-
Notifications
You must be signed in to change notification settings - Fork 2.1k
/
FileUtil.cpp
1045 lines (924 loc) · 27.5 KB
/
FileUtil.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
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
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
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
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
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
620
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
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
// Copyright (C) 2003 Dolphin Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0 or later versions.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#if defined(_MSC_VER)
#pragma warning(disable:4091) // workaround bug in VS2015 headers
#ifndef UNICODE
#error Win32 build requires a unicode build
#endif
#endif
#include "ppsspp_config.h"
#include "android/jni/app-android.h"
#include "android/jni/AndroidContentURI.h"
#ifdef __MINGW32__
#include <unistd.h>
#ifndef _POSIX_THREAD_SAFE_FUNCTIONS
#define _POSIX_THREAD_SAFE_FUNCTIONS 200112L
#endif
#endif
#include <cstring>
#include <ctime>
#include <memory>
#include "Common/Log.h"
#include "Common/LogReporting.h"
#include "Common/File/FileUtil.h"
#include "Common/StringUtils.h"
#include "Common/SysError.h"
#ifdef _WIN32
#include "Common/CommonWindows.h"
#include <Windows.h>
#include <shlobj.h> // for SHGetFolderPath
#include <shellapi.h>
#include <commdlg.h> // for GetSaveFileName
#include <io.h>
#include <direct.h> // getcwd
#else
#include <sys/param.h>
#include <sys/types.h>
#include <dirent.h>
#include <errno.h>
#include <stdlib.h>
#endif
#if defined(__DragonFly__) || defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__NetBSD__)
#include <sys/sysctl.h> // KERN_PROC_PATHNAME
#endif
#if defined(__APPLE__)
#include <CoreFoundation/CFString.h>
#include <CoreFoundation/CFURL.h>
#include <CoreFoundation/CFBundle.h>
#if !PPSSPP_PLATFORM(IOS)
#include <mach-o/dyld.h>
#endif // !PPSSPP_PLATFORM(IOS)
#endif // __APPLE__
#include "Common/Data/Encoding/Utf8.h"
#include <sys/stat.h>
#ifndef S_ISDIR
#define S_ISDIR(m) (((m)&S_IFMT) == S_IFDIR)
#endif
#if !defined(__linux__) && !defined(_WIN32) && !defined(__QNX__)
#define stat64 stat
#define fstat64 fstat
#endif
#define DIR_SEP "/"
#ifdef _WIN32
#define DIR_SEP_CHRS "/\\"
#else
#define DIR_SEP_CHRS "/"
#endif
// This namespace has various generic functions related to files and paths.
// The code still needs a ton of cleanup.
// REMEMBER: strdup considered harmful!
namespace File {
FILE *OpenCFile(const Path &path, const char *mode) {
switch (path.Type()) {
case PathType::NATIVE:
break;
case PathType::CONTENT_URI:
// We're gonna need some error codes..
if (!strcmp(mode, "r") || !strcmp(mode, "rb")) {
INFO_LOG(COMMON, "Opening content file for read: '%s'", path.c_str());
// Read, let's support this - easy one.
int descriptor = Android_OpenContentUriFd(path.ToString(), Android_OpenContentUriMode::READ);
if (descriptor == -1) {
return nullptr;
}
return fdopen(descriptor, "rb");
} else if (!strcmp(mode, "w") || !strcmp(mode, "wb")) {
// Need to be able to create the file here if it doesn't exist.
// Not exactly sure which abstractions are best, let's start simple.
if (!File::Exists(path)) {
INFO_LOG(COMMON, "OpenCFile(%s): Opening content file for write. Doesn't exist, creating empty and reopening.", path.c_str());
std::string name = path.GetFilename();
if (path.CanNavigateUp()) {
Path parent = path.NavigateUp();
if (!Android_CreateFile(parent.ToString(), name)) {
WARN_LOG(COMMON, "Failed to create file '%s' in '%s'", name.c_str(), parent.c_str());
return nullptr;
}
} else {
INFO_LOG_REPORT_ONCE(openCFileFailedNavigateUp, COMMON, "Failed to navigate up to create file: %s", path.c_str());
return nullptr;
}
} else {
INFO_LOG(COMMON, "OpenCFile(%s): Opening existing content file for write (truncating). Requested mode: '%s'", path.c_str(), mode);
}
// TODO: Support append modes and stuff... For now let's go with the most common one.
int descriptor = Android_OpenContentUriFd(path.ToString(), Android_OpenContentUriMode::READ_WRITE_TRUNCATE);
if (descriptor == -1) {
INFO_LOG(COMMON, "Opening '%s' for write failed", path.ToString().c_str());
return nullptr;
}
return fdopen(descriptor, "wb");
} else {
ERROR_LOG(COMMON, "OpenCFile(%s): Mode not yet supported: %s", path.c_str(), mode);
return nullptr;
}
break;
default:
ERROR_LOG(COMMON, "OpenCFile(%s): PathType not yet supported", path.c_str());
return nullptr;
}
#if defined(_WIN32) && defined(UNICODE)
return _wfopen(path.ToWString().c_str(), ConvertUTF8ToWString(mode).c_str());
#else
return fopen(path.c_str(), mode);
#endif
}
int OpenFD(const Path &path, OpenFlag flags) {
switch (path.Type()) {
case PathType::CONTENT_URI:
break;
default:
// Not yet supported.
return -1;
}
Android_OpenContentUriMode mode;
if (flags == OPEN_READ) {
mode = Android_OpenContentUriMode::READ;
} else if (flags & OPEN_WRITE) {
if (flags & OPEN_TRUNCATE) {
mode = Android_OpenContentUriMode::READ_WRITE;
} else {
mode = Android_OpenContentUriMode::READ_WRITE_TRUNCATE;
}
// TODO: Maybe better checking of additional flags here.
} else {
// TODO: Add support for more modes if possible.
ERROR_LOG_REPORT_ONCE(openFlagNotSupported, COMMON, "OpenFlag 0x%x not yet supported", flags);
return -1;
}
int descriptor = Android_OpenContentUriFd(path.ToString(), mode);
return descriptor;
}
#ifdef _WIN32
static bool ResolvePathVista(const std::wstring &path, wchar_t *buf, DWORD bufSize) {
typedef DWORD(WINAPI *getFinalPathNameByHandleW_f)(HANDLE hFile, LPWSTR lpszFilePath, DWORD cchFilePath, DWORD dwFlags);
static getFinalPathNameByHandleW_f getFinalPathNameByHandleW = nullptr;
#if PPSSPP_PLATFORM(UWP)
getFinalPathNameByHandleW = &GetFinalPathNameByHandleW;
#else
if (!getFinalPathNameByHandleW) {
HMODULE kernel32 = GetModuleHandle(L"kernel32.dll");
getFinalPathNameByHandleW = (getFinalPathNameByHandleW_f)GetProcAddress(kernel32, "GetFinalPathNameByHandleW");
}
#endif
if (getFinalPathNameByHandleW) {
#if PPSSPP_PLATFORM(UWP)
HANDLE hFile = CreateFile2(path.c_str(), GENERIC_READ, FILE_SHARE_READ, OPEN_EXISTING, nullptr);
#else
HANDLE hFile = CreateFile(path.c_str(), GENERIC_READ, FILE_SHARE_READ, nullptr, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, nullptr);
#endif
if (hFile == INVALID_HANDLE_VALUE)
return false;
DWORD result = getFinalPathNameByHandleW(hFile, buf, bufSize - 1, FILE_NAME_NORMALIZED | VOLUME_NAME_DOS);
CloseHandle(hFile);
return result < bufSize && result != 0;
}
return false;
}
#endif
std::string ResolvePath(const std::string &path) {
if (startsWith(path, "http://") || startsWith(path, "https://")) {
return path;
}
if (Android_IsContentUri(path)) {
// Nothing to do?
return path;
}
#ifdef _WIN32
static const int BUF_SIZE = 32768;
wchar_t *buf = new wchar_t[BUF_SIZE] {};
std::wstring input = ConvertUTF8ToWString(path);
// Try to resolve symlinks (such as Documents aliases, etc.) if possible on Vista and higher.
// For some paths and remote shares, this may fail, so fall back.
if (!ResolvePathVista(input, buf, BUF_SIZE)) {
wchar_t *longBuf = new wchar_t[BUF_SIZE] {};
int result = GetLongPathNameW(input.c_str(), longBuf, BUF_SIZE - 1);
if (result >= BUF_SIZE || result == 0)
wcscpy_s(longBuf, BUF_SIZE - 1, input.c_str());
result = GetFullPathNameW(longBuf, BUF_SIZE - 1, buf, nullptr);
if (result >= BUF_SIZE || result == 0)
wcscpy_s(buf, BUF_SIZE - 1, input.c_str());
delete [] longBuf;
}
// Normalize slashes just in case.
for (int i = 0; i < BUF_SIZE; ++i) {
if (buf[i] == '\\')
buf[i] = '/';
else if (buf[i] == '\0')
break;
}
// Undo the \\?\C:\ syntax that's normally returned (after normalization of slashes.)
std::string output = ConvertWStringToUTF8(buf);
if (buf[0] == '/' && buf[1] == '/' && buf[2] == '?' && buf[3] == '/' && isalpha(buf[4]) && buf[5] == ':')
output = output.substr(4);
delete [] buf;
return output;
#else
std::unique_ptr<char[]> buf(new char[PATH_MAX + 32768]);
if (realpath(path.c_str(), buf.get()) == nullptr)
return path;
return buf.get();
#endif
}
// Returns true if file filename exists. Will return true on directories.
bool ExistsInDir(const Path &path, const std::string &filename) {
return Exists(path / filename);
}
bool Exists(const Path &path) {
if (path.Type() == PathType::CONTENT_URI) {
FileInfo info;
if (!Android_GetFileInfo(path.c_str(), &info)) {
return false;
}
return info.exists;
}
#if defined(_WIN32)
// Make sure Windows will no longer handle critical errors, which means no annoying "No disk" dialog
#if !PPSSPP_PLATFORM(UWP)
int OldMode = SetErrorMode(SEM_FAILCRITICALERRORS);
#endif
WIN32_FILE_ATTRIBUTE_DATA data{};
if (!GetFileAttributesEx(path.ToWString().c_str(), GetFileExInfoStandard, &data) || data.dwFileAttributes == INVALID_FILE_ATTRIBUTES) {
return false;
}
#if !PPSSPP_PLATFORM(UWP)
SetErrorMode(OldMode);
#endif
return true;
#else
struct stat file_info;
return stat(path.c_str(), &file_info) == 0;
#endif
}
// Returns true if filename exists and is a directory
bool IsDirectory(const Path &filename) {
switch (filename.Type()) {
case PathType::NATIVE:
break; // OK
case PathType::CONTENT_URI:
{
FileInfo info;
if (!Android_GetFileInfo(filename.ToString(), &info)) {
return false;
}
return info.exists && info.isDirectory;
}
default:
return false;
}
#if defined(_WIN32)
WIN32_FILE_ATTRIBUTE_DATA data{};
if (!GetFileAttributesEx(filename.ToWString().c_str(), GetFileExInfoStandard, &data) || data.dwFileAttributes == INVALID_FILE_ATTRIBUTES) {
auto err = GetLastError();
if (err != ERROR_FILE_NOT_FOUND) {
WARN_LOG(COMMON, "GetFileAttributes failed on %s: %08x %s", filename.ToVisualString().c_str(), (uint32_t)err, GetStringErrorMsg(err).c_str());
}
return false;
}
DWORD result = data.dwFileAttributes;
return (result & FILE_ATTRIBUTE_DIRECTORY) == FILE_ATTRIBUTE_DIRECTORY;
#else
std::string copy = filename.ToString();
struct stat file_info;
int result = stat(copy.c_str(), &file_info);
if (result < 0) {
WARN_LOG(COMMON, "IsDirectory: stat failed on %s: %s", copy.c_str(), GetLastErrorMsg().c_str());
return false;
}
return S_ISDIR(file_info.st_mode);
#endif
}
// Deletes a given filename, return true on success
// Doesn't supports deleting a directory
bool Delete(const Path &filename) {
switch (filename.Type()) {
case PathType::NATIVE:
break; // OK
case PathType::CONTENT_URI:
return Android_RemoveFile(filename.ToString());
default:
return false;
}
INFO_LOG(COMMON, "Delete: file %s", filename.c_str());
// Return true because we care about the file no
// being there, not the actual delete.
if (!Exists(filename)) {
WARN_LOG(COMMON, "Delete: '%s' already does not exist", filename.c_str());
return true;
}
// We can't delete a directory
if (IsDirectory(filename)) {
WARN_LOG(COMMON, "Delete failed: '%s' is a directory", filename.c_str());
return false;
}
#ifdef _WIN32
if (!DeleteFile(filename.ToWString().c_str())) {
WARN_LOG(COMMON, "Delete: DeleteFile failed on %s: %s", filename.c_str(), GetLastErrorMsg().c_str());
return false;
}
#else
if (unlink(filename.c_str()) == -1) {
WARN_LOG(COMMON, "Delete: unlink failed on %s: %s",
filename.c_str(), GetLastErrorMsg().c_str());
return false;
}
#endif
return true;
}
// Returns true if successful, or path already exists.
bool CreateDir(const Path &path) {
switch (path.Type()) {
case PathType::NATIVE:
break; // OK
case PathType::CONTENT_URI:
{
// Convert it to a "CreateDirIn" call, if possible, since that's
// what we can do with the storage API.
AndroidContentURI uri(path.ToString());
std::string newDirName = uri.GetLastPart();
if (uri.NavigateUp()) {
INFO_LOG(COMMON, "Calling Android_CreateDirectory(%s, %s)", uri.ToString().c_str(), newDirName.c_str());
return Android_CreateDirectory(uri.ToString(), newDirName);
} else {
// Bad path - can't create this directory.
WARN_LOG(COMMON, "CreateDir failed: '%s'", path.c_str());
return false;
}
break;
}
default:
return false;
}
DEBUG_LOG(COMMON, "CreateDir('%s')", path.c_str());
#ifdef _WIN32
if (::CreateDirectory(path.ToWString().c_str(), NULL))
return true;
DWORD error = GetLastError();
if (error == ERROR_ALREADY_EXISTS) {
WARN_LOG(COMMON, "CreateDir: CreateDirectory failed on %s: already exists", path.c_str());
return true;
}
ERROR_LOG(COMMON, "CreateDir: CreateDirectory failed on %s: %08x %s", path.c_str(), (uint32_t)error, GetStringErrorMsg(error).c_str());
return false;
#else
if (mkdir(path.ToString().c_str(), 0755) == 0) {
return true;
}
int err = errno;
if (err == EEXIST) {
WARN_LOG(COMMON, "CreateDir: mkdir failed on %s: already exists", path.c_str());
return true;
}
ERROR_LOG(COMMON, "CreateDir: mkdir failed on %s: %s", path.c_str(), strerror(err));
return false;
#endif
}
// Creates the full path of fullPath returns true on success
bool CreateFullPath(const Path &path) {
if (File::Exists(path)) {
DEBUG_LOG(COMMON, "CreateFullPath: path exists %s", path.c_str());
return true;
}
switch (path.Type()) {
case PathType::NATIVE:
case PathType::CONTENT_URI:
break; // OK
default:
ERROR_LOG(COMMON, "CreateFullPath(%s): Not yet supported", path.c_str());
return false;
}
// The below code is entirely agnostic of path format.
Path root = path.GetRootVolume();
std::string diff = root.PathTo(path); // always with forward slashes
std::vector<std::string> parts;
SplitString(diff, '/', parts);
// Probably not necessary sanity check, ported from the old code.
if (parts.size() > 100) {
ERROR_LOG(COMMON, "CreateFullPath: directory structure too deep");
return false;
}
Path curPath = root;
for (auto &part : parts) {
curPath /= part;
if (!File::Exists(curPath)) {
File::CreateDir(curPath);
}
}
return true;
}
// Deletes an empty directory, returns true on success
bool DeleteDir(const Path &path) {
switch (path.Type()) {
case PathType::NATIVE:
break; // OK
case PathType::CONTENT_URI:
return Android_RemoveFile(path.ToString());
default:
return false;
}
INFO_LOG(COMMON, "DeleteDir: directory %s", path.c_str());
// check if a directory
if (!File::IsDirectory(path)) {
ERROR_LOG(COMMON, "DeleteDir: Not a directory %s", path.c_str());
return false;
}
#ifdef _WIN32
if (::RemoveDirectory(path.ToWString().c_str()))
return true;
#else
if (rmdir(path.c_str()) == 0)
return true;
#endif
ERROR_LOG(COMMON, "DeleteDir: %s: %s", path.c_str(), GetLastErrorMsg().c_str());
return false;
}
// renames file srcFilename to destFilename, returns true on success
bool Rename(const Path &srcFilename, const Path &destFilename) {
if (srcFilename.Type() != destFilename.Type()) {
// Impossible. You're gonna need to make a copy, and delete the original. Not the responsibility
// of Rename.
return false;
}
// We've already asserted that they're the same Type, so only need to check either src or dest.
switch (srcFilename.Type()) {
case PathType::NATIVE:
// OK, proceed with the regular code.
break;
case PathType::CONTENT_URI:
// Content URI: Can only rename if in the same folder.
if (srcFilename.GetDirectory() != destFilename.GetDirectory()) {
INFO_LOG(COMMON, "Content URI rename: Directories not matching, failing. %s --> %s", srcFilename.c_str(), destFilename.c_str());
return false;
}
INFO_LOG(COMMON, "Content URI rename: %s --> %s", srcFilename.c_str(), destFilename.c_str());
return Android_RenameFileTo(srcFilename.ToString(), destFilename.GetFilename());
default:
return false;
}
INFO_LOG(COMMON, "Rename: %s --> %s", srcFilename.c_str(), destFilename.c_str());
#if defined(_WIN32) && defined(UNICODE)
std::wstring srcw = srcFilename.ToWString();
std::wstring destw = destFilename.ToWString();
if (_wrename(srcw.c_str(), destw.c_str()) == 0)
return true;
#else
if (rename(srcFilename.c_str(), destFilename.c_str()) == 0)
return true;
#endif
ERROR_LOG(COMMON, "Rename: failed %s --> %s: %s",
srcFilename.c_str(), destFilename.c_str(), GetLastErrorMsg().c_str());
return false;
}
// copies file srcFilename to destFilename, returns true on success
bool Copy(const Path &srcFilename, const Path &destFilename)
{
switch (srcFilename.Type()) {
case PathType::NATIVE:
break; // OK
case PathType::CONTENT_URI:
ERROR_LOG_REPORT_ONCE(copyUriNotSupported, COMMON, "Copying files by Android URI is not yet supported");
break;
default:
return false;
}
switch (destFilename.Type()) {
case PathType::NATIVE:
break; // OK
case PathType::CONTENT_URI:
ERROR_LOG_REPORT_ONCE(copyUriNotSupported, COMMON, "Copying files by Android URI is not yet supported");
return false;
default:
return false;
}
INFO_LOG(COMMON, "Copy: %s --> %s", srcFilename.c_str(), destFilename.c_str());
#ifdef _WIN32
#if PPSSPP_PLATFORM(UWP)
if (CopyFile2(srcFilename.ToWString().c_str(), destFilename.ToWString().c_str(), nullptr))
return true;
return false;
#else
if (CopyFile(srcFilename.ToWString().c_str(), destFilename.ToWString().c_str(), FALSE))
return true;
#endif
ERROR_LOG(COMMON, "Copy: failed %s --> %s: %s",
srcFilename.c_str(), destFilename.c_str(), GetLastErrorMsg().c_str());
return false;
#else
// buffer size
#define BSIZE 4096
char buffer[BSIZE];
// Open input file
FILE *input = OpenCFile(srcFilename, "rb");
if (!input) {
ERROR_LOG(COMMON, "Copy: input failed %s --> %s: %s",
srcFilename.c_str(), destFilename.c_str(), GetLastErrorMsg().c_str());
return false;
}
// open output file
FILE *output = OpenCFile(destFilename, "wb");
if (!output) {
fclose(input);
ERROR_LOG(COMMON, "Copy: output failed %s --> %s: %s",
srcFilename.c_str(), destFilename.c_str(), GetLastErrorMsg().c_str());
return false;
}
// copy loop
while (!feof(input)) {
// read input
int rnum = fread(buffer, sizeof(char), BSIZE, input);
if (rnum != BSIZE) {
if (ferror(input) != 0) {
ERROR_LOG(COMMON,
"Copy: failed reading from source, %s --> %s: %s",
srcFilename.c_str(), destFilename.c_str(), GetLastErrorMsg().c_str());
fclose(input);
fclose(output);
return false;
}
}
// write output
int wnum = fwrite(buffer, sizeof(char), rnum, output);
if (wnum != rnum) {
ERROR_LOG(COMMON,
"Copy: failed writing to output, %s --> %s: %s",
srcFilename.c_str(), destFilename.c_str(), GetLastErrorMsg().c_str());
fclose(input);
fclose(output);
return false;
}
}
// close flushes
fclose(input);
fclose(output);
return true;
#endif
}
bool Move(const Path &srcFilename, const Path &destFilename) {
if (Rename(srcFilename, destFilename)) {
return true;
} else if (Copy(srcFilename, destFilename)) {
return Delete(srcFilename);
} else {
return false;
}
}
// Returns the size of file (64bit)
// TODO: Add a way to return an error.
uint64_t GetFileSize(const Path &filename) {
switch (filename.Type()) {
case PathType::NATIVE:
break; // OK
case PathType::CONTENT_URI:
{
FileInfo info;
if (Android_GetFileInfo(filename.ToString(), &info)) {
return info.size;
} else {
return 0;
}
}
break;
default:
return false;
}
#if defined(_WIN32) && defined(UNICODE)
WIN32_FILE_ATTRIBUTE_DATA attr;
if (!GetFileAttributesEx(filename.ToWString().c_str(), GetFileExInfoStandard, &attr))
return 0;
if (attr.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
return 0;
return ((uint64_t)attr.nFileSizeHigh << 32) | (uint64_t)attr.nFileSizeLow;
#else
#if __ANDROID__ && __ANDROID_API__ < 21
struct stat file_info;
int result = stat(filename.c_str(), &file_info);
#else
struct stat64 file_info;
int result = stat64(filename.c_str(), &file_info);
#endif
if (result != 0) {
WARN_LOG(COMMON, "GetSize: failed %s: No such file", filename.ToVisualString().c_str());
return 0;
}
if (S_ISDIR(file_info.st_mode)) {
WARN_LOG(COMMON, "GetSize: failed %s: is a directory", filename.ToVisualString().c_str());
return 0;
}
DEBUG_LOG(COMMON, "GetSize: %s: %lld", filename.ToVisualString().c_str(), (long long)file_info.st_size);
return file_info.st_size;
#endif
}
uint64_t GetFileSize(FILE *f) {
// This will only support 64-bit when large file support is available.
// That won't be the case on some versions of Android, at least.
#if defined(__ANDROID__) || (defined(_FILE_OFFSET_BITS) && _FILE_OFFSET_BITS < 64)
int fd = fileno(f);
off64_t pos = lseek64(fd, 0, SEEK_CUR);
off64_t size = lseek64(fd, 0, SEEK_END);
if (size != pos && lseek64(fd, pos, SEEK_SET) != pos) {
// Should error here.
return 0;
}
return size;
#else
#ifdef _WIN32
uint64_t pos = _ftelli64(f);
#else
uint64_t pos = ftello(f);
#endif
if (fseek(f, 0, SEEK_END) != 0) {
return 0;
}
#ifdef _WIN32
uint64_t size = _ftelli64(f);
// Reset the seek position to where it was when we started.
if (size != pos && _fseeki64(f, pos, SEEK_SET) != 0) {
#else
uint64_t size = ftello(f);
// Reset the seek position to where it was when we started.
if (size != pos && fseeko(f, pos, SEEK_SET) != 0) {
#endif
// Should error here.
return 0;
}
return size;
#endif
}
// creates an empty file filename, returns true on success
bool CreateEmptyFile(const Path &filename) {
INFO_LOG(COMMON, "CreateEmptyFile: %s", filename.c_str());
FILE *pFile = OpenCFile(filename, "wb");
if (!pFile) {
ERROR_LOG(COMMON, "CreateEmptyFile: failed to create '%s': %s", filename.c_str(), GetLastErrorMsg().c_str());
return false;
}
fclose(pFile);
return true;
}
// Deletes the given directory and anything under it. Returns true on success.
bool DeleteDirRecursively(const Path &directory) {
switch (directory.Type()) {
case PathType::CONTENT_URI:
case PathType::NATIVE:
break; // OK
default:
ERROR_LOG(COMMON, "DeleteDirRecursively: Path type not supported");
return false;
}
std::vector<FileInfo> files;
GetFilesInDir(directory, &files, nullptr, GETFILES_GETHIDDEN);
for (const auto &file : files) {
if (file.isDirectory) {
DeleteDirRecursively(file.fullName);
} else {
Delete(file.fullName);
}
}
return DeleteDir(directory);
}
bool OpenFileInEditor(const Path &fileName) {
switch (fileName.Type()) {
case PathType::NATIVE:
break; // OK
default:
ERROR_LOG(COMMON, "OpenFileInEditor(%s): Path type not supported", fileName.c_str());
return false;
}
#if PPSSPP_PLATFORM(WINDOWS)
#if PPSSPP_PLATFORM(UWP)
// Do nothing.
#else
ShellExecuteW(nullptr, L"open", fileName.ToWString().c_str(), nullptr, nullptr, SW_SHOW);
#endif
#elif !defined(MOBILE_DEVICE)
std::string iniFile;
#if defined(__APPLE__)
iniFile = "open ";
#else
iniFile = "xdg-open ";
#endif
iniFile.append(fileName.ToString());
NOTICE_LOG(BOOT, "Launching %s", iniFile.c_str());
int retval = system(iniFile.c_str());
if (retval != 0) {
ERROR_LOG(COMMON, "Failed to launch ini file");
}
#endif
return true;
}
const Path &GetExeDirectory() {
static Path ExePath;
if (ExePath.empty()) {
#ifdef _WIN32
std::wstring program_path;
size_t sz;
do {
program_path.resize(program_path.size() + MAX_PATH);
// On failure, this will return the same value as passed in, but success will always be one lower.
sz = GetModuleFileNameW(nullptr, &program_path[0], (DWORD)program_path.size());
} while (sz >= program_path.size());
const wchar_t *last_slash = wcsrchr(&program_path[0], '\\');
if (last_slash != nullptr)
program_path.resize(last_slash - &program_path[0] + 1);
else
program_path.resize(sz);
ExePath = Path(program_path);
#elif (defined(__APPLE__) && !PPSSPP_PLATFORM(IOS)) || defined(__linux__) || defined(KERN_PROC_PATHNAME)
char program_path[4096]{};
uint32_t program_path_size = sizeof(program_path) - 1;
#if defined(__linux__)
if (readlink("/proc/self/exe", program_path, program_path_size) > 0)
#elif defined(__APPLE__) && !PPSSPP_PLATFORM(IOS)
if (_NSGetExecutablePath(program_path, &program_path_size) == 0)
#elif defined(KERN_PROC_PATHNAME)
int mib[4] = {
CTL_KERN,
#if defined(__NetBSD__)
KERN_PROC_ARGS,
-1,
KERN_PROC_PATHNAME,
#else
KERN_PROC,
KERN_PROC_PATHNAME,
-1,
#endif
};
size_t sz = program_path_size;
if (sysctl(mib, 4, program_path, &sz, NULL, 0) == 0)
#else
#error Unmatched ifdef.
#endif
{
program_path[sizeof(program_path) - 1] = '\0';
char *last_slash = strrchr(program_path, '/');
if (last_slash != nullptr)
*last_slash = '\0';
ExePath = Path(program_path);
}
#endif
}
return ExePath;
}
IOFile::IOFile(const Path &filename, const char openmode[]) {
Open(filename, openmode);
}
IOFile::~IOFile() {
Close();
}
bool IOFile::Open(const Path& filename, const char openmode[])
{
Close();
m_file = File::OpenCFile(filename, openmode);
m_good = IsOpen();
return m_good;
}
bool IOFile::Close()
{
if (!IsOpen() || 0 != std::fclose(m_file))
m_good = false;
m_file = NULL;
return m_good;
}
std::FILE* IOFile::ReleaseHandle()
{
std::FILE* const ret = m_file;
m_file = NULL;
return ret;
}
void IOFile::SetHandle(std::FILE* file)
{
Close();
Clear();
m_file = file;
}
uint64_t IOFile::GetSize()
{
if (IsOpen())
return File::GetFileSize(m_file);
else
return 0;
}
bool IOFile::Seek(int64_t off, int origin)
{
if (!IsOpen() || 0 != fseeko(m_file, off, origin))
m_good = false;
return m_good;
}
uint64_t IOFile::Tell()
{
if (IsOpen())
return ftello(m_file);
else
return -1;
}
bool IOFile::Flush()
{
if (!IsOpen() || 0 != std::fflush(m_file))
m_good = false;
return m_good;
}
bool IOFile::Resize(uint64_t size)
{
if (!IsOpen() || 0 !=
#ifdef _WIN32
// ector: _chsize sucks, not 64-bit safe
// F|RES: changed to _chsize_s. i think it is 64-bit safe
_chsize_s(_fileno(m_file), size)
#else
// TODO: handle 64bit and growing
ftruncate(fileno(m_file), size)
#endif
)
m_good = false;
return m_good;
}
bool ReadFileToString(bool text_file, const Path &filename, std::string &str) {
FILE *f = File::OpenCFile(filename, text_file ? "r" : "rb");
if (!f)
return false;
// Warning: some files, like in /sys/, may return a fixed size like 4096.
size_t len = (size_t)File::GetFileSize(f);
bool success;
if (len == -1) {
size_t totalSize = 1024;
size_t totalRead = 0;
do {
totalSize *= 2;
str.resize(totalSize);
totalRead += fread(&str[totalRead], 1, totalSize - totalRead, f);
} while (totalRead == totalSize);
str.resize(totalRead);
success = true;
} else {
str.resize(len);
size_t totalRead = fread(&str[0], 1, len, f);
str.resize(totalRead);
// Allow less, because some system files will report incorrect lengths.
success = totalRead <= len;
}
fclose(f);
return success;
}
uint8_t *ReadLocalFile(const Path &filename, size_t *size) {
FILE *file = File::OpenCFile(filename, "rb");
if (!file) {
*size = 0;
return nullptr;
}
fseek(file, 0, SEEK_END);
size_t f_size = ftell(file);
if ((long)f_size < 0) {
*size = 0;
fclose(file);