ul1, 0, 0,
OPEN_ACTION_OPEN_IF_EXISTS | OPEN_ACTION_FAIL_IF_NEW,
OPEN_FLAGS_DASD | OPEN_FLAGS_FAIL_ON_ERROR |
OPEN_FLAGS_NOINHERIT | OPEN_SHARE_DENYNONE, NULL);
BAIL_IF_MACRO(rc != NO_ERROR, NULL, 0);
data = 0;
param = PHYSFS_swapULE32(CD01);
ul1 = ul2 = sizeof (PHYSFS_uint32);
rc = DosDevIOCtl(hfile, IOCTL_CDROMDISK, CDROMDISK_GETDRIVER,
¶m, sizeof (param), &ul1, &data, sizeof (data), &ul2);
DosClose(hfile);
248
return ((rc == NO_ERROR) && (PHYSFS_swapULE32(data) == CD01));
249
250
251
} /* is_cdrom_drive */
252
void __PHYSFS_platformDetectAvailableCDs(PHYSFS_StringCallback cb, void *data)
253
{
254
255
ULONG dummy = 0;
ULONG drivemap = 0;
256
ULONG i, bit;
257
APIRET rc = DosQueryCurrentDisk(&dummy, &drivemap);
258
259
if (os2err(rc) != NO_ERROR)
return;
260
261
for (i = 0, bit = 1; i < 26; i++, bit <<= 1)
262
263
264
265
266
{
if (drivemap & bit) /* this logical drive exists. */
{
if ((is_cdrom_drive(i)) && (disc_is_inserted(i)))
{
267
268
269
char drive[4] = "x:\\";
drive[0] = ('A' + i);
cb(data, drive);
270
271
272
273
274
275
276
277
} /* if */
} /* if */
} /* for */
} /* __PHYSFS_platformDetectAvailableCDs */
char *__PHYSFS_platformCalcBaseDir(const char *argv0)
{
278
char *retval = (char *) allocator.Malloc(strlen(baseDir) + 1);
279
280
BAIL_IF_MACRO(retval == NULL, ERR_OUT_OF_MEMORY, NULL);
strcpy(retval, baseDir); /* calculated at init time. */
281
return retval;
282
283
284
285
286
} /* __PHYSFS_platformCalcBaseDir */
char *__PHYSFS_platformGetUserName(void)
{
287
return NULL; /* (*shrug*) */
288
289
290
291
292
} /* __PHYSFS_platformGetUserName */
char *__PHYSFS_platformGetUserDir(void)
{
293
return __PHYSFS_platformCalcBaseDir(NULL);
294
295
296
} /* __PHYSFS_platformGetUserDir */
297
/* !!! FIXME: can we lose the malloc here? */
298
299
300
301
302
303
304
char *__PHYSFS_platformCvtToDependent(const char *prepend,
const char *dirName,
const char *append)
{
int len = ((prepend) ? strlen(prepend) : 0) +
((append) ? strlen(append) : 0) +
strlen(dirName) + 1;
305
char *retval = allocator.Malloc(len);
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
char *p;
BAIL_IF_MACRO(retval == NULL, ERR_OUT_OF_MEMORY, NULL);
if (prepend)
strcpy(retval, prepend);
else
retval[0] = '\0';
strcat(retval, dirName);
if (append)
strcat(retval, append);
for (p = strchr(retval, '/'); p != NULL; p = strchr(p + 1, '/'))
*p = '\\';
323
return retval;
324
325
326
} /* __PHYSFS_platformCvtToDependent */
327
328
void __PHYSFS_platformEnumerateFiles(const char *dirname,
int omitSymLinks,
329
330
PHYSFS_EnumFilesCallback callback,
const char *origdir,
331
void *callbackdata)
332
333
{
char spec[CCHMAXPATH];
334
FILEFINDBUF3 fb;
335
336
337
338
HDIR hdir = HDIR_CREATE;
ULONG count = 1;
APIRET rc;
339
340
341
342
343
344
if (strlen(dirname) > sizeof (spec) - 5)
{
__PHYSFS_setError(ERR_BAD_FILENAME);
return;
} /* if */
345
strcpy(spec, dirname);
346
strcat(spec, (spec[strlen(spec) - 1] != '\\') ? "\\*.*" : "*.*");
347
348
rc = DosFindFirst((unsigned char *) spec, &hdir,
349
350
FILE_DIRECTORY | FILE_ARCHIVED |
FILE_READONLY | FILE_HIDDEN | FILE_SYSTEM,
351
&fb, sizeof (fb), &count, FIL_STANDARD);
352
353
354
355
if (os2err(rc) != NO_ERROR)
return;
356
357
while (count == 1)
{
358
if ((strcmp(fb.achName, ".") != 0) && (strcmp(fb.achName, "..") != 0))
359
callback(callbackdata, origdir, fb.achName);
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
DosFindNext(hdir, &fb, sizeof (fb), &count);
} /* while */
DosFindClose(hdir);
} /* __PHYSFS_platformEnumerateFiles */
char *__PHYSFS_platformCurrentDir(void)
{
char *retval;
ULONG currentDisk;
ULONG dummy;
ULONG pathSize = 0;
APIRET rc;
BYTE byte;
rc = DosQueryCurrentDisk(¤tDisk, &dummy);
BAIL_IF_MACRO(os2err(rc) != NO_ERROR, NULL, NULL);
/* The first call just tells us how much space we need for the string. */
rc = DosQueryCurrentDir(currentDisk, &byte, &pathSize);
pathSize++; /* Add space for null terminator. */
383
retval = (char *) allocator.Malloc(pathSize + 3); /* plus "x:\\" */
384
385
386
387
388
389
BAIL_IF_MACRO(retval == NULL, ERR_OUT_OF_MEMORY, NULL);
/* Actually get the string this time. */
rc = DosQueryCurrentDir(currentDisk, (PBYTE) (retval + 3), &pathSize);
if (os2err(rc) != NO_ERROR)
{
390
allocator.Free(retval);
391
return NULL;
392
393
394
395
396
} /* if */
retval[0] = ('A' + (currentDisk - 1));
retval[1] = ':';
retval[2] = '\\';
397
return retval;
398
399
400
} /* __PHYSFS_platformCurrentDir */
401
char *__PHYSFS_platformRealPath(const char *_path)
402
{
403
const unsigned char *path = (const unsigned char *) _path;
404
405
char buf[CCHMAXPATH];
char *retval;
406
APIRET rc = DosQueryPathInfo(path, FIL_QUERYFULLNAME, buf, sizeof (buf));
407
BAIL_IF_MACRO(os2err(rc) != NO_ERROR, NULL, NULL);
408
retval = (char *) allocator.Malloc(strlen(buf) + 1);
409
410
BAIL_IF_MACRO(retval == NULL, ERR_OUT_OF_MEMORY, NULL);
strcpy(retval, buf);
411
return retval;
412
413
414
} /* __PHYSFS_platformRealPath */
415
int __PHYSFS_platformMkDir(const char *_filename)
416
{
417
const unsigned char *filename = (const unsigned char *) _filename;
418
return (os2err(DosCreateDir(filename, NULL)) == NO_ERROR);
419
420
421
} /* __PHYSFS_platformMkDir */
422
void *__PHYSFS_platformOpenRead(const char *_filename)
423
{
424
const unsigned char *filename = (const unsigned char *) _filename;
425
426
427
428
429
430
431
432
433
434
ULONG actionTaken = 0;
HFILE hfile = NULLHANDLE;
/*
* File must be opened SHARE_DENYWRITE and ACCESS_READONLY, otherwise
* DosQueryFileInfo() will fail if we try to get a file length, etc.
*/
os2err(DosOpen(filename, &hfile, &actionTaken, 0, FILE_NORMAL,
OPEN_ACTION_OPEN_IF_EXISTS | OPEN_ACTION_FAIL_IF_NEW,
OPEN_FLAGS_FAIL_ON_ERROR | OPEN_FLAGS_NO_LOCALITY |
435
OPEN_FLAGS_NOINHERIT | OPEN_SHARE_DENYWRITE |
436
437
OPEN_ACCESS_READONLY, NULL));
438
return ((void *) hfile);
439
440
441
} /* __PHYSFS_platformOpenRead */
442
void *__PHYSFS_platformOpenWrite(const char *_filename)
443
{
444
const unsigned char *filename = (const unsigned char *) _filename;
445
446
447
448
449
450
451
452
453
454
ULONG actionTaken = 0;
HFILE hfile = NULLHANDLE;
/*
* File must be opened SHARE_DENYWRITE and ACCESS_READWRITE, otherwise
* DosQueryFileInfo() will fail if we try to get a file length, etc.
*/
os2err(DosOpen(filename, &hfile, &actionTaken, 0, FILE_NORMAL,
OPEN_ACTION_REPLACE_IF_EXISTS | OPEN_ACTION_CREATE_IF_NEW,
OPEN_FLAGS_FAIL_ON_ERROR | OPEN_FLAGS_NO_LOCALITY |
455
OPEN_FLAGS_NOINHERIT | OPEN_SHARE_DENYWRITE |
456
457
OPEN_ACCESS_READWRITE, NULL));
458
return ((void *) hfile);
459
460
461
} /* __PHYSFS_platformOpenWrite */
462
void *__PHYSFS_platformOpenAppend(const char *_filename)
463
{
464
const unsigned char *filename = (const unsigned char *) _filename;
465
466
ULONG dummy = 0;
HFILE hfile = NULLHANDLE;
467
APIRET rc;
468
469
470
471
472
473
474
475
/*
* File must be opened SHARE_DENYWRITE and ACCESS_READWRITE, otherwise
* DosQueryFileInfo() will fail if we try to get a file length, etc.
*/
rc = os2err(DosOpen(filename, &hfile, &dummy, 0, FILE_NORMAL,
OPEN_ACTION_OPEN_IF_EXISTS | OPEN_ACTION_CREATE_IF_NEW,
OPEN_FLAGS_FAIL_ON_ERROR | OPEN_FLAGS_NO_LOCALITY |
476
OPEN_FLAGS_NOINHERIT | OPEN_SHARE_DENYWRITE |
477
478
479
480
481
482
483
484
485
486
487
OPEN_ACCESS_READWRITE, NULL));
if (rc == NO_ERROR)
{
if (os2err(DosSetFilePtr(hfile, 0, FILE_END, &dummy)) != NO_ERROR)
{
DosClose(hfile);
hfile = NULLHANDLE;
} /* if */
} /* if */
488
return ((void *) hfile);
489
490
491
} /* __PHYSFS_platformOpenAppend */
492
PHYSFS_sint64 __PHYSFS_platformRead(void *opaque, void *buf, PHYSFS_uint64 len)
493
{
494
495
496
497
498
ULONG br = 0;
BAIL_IF_MACRO(!__PHYSFS_ui64FitsAddressSpace(len),ERR_INVALID_ARGUMENT,-1);
if (os2err(DosRead((HFILE) opaque, buf, (ULONG) len, &br)) != NO_ERROR)
return (br > 0) ? ((PHYSFS_sint64) br) : -1;
return (PHYSFS_sint64) br;
499
500
501
} /* __PHYSFS_platformRead */
502
503
PHYSFS_sint64 __PHYSFS_platformWrite(void *opaque, const void *buf,
PHYSFS_uint64 len)
504
{
505
506
507
508
509
ULONG bw = 0;
BAIL_IF_MACRO(!__PHYSFS_ui64FitsAddressSpace(len),ERR_INVALID_ARGUMENT,-1);
if (os2err(DosWrite((HFILE) opaque, buf, (ULONG) len, &bw)) != NO_ERROR)
return (bw > 0) ? ((PHYSFS_sint64) bw) : -1;
return (PHYSFS_sint64) bw;
510
511
512
513
514
515
516
517
518
519
520
521
} /* __PHYSFS_platformWrite */
int __PHYSFS_platformSeek(void *opaque, PHYSFS_uint64 pos)
{
ULONG dummy;
HFILE hfile = (HFILE) opaque;
LONG dist = (LONG) pos;
/* hooray for 32-bit filesystem limits! :) */
BAIL_IF_MACRO((PHYSFS_uint64) dist != pos, ERR_SEEK_OUT_OF_RANGE, 0);
522
return (os2err(DosSetFilePtr(hfile, dist, FILE_BEGIN, &dummy)) == NO_ERROR);
523
524
525
526
527
528
529
530
531
} /* __PHYSFS_platformSeek */
PHYSFS_sint64 __PHYSFS_platformTell(void *opaque)
{
ULONG pos;
HFILE hfile = (HFILE) opaque;
APIRET rc = os2err(DosSetFilePtr(hfile, 0, FILE_CURRENT, &pos));
BAIL_IF_MACRO(rc != NO_ERROR, NULL, -1);
532
return ((PHYSFS_sint64) pos);
533
534
535
536
537
538
539
540
541
} /* __PHYSFS_platformTell */
PHYSFS_sint64 __PHYSFS_platformFileLength(void *opaque)
{
FILESTATUS3 fs;
HFILE hfile = (HFILE) opaque;
APIRET rc = DosQueryFileInfo(hfile, FIL_STANDARD, &fs, sizeof (fs));
BAIL_IF_MACRO(os2err(rc) != NO_ERROR, NULL, -1);
542
return ((PHYSFS_sint64) fs.cbFile);
543
544
545
546
547
548
549
550
551
552
553
554
} /* __PHYSFS_platformFileLength */
int __PHYSFS_platformEOF(void *opaque)
{
PHYSFS_sint64 len, pos;
len = __PHYSFS_platformFileLength(opaque);
BAIL_IF_MACRO(len == -1, NULL, 1); /* (*shrug*) */
pos = __PHYSFS_platformTell(opaque);
BAIL_IF_MACRO(pos == -1, NULL, 1); /* (*shrug*) */
555
return (pos >= len);
556
557
558
559
560
} /* __PHYSFS_platformEOF */
int __PHYSFS_platformFlush(void *opaque)
{
561
return (os2err(DosResetBuffer((HFILE) opaque)) == NO_ERROR);
562
563
564
} /* __PHYSFS_platformFlush */
565
void __PHYSFS_platformClose(void *opaque)
566
{
567
DosClose((HFILE) opaque); /* ignore errors. You should have flushed! */
568
569
570
} /* __PHYSFS_platformClose */
571
int __PHYSFS_platformDelete(const char *_path)
572
{
573
FILESTATUS3 fs;
574
const unsigned char *path = (const unsigned char *) _path;
575
576
577
578
579
APIRET rc = os2err(DosQueryPathInfo(path, FIL_STANDARD, &fs, sizeof (fs)));
BAIL_IF_MACRO(rc != NO_ERROR, NULL, 0);
if (fs.attrFile & FILE_DIRECTORY)
580
return (os2err(DosDeleteDir(path)) == NO_ERROR);
581
582
return (os2err(DosDelete(path)) == NO_ERROR);
583
584
585
} /* __PHYSFS_platformDelete */
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
/* Convert to a format PhysicsFS can grok... */
PHYSFS_sint64 os2TimeToUnixTime(const FDATE *date, const FTIME *time)
{
struct tm tm;
tm.tm_sec = ((PHYSFS_uint32) time->.twosecs) * 2;
tm.tm_min = time->minutes;
tm.tm_hour = time->hours;
tm.tm_mday = date->day;
tm.tm_mon = date->month;
tm.tm_year = ((PHYSFS_uint32) date->year) + 80;
tm.tm_wday = -1 /*st_localtz.wDayOfWeek*/;
tm.tm_yday = -1;
tm.tm_isdst = -1;
return (PHYSFS_sint64) mktime(&tm);
} /* os2TimeToUnixTime */
static int __PHYSFS_platformStat(const char *_fname, int *exists,
PHYSFS_Stat *stat)
{
struct tm tm;
FILESTATUS3 fs;
const unsigned char *fname = (const unsigned char *) _fname;
const APIRET rc = DosQueryPathInfo(fname, FIL_STANDARD, &fs, sizeof (fs));
if (rc != NO_ERROR)
{
if (rc == ERROR_PATH_NOT_FOUND)
{
*exists = 0;
return 0;
} /* if */
620
BAIL_MACRO(get_os2_error_string(rc), 0);
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
} /* if */
*exists = 1;
if (fs.attrFile & FILE_DIRECTORY)
{
stat->filetype = PHYSFS_FILETYPE_DIRECTORY;
stat->filesize = 0;
} /* if */
else
{
stat->filetype = PHYSFS_FILETYPE_REGULAR;
stat->filesize = fs.cbFile;
} /* else */
stat->modtime = os2TimeToUnixTime(&fs.fdateLastWrite, &fs.ftimeLastWrite);
if (stat->modtime < 0)
stat->modtime = 0;
stat->accesstime = os2TimeToUnixTime(&fs.fdateLastAccess, &fs.ftimeLastAccess);
if (stat->accesstime < 0)
stat->accesstime = 0;
stat->createtime = os2TimeToUnixTime(&fs.fdateCreation, &fs.ftimeCreation);
if (stat->createtime < 0)
stat->createtime = 0;
stat->readonly = ((fs.attrFile & FILE_READONLY) == FILE_READONLY);
650
return 1;
651
652
653
} /* __PHYSFS_platformStat */
654
void *__PHYSFS_platformGetThreadID(void)
655
{
656
657
PTIB ptib;
PPIB ppib;
658
659
660
661
662
/*
* Allegedly, this API never fails, but we'll punt and return a
* default value (zero might as well do) if it does.
*/
663
BAIL_IF_MACRO(os2err(DosGetInfoBlocks(&ptib, &ppib)) != NO_ERROR, 0, 0);
664
return ((void *) ptib->tib_ordinal);
665
666
667
668
669
670
671
} /* __PHYSFS_platformGetThreadID */
void *__PHYSFS_platformCreateMutex(void)
{
HMTX hmtx = NULLHANDLE;
os2err(DosCreateMutexSem(NULL, &hmtx, 0, 0));
672
return ((void *) hmtx);
673
674
675
676
677
678
679
680
681
682
683
684
} /* __PHYSFS_platformCreateMutex */
void __PHYSFS_platformDestroyMutex(void *mutex)
{
DosCloseMutexSem((HMTX) mutex);
} /* __PHYSFS_platformDestroyMutex */
int __PHYSFS_platformGrabMutex(void *mutex)
{
/* Do _NOT_ call os2err() (which sets the physfs error msg) in here! */
685
return (DosRequestMutexSem((HMTX) mutex, SEM_INDEFINITE_WAIT) == NO_ERROR);
686
687
688
689
690
691
692
693
} /* __PHYSFS_platformGrabMutex */
void __PHYSFS_platformReleaseMutex(void *mutex)
{
DosReleaseMutexSem((HMTX) mutex);
} /* __PHYSFS_platformReleaseMutex */
694
695
696
/* !!! FIXME: Don't use C runtime for allocators? */
int __PHYSFS_platformSetDefaultAllocator(PHYSFS_Allocator *a)
697
{
698
return 0; /* just use malloc() and friends. */
699
} /* __PHYSFS_platformSetDefaultAllocator */
700
701
#endif /* PHYSFS_PLATFORM_OS2 */
702
703
/* end of os2.c ... */