-
Notifications
You must be signed in to change notification settings - Fork 32
/
Copy pathsfhdr.h
1313 lines (1152 loc) · 35.2 KB
/
sfhdr.h
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
/***********************************************************************
* *
* This software is part of the ast package *
* Copyright (c) 1985-2012 AT&T Intellectual Property *
* and is licensed under the *
* Eclipse Public License, Version 1.0 *
* by AT&T Intellectual Property *
* *
* A copy of the License is available at *
* http://www.eclipse.org/org/documents/epl-v10.html *
* (with md5 checksum b35adb5213ca9657e911e9befb180842) *
* *
* Information and Software Systems Research *
* AT&T Research *
* Florham Park NJ *
* *
* Glenn Fowler <[email protected]> *
* David Korn <[email protected]> *
* Phong Vo <[email protected]> *
* *
***********************************************************************/
#ifndef _SFHDR_H
#define _SFHDR_H 1
#if !defined(_BLD_sfio) && !defined(_BLD_stdio)
#define _BLD_sfio 1
#endif
/* Internal definitions for sfio.
** Written by Kiem-Phong Vo
*/
#define _next next
#define _endw endw
#define _endr endr
#define _endb endb
#define _push push
#define _flags flags
#define _file file
#define _data data
#define _size size
#define _val val
#include "FEATURE/sfio"
#include "FEATURE/mmap"
/* define va_list, etc. before including sfio_t.h (sfio.h) */
#if !_PACKAGE_ast
/* some systems don't know large files */
#if defined(_NO_LARGEFILE64_SOURCE) || _mips == 2 /* || __hppa */
#undef _NO_LARGEFILE64_SOURCE
#define _NO_LARGEFILE64_SOURCE 1
#undef _LARGEFILE64_SOURCE
#undef _LARGEFILE_SOURCE
#endif
#if !_NO_LARGEFILE64_SOURCE && _typ_off64_t && _lib_lseek64 && _lib_stat64
#undef _LARGEFILE64_SOURCE
#undef _LARGEFILE_SOURCE
#undef _FILE_OFFSET_BITS
#define _LARGEFILE64_SOURCE 1 /* enabling the *64 stuff */
#define _LARGEFILE_SOURCE 1
#endif
#if _hdr_stdarg
#include <stdarg.h>
#else
#include <varargs.h>
#endif
#include "FEATURE/common"
#if !__STD_C
#define const
#endif
#endif /* !_PACKAGE_ast */
#include "sfio_t.h"
/* note that the macro vt_threaded has effect on vthread.h */
#include <vthread.h>
/* file system info */
#if _PACKAGE_ast
#include <ast.h>
#include <ast_time.h>
#include <ast_tty.h>
#include <ls.h>
/* ast always provides multibyte handling */
#undef _hdr_wchar
#undef _lib_mbrtowc
#undef _lib_wcrtomb
#define _hdr_wchar 1
#define _lib_mbrtowc 1
#define _lib_wcrtomb 1
#if _mem_st_blksize_stat
#define _stat_blksize 1
#endif
#if _lib_localeconv && _hdr_locale
#define _lib_locale 1
#endif
#define sfoff_t off_t
#define sfstat_t struct stat
#define sysclosef close
#define syscreatf creat
#define sysdupf dup
#define sysfcntlf fcntl
#define sysfstatf fstat
#define sysftruncatef ftruncate
#define syslseekf lseek
#define sysmmapf mmap
#define sysmunmapf munmap
#define sysopenf open
#define syspipef pipe
#define sysreadf read
#define sysremovef remove
#define sysstatf stat
#define syswritef write
#else /*!_PACKAGE_ast*/
/* when building the binary compatibility package, a number of header files
are not needed and they may get in the way so we remove them here.
*/
#if _SFBINARY_H
#undef _hdr_time
#undef _sys_time
#undef _sys_stat
#undef _hdr_stat
#undef _hdr_filio
#undef _sys_filio
#undef _lib_poll
#undef _stream_peek
#undef _socket_peek
#undef _hdr_vfork
#undef _sys_vfork
#undef _lib_vfork
#undef _hdr_values
#undef _hdr_math
#undef _sys_mman
#undef _hdr_mman
#undef _sys_ioctl
#endif
#if _hdr_stdlib
#include <stdlib.h>
#endif
#if _hdr_string
#include <string.h>
#endif
#if _hdr_time
#include <time.h>
#endif
#if _sys_time
#include <sys/time.h>
#endif
#if _sys_stat
#include <sys/stat.h>
#else
#if _hdr_stat
#include <stat.h>
#ifndef _sys_stat
#define _sys_stat 1
#endif
#endif
#endif /*_sys_stat*/
#ifndef _sys_stat
#define _sys_stat 0
#endif
#include <fcntl.h>
#ifndef F_SETFD
#ifndef FIOCLEX
#if _hdr_filio
#include <filio.h>
#else
#if _sys_filio
#include <sys/filio.h>
#endif /*_sys_filio*/
#endif /*_hdr_filio*/
#endif /*_FIOCLEX*/
#endif /*F_SETFD*/
#if _hdr_unistd
#include <unistd.h>
#endif
#if !_LARGEFILE64_SOURCE /* turn off the *64 stuff */
#undef _typ_off64_t
#undef _typ_struct_stat64
#undef _lib_creat64
#undef _lib_open64
#undef _lib_close64
#undef _lib_stat64
#undef _lib_fstat64
#undef _lib_ftruncate64
#undef _lib_lseek64
#undef _lib_mmap64
#undef _lib_munmap64
#endif /*!_LARGEFILE64_SOURCE */
/* see if we can use memory mapping for io */
#if _LARGEFILE64_SOURCE && !_lib_mmap64
#undef _mmap_worthy
#endif
#if !_mmap_worthy
#undef _hdr_mman
#undef _sys_mman
#endif
#if _hdr_mman
#include <mman.h>
#endif
#if _sys_mman
#include <sys/mman.h>
#endif
/* standardize system calls and types dealing with files */
#if _typ_off64_t
#define sfoff_t off64_t
#else
#define sfoff_t off_t
#endif
#if _typ_struct_stat64
#define sfstat_t struct stat64
#else
#define sfstat_t struct stat
#endif
#if _lib_lseek64
#define syslseekf lseek64
#else
#define syslseekf lseek
#endif
#if _lib_stat64
#define sysstatf stat64
#else
#define sysstatf stat
#endif
#if _lib_fstat64
#define sysfstatf fstat64
#else
#define sysfstatf fstat
#endif
#if _lib_mmap64
#define sysmmapf mmap64
#else
#define sysmmapf mmap
#endif
#if _lib_munmap64
#define sysmunmapf munmap64
#else
#define sysmunmapf munmap
#endif
#if _lib_open64
#define sysopenf open64
#else
#define sysopenf open
#endif
#if _lib_creat64
#define syscreatf creat64
#else
#define syscreatf creat
#endif
#if _lib_close64
#define sysclosef close64
#else
#define sysclosef close
#endif
#if _lib_ftruncate64
#undef _lib_ftruncate
#define _lib_ftruncate 1
#define sysftruncatef ftruncate64
#endif
#if !_lib_ftruncate64 && _lib_ftruncate
#define sysftruncatef ftruncate
#endif
#if _lib_remove
#define sysremovef remove
#else
#define sysremovef unlink
#endif
#define sysreadf read
#define syswritef write
#define syspipef pipe
#define sysdupf dup
#define sysfcntlf fcntl
#endif /*_PACKAGE_ast*/
#if !_mmap_worthy
#undef MAP_TYPE
#endif
#include "FEATURE/float"
#include <errno.h>
#include <ctype.h>
/* deal with multi-byte character and string conversions */
#if _PACKAGE_ast
#include <wchar.h>
#define _has_multibyte 1
#define SFMBMAX mbmax()
#define SFMBCPY(to,fr) memcpy((to), (fr), sizeof(mbstate_t))
#define SFMBCLR(mb) memset((mb), 0, sizeof(mbstate_t))
#define SFMBSET(lhs,v) (lhs = (v))
#define SFMBLEN(s,mb) mbsize(s)
#define SFMBDCL(ms) mbstate_t ms;
#else
#if _hdr_wchar && _typ_mbstate_t && _lib_wcrtomb && _lib_mbrtowc
#define _has_multibyte 1 /* Xopen-compliant */
#if _typ___va_list && !defined(__va_list)
#define __va_list va_list
#endif
#include <wchar.h>
#define SFMBCPY(to,fr) memcpy((to), (fr), sizeof(mbstate_t))
#define SFMBCLR(mb) memset((mb), 0, sizeof(mbstate_t))
#define SFMBSET(lhs,v) (lhs = (v))
#define SFMBDCL(mb) mbstate_t mb;
#define SFMBLEN(s,mb) mbrtowc(NIL(wchar_t*), (s), SFMBMAX, (mb) )
#endif /*_hdr_wchar && _typ_mbstate_t && _lib_wcrtomb && _lib_mbrtowc*/
#if !_has_multibyte && _hdr_wchar && _lib_mbtowc && _lib_wctomb
#define _has_multibyte 2 /* no shift states */
#include <wchar.h>
#undef mbrtowc
#define mbrtowc(wp,s,n,mb) mbtowc(wp, s, n)
#undef wcrtomb
#define wcrtomb(s,wc,mb) wctomb(s, wc)
#define SFMBCPY(to,fr)
#define SFMBCLR(mb)
#define SFMBSET(lhs,v)
#define SFMBDCL(mb)
#define SFMBLEN(s,mb) mbrtowc(NIL(wchar_t*), (s), SFMBMAX, (mb) )
#endif /*!_has_multibyte && _hdr_wchar && _lib_mbtowc && _lib_wctomb*/
#ifdef MB_CUR_MAX
#define SFMBMAX MB_CUR_MAX
#else
#define SFMBMAX sizeof(Sflong_t)
#endif
#endif /* _PACKAGE_ast */
#if !_has_multibyte
#define _has_multibyte 0 /* no multibyte support */
#define SFMBCPY(to,fr)
#define SFMBCLR(mb)
#define SFMBSET(lhs,v)
#define SFMBDCL(mb)
#define SFMBLEN(s,mb) (*(s) ? 1 : 0)
#endif /* _has_multibyte */
/* dealing with streams that might be accessed concurrently */
#if vt_threaded
#define SFMTXdecl(ff,_mf_) Sfio_t* _mf_ = (ff)
#define SFMTXbegin(ff,_mf_,rv) \
{ if((ff)->_flags&SF_MTSAFE) \
{ (_mf_) = (ff); \
if(sfmutex((ff), SFMTX_LOCK) != 0) return(rv); \
if(_Sfnotify) \
{ (*_Sfnotify)((_mf_), SF_MTACCESS, (Void_t*)(&(ff)) ); \
if(!(ff)) (ff) = (_mf_); \
} \
} \
}
#define SFMTXend(ff,_mf_) \
{ if((ff)->_flags&SF_MTSAFE) \
{ if(_Sfnotify) \
(*_Sfnotify)((_mf_), SF_MTACCESS, NIL(Void_t*) ); \
sfmutex((ff), SFMTX_UNLOCK); \
(ff) = (_mf_); \
} \
}
#define SFONCE() (_Sfdone ? 0 : vtonce(_Sfonce,_Sfoncef))
#define SFMTXLOCK(f) (((f)->flags&SF_MTSAFE) ? sfmutex(f,SFMTX_LOCK) : 0)
#define SFMTXUNLOCK(f) (((f)->flags&SF_MTSAFE) ? sfmutex(f,SFMTX_UNLOCK) : 0)
#define SFMTXDECL(ff) SFMTXdecl((ff), _mtxf1_)
#define SFMTXBEGIN(ff,v) { SFMTXbegin((ff), _mtxf1_, (v) ); }
#define SFMTXEND(ff) { SFMTXend(ff, _mtxf1_); }
#define SFMTXENTER(ff,v) { if(!(ff)) return(v); SFMTXBEGIN((ff), (v)); }
#define SFMTXRETURN(ff,v) { SFMTXEND(ff); return(v); }
#define SFMTXDECL2(ff) SFMTXdecl((ff), _mtxf2_)
#define SFMTXBEGIN2(ff,v) { SFMTXbegin((ff), _mtxf2_, (v) ); }
#define SFMTXEND2(ff) { SFMTXend((ff), _mtxf2_); }
#define POOLMTXLOCK(p) ( vtmtxlock(&(p)->mutex) )
#define POOLMTXUNLOCK(p) ( vtmtxunlock(&(p)->mutex) )
#define POOLMTXENTER(p) { POOLMTXLOCK(p); }
#define POOLMTXRETURN(p,rv) { POOLMTXUNLOCK(p); return(rv); }
#else /*!vt_threaded*/
#undef SF_MTSAFE /* no need to worry about thread-safety */
#define SF_MTSAFE 0
#define SFONCE() /*(0)*/
#define SFMTXLOCK(f) /*(0)*/
#define SFMTXUNLOCK(f) /*(0)*/
#define SFMTXDECL(ff) /*(0)*/
#define SFMTXBEGIN(ff,v) /*(0)*/
#define SFMTXEND(ff) /*(0)*/
#define SFMTXENTER(ff,v) { if(!(ff)) return(v); }
#define SFMTXRETURN(ff,v) { return(v); }
#define SFMTXDECL2(ff) /*(0)*/
#define SFMTXBEGIN2(ff,v) /*(0)*/
#define SFMTXEND2(ff) /*(0)*/
#define POOLMTXLOCK(p)
#define POOLMTXUNLOCK(p)
#define POOLMTXENTER(p)
#define POOLMTXRETURN(p,v) { return(v); }
#endif /*vt_threaded*/
/* functions for polling readiness of streams */
#if _lib_select
#undef _lib_poll
#if _sys_select
#include <sys/select.h>
#endif
#else
#if _lib_poll_fd_1 || _lib_poll_fd_2
#define _lib_poll 1
#endif
#endif /*_lib_select_*/
#if _lib_poll
#include <poll.h>
#if _lib_poll_fd_1
#define SFPOLL(pfd,n,tm) poll((pfd),(ulong)(n),(tm))
#else
#define SFPOLL(pfd,n,tm) poll((ulong)(n),(pfd),(tm))
#endif
#endif /*_lib_poll*/
#if _stream_peek
#include <stropts.h>
#endif
#if _socket_peek
#include <sys/socket.h>
#endif
/* to test for executable access mode of a file */
#ifndef X_OK
#define X_OK 01
#endif
/* alternative process forking */
#if _lib_vfork && !defined(fork) && !defined(__sparc) && !defined(__sparc__)
#if _hdr_vfork
#include <vfork.h>
#endif
#if _sys_vfork
#include <sys/vfork.h>
#endif
#define fork vfork
#endif
/* to get rid of pesky compiler warnings */
#if __STD_C
#define NOTUSED(x) (void)(x)
#else
#define NOTUSED(x) (&x,1)
#endif
/* Private flags in the "bits" field */
#define SF_MMAP 00000001 /* in memory mapping mode */
#define SF_BOTH 00000002 /* both read/write */
#define SF_HOLE 00000004 /* a hole of zero's was created */
#define SF_NULL 00000010 /* stream is /dev/null */
#define SF_SEQUENTIAL 00000020 /* sequential access */
#define SF_JUSTSEEK 00000040 /* just did a sfseek */
#define SF_PRIVATE 00000100 /* private stream to Sfio, no mutex */
#define SF_ENDING 00000200 /* no re-io on interrupts at closing */
#define SF_WIDE 00000400 /* in wide mode - stdio only */
#define SF_PUTR 00001000 /* in sfputr() */
/* "bits" flags that must be cleared in sfclrlock */
#define SF_TMPBITS 00170000
#define SF_DCDOWN 00010000 /* recurse down the discipline stack */
#define SF_WCFORMAT 00020000 /* wchar_t formatting - stdio only */
#if _has_multibyte
#define SFWCSET(f) ((f)->bits |= SF_WCFORMAT)
#define SFWCGET(f,v) (((v) = (f)->bits & SF_WCFORMAT), ((f)->bits &= ~SF_WCFORMAT) )
#else
#define SFWCSET(f)
#define SFWCGET(f,v)
#endif
#define SF_MVSIZE 00040000 /* f->size was reset in sfmove() */
#define SFMVSET(f) (((f)->size *= SF_NMAP), ((f)->bits |= SF_MVSIZE) )
#define SFMVUNSET(f) (!((f)->bits&SF_MVSIZE) ? 0 : \
(((f)->bits &= ~SF_MVSIZE), ((f)->size /= SF_NMAP)) )
#define SFCLRBITS(f) (SFMVUNSET(f), ((f)->bits &= ~SF_TMPBITS) )
/* bits for the mode field, SF_INIT defined in sfio_t.h */
#define SF_RC 00000010 /* peeking for a record */
#define SF_RV 00000020 /* reserve without read or most write */
#define SF_LOCK 00000040 /* stream is locked for io op */
#define SF_PUSH 00000100 /* stream has been pushed */
#define SF_POOL 00000200 /* stream is in a pool but not current */
#define SF_PEEK 00000400 /* there is a pending peek */
#define SF_PKRD 00001000 /* did a peek read */
#define SF_GETR 00002000 /* did a getr on this stream */
#define SF_SYNCED 00004000 /* stream was synced */
#define SF_STDIO 00010000 /* given up the buffer to stdio */
#define SF_AVAIL 00020000 /* was closed, available for reuse */
#define SF_LOCAL 00100000 /* sentinel for a local call */
#ifdef DEBUG
#define ASSERT(p) ((p) ? 0 : (abort(),0) )
#else
#define ASSERT(p)
#endif
/* short-hands */
#define NIL(t) ((t)0)
#define reg register
#ifndef uchar
#define uchar unsigned char
#endif
#ifndef ulong
#define ulong unsigned long
#endif
#ifndef uint
#define uint unsigned int
#endif
#ifndef ushort
#define ushort unsigned short
#endif
#define SECOND 1000 /* millisecond units */
/* macros do determine stream types from sfstat_t data */
#ifndef S_IFDIR
#define S_IFDIR 0
#endif
#ifndef S_IFREG
#define S_IFREG 0
#endif
#ifndef S_IFCHR
#define S_IFCHR 0
#endif
#ifndef S_IFIFO
#define S_IFIFO 0
#endif
#ifndef S_ISOCK
#define S_ISOCK 0
#endif
#ifndef S_IFMT
#define S_IFMT (S_IFDIR|S_IFREG|S_IFCHR|S_IFIFO|S_ISOCK)
#endif
#ifndef S_ISDIR
#define S_ISDIR(m) (((m)&S_IFMT) == S_IFDIR)
#endif
#ifndef S_ISREG
#define S_ISREG(m) (((m)&S_IFMT) == S_IFREG)
#endif
#ifndef S_ISCHR
#define S_ISCHR(m) (((m)&S_IFMT) == S_IFCHR)
#endif
#ifndef S_ISFIFO
# if S_IFIFO
# define S_ISFIFO(m) (((m)&S_IFMT) == S_IFIFO)
# else
# define S_ISFIFO(m) (0)
# endif
#endif
#ifdef S_IRUSR
#define SF_CREATMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)
#else
#define SF_CREATMODE 0666
#endif
/* set close-on-exec */
#ifdef F_SETFD
# ifndef FD_CLOEXEC
# define FD_CLOEXEC 1
# endif /*FD_CLOEXEC*/
# define SETCLOEXEC(fd) ((void)fcntl((fd),F_SETFD,FD_CLOEXEC))
#else
# ifdef FIOCLEX
# define SETCLOEXEC(fd) ((void)ioctl((fd),FIOCLEX,0))
# else
# define SETCLOEXEC(fd)
# endif /*FIOCLEX*/
#endif /*F_SETFD*/
#define SF_FD_CLOEXEC 0x0001
/* a couple of error number that we use, default values are like Linux */
#ifndef EINTR
#define EINTR 4
#endif
#ifndef EBADF
#define EBADF 9
#endif
#ifndef EAGAIN
#define EAGAIN 11
#endif
#ifndef ENOMEM
#define ENOMEM 12
#endif
#ifndef EINVAL
#define EINVAL 22
#endif
#ifndef ESPIPE
#define ESPIPE 29
#endif
/* function to get the decimal point for local environment */
#if !defined(SFSETLOCALE) && _PACKAGE_ast
#include "lclib.h"
#define SFSETLOCALE(dp,tp) \
do if (*(dp) == 0) { \
Lc_numeric_t* lv = (Lc_numeric_t*)LCINFO(AST_LC_NUMERIC)->data; \
*(dp) = lv->decimal; \
*(tp) = lv->thousand; \
} while (0)
#endif /*!defined(SFSETLOCALE) && _PACKAGE_ast*/
#if !defined(SFSETLOCALE) && _lib_locale
#include <locale.h>
#define SFSETLOCALE(decimal,thousand) \
do { struct lconv* lv; \
if(*(decimal) == 0) \
{ *(decimal) = '.'; \
*(thousand) = -1; \
if((lv = localeconv())) \
{ if(lv->decimal_point && *lv->decimal_point) \
*(decimal) = *(unsigned char*)lv->decimal_point; \
if(lv->thousands_sep && *lv->thousands_sep) \
*(thousand) = *(unsigned char*)lv->thousands_sep; \
} \
} \
} while (0)
#endif /*!defined(SFSETLOCALE) && _lib_locale*/
#if !defined(SFSETLOCALE)
#define SFSETLOCALE(decimal,thousand) (*(decimal)='.',*(thousand)=-1)
#endif
/* stream pool structure. */
typedef struct _sfpool_s Sfpool_t;
struct _sfpool_s
{ Sfpool_t* next;
int mode; /* type of pool */
int s_sf; /* size of pool array */
int n_sf; /* number currently in pool */
Sfio_t** sf; /* array of streams */
Sfio_t* array[3]; /* start with 3 */
Vtmutex_t mutex; /* mutex lock object */
};
/* reserve buffer structure */
typedef struct _sfrsrv_s Sfrsrv_t;
struct _sfrsrv_s
{ ssize_t slen; /* last string length */
ssize_t size; /* buffer size */
uchar data[1]; /* data buffer */
};
/* co-process structure */
typedef struct _sfproc_s Sfproc_t;
struct _sfproc_s
{ int pid; /* process id */
uchar* rdata; /* read data being cached */
int ndata; /* size of cached data */
int size; /* buffer size */
int file; /* saved file descriptor */
int sigp; /* sigpipe protection needed */
};
/* extensions to sfvprintf/sfvscanf */
#define FP_SET(fp,fn) (fp < 0 ? (fn += 1) : (fn = fp) )
#define FP_WIDTH 0
#define FP_PRECIS 1
#define FP_BASE 2
#define FP_STR 3
#define FP_SIZE 4
#define FP_INDEX 5 /* index size */
typedef struct _fmt_s Fmt_t;
typedef struct _fmtpos_s Fmtpos_t;
typedef union
{ int i, *ip;
long l, *lp;
short h, *hp;
uint ui;
ulong ul;
ushort uh;
Sflong_t ll, *llp;
Sfulong_t lu;
Sfdouble_t ld;
double d;
float f;
#if _has_multibyte
wchar_t wc;
wchar_t *ws, **wsp;
#endif
char c, *s, **sp;
uchar uc, *us, **usp;
Void_t *vp;
Sffmt_t *ft;
} Argv_t;
struct _fmt_s
{ char* form; /* format string */
va_list args; /* corresponding arglist */
SFMBDCL(mbs) /* multibyte parsing state */
char* oform; /* original format string */
va_list oargs; /* original arg list */
int argn; /* number of args already used */
Fmtpos_t* fp; /* position list */
Sffmt_t* ft; /* formatting environment */
Sffmtevent_f eventf; /* event function */
Fmt_t* next; /* stack frame pointer */
};
struct _fmtpos_s
{ Sffmt_t ft; /* environment */
Argv_t argv; /* argument value */
int fmt; /* original format */
int need[FP_INDEX]; /* positions depending on */
};
#define LEFTP '('
#define RIGHTP ')'
#define QUOTE '\''
#ifndef CHAR_BIT
#define CHAR_BIT 8
#endif
#define FMTSET(ft, frm,ags, fv, sz, flgs, wid,pr,bs, ts,ns) \
((ft->form = (char*)frm), va_copy(ft->args,ags), \
(ft->fmt = fv), (ft->size = sz), \
(ft->flags = (flgs&SFFMT_SET)), \
(ft->width = wid), (ft->precis = pr), (ft->base = bs), \
(ft->t_str = ts), (ft->n_str = ns) )
#define FMTGET(ft, frm,ags, fv, sz, flgs, wid,pr,bs) \
((frm = ft->form), va_copy(ags,ft->args), \
(fv = ft->fmt), (sz = ft->size), \
(flgs = (flgs&~(SFFMT_SET))|(ft->flags&SFFMT_SET)), \
(wid = ft->width), (pr = ft->precis), (bs = ft->base) )
/* format flags&types, must coexist with those in sfio.h */
#define SFFMT_FORBIDDEN 000077777777 /* for sfio.h only */
#define SFFMT_EFORMAT 001000000000 /* sfcvt converting %e */
#define SFFMT_MINUS 002000000000 /* minus sign */
#define SFFMT_AFORMAT 004000000000 /* sfcvt converting %a */
#define SFFMT_UPPER 010000000000 /* sfcvt converting upper */
#define SFFMT_TYPES (SFFMT_SHORT|SFFMT_SSHORT | SFFMT_LONG|SFFMT_LLONG|\
SFFMT_LDOUBLE | SFFMT_IFLAG|SFFMT_JFLAG| \
SFFMT_TFLAG | SFFMT_ZFLAG )
/* type of elements to be converted */
#define SFFMT_INT 001 /* %d,%i */
#define SFFMT_UINT 002 /* %u,o,x etc. */
#define SFFMT_FLOAT 004 /* %f,e,g etc. */
#define SFFMT_CHAR 010 /* %c,C */
#define SFFMT_POINTER 020 /* %p,n,s,S */
#define SFFMT_CLASS 040 /* %[ */
/* local variables used across sf-functions */
typedef void (*Sfnotify_f)_ARG_((Sfio_t*, int, void*));
#define _Sfpage (_Sfextern.sf_page)
#define _Sfpool (_Sfextern.sf_pool)
#define _Sfpmove (_Sfextern.sf_pmove)
#define _Sfstack (_Sfextern.sf_stack)
#define _Sfnotify (_Sfextern.sf_notify)
#define _Sfstdsync (_Sfextern.sf_stdsync)
#define _Sfudisc (&(_Sfextern.sf_udisc))
#define _Sfcleanup (_Sfextern.sf_cleanup)
#define _Sfexiting (_Sfextern.sf_exiting)
#define _Sfdone (_Sfextern.sf_done)
#define _Sfonce (_Sfextern.sf_once)
#define _Sfoncef (_Sfextern.sf_oncef)
#define _Sfmutex (_Sfextern.sf_mutex)
typedef struct _sfextern_s
{ ssize_t sf_page;
struct _sfpool_s sf_pool;
int (*sf_pmove)_ARG_((Sfio_t*, int));
Sfio_t* (*sf_stack)_ARG_((Sfio_t*, Sfio_t*));
void (*sf_notify)_ARG_((Sfio_t*, int, void*));
int (*sf_stdsync)_ARG_((Sfio_t*));
struct _sfdisc_s sf_udisc;
void (*sf_cleanup)_ARG_((void));
int sf_exiting;
int sf_done;
Vtonce_t* sf_once;
void (*sf_oncef)_ARG_((void));
Vtmutex_t* sf_mutex;
} Sfextern_t;
/* get the real value of a byte in a coded long or ulong */
#define SFUVALUE(v) (((ulong)(v))&(SF_MORE-1))
#define SFSVALUE(v) ((( long)(v))&(SF_SIGN-1))
#define SFBVALUE(v) (((ulong)(v))&(SF_BYTE-1))
/* pick this many bits in each iteration of double encoding */
#define SF_PRECIS 7
/* grain size for buffer increment */
#define SF_GRAIN 1024
#define SF_PAGE ((ssize_t)(SF_GRAIN*sizeof(int)*2))
/* when the buffer is empty, certain io requests may be better done directly
on the given application buffers. The below condition determines when.
*/
#define SFDIRECT(f,n) (((ssize_t)(n) >= (f)->size) || \
((n) >= SF_GRAIN && (ssize_t)(n) >= (f)->size/16 ) )
/* number of pages to memory map at a time */
#if _ptr_bits >= 64
#define SF_NMAP 1024
#else
#define SF_NMAP 32
#endif
#ifndef MAP_VARIABLE
#define MAP_VARIABLE 0
#endif
#ifndef _mmap_fixed
#define _mmap_fixed 0
#endif
/* set/unset sequential states for mmap */
#if _lib_madvise && defined(MADV_SEQUENTIAL) && defined(MADV_NORMAL)
#define SFMMSEQON(f,a,s) \
do { int oerrno = errno; \
(void)madvise((caddr_t)(a),(size_t)(s),MADV_SEQUENTIAL); \
errno = oerrno; \
} while(0)
#define SFMMSEQOFF(f,a,s) \
do { int oerrno = errno; \
(void)madvise((caddr_t)(a),(size_t)(s),MADV_NORMAL); \
errno = oerrno; \
} while(0)
#else
#define SFMMSEQON(f,a,s)
#define SFMMSEQOFF(f,a,s)
#endif
#define SFMUNMAP(f,a,s) (sysmunmapf((caddr_t)(a),(size_t)(s)), \
((f)->endb = (f)->endr = (f)->endw = (f)->next = \
(f)->data = NIL(uchar*)) )
/* safe closing function */
#define CLOSE(f) { while(sysclosef(f) < 0 && errno == EINTR) errno = 0; }
/* the bottomless bit bucket */
#define DEVNULL "/dev/null"
#define SFSETNULL(f) ((f)->extent = (Sfoff_t)(-1), (f)->bits |= SF_NULL)
#define SFISNULL(f) ((f)->extent < 0 && ((f)->bits&SF_NULL) )
#define SFKILL(f) ((f)->mode = (SF_AVAIL|SF_LOCK) )
#define SFKILLED(f) (((f)->mode&(SF_AVAIL|SF_LOCK)) == (SF_AVAIL|SF_LOCK) )
/* exception types */
#define SF_EDONE 0 /* stop this operation and return */
#define SF_EDISC 1 /* discipline says it's ok */
#define SF_ESTACK 2 /* stack was popped */
#define SF_ECONT 3 /* can continue normally */
#define SETLOCAL(f) ((f)->mode |= SF_LOCAL)
#define GETLOCAL(f,v) ((v) = ((f)->mode&SF_LOCAL), (f)->mode &= ~SF_LOCAL, (v))
#define SFWRALL(f) ((f)->mode |= SF_RV)
#define SFISALL(f,v) ((((v) = (f)->mode&SF_RV) ? ((f)->mode &= ~SF_RV) : 0), \
((v) || ((f)->flags&(SF_SHARE|SF_APPENDWR|SF_WHOLE)) ) )
#define SFSK(f,a,o,d) (SETLOCAL(f),sfsk(f,(Sfoff_t)a,o,d))
#define SFRD(f,b,n,d) (SETLOCAL(f),sfrd(f,(Void_t*)b,n,d))
#define SFWR(f,b,n,d) (SETLOCAL(f),sfwr(f,(Void_t*)b,n,d))
#define SFSYNC(f) (SETLOCAL(f),sfsync(f))
#define SFCLOSE(f) (SETLOCAL(f),sfclose(f))
#define SFFLSBUF(f,n) (SETLOCAL(f),_sfflsbuf(f,n))
#define SFFILBUF(f,n) (SETLOCAL(f),_sffilbuf(f,n))
#define SFSETBUF(f,s,n) (SETLOCAL(f),sfsetbuf(f,s,n))
#define SFWRITE(f,s,n) (SETLOCAL(f),sfwrite(f,s,n))
#define SFREAD(f,s,n) (SETLOCAL(f),sfread(f,s,n))
#define SFSEEK(f,p,t) (SETLOCAL(f),sfseek(f,p,t))
#define SFNPUTC(f,c,n) (SETLOCAL(f),sfnputc(f,c,n))
#define SFRAISE(f,e,d) (SETLOCAL(f),sfraise(f,e,d))
/* lock/open a stream */
#define SFMODE(f,l) ((f)->mode & ~(SF_RV|SF_RC|((l) ? SF_LOCK : 0)) )
#define SFLOCK(f,l) (void)((f)->mode |= SF_LOCK, (f)->endr = (f)->endw = (f)->data)
#define _SFOPENRD(f) ((f)->endr = ((f)->flags&SF_MTSAFE) ? (f)->data : (f)->endb)
#define _SFOPENWR(f) ((f)->endw = ((f)->flags&(SF_MTSAFE|SF_LINE)) ? (f)->data : (f)->endb)
#define _SFOPEN(f) ((f)->mode == SF_READ ? _SFOPENRD(f) : \
(f)->mode == SF_WRITE ? _SFOPENWR(f) : \
((f)->endw = (f)->endr = (f)->data) )
#define SFOPEN(f,l) (void)((l) ? 0 : \
((f)->mode &= ~(SF_LOCK|SF_RC|SF_RV), _SFOPEN(f), 0) )
/* check to see if the stream can be accessed */
#define SFFROZEN(f) (((f)->mode&(SF_PUSH|SF_LOCK|SF_PEEK)) ? 1 : \
!((f)->mode&SF_STDIO) ? 0 : \
_Sfstdsync ? (*_Sfstdsync)(f) : (((f)->mode &= ~SF_STDIO),0) )
/* set discipline code */
#define SFDISC(f,dc,iof) \
{ Sfdisc_t* d; \
if(!(dc)) \
d = (dc) = (f)->disc; \
else d = (f->bits&SF_DCDOWN) ? ((dc) = (dc)->disc) : (dc); \
while(d && !(d->iof)) d = d->disc; \
if(d) (dc) = d; \
}
#define SFDCRD(f,buf,n,dc,rv) \
{ int dcdown = f->bits&SF_DCDOWN; f->bits |= SF_DCDOWN; \
rv = (*dc->readf)(f,buf,n,dc); \
if(!dcdown) f->bits &= ~SF_DCDOWN; \
}
#define SFDCWR(f,buf,n,dc,rv) \
{ int dcdown = f->bits&SF_DCDOWN; f->bits |= SF_DCDOWN; \
rv = (*dc->writef)(f,buf,n,dc); \
if(!dcdown) f->bits &= ~SF_DCDOWN; \
}
#define SFDCSK(f,addr,type,dc,rv) \
{ int dcdown = f->bits&SF_DCDOWN; f->bits |= SF_DCDOWN; \
rv = (*dc->seekf)(f,addr,type,dc); \
if(!dcdown) f->bits &= ~SF_DCDOWN; \
}
/* fast peek of a stream */
#define _SFAVAIL(f,s,n) ((n) = (f)->endb - ((s) = (f)->next) )
#define SFRPEEK(f,s,n) (_SFAVAIL(f,s,n) > 0 ? (n) : \
((n) = SFFILBUF(f,-1), (s) = (f)->next, (n)) )
#define SFWPEEK(f,s,n) (_SFAVAIL(f,s,n) > 0 ? (n) : \
((n) = SFFLSBUF(f,-1), (s) = (f)->next, (n)) )
/* more than this for a line buffer, we might as well flush */
#define HIFORLINE 128
/* string stream extent */
#define SFSTRSIZE(f) { Sfoff_t s = (f)->next - (f)->data; \
if(s > (f)->here) \
{ (f)->here = s; if(s > (f)->extent) (f)->extent = s; } \
}
/* control flags for open() */
#ifdef O_CREAT
#define _has_oflags 1
#else /* for example, research UNIX */
#define _has_oflags 0
#define O_CREAT 004
#define O_TRUNC 010
#define O_APPEND 020
#define O_EXCL 040
#ifndef O_RDONLY
#define O_RDONLY 000
#endif
#ifndef O_WRONLY
#define O_WRONLY 001
#endif
#ifndef O_RDWR
#define O_RDWR 002
#endif
#endif /*O_CREAT*/
#ifndef O_BINARY
#define O_BINARY 000