2 #pragma src "/sys/src/libc"
4 #define nelem(x) (sizeof(x)/sizeof((x)[0]))
5 #define offsetof(s, m) (ulong)(&(((s*)0)->m))
6 #define assert(x) if(x){}else _assert("x")
11 extern void* memccpy(void*, void*, int, ulong);
12 extern void* memset(void*, int, ulong);
13 extern int memcmp(void*, void*, ulong);
14 extern void* memcpy(void*, void*, ulong);
15 extern void* memmove(void*, void*, ulong);
16 extern void* memchr(void*, int, ulong);
21 extern char* strcat(char*, char*);
22 extern char* strchr(char*, int);
23 extern int strcmp(char*, char*);
24 extern char* strcpy(char*, char*);
25 extern char* strecpy(char*, char*, char*);
26 extern char* strdup(char*);
27 extern char* strncat(char*, char*, long);
28 extern char* strncpy(char*, char*, long);
29 extern int strncmp(char*, char*, long);
30 extern char* strpbrk(char*, char*);
31 extern char* strrchr(char*, int);
32 extern char* strtok(char*, char*);
33 extern long strlen(char*);
34 extern long strspn(char*, char*);
35 extern long strcspn(char*, char*);
36 extern char* strstr(char*, char*);
37 extern int cistrncmp(char*, char*, int);
38 extern int cistrcmp(char*, char*);
39 extern char* cistrstr(char*, char*);
40 extern int tokenize(char*, char**, int);
44 UTFmax = 3, /* maximum bytes per rune */
45 Runesync = 0x80, /* cannot represent part of a UTF sequence (<) */
46 Runeself = 0x80, /* rune and UTF sequences are the same (<) */
47 Runeerror = 0xFFFD, /* decoding error in UTF */
48 Runemax = 0xFFFF, /* 16 bit rune */
54 extern int runetochar(char*, Rune*);
55 extern int chartorune(Rune*, char*);
56 extern int runelen(long);
57 extern int runenlen(Rune*, int);
58 extern int fullrune(char*, int);
59 extern int utflen(char*);
60 extern int utfnlen(char*, long);
61 extern char* utfrune(char*, long);
62 extern char* utfrrune(char*, long);
63 extern char* utfutf(char*, char*);
64 extern char* utfecpy(char*, char*, char*);
66 extern Rune* runestrcat(Rune*, Rune*);
67 extern Rune* runestrchr(Rune*, Rune);
68 extern int runestrcmp(Rune*, Rune*);
69 extern Rune* runestrcpy(Rune*, Rune*);
70 extern Rune* runestrncpy(Rune*, Rune*, long);
71 extern Rune* runestrecpy(Rune*, Rune*, Rune*);
72 extern Rune* runestrdup(Rune*);
73 extern Rune* runestrncat(Rune*, Rune*, long);
74 extern int runestrncmp(Rune*, Rune*, long);
75 extern Rune* runestrrchr(Rune*, Rune);
76 extern long runestrlen(Rune*);
77 extern Rune* runestrstr(Rune*, Rune*);
79 extern Rune tolowerrune(Rune);
80 extern Rune totitlerune(Rune);
81 extern Rune toupperrune(Rune);
82 extern int isalpharune(Rune);
83 extern int islowerrune(Rune);
84 extern int isspacerune(Rune);
85 extern int istitlerune(Rune);
86 extern int isupperrune(Rune);
87 extern int isdigitrune(Rune);
92 extern void* malloc(ulong);
93 extern void* mallocz(ulong, int);
94 extern void free(void*);
95 extern ulong msize(void*);
96 extern void* mallocalign(ulong, ulong, long, ulong);
97 extern void* calloc(ulong, ulong);
98 extern void* realloc(void*, ulong);
99 extern void setmalloctag(void*, ulong);
100 extern void setrealloctag(void*, ulong);
101 extern ulong getmalloctag(void*);
102 extern ulong getrealloctag(void*);
103 extern void* malloctopoolblock(void*);
108 typedef struct Fmt Fmt;
110 uchar runes; /* output buffer is runes or chars? */
111 void *start; /* of buffer */
112 void *to; /* current place in the buffer */
113 void *stop; /* end of the buffer; overwritten if flush fails */
114 int (*flush)(Fmt *); /* called when to == stop */
115 void *farg; /* to make flush a closure */
116 int nfmt; /* num chars formatted so far */
117 va_list args; /* args passed to dofmt */
118 int r; /* % format Rune */
126 FmtLeft = FmtWidth << 1,
127 FmtPrec = FmtLeft << 1,
128 FmtSharp = FmtPrec << 1,
129 FmtSpace = FmtSharp << 1,
130 FmtSign = FmtSpace << 1,
131 FmtZero = FmtSign << 1,
132 FmtUnsigned = FmtZero << 1,
133 FmtShort = FmtUnsigned << 1,
134 FmtLong = FmtShort << 1,
135 FmtVLong = FmtLong << 1,
136 FmtComma = FmtVLong << 1,
137 FmtByte = FmtComma << 1,
139 FmtFlag = FmtByte << 1
142 extern int print(char*, ...);
143 extern char* seprint(char*, char*, char*, ...);
144 extern char* vseprint(char*, char*, char*, va_list);
145 extern int snprint(char*, int, char*, ...);
146 extern int vsnprint(char*, int, char*, va_list);
147 extern char* smprint(char*, ...);
148 extern char* vsmprint(char*, va_list);
149 extern int sprint(char*, char*, ...);
150 extern int fprint(int, char*, ...);
151 extern int vfprint(int, char*, va_list);
153 extern int runesprint(Rune*, char*, ...);
154 extern int runesnprint(Rune*, int, char*, ...);
155 extern int runevsnprint(Rune*, int, char*, va_list);
156 extern Rune* runeseprint(Rune*, Rune*, char*, ...);
157 extern Rune* runevseprint(Rune*, Rune*, char*, va_list);
158 extern Rune* runesmprint(char*, ...);
159 extern Rune* runevsmprint(char*, va_list);
161 extern int fmtfdinit(Fmt*, int, char*, int);
162 extern int fmtfdflush(Fmt*);
163 extern int fmtstrinit(Fmt*);
164 extern char* fmtstrflush(Fmt*);
165 extern int runefmtstrinit(Fmt*);
166 extern Rune* runefmtstrflush(Fmt*);
168 #pragma varargck argpos fmtprint 2
169 #pragma varargck argpos fprint 2
170 #pragma varargck argpos print 1
171 #pragma varargck argpos runeseprint 3
172 #pragma varargck argpos runesmprint 1
173 #pragma varargck argpos runesnprint 3
174 #pragma varargck argpos runesprint 2
175 #pragma varargck argpos seprint 3
176 #pragma varargck argpos smprint 1
177 #pragma varargck argpos snprint 3
178 #pragma varargck argpos sprint 2
180 #pragma varargck type "lld" vlong
181 #pragma varargck type "llo" vlong
182 #pragma varargck type "llx" vlong
183 #pragma varargck type "llb" vlong
184 #pragma varargck type "lld" uvlong
185 #pragma varargck type "llo" uvlong
186 #pragma varargck type "llx" uvlong
187 #pragma varargck type "llb" uvlong
188 #pragma varargck type "ld" long
189 #pragma varargck type "lo" long
190 #pragma varargck type "lx" long
191 #pragma varargck type "lb" long
192 #pragma varargck type "ld" ulong
193 #pragma varargck type "lo" ulong
194 #pragma varargck type "lx" ulong
195 #pragma varargck type "lb" ulong
196 #pragma varargck type "d" int
197 #pragma varargck type "o" int
198 #pragma varargck type "x" int
199 #pragma varargck type "c" int
200 #pragma varargck type "C" int
201 #pragma varargck type "b" int
202 #pragma varargck type "d" uint
203 #pragma varargck type "x" uint
204 #pragma varargck type "c" uint
205 #pragma varargck type "C" uint
206 #pragma varargck type "b" uint
207 #pragma varargck type "f" double
208 #pragma varargck type "e" double
209 #pragma varargck type "g" double
210 #pragma varargck type "s" char*
211 #pragma varargck type "q" char*
212 #pragma varargck type "S" Rune*
213 #pragma varargck type "Q" Rune*
214 #pragma varargck type "r" void
215 #pragma varargck type "%" void
216 #pragma varargck type "n" int*
217 #pragma varargck type "p" uintptr
218 #pragma varargck type "p" void*
219 #pragma varargck flag ','
220 #pragma varargck flag ' '
221 #pragma varargck flag 'h'
222 #pragma varargck type "<" void*
223 #pragma varargck type "[" void*
224 #pragma varargck type "H" void*
225 #pragma varargck type "lH" void*
227 extern int fmtinstall(int, int (*)(Fmt*));
228 extern int dofmt(Fmt*, char*);
229 extern int dorfmt(Fmt*, Rune*);
230 extern int fmtprint(Fmt*, char*, ...);
231 extern int fmtvprint(Fmt*, char*, va_list);
232 extern int fmtrune(Fmt*, int);
233 extern int fmtstrcpy(Fmt*, char*);
234 extern int fmtrunestrcpy(Fmt*, Rune*);
236 * error string for %r
237 * supplied on per os basis, not part of fmt library
239 extern int errfmt(Fmt *f);
244 extern char *unquotestrdup(char*);
245 extern Rune *unquoterunestrdup(Rune*);
246 extern char *quotestrdup(char*);
247 extern Rune *quoterunestrdup(Rune*);
248 extern int quotestrfmt(Fmt*);
249 extern int quoterunestrfmt(Fmt*);
250 extern void quotefmtinstall(void);
251 extern int (*doquote)(int);
252 extern int needsrcquote(int);
257 extern void srand(long);
258 extern int rand(void);
259 extern int nrand(int);
260 extern long lrand(void);
261 extern long lnrand(long);
262 extern double frand(void);
263 extern ulong truerand(void); /* uses /dev/random */
264 extern ulong ntruerand(ulong); /* uses /dev/random */
269 extern ulong getfcr(void);
270 extern void setfsr(ulong);
271 extern ulong getfsr(void);
272 extern void setfcr(ulong);
273 extern double NaN(void);
274 extern double Inf(int);
275 extern int isNaN(double);
276 extern int isInf(double, int);
277 extern ulong umuldiv(ulong, ulong, ulong);
278 extern long muldiv(long, long, long);
280 extern double pow(double, double);
281 extern double atan2(double, double);
282 extern double fabs(double);
283 extern double atan(double);
284 extern double log(double);
285 extern double log10(double);
286 extern double exp(double);
287 extern double floor(double);
288 extern double ceil(double);
289 extern double hypot(double, double);
290 extern double sin(double);
291 extern double cos(double);
292 extern double tan(double);
293 extern double asin(double);
294 extern double acos(double);
295 extern double sinh(double);
296 extern double cosh(double);
297 extern double tanh(double);
298 extern double sqrt(double);
299 extern double fmod(double, double);
301 #define HUGE 3.4028234e38
302 #define PIO2 1.570796326794896619231e0
303 #define PI (PIO2+PIO2)
324 extern Tm* gmtime(long);
325 extern Tm* localtime(long);
326 extern char* asctime(Tm*);
327 extern char* ctime(long);
328 extern double cputime(void);
329 extern long times(long*);
330 extern long tm2sec(Tm*);
331 extern vlong nsec(void);
333 extern void cycles(uvlong*); /* 64-bit value of the cycle counter if there is one, 0 if there isn't */
344 extern void _assert(char*);
346 extern int atexit(void(*)(void));
347 extern void atexitdont(void(*)(void));
348 extern int atnotify(int(*)(void*, char*), int);
349 extern double atof(char*);
350 extern int atoi(char*);
351 extern long atol(char*);
352 extern vlong atoll(char*);
353 extern double charstod(int(*)(void*), void*);
354 extern char* cleanname(char*);
355 extern int decrypt(void*, void*, int);
356 extern int encrypt(void*, void*, int);
357 extern int dec64(uchar*, int, char*, int);
358 extern int enc64(char*, int, uchar*, int);
359 extern int dec32(uchar*, int, char*, int);
360 extern int enc32(char*, int, uchar*, int);
361 extern int dec16(uchar*, int, char*, int);
362 extern int enc16(char*, int, uchar*, int);
363 extern int encodefmt(Fmt*);
364 extern void exits(char*);
365 extern double frexp(double, int*);
366 extern uintptr getcallerpc(void*);
367 extern char* getenv(char*);
368 extern int getfields(char*, char**, int, int, char*);
369 extern int gettokens(char *, char **, int, char *);
370 extern char* getuser(void);
371 extern char* getwd(char*, int);
372 extern int iounit(int);
373 extern long labs(long);
374 extern double ldexp(double, int);
375 extern void longjmp(jmp_buf, int);
376 extern char* mktemp(char*);
377 extern double modf(double, double*);
378 extern int netcrypt(void*, void*);
379 extern void notejmp(void*, jmp_buf, int);
380 extern void perror(char*);
381 extern int postnote(int, int, char *);
382 extern double pow10(int);
383 extern int putenv(char*, char*);
384 extern void qsort(void*, long, long, int (*)(void*, void*));
385 extern int setjmp(jmp_buf);
386 extern double strtod(char*, char**);
387 extern long strtol(char*, char**, int);
388 extern ulong strtoul(char*, char**, int);
389 extern vlong strtoll(char*, char**, int);
390 extern uvlong strtoull(char*, char**, int);
391 extern void sysfatal(char*, ...);
392 #pragma varargck argpos sysfatal 1
393 extern void syslog(int, char*, char*, ...);
394 #pragma varargck argpos syslog 3
395 extern long time(long*);
396 extern int tolower(int);
397 extern int toupper(int);
403 Profoff, /* No profiling */
404 Profuser, /* Measure user time only (default) */
405 Profkernel, /* Measure user + kernel time */
406 Proftime, /* Measure total time */
407 Profsample, /* Use clock interrupt to sample (default when there is no cycle counter) */
409 extern void prof(void (*fn)(void*), void *arg, int entries, int what);
419 extern int _tas(int*);
421 extern void lock(Lock*);
422 extern void unlock(Lock*);
423 extern int canlock(Lock*);
425 typedef struct QLp QLp;
442 extern void qlock(QLock*);
443 extern void qunlock(QLock*);
444 extern int canqlock(QLock*);
445 extern void _qlockinit(void* (*)(void*, void*)); /* called only by the thread library */
451 int readers; /* number of readers */
452 int writer; /* number of writers */
453 QLp *head; /* list of waiting processes */
457 extern void rlock(RWLock*);
458 extern void runlock(RWLock*);
459 extern int canrlock(RWLock*);
460 extern void wlock(RWLock*);
461 extern void wunlock(RWLock*);
462 extern int canwlock(RWLock*);
472 extern void rsleep(Rendez*); /* unlocks r->l, sleeps, locks r->l again */
473 extern int rwakeup(Rendez*);
474 extern int rwakeupall(Rendez*);
475 extern void** privalloc(void);
476 extern void privfree(void**);
481 #define NETPATHLEN 40
482 extern int accept(int, char*);
483 extern int announce(char*, char*);
484 extern int dial(char*, char*, char*, int*);
485 extern void setnetmtpt(char*, int, char*);
486 extern int hangup(int);
487 extern int listen(char*, char*);
488 extern char* netmkaddr(char*, char*, char*);
489 extern int reject(int, char*, char*);
494 extern int pushssl(int, char*, char*, char*, int*);
495 extern int pushtls(int, char*, char*, int, char*, char*);
500 typedef struct NetConnInfo NetConnInfo;
503 char *dir; /* connection directory */
504 char *root; /* network root */
505 char *spec; /* binding spec */
506 char *lsys; /* local system */
507 char *lserv; /* local service */
508 char *rsys; /* remote system */
509 char *rserv; /* remote service */
510 char *laddr; /* local address */
511 char *raddr; /* remote address */
513 extern NetConnInfo* getnetconninfo(char*, int);
514 extern void freenetconninfo(NetConnInfo*);
520 #define STATMAX 65535U /* max length of machine-independent stat structure */
521 #define DIRMAX (sizeof(Dir)+STATMAX) /* max length of Dir structure */
522 #define ERRMAX 128 /* max length of error string */
524 #define MORDER 0x0003 /* mask for bits defining order of mounting */
525 #define MREPL 0x0000 /* mount replaces object */
526 #define MBEFORE 0x0001 /* mount goes before others in union directory */
527 #define MAFTER 0x0002 /* mount goes after others in union directory */
528 #define MCREATE 0x0004 /* permit creation in mounted directory */
529 #define MCACHE 0x0010 /* cache some data */
530 #define MMASK 0x0017 /* all bits on */
532 #define OREAD 0 /* open for read */
533 #define OWRITE 1 /* write */
534 #define ORDWR 2 /* read and write */
535 #define OEXEC 3 /* execute, == read but check execute permission */
536 #define OTRUNC 16 /* or'ed in (except for exec), truncate file first */
537 #define OCEXEC 32 /* or'ed in, close on exec */
538 #define ORCLOSE 64 /* or'ed in, remove on close */
539 #define OEXCL 0x1000 /* or'ed in, exclusive use (create only) */
541 #define AEXIST 0 /* accessible: exists */
542 #define AEXEC 1 /* execute access */
543 #define AWRITE 2 /* write access */
544 #define AREAD 4 /* read access */
547 #define SG_RONLY 0040 /* read only */
548 #define SG_CEXEC 0100 /* detach on exec */
550 #define NCONT 0 /* continue after note */
551 #define NDFLT 1 /* terminate after note */
552 #define NSAVE 2 /* clear note but hold state */
553 #define NRSTR 3 /* restore saved state */
555 /* bits in Qid.type */
556 #define QTDIR 0x80 /* type bit for directories */
557 #define QTAPPEND 0x40 /* type bit for append only files */
558 #define QTEXCL 0x20 /* type bit for exclusive use files */
559 #define QTMOUNT 0x10 /* type bit for mounted channel */
560 #define QTAUTH 0x08 /* type bit for authentication file */
561 #define QTTMP 0x04 /* type bit for not-backed-up file */
562 #define QTFILE 0x00 /* plain file */
564 /* bits in Dir.mode */
565 #define DMDIR 0x80000000 /* mode bit for directories */
566 #define DMAPPEND 0x40000000 /* mode bit for append only files */
567 #define DMEXCL 0x20000000 /* mode bit for exclusive use files */
568 #define DMMOUNT 0x10000000 /* mode bit for mounted channel */
569 #define DMAUTH 0x08000000 /* mode bit for authentication file */
570 #define DMTMP 0x04000000 /* mode bit for non-backed-up files */
571 #define DMREAD 0x4 /* mode bit for read permission */
572 #define DMWRITE 0x2 /* mode bit for write permission */
573 #define DMEXEC 0x1 /* mode bit for execute permission */
602 /* system-modified data */
603 ushort type; /* server type */
604 uint dev; /* server subtype */
606 Qid qid; /* unique id from server */
607 ulong mode; /* permissions */
608 ulong atime; /* last read time */
609 ulong mtime; /* last write time */
610 vlong length; /* file length */
611 char *name; /* last element of path */
612 char *uid; /* owner name */
613 char *gid; /* group name */
614 char *muid; /* last modifier name */
617 /* keep /sys/src/ape/lib/ap/plan9/sys9.h in sync with this -rsc */
621 int pid; /* of loved one */
622 ulong time[3]; /* of loved one & descendants */
633 extern void _exits(char*);
635 extern void abort(void);
636 extern int access(char*, int);
637 extern long alarm(ulong);
638 extern int await(char*, int);
639 extern int bind(char*, char*, int);
640 extern int brk(void*);
641 extern int chdir(char*);
642 extern int close(int);
643 extern int create(char*, int, ulong);
644 extern int dup(int, int);
645 extern int errstr(char*, uint);
646 extern int exec(char*, char*[]);
647 extern int execl(char*, ...);
648 extern int fork(void);
649 extern int rfork(int);
650 extern int fauth(int, char*);
651 extern int fstat(int, uchar*, int);
652 extern int fwstat(int, uchar*, int);
653 extern int fversion(int, int, char*, int);
654 extern int mount(int, int, char*, int, char*);
655 extern int unmount(char*, char*);
656 extern int noted(int);
657 extern int notify(void(*)(void*, char*));
658 extern int open(char*, int);
659 extern int fd2path(int, char*, int);
660 extern int pipe(int*);
661 extern long pread(int, void*, long, vlong);
662 extern long preadv(int, IOchunk*, int, vlong);
663 extern long pwrite(int, void*, long, vlong);
664 extern long pwritev(int, IOchunk*, int, vlong);
665 extern long read(int, void*, long);
666 extern long readn(int, void*, long);
667 extern long readv(int, IOchunk*, int);
668 extern int remove(char*);
669 extern void* sbrk(ulong);
670 extern long oseek(int, long, int);
671 extern vlong seek(int, vlong, int);
672 extern void* segattach(int, char*, void*, ulong);
673 extern void* segbrk(void*, void*);
674 extern int segdetach(void*);
675 extern int segflush(void*, ulong);
676 extern int segfree(void*, ulong);
677 extern int semacquire(long*, int);
678 extern long semrelease(long*, long);
679 extern int sleep(long);
680 extern int stat(char*, uchar*, int);
681 extern int tsemacquire(long*, ulong);
682 extern Waitmsg* wait(void);
683 extern int waitpid(void);
684 extern long write(int, void*, long);
685 extern long writev(int, IOchunk*, int);
686 extern int wstat(char*, uchar*, int);
687 extern void* rendezvous(void*, void*);
689 extern Dir* dirstat(char*);
690 extern Dir* dirfstat(int);
691 extern int dirwstat(char*, Dir*);
692 extern int dirfwstat(int, Dir*);
693 extern long dirread(int, Dir**);
694 extern void nulldir(Dir*);
695 extern long dirreadall(int, Dir**);
696 extern int getpid(void);
697 extern int getppid(void);
698 extern void rerrstr(char*, uint);
699 extern char* sysname(void);
700 extern void werrstr(char*, ...);
701 #pragma varargck argpos werrstr 1
703 extern long ainc(long*);
704 extern long adec(long*);
707 #define ARGBEGIN for((argv0||(argv0=*argv)),argv++,argc--;\
708 argv[0] && argv[0][0]=='-' && argv[0][1];\
710 char *_args, *_argt;\
712 _args = &argv[0][1];\
713 if(_args[0]=='-' && _args[1]==0){\
714 argc--; argv++; break;\
717 while(*_args && (_args += chartorune(&_argc, _args)))\
719 #define ARGEND SET(_argt);USED(_argt,_argc,_args);}USED(argv, argc);
720 #define ARGF() (_argt=_args, _args="",\
721 (*_argt? _argt: argv[1]? (argc--, *++argv): 0))
722 #define EARGF(x) (_argt=_args, _args="",\
723 (*_argt? _argt: argv[1]? (argc--, *++argv): ((x), abort(), (char*)0)))
727 /* this is used by sbrk and brk, it's a really bad idea to redefine it */