summaryrefslogtreecommitdiff
path: root/src/common/sysinfo.c
blob: 60525610016de5c305667fe3b03bff4129ac60ea (plain) (blame)
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
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
// Copyright (c) Hercules Dev Team, licensed under GNU GPL.
// See the LICENSE file
// Base Author: Haru @ http://hercules.ws

/// See sysinfo.h for a description of this file

#define HERCULES_CORE

#include "sysinfo.h"

#include <stdio.h> // fopen
#include <stdlib.h> // atoi

#include "../common/cbasetypes.h"
#include "../common/core.h"
#include "../common/malloc.h"
#include "../common/strlib.h"

#ifdef WIN32
#	include <string.h> // strlen
#	include <windows.h>
#else
#	include <unistd.h>
#endif

/// Private interface fields
struct sysinfo_private {
	char *platform;
	char *osversion;
	char *cpu;
	int cpucores;
	char *arch;
	char *compiler;
	char *cflags;
	char *vcstype_name;
	int vcstype;
	char *vcsrevision_src;
	char *vcsrevision_scripts;
};

/// sysinfo.c interface source
struct sysinfo_interface sysinfo_s;
struct sysinfo_private sysinfo_p;

#define VCSTYPE_UNKNOWN 0
#define VCSTYPE_GIT 1
#define VCSTYPE_SVN 2
#define VCSTYPE_NONE -1

#ifdef WIN32
/**
 * Values to be used with GetProductInfo.
 *
 * These aren't defined in MSVC2008/WindowsXP, so we gotta define them here.
 * Values from: http://msdn.microsoft.com/en-us/library/windows/desktop/ms724358%28v=vs.85%29.aspx
 */
enum windows_product_type {
	msPRODUCT_UNDEFINED                           = 0x00000000, ///< An unknown product
	msPRODUCT_ULTIMATE                            = 0x00000001, ///< Ultimate
	msPRODUCT_HOME_BASIC                          = 0x00000002, ///< Home Basic
	msPRODUCT_HOME_PREMIUM                        = 0x00000003, ///< Home Premium
	msPRODUCT_ENTERPRISE                          = 0x00000004, ///< Enterprise
	msPRODUCT_HOME_BASIC_N                        = 0x00000005, ///< Home Basic N
	msPRODUCT_BUSINESS                            = 0x00000006, ///< Business
	msPRODUCT_STANDARD_SERVER                     = 0x00000007, ///< Server Standard
	msPRODUCT_DATACENTER_SERVER                   = 0x00000008, ///< Server Datacenter (full installation)
	msPRODUCT_SMALLBUSINESS_SERVER                = 0x00000009, ///< Windows Small Business Server
	msPRODUCT_ENTERPRISE_SERVER                   = 0x0000000A, ///< Server Enterprise (full installation)
	msPRODUCT_STARTER                             = 0x0000000B, ///< Starter
	msPRODUCT_DATACENTER_SERVER_CORE              = 0x0000000C, ///< Server Datacenter (core installation)
	msPRODUCT_ENTERPRISE_SERVER_CORE              = 0x0000000E, ///< Server Enterprise (core installation)
	msPRODUCT_STANDARD_SERVER_CORE                = 0x0000000D, ///< Server Standard (core installation)
	msPRODUCT_ENTERPRISE_SERVER_IA64              = 0x0000000F, ///< Server Enterprise for Itanium-based Systems
	msPRODUCT_BUSINESS_N                          = 0x00000010, ///< Business N
	msPRODUCT_WEB_SERVER                          = 0x00000011, ///< Web Server (full installation)
	msPRODUCT_CLUSTER_SERVER                      = 0x00000012, ///< HPC Edition
	msPRODUCT_HOME_SERVER                         = 0x00000013, ///< Windows Storage Server 2008 R2 Essentials
	msPRODUCT_STORAGE_EXPRESS_SERVER              = 0x00000014, ///< Storage Server Express
	msPRODUCT_STORAGE_STANDARD_SERVER             = 0x00000015, ///< Storage Server Standard
	msPRODUCT_STORAGE_WORKGROUP_SERVER            = 0x00000016, ///< Storage Server Workgroup
	msPRODUCT_STORAGE_ENTERPRISE_SERVER           = 0x00000017, ///< Storage Server Enterprise
	msPRODUCT_SERVER_FOR_SMALLBUSINESS            = 0x00000018, ///< Windows Server 2008 for Windows Essential Server Solutions
	msPRODUCT_SMALLBUSINESS_SERVER_PREMIUM        = 0x00000019, ///< Small Business Server Premium
	msPRODUCT_HOME_PREMIUM_N                      = 0x0000001A, ///< Home Premium N
	msPRODUCT_ENTERPRISE_N                        = 0x0000001B, ///< Enterprise N
	msPRODUCT_ULTIMATE_N                          = 0x0000001C, ///< Ultimate N
	msPRODUCT_WEB_SERVER_CORE                     = 0x0000001D, ///< Web Server (core installation)
	msPRODUCT_MEDIUMBUSINESS_SERVER_MANAGEMENT    = 0x0000001E, ///< Windows Essential Business Server Management Server
	msPRODUCT_MEDIUMBUSINESS_SERVER_SECURITY      = 0x0000001F, ///< Windows Essential Business Server Security Server
	msPRODUCT_MEDIUMBUSINESS_SERVER_MESSAGING     = 0x00000020, ///< Windows Essential Business Server Messaging Server
	msPRODUCT_SERVER_FOUNDATION                   = 0x00000021, ///< Server Foundation
	msPRODUCT_HOME_PREMIUM_SERVER                 = 0x00000022, ///< Windows Home Server 2011
	msPRODUCT_SERVER_FOR_SMALLBUSINESS_V          = 0x00000023, ///< Windows Server 2008 without Hyper-V for Windows Essential Server Solutions
	msPRODUCT_STANDARD_SERVER_V                   = 0x00000024, ///< Server Standard without Hyper-V
	msPRODUCT_DATACENTER_SERVER_V                 = 0x00000025, ///< Server Datacenter without Hyper-V (full installation)
	msPRODUCT_ENTERPRISE_SERVER_V                 = 0x00000026, ///< Server Enterprise without Hyper-V (full installation)
	msPRODUCT_DATACENTER_SERVER_CORE_V            = 0x00000027, ///< Server Datacenter without Hyper-V (core installation)
	msPRODUCT_STANDARD_SERVER_CORE_V              = 0x00000028, ///< Server Standard without Hyper-V (core installation)
	msPRODUCT_ENTERPRISE_SERVER_CORE_V            = 0x00000029, ///< Server Enterprise without Hyper-V (core installation)
	msPRODUCT_HYPERV                              = 0x0000002A, ///< Microsoft Hyper-V Server
	msPRODUCT_STORAGE_EXPRESS_SERVER_CORE         = 0x0000002B, ///< Storage Server Express (core installation)
	msPRODUCT_STORAGE_STANDARD_SERVER_CORE        = 0x0000002C, ///< Storage Server Standard (core installation)
	msPRODUCT_STORAGE_WORKGROUP_SERVER_CORE       = 0x0000002D, ///< Storage Server Workgroup (core installation)
	msPRODUCT_STORAGE_ENTERPRISE_SERVER_CORE      = 0x0000002E, ///< Storage Server Enterprise (core installation)
	msPRODUCT_STARTER_N                           = 0x0000002F, ///< Starter N
	msPRODUCT_PROFESSIONAL                        = 0x00000030, ///< Professional
	msPRODUCT_PROFESSIONAL_N                      = 0x00000031, ///< Professional N
	msPRODUCT_SB_SOLUTION_SERVER                  = 0x00000032, ///< Windows Small Business Server 2011 Essentials
	msPRODUCT_SERVER_FOR_SB_SOLUTIONS             = 0x00000033, ///< Server For SB Solutions
	msPRODUCT_STANDARD_SERVER_SOLUTIONS           = 0x00000034, ///< Server Solutions Premium
	msPRODUCT_STANDARD_SERVER_SOLUTIONS_CORE      = 0x00000035, ///< Server Solutions Premium (core installation)
	msPRODUCT_SB_SOLUTION_SERVER_EM               = 0x00000036, ///< Server For SB Solutions EM
	msPRODUCT_SERVER_FOR_SB_SOLUTIONS_EM          = 0x00000037, ///< Server For SB Solutions EM
	msPRODUCT_SOLUTION_EMBEDDEDSERVER             = 0x00000038, ///< Windows MultiPoint Server
	msPRODUCT_ESSENTIALBUSINESS_SERVER_MGMT       = 0x0000003B, ///< Windows Essential Server Solution Management
	msPRODUCT_ESSENTIALBUSINESS_SERVER_ADDL       = 0x0000003C, ///< Windows Essential Server Solution Additional
	msPRODUCT_ESSENTIALBUSINESS_SERVER_MGMTSVC    = 0x0000003D, ///< Windows Essential Server Solution Management SVC
	msPRODUCT_ESSENTIALBUSINESS_SERVER_ADDLSVC    = 0x0000003E, ///< Windows Essential Server Solution Additional SVC
	msPRODUCT_SMALLBUSINESS_SERVER_PREMIUM_CORE   = 0x0000003F, ///< Small Business Server Premium (core installation)
	msPRODUCT_CLUSTER_SERVER_V                    = 0x00000040, ///< Server Hyper Core V
	msPRODUCT_STARTER_E                           = 0x00000042, ///< Not supported
	msPRODUCT_HOME_BASIC_E                        = 0x00000043, ///< Not supported
	msPRODUCT_HOME_PREMIUM_E                      = 0x00000044, ///< Not supported
	msPRODUCT_PROFESSIONAL_E                      = 0x00000045, ///< Not supported
	msPRODUCT_ENTERPRISE_E                        = 0x00000046, ///< Not supported
	msPRODUCT_ULTIMATE_E                          = 0x00000047, ///< Not supported
	msPRODUCT_ENTERPRISE_EVALUATION               = 0x00000048, ///< Server Enterprise (evaluation installation)
	msPRODUCT_MULTIPOINT_STANDARD_SERVER          = 0x0000004C, ///< Windows MultiPoint Server Standard (full installation)
	msPRODUCT_MULTIPOINT_PREMIUM_SERVER           = 0x0000004D, ///< Windows MultiPoint Server Premium (full installation)
	msPRODUCT_STANDARD_EVALUATION_SERVER          = 0x0000004F, ///< Server Standard (evaluation installation)
	msPRODUCT_DATACENTER_EVALUATION_SERVER        = 0x00000050, ///< Server Datacenter (evaluation installation)
	msPRODUCT_ENTERPRISE_N_EVALUATION             = 0x00000054, ///< Enterprise N (evaluation installation)
	msPRODUCT_STORAGE_WORKGROUP_EVALUATION_SERVER = 0x0000005F, ///< Storage Server Workgroup (evaluation installation)
	msPRODUCT_STORAGE_STANDARD_EVALUATION_SERVER  = 0x00000060, ///< Storage Server Standard (evaluation installation)
	msPRODUCT_CORE_N                              = 0x00000062, ///< Windows 8 N
	msPRODUCT_CORE_COUNTRYSPECIFIC                = 0x00000063, ///< Windows 8 China
	msPRODUCT_CORE_SINGLELANGUAGE                 = 0x00000064, ///< Windows 8 Single Language
	msPRODUCT_CORE                                = 0x00000065, ///< Windows 8
	msPRODUCT_PROFESSIONAL_WMC                    = 0x00000067, ///< Professional with Media Center
};

/**
 * Values to be used with GetSystemMetrics.
 *
 * Values from http://msdn.microsoft.com/en-us/library/windows/desktop/ms724385%28v=vs.85%29.aspx
 */
enum windows_metrics {
	msSM_SERVERR2 = 89, ///< Obtains the build number if the system is Windows Server 2003 R2; otherwise, 0.
};

/**
 * Values to be used with OSVERSIONINFOEX.wSuiteMask.
 *
 * Values from http://msdn.microsoft.com/en-us/library/windows/desktop/ms724833%28v=vs.85%29.aspx
 */
enum windows_ver_suite {
	msVER_SUITE_BLADE          = 0x00000400, ///< Windows Server 2003, Web Edition is installed.
	msVER_SUITE_STORAGE_SERVER = 0x00002000, ///< Windows Storage Server 2003 R2 or Windows Storage Server 2003 is installed.
	msVER_SUITE_COMPUTE_SERVER = 0x00004000, ///< Windows Server 2003, Compute Cluster Edition is installed.
	msVER_SUITE_WH_SERVER      = 0x00008000, ///< Windows Home Server is installed.
};

#else // not WIN32
// UNIX. Use build-time cached values
#include "sysinfo.inc"
#endif // WIN32

// Compiler detection <http://sourceforge.net/p/predef/wiki/Compilers/>
#if defined(__BORLANDC__)
#define SYSINFO_COMPILER "Borland C++"
#elif defined(__clang__)
#define SYSINFO_COMPILER "Clang v" EXPAND_AND_QUOTE(__clang_major__) "." EXPAND_AND_QUOTE(__clang_minor__) "." EXPAND_AND_QUOTE(__clang_patchlevel__)
#elif defined(__INTEL_COMPILER)
#define SYSINFO_COMPILER "Intel CC v" EXPAND_AND_QUOTE(__INTEL_COMPILER)
#elif defined(__MINGW32__)
#if defined(__MINGW64__)
#define SYSINFO_COMPILER "MinGW-w64 64 Bit v" EXPAND_AND_QUOTE(__MINGW64_VERSION_MAJOR) "." EXPAND_AND_QUOTE(__MINGW64_VERSION_MINOR) \
	" (MinGW " EXPAND_AND_QUOTE(__MINGW32_MAJOR_VERSION) "." EXPAND_AND_QUOTE(__MINGW32_MINOR_VERSION) ")"
#elif defined(__MINGW64_VERSION_MAJOR)
#define SYSINFO_COMPILER "MinGW-w64 32 Bit v" EXPAND_AND_QUOTE(__MINGW64_VERSION_MAJOR) "." EXPAND_AND_QUOTE(__MINGW64_VERSION_MINOR) \
	" (MinGW " EXPAND_AND_QUOTE(__MINGW32_MAJOR_VERSION) "." EXPAND_AND_QUOTE(__MINGW32_MINOR_VERSION) ")"
#else
#define SYSINFO_COMPILER "MinGW32 v" EXPAND_AND_QUOTE(__MINGW32_MAJOR_VERSION) "." EXPAND_AND_QUOTE(__MINGW32_MINOR_VERSION)
#endif
#elif defined(__GNUC__)
#define SYSINFO_COMPILER "GCC v" EXPAND_AND_QUOTE(__GNUC__) "." EXPAND_AND_QUOTE(__GNUC_MINOR__) "." EXPAND_AND_QUOTE(__GNUC_PATCHLEVEL__)
#elif defined(_MSC_VER)
#if _MSC_VER >= 1300 && _MSC_VER < 1310
#define SYSINFO_COMPILER "Microsoft Visual C++ 7.0 (v" EXPAND_AND_QUOTE(_MSC_VER) ")"
#elif _MSC_VER >= 1310 && _MSC_VER < 1400
#define SYSINFO_COMPILER "Microsoft Visual C++ 2003 (v" EXPAND_AND_QUOTE(_MSC_VER) ")"
#elif _MSC_VER >= 1400 && _MSC_VER < 1500
#define SYSINFO_COMPILER "Microsoft Visual C++ 2005 (v" EXPAND_AND_QUOTE(_MSC_VER) ")"
#elif _MSC_VER >= 1500 && _MSC_VER < 1600
#define SYSINFO_COMPILER "Microsoft Visual C++ 2008 (v" EXPAND_AND_QUOTE(_MSC_VER) ")"
#elif _MSC_VER >= 1600 && _MSC_VER < 1700
#define SYSINFO_COMPILER "Microsoft Visual C++ 2010 (v" EXPAND_AND_QUOTE(_MSC_VER) ")"
#elif _MSC_VER >= 1700 && _MSC_VER < 1800
#define SYSINFO_COMPILER "Microsoft Visual C++ 2012 (v" EXPAND_AND_QUOTE(_MSC_VER) ")"
#elif _MSC_VER >= 1800 && _MSC_VER < 1900
#define SYSINFO_COMPILER "Microsoft Visual C++ 2013 (v" EXPAND_AND_QUOTE(_MSC_VER) ")"
#else // < 1300 || >= 1900
#define SYSINFO_COMPILER "Microsoft Visual C++ v" EXPAND_AND_QUOTE(_MSC_VER)
#endif
#else
#define SYSINFO_COMPILER "Unknown"
#endif
// end compiler detection

/**
 * Retrieves the current SVN revision.
 *
 * @param out[out] a string pointer to return the value (to be aFree()'d.)
 * @retval true  if a revision was correctly detected.
 * @retval false if no revision was detected. out is set to NULL in this case.
 */
bool sysinfo_svn_get_revision(char **out) {
	// Only include SVN support if detected it, or we're on MSVC
#if !defined(SYSINFO_VCSTYPE) || SYSINFO_VCSTYPE == VCSTYPE_SVN || SYSINFO_VCSTYPE == VCSTYPE_UNKNOWN
	FILE *fp;

	// subversion 1.7 uses a sqlite3 database
	// FIXME this is hackish at best...
	// - ignores database file structure
	// - assumes the data in NODES.dav_cache column ends with "!svn/ver/<revision>/<path>)"
	// - since it's a cache column, the data might not even exist
	if ((fp = fopen(".svn"PATHSEP_STR"wc.db", "rb")) != NULL || (fp = fopen(".."PATHSEP_STR".svn"PATHSEP_STR"wc.db", "rb")) != NULL) {

#ifndef SVNNODEPATH //not sure how to handle branches, so I'll leave this overridable define until a better solution comes up
#define SVNNODEPATH trunk
#endif // SVNNODEPATH

		const char* prefix = "!svn/ver/";
		const char* postfix = "/"EXPAND_AND_QUOTE(SVNNODEPATH)")"; // there should exist only 1 entry like this
		size_t prefix_len = strlen(prefix);
		size_t postfix_len = strlen(postfix);
		size_t i,j,flen;
		char* buffer;

		// read file to buffer
		fseek(fp, 0, SEEK_END);
		flen = ftell(fp);
		buffer = (char*)aMalloc(flen + 1);
		fseek(fp, 0, SEEK_SET);
		flen = fread(buffer, 1, flen, fp);
		buffer[flen] = '\0';
		fclose(fp);

		// parse buffer
		for (i = prefix_len + 1; i + postfix_len <= flen; ++i) {
			if (buffer[i] != postfix[0] || memcmp(buffer + i, postfix, postfix_len) != 0)
				continue; // postfix mismatch
			for (j = i; j > 0; --j) { // skip digits
				if (!ISDIGIT(buffer[j - 1]))
					break;
			}
			if (memcmp(buffer + j - prefix_len, prefix, prefix_len) != 0)
				continue; // prefix mismatch
			// done
			if (*out != NULL)
				aFree(*out);
			*out = aCalloc(1, 8);
			snprintf(*out, 8, "%d", atoi(buffer + j));
			break;
		}
		aFree(buffer);

		if (*out != NULL)
			return true;
	}

	// subversion 1.6 and older?
	if ((fp = fopen(".svn/entries", "r")) != NULL) {
		char line[1024];
		int rev;
		// Check the version
		if (fgets(line, sizeof(line), fp)) {
			if (!ISDIGIT(line[0])) {
				// XML File format
				while (fgets(line,sizeof(line),fp))
					if (strstr(line,"revision=")) break;
				if (sscanf(line," %*[^\"]\"%d%*[^\n]", &rev) == 1) {
					if (*out != NULL)
						aFree(*out);
					*out = aCalloc(1, 8);
					snprintf(*out, 8, "%d", rev);
				}
			} else {
				// Bin File format
				if (fgets(line, sizeof(line), fp) == NULL) { printf("Can't get bin name\n"); } // Get the name
				if (fgets(line, sizeof(line), fp) == NULL) { printf("Can't get entries kind\n"); } // Get the entries kind
				if (fgets(line, sizeof(line), fp)) { // Get the rev numver
					if (*out != NULL)
						aFree(*out);
					*out = aCalloc(1, 8);
					snprintf(*out, 8, "%d", atoi(line));
				}
			}
		}
		fclose(fp);

		if (*out != NULL)
			return true;
	}
#endif
	if (*out != NULL)
		aFree(*out);
	*out = NULL;
	return false;
}

/**
 * Retrieves the current Git revision.
 *
 * @param out[out] a string pointer to return the value (to be aFree()'d.)
 * @retval true  if a revision was correctly detected.
 * @retval false if no revision was detected. out is set to NULL in this case.
 */
bool sysinfo_git_get_revision(char **out) {
	// Only include Git support if we detected it, or we're on MSVC
#if !defined(SYSINFO_VCSTYPE) || SYSINFO_VCSTYPE == VCSTYPE_GIT || SYSINFO_VCSTYPE == VCSTYPE_UNKNOWN
	FILE *fp;
	char ref[128], filepath[128], line[128];

	strcpy(ref, "HEAD");

	while (*ref) {
		snprintf(filepath, sizeof(filepath), ".git/%s", ref);
		if ((fp = fopen(filepath, "r")) != NULL) {
			if (fgets(line, sizeof(line)-1, fp) == NULL) {
				fclose(fp);
				break;
			}
			fclose(fp);
			if (sscanf(line, "ref: %127[^\n]", ref) == 1) {
				continue;
			} else if (sscanf(line, "%127[a-f0-9]", ref) == 1 && strlen(ref) == 40) {
				if (*out != NULL)
					aFree(*out);
				*out = aStrdup(ref);
			}
		}
		break;
	}
	if (*out != NULL)
		return true;
#else
	if (*out != NULL)
		aFree(*out);
	*out = NULL;
#endif
	return false;
}

#ifdef WIN32

/// Windows-specific runtime detection functions.

typedef BOOL (WINAPI *PGPI)(DWORD, DWORD, DWORD, DWORD, PDWORD);
/**
 * Retrieves the Operating System version (Windows only).
 *
 * Once retrieved, the version string is stored into sysinfo->p->osversion.
 */
void sysinfo_osversion_retrieve(void) {
	OSVERSIONINFOEX osvi;
	StringBuf buf;
	ZeroMemory(&osvi, sizeof(OSVERSIONINFOEX));
	StrBuf->Init(&buf);

	osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);

	if (sysinfo->p->osversion != NULL) {
		aFree(sysinfo->p->osversion);
		sysinfo->p->osversion = NULL;
	}

	/*
	 * #pragma rantmode (on)
	 * Some engineer at Microsoft moronically decided that, since some applications use this information to do version checks and refuse to
	 * run if they detect a new, unknown version of Windows, now nobody will be able to rely on this information anymore, not even those who
	 * need it for reporting or logging.
	 * The correct fix was to let those applications break, and their developer fix them (and in the meanwhile let the users use the
	 * Compatibility settings to run them) but no, they decided they'd deprecate the API, and make it lie for those who use it, reporting
	 * windows 8 even if they're running on 8.1 or newer.
	 * The API wasn't broken, applications were. Now we have broken applications, and a broken API. Great move, Microsoft.  Oh right,
	 * there's the Version API helper functions. Or maybe not, since you can only do 'are we running on at least version X?' checks with
	 * those, it's not what we need.
	 * You know what? I'll just silence your deprecation warning for the time being. Maybe by the time you release the next version of
	 * Windows, you'll have provided a less crippled API or something.
	 * #pragma rantmode (off)
	 */
#pragma warning (push)
#pragma warning (disable : 4996)
	if (!GetVersionEx((OSVERSIONINFO*) &osvi)) {
		sysinfo->p->osversion = aStrdup("Unknown Version");
		return;
	}
#pragma warning (pop)

	if (VER_PLATFORM_WIN32_NT == osvi.dwPlatformId // Windows NT Family
	 && ((osvi.dwMajorVersion > 4 && osvi.dwMajorVersion < 6) || (osvi.dwMajorVersion == 6 && osvi.dwMinorVersion <= 3)) // Between XP and 8.1
	) {
		if (osvi.dwMajorVersion == 6 && osvi.dwMinorVersion <= 3) { // Between Vista and 8.1
			PGPI pGPI;
			DWORD dwType;
			if (osvi.dwMinorVersion == 0) {
				StrBuf->AppendStr(&buf, osvi.wProductType == VER_NT_WORKSTATION ? "Windows Vista" : "Windows Server 2008");
			} else if (osvi.dwMinorVersion == 1) {
				StrBuf->AppendStr(&buf, osvi.wProductType == VER_NT_WORKSTATION ? "Windows 7" : "Windows Server 2008 R2");
			} else {
				// If it's 2, it can be Windows 8, or any newer version (8.1 at the time of writing this) -- see above for the reason.
				switch (osvi.dwMinorVersion) {
				case 2:
					{
						ULONGLONG mask = 0;
						OSVERSIONINFOEX osvi2;
						ZeroMemory(&osvi2, sizeof(OSVERSIONINFOEX));
						osvi2.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
						osvi2.dwMajorVersion = 6;
						osvi2.dwMinorVersion = 2;
						VER_SET_CONDITION(mask, VER_MAJORVERSION, VER_LESS_EQUAL);
						VER_SET_CONDITION(mask, VER_MINORVERSION, VER_LESS_EQUAL);
						if (VerifyVersionInfo(&osvi2, VER_MAJORVERSION | VER_MINORVERSION, mask)) {
							StrBuf->AppendStr(&buf, osvi.wProductType == VER_NT_WORKSTATION ? "Windows 8" : "Windows Server 2012");
							break;
						}
					}
				case 3:
					StrBuf->AppendStr(&buf, osvi.wProductType == VER_NT_WORKSTATION ? "Windows 8.1" : "Windows Server 2012 R2");
				}
			}

			pGPI = (PGPI) GetProcAddress(GetModuleHandle(TEXT("kernel32.dll")), "GetProductInfo");

			pGPI(osvi.dwMajorVersion, osvi.dwMinorVersion, 0, 0, &dwType);

			switch (dwType) {
				case msPRODUCT_ULTIMATE:
				case msPRODUCT_ULTIMATE_N:
					StrBuf->AppendStr(&buf, " Ultimate");
					break;
				case msPRODUCT_PROFESSIONAL:
				case msPRODUCT_PROFESSIONAL_N:
				case msPRODUCT_PROFESSIONAL_WMC:
					StrBuf->AppendStr(&buf, " Professional");
					break;
				case msPRODUCT_HOME_PREMIUM:
				case msPRODUCT_HOME_PREMIUM_N:
					StrBuf->AppendStr(&buf, " Home Premium");
					break;
				case msPRODUCT_HOME_BASIC:
				case msPRODUCT_HOME_BASIC_N:
					StrBuf->AppendStr(&buf, " Home Basic");
					break;
				case msPRODUCT_ENTERPRISE:
				case msPRODUCT_ENTERPRISE_N:
				case msPRODUCT_ENTERPRISE_SERVER:
				case msPRODUCT_ENTERPRISE_SERVER_CORE:
				case msPRODUCT_ENTERPRISE_SERVER_IA64:
				case msPRODUCT_ENTERPRISE_SERVER_V:
				case msPRODUCT_ENTERPRISE_SERVER_CORE_V:
				case msPRODUCT_ENTERPRISE_EVALUATION:
				case msPRODUCT_ENTERPRISE_N_EVALUATION:
					StrBuf->AppendStr(&buf, " Enterprise");
					break;
				case msPRODUCT_BUSINESS:
				case msPRODUCT_BUSINESS_N:
					StrBuf->AppendStr(&buf, " Business");
					break;
				case msPRODUCT_STARTER:
				case msPRODUCT_STARTER_N:
					StrBuf->AppendStr(&buf, " Starter");
					break;
				case msPRODUCT_CLUSTER_SERVER:
				case msPRODUCT_CLUSTER_SERVER_V:
					StrBuf->AppendStr(&buf, " Cluster Server");
					break;
				case msPRODUCT_DATACENTER_SERVER:
				case msPRODUCT_DATACENTER_SERVER_CORE:
				case msPRODUCT_DATACENTER_SERVER_V:
				case msPRODUCT_DATACENTER_SERVER_CORE_V:
				case msPRODUCT_DATACENTER_EVALUATION_SERVER:
					StrBuf->AppendStr(&buf, " Datacenter");
					break;
				case msPRODUCT_SMALLBUSINESS_SERVER:
				case msPRODUCT_SMALLBUSINESS_SERVER_PREMIUM:
				case msPRODUCT_SMALLBUSINESS_SERVER_PREMIUM_CORE:
					StrBuf->AppendStr(&buf, " Small Business Server");
					break;
				case PRODUCT_STANDARD_SERVER:
				case PRODUCT_STANDARD_SERVER_CORE:
				case msPRODUCT_STANDARD_SERVER_V:
				case msPRODUCT_STANDARD_SERVER_CORE_V:
				case msPRODUCT_STANDARD_EVALUATION_SERVER:
					StrBuf->AppendStr(&buf, " Standard");
					break;
				case msPRODUCT_WEB_SERVER:
				case msPRODUCT_WEB_SERVER_CORE:
					StrBuf->AppendStr(&buf, " Web Server");
					break;
				case msPRODUCT_STORAGE_EXPRESS_SERVER:
				case msPRODUCT_STORAGE_STANDARD_SERVER:
				case msPRODUCT_STORAGE_WORKGROUP_SERVER:
				case msPRODUCT_STORAGE_ENTERPRISE_SERVER:
				case msPRODUCT_STORAGE_EXPRESS_SERVER_CORE:
				case msPRODUCT_STORAGE_STANDARD_SERVER_CORE:
				case msPRODUCT_STORAGE_WORKGROUP_SERVER_CORE:
				case msPRODUCT_STORAGE_ENTERPRISE_SERVER_CORE:
				case msPRODUCT_STORAGE_WORKGROUP_EVALUATION_SERVER:
				case msPRODUCT_STORAGE_STANDARD_EVALUATION_SERVER:
					StrBuf->AppendStr(&buf, " Storage Server");
					break;
				case msPRODUCT_HOME_SERVER:
				case msPRODUCT_SERVER_FOR_SMALLBUSINESS:
				case msPRODUCT_MEDIUMBUSINESS_SERVER_MANAGEMENT:
				case msPRODUCT_MEDIUMBUSINESS_SERVER_SECURITY:
				case msPRODUCT_MEDIUMBUSINESS_SERVER_MESSAGING:
				case msPRODUCT_SERVER_FOR_SMALLBUSINESS_V:
				case msPRODUCT_SERVER_FOUNDATION:
				case msPRODUCT_HOME_PREMIUM_SERVER:
				case msPRODUCT_HYPERV:
				case msPRODUCT_SB_SOLUTION_SERVER:
				case msPRODUCT_SERVER_FOR_SB_SOLUTIONS:
				case msPRODUCT_STANDARD_SERVER_SOLUTIONS:
				case msPRODUCT_STANDARD_SERVER_SOLUTIONS_CORE:
				case msPRODUCT_SB_SOLUTION_SERVER_EM:
				case msPRODUCT_SERVER_FOR_SB_SOLUTIONS_EM:
				case msPRODUCT_SOLUTION_EMBEDDEDSERVER:
				case msPRODUCT_ESSENTIALBUSINESS_SERVER_MGMT:
				case msPRODUCT_ESSENTIALBUSINESS_SERVER_ADDL:
				case msPRODUCT_ESSENTIALBUSINESS_SERVER_MGMTSVC:
				case msPRODUCT_ESSENTIALBUSINESS_SERVER_ADDLSVC:
				case msPRODUCT_MULTIPOINT_STANDARD_SERVER:
				case msPRODUCT_MULTIPOINT_PREMIUM_SERVER:
					StrBuf->AppendStr(&buf, " Server (other)");
					break;
				case msPRODUCT_CORE_N:
				case msPRODUCT_CORE_COUNTRYSPECIFIC:
				case msPRODUCT_CORE_SINGLELANGUAGE:
				case msPRODUCT_CORE:
					StrBuf->AppendStr(&buf, " Workstation (other)");
					break;
			}

		} else if (osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 2) { // XP x64 and Server 2003
			if (osvi.wProductType == VER_NT_WORKSTATION) {
				StrBuf->AppendStr(&buf, "Windows XP Professional");
			} else {
				if (GetSystemMetrics(msSM_SERVERR2))
					StrBuf->AppendStr(&buf, "Windows Server 2003 R2");
				else if (osvi.wSuiteMask & msVER_SUITE_STORAGE_SERVER)
					StrBuf->AppendStr(&buf, "Windows Storage Server 2003");
				else if (osvi.wSuiteMask & msVER_SUITE_WH_SERVER)
					StrBuf->AppendStr(&buf, "Windows Home Server");
				else
					StrBuf->AppendStr(&buf, "Windows Server 2003");

				// Test for the server type.
				if (osvi.wSuiteMask & msVER_SUITE_COMPUTE_SERVER)
					StrBuf->AppendStr(&buf, " Compute Cluster");
				else if (osvi.wSuiteMask & VER_SUITE_DATACENTER)
					StrBuf->AppendStr(&buf, " Datacenter");
				else if (osvi.wSuiteMask & VER_SUITE_ENTERPRISE)
					StrBuf->AppendStr(&buf, " Enterprise");
				else if (osvi.wSuiteMask & msVER_SUITE_BLADE)
					StrBuf->AppendStr(&buf, " Web");
				else
					StrBuf->AppendStr(&buf, " Standard");
			}
		} else if (osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 1) { // XP
			StrBuf->AppendStr(&buf, "Windows XP");
			if (osvi.wSuiteMask & VER_SUITE_EMBEDDEDNT)
				StrBuf->AppendStr(&buf, " Embedded");
			else if (osvi.wSuiteMask & VER_SUITE_PERSONAL)
				StrBuf->AppendStr(&buf, " Home");
			else
				StrBuf->AppendStr(&buf, " Professional");
		} else if (osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 0) { // 2000
			StrBuf->AppendStr(&buf, "Windows 2000");

			if (osvi.wProductType == VER_NT_WORKSTATION)
				StrBuf->AppendStr(&buf, " Professional");
			else if (osvi.wSuiteMask & VER_SUITE_DATACENTER)
				StrBuf->AppendStr(&buf, " Datacenter Server");
			else if (osvi.wSuiteMask & VER_SUITE_ENTERPRISE)
				StrBuf->AppendStr(&buf, " Advanced Server");
			else
				StrBuf->AppendStr(&buf, " Server");
		} else {
			StrBuf->Printf(&buf, "Unknown Windows version %d.%d", osvi.dwMajorVersion, osvi.dwMinorVersion);
		}
	}

	// Include service pack (if any) and build number.

	if (strlen(osvi.szCSDVersion) > 0) {
		StrBuf->Printf(&buf, " %s", osvi.szCSDVersion);
	}

	StrBuf->Printf(&buf, " (build %d)", osvi.dwBuildNumber);

	sysinfo->p->osversion = aStrdup(StrBuf->Value(&buf));

	StrBuf->Destroy(&buf);
	return;
}

typedef void (WINAPI *PGNSI)(LPSYSTEM_INFO);

/**
 * Retrieves SYSTEM_INFO (Windows only)
 * System info is not stored anywhere after retrieval
 * @see http://msdn.microsoft.com/en-us/library/windows/desktop/ms724958(v=vs.85).aspx
 **/
void sysinfo_systeminfo_retrieve( LPSYSTEM_INFO info ) {
	PGNSI pGNSI;

	// Call GetNativeSystemInfo if supported or GetSystemInfo otherwise.
	pGNSI = (PGNSI) GetProcAddress(GetModuleHandle(TEXT("kernel32.dll")), "GetNativeSystemInfo");
	if (NULL != pGNSI)
		pGNSI(info);
	else
		GetSystemInfo(info);

	return;
}

/**
 * Returns number of bytes in a memory page
 * Only needed when compiling with MSVC
 **/
long sysinfo_getpagesize( void ) {
	SYSTEM_INFO si;
	ZeroMemory(&si, sizeof(SYSTEM_INFO));

	sysinfo_systeminfo_retrieve(&si);
	return si.dwPageSize;
}

/**
 * Retrieves the CPU type (Windows only).
 *
 * Once retrieved, the name is stored into sysinfo->p->cpu and the
 * number of cores in sysinfo->p->cpucores.
 */
void sysinfo_cpu_retrieve(void) {
	StringBuf buf;
	SYSTEM_INFO si;
	ZeroMemory(&si, sizeof(SYSTEM_INFO));
	StrBuf->Init(&buf);

	if (sysinfo->p->cpu != NULL) {
		aFree(sysinfo->p->cpu);
		sysinfo->p->cpu = NULL;
	}

	sysinfo_systeminfo_retrieve(&si);

	if (si.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_INTEL
	 || si.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_AMD64
	) {
		StrBuf->Printf(&buf, "%s CPU, Family %d, Model %d, Stepping %d",
		               si.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_INTEL ? "x86" : "x86_64",
		               si.wProcessorLevel,
		               (si.wProcessorRevision&0xff00)>>8,
		               (si.wProcessorRevision&0xff));
	} else {
		StrBuf->AppendStr(&buf, "Unknown");
	}

	sysinfo->p->cpu = aStrdup(StrBuf->Value(&buf));
	sysinfo->p->cpucores = si.dwNumberOfProcessors;

	StrBuf->Destroy(&buf);
}

/**
 * Retrieves the OS architecture (Windows only).
 *
 * Once retrieved, the name is stored into sysinfo->p->arch.
 */
void sysinfo_arch_retrieve(void) {
	SYSTEM_INFO si;
	ZeroMemory(&si, sizeof(SYSTEM_INFO));

	if (sysinfo->p->arch != NULL) {
		aFree(sysinfo->p->arch);
		sysinfo->p->arch = NULL;
	}

	sysinfo_systeminfo_retrieve(&si);

	if (si.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_AMD64) // x64
		sysinfo->p->arch = aStrdup("x86_64");
	else if (si.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_INTEL) // x32
		sysinfo->p->arch = aStrdup("x86");
	else if (si.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_ARM) // ARM
		sysinfo->p->arch = aStrdup("ARM");
	else if (si.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_IA64) // Itanium
		sysinfo->p->arch = aStrdup("IA-64");
	else
		sysinfo->p->arch = aStrdup("Unknown");
}

/**
 * Retrieves the startup-time VCS revision information.
 *
 * Once retrieved, the value is stored in sysinfo->p->vcsrevision_src.
 */
void sysinfo_vcsrevision_src_retrieve(void) {
	if (sysinfo->p->vcsrevision_src != NULL) {
		aFree(sysinfo->p->vcsrevision_src);
		sysinfo->p->vcsrevision_src = NULL;
	}
	// Try Git, then SVN
	if (sysinfo_git_get_revision(&sysinfo->p->vcsrevision_src)) {
		sysinfo->p->vcstype = VCSTYPE_GIT;
		return;
	}
	if (sysinfo_svn_get_revision(&sysinfo->p->vcsrevision_src)) {
		sysinfo->p->vcstype = VCSTYPE_SVN;
		return;
	}
	sysinfo->p->vcstype = VCSTYPE_NONE;
	sysinfo->p->vcsrevision_src = aStrdup("Unknown");
}
#endif // WIN32

/**
 * Retrieves the VCS type name.
 *
 * Once retrieved, the value is stored in sysinfo->p->vcstype_name.
 */
void sysinfo_vcstype_name_retrieve(void) {
	if (sysinfo->p->vcstype_name != NULL) {
		aFree(sysinfo->p->vcstype_name);
		sysinfo->p->vcstype_name = NULL;
	}
	switch (sysinfo->p->vcstype) {
		case VCSTYPE_GIT:
			sysinfo->p->vcstype_name = aStrdup("Git");
			break;
		case VCSTYPE_SVN:
			sysinfo->p->vcstype_name = aStrdup("SVN");
			break;
		default:
			sysinfo->p->vcstype_name = aStrdup("Exported");
			break;
	}
}

/**
 * Returns the platform (OS type) this application is running on.
 *
 * This information is cached at compile time, since it's unlikely to change.
 *
 * @return the OS platform name.
 *
 * Note: Ownership is NOT transferred, the value should not be freed.
 *
 * Output example: "Linux", "Darwin", "Windows", etc.
 */
const char *sysinfo_platform(void) {
	return sysinfo->p->platform;
}

/**
 * Returns the Operating System version the application is running on.
 *
 * On platforms other than Windows (MSVC), this information is cached at
 *   compile time, since it is uncommon that an application is compiled and runs
 *   on different machines.
 *
 * @return the OS name.
 *
 * Note: Ownership is NOT transferred, the value should not be freed.
 *
 * Output example: "Windows 2008 Small Business Server", "OS X 10.8 Mountain Lion",
 *   "Gentoo Base System Release 2.2", "Debian GNU/Linux 6.0.6 (squeeze)", etc.
 */
const char *sysinfo_osversion(void) {
	return sysinfo->p->osversion;
}

/**
 * Returns the CPU model the application is running on.
 *
 * On platforms other than Windows (MSVC), this information is cached at
 *   compile time, since it is uncommon that an application is compiled and runs
 *   on different machines.
 *
 * @return the CPU model name.
 *
 * Note: Ownership is NOT transferred, the value should not be freed.
 *
 * Output example: "Intel(R) Atom(TM) CPU D2500   @ 1.86GHz",
 *   "Intel(R) Xeon(R) CPU E5-1650 0 @ 3.20GHz", "Intel Core i7",
 *   "x86 CPU, Family 6, Model 54, Stepping 1", etc.
 */
const char *sysinfo_cpu(void) {
	return sysinfo->p->cpu;
}

/**
 * Returns the number of CPU cores available.
 *
 * On platforms other than Windows (MSVC), this information is cached at
 *   compile time, since it is uncommon that an application is compiled and runs
 *   on different machines.
 *
 * @return the number of CPU cores.
 */
int sysinfo_cpucores(void) {
	return sysinfo->p->cpucores;
}

/**
 * Returns the CPU architecture the application was compiled for.
 *
 * On platforms other than Windows (MSVC), this information is cached at
 *   compile time, since it is uncommon that an application is compiled and runs
 *   on different machines.
 *
 * @return the CPU architecture name.
 *
 * Note: Ownership is NOT transferred, the value should not be freed.
 *
 * Output example: "x86", "x86_64", "IA-64", "ARM", etc.
 */
const char *sysinfo_arch(void) {
	return sysinfo->p->arch;
}

/**
 * Returns info about the 32 or 64 bit build of Hercules.
 *
 * @retval true  if this is a 64 bit build.
 * @retval false if this isn't a 64 bit build (i.e. it is a 32 bit build).
 */
bool sysinfo_is64bit(void) {
#ifdef _LP64
	return true;
#else
	return false;
#endif
}

/**
 * Returns the compiler the application was compiled with.
 *
 * @return the compiler name.
 *
 * Note: Ownership is NOT transferred, the value should not be freed.
 *
 * Output example: "Microsoft Visual C++ 2012 (v170050727)",
 *   "Clang v5.0.0", "MinGW32 v3.20", "GCC v4.7.3", etc.
 */
const char *sysinfo_compiler(void) {
	return sysinfo->p->compiler;
}

/**
 * Returns the compiler flags the application was compiled with.
 *
 * On Windows (MSVC), an empty string is returned instead.
 *
 * @return the compiler flags.
 *
 * Note: Ownership is NOT transferred, the value should not be freed.
 *
 * Output example: "-ggdb -O2 -flto -pipe -ffast-math ..."
 */
const char *sysinfo_cflags(void) {
	return sysinfo->p->cflags;
}

/**
 * Returns the Version Control System the application was downloaded with.
 *
 * On platforms other than Windows (MSVC), this information is cached at
 *   compile time. On Windows (MSVC), it is cached when the function is first
 *   called (most likely on server startup).
 *
 * @return the VCS type (numerical).
 *
 * @see VCSTYPE_NONE, VCSTYPE_GIT, VCSTYPE_SVN, VCSTYPE_UNKNOWN
 */
int sysinfo_vcstypeid(void) {
	return sysinfo->p->vcstype;
}

/**
 * Returns the Version Control System the application was downloaded with.
 *
 * On platforms other than Windows (MSVC), this information is cached at
 *   compile time. On Windows (MSVC), it is cached when the function is first
 *   called (most likely on server startup).
 *
 * @return the VCS type.
 *
 * Note: Ownership is NOT transferred, the value should not be freed.
 *
 * Output example: "Git", "SVN", "Exported"
 */
const char *sysinfo_vcstype(void) {
	return sysinfo->p->vcstype_name;
}

/**
 * Returns the Version Control System revision.
 *
 * On platforms other than Windows (MSVC), this information is cached at
 *   compile time for better reliability. On Windows (MSVC), it is cached when
 *   the function is first called (most likely on server startup), so it may
 *   diverge from the actual revision that was compiled.
 *
 * @return the VCS revision.
 *
 * Note: Ownership is NOT transferred, the value should not be freed.
 *
 * Output example: Git: "9128feccf3bddda94a7f8a170305565416815b40", SVN: "17546"
 */
const char *sysinfo_vcsrevision_src(void) {
	return sysinfo->p->vcsrevision_src;
}

/**
 * Returns the Version Control System revision.
 *
 * This information is cached during a script reload, so that it matches the
 *   version of the loaded scripts.
 *
 * @return the VCS revision.
 *
 * Note: Ownership is NOT transferred, the value should not be freed.
 *
 * Output example: Git: "9128feccf3bddda94a7f8a170305565416815b40", SVN: "17546"
 */
const char *sysinfo_vcsrevision_scripts(void) {
	return sysinfo->p->vcsrevision_scripts;
}

/**
 * Reloads the run-time (scripts) VCS revision information. To be used during
 *   script reloads to refresh the cached version.
 */
void sysinfo_vcsrevision_reload(void) {
	if (sysinfo->p->vcsrevision_scripts != NULL) {
		aFree(sysinfo->p->vcsrevision_scripts);
		sysinfo->p->vcsrevision_scripts = NULL;
	}
	// Try Git, then SVN
	if (sysinfo_git_get_revision(&sysinfo->p->vcsrevision_scripts)) {
		return;
	}
	if (sysinfo_svn_get_revision(&sysinfo->p->vcsrevision_scripts)) {
		return;
	}
	sysinfo->p->vcsrevision_scripts = aStrdup("Unknown");
}

/**
 * Checks if we're running (unnecessarily) as superuser.
 *
 * @retval true  if the current process is running as UNIX super-user.
 * @retval false if the current process is running as regular user, or
 *               in any case under Windows.
 */
bool sysinfo_is_superuser(void) {
#ifndef _WIN32
	if (geteuid() == 0)
		return true;
#endif
	return false;
}

/**
 * Interface runtime initialization.
 */
void sysinfo_init(void) {
	sysinfo->p->compiler = SYSINFO_COMPILER;
#ifdef WIN32
	sysinfo->p->platform = "Windows";
	sysinfo->p->cflags = "N/A";
	sysinfo_osversion_retrieve();
	sysinfo_cpu_retrieve();
	sysinfo_arch_retrieve();
	sysinfo_vcsrevision_src_retrieve();
#else
	sysinfo->p->platform = SYSINFO_PLATFORM;
	sysinfo->p->osversion = SYSINFO_OSVERSION;
	sysinfo->p->cpucores = SYSINFO_CPUCORES;
	sysinfo->p->cpu = SYSINFO_CPU;
	sysinfo->p->arch = SYSINFO_ARCH;
	sysinfo->p->cflags = SYSINFO_CFLAGS;
	sysinfo->p->vcstype = SYSINFO_VCSTYPE;
	sysinfo->p->vcsrevision_src = SYSINFO_VCSREV;
#endif
	sysinfo->vcsrevision_reload();
	sysinfo_vcstype_name_retrieve(); // Must be called after setting vcstype
}

/**
 * Interface shutdown cleanup.
 */
void sysinfo_final(void) {
#ifdef WIN32
	// Only need to be free'd in win32, they're #defined elsewhere
	if (sysinfo->p->osversion)
		aFree(sysinfo->p->osversion);
	if (sysinfo->p->cpu)
		aFree(sysinfo->p->cpu);
	if (sysinfo->p->arch)
		aFree(sysinfo->p->arch);
	if (sysinfo->p->vcsrevision_src)
		aFree(sysinfo->p->vcsrevision_src);
#endif
	sysinfo->p->platform = NULL;
	sysinfo->p->osversion = NULL;
	sysinfo->p->cpu = NULL;
	sysinfo->p->arch = NULL;
	sysinfo->p->vcsrevision_src = NULL;
	sysinfo->p->cflags = NULL;
	if (sysinfo->p->vcsrevision_scripts)
		aFree(sysinfo->p->vcsrevision_scripts);
	sysinfo->p->vcsrevision_scripts = NULL;
	if (sysinfo->p->vcstype_name)
		aFree(sysinfo->p->vcstype_name);
	sysinfo->p->vcstype_name = NULL;
}

/**
 * Interface default values initialization.
 */
void sysinfo_defaults(void) {
	sysinfo = &sysinfo_s;
	memset(&sysinfo_p, '\0', sizeof(sysinfo_p));
	sysinfo->p = &sysinfo_p;
#if defined(WIN32) && !defined(__CYGWIN__)
	sysinfo->getpagesize = sysinfo_getpagesize;
#else
	sysinfo->getpagesize = getpagesize;
#endif
	sysinfo->platform = sysinfo_platform;
	sysinfo->osversion = sysinfo_osversion;
	sysinfo->cpu = sysinfo_cpu;
	sysinfo->cpucores = sysinfo_cpucores;
	sysinfo->arch = sysinfo_arch;
	sysinfo->is64bit = sysinfo_is64bit;
	sysinfo->compiler = sysinfo_compiler;
	sysinfo->cflags = sysinfo_cflags;
	sysinfo->vcstype = sysinfo_vcstype;
	sysinfo->vcstypeid = sysinfo_vcstypeid;
	sysinfo->vcsrevision_src = sysinfo_vcsrevision_src;
	sysinfo->vcsrevision_scripts = sysinfo_vcsrevision_scripts;
	sysinfo->vcsrevision_reload = sysinfo_vcsrevision_reload;
	sysinfo->is_superuser = sysinfo_is_superuser;
	sysinfo->init = sysinfo_init;
	sysinfo->final = sysinfo_final;
}