forsyth20121205-174063a80cc13 years agoHistory
599 lines · 16.8 KB · C
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typedef unsigned long size_t; #define	nelem(x)	(sizeof(x)/sizeof((x)[0]))#define	offsetof(s, m)	(ulong)(&(((s*)0)->m))#define	assert(x)	if(x){}else _assert("x") /* * mem routines */extern	void*	memccpy(void*, void*, int, ulong);extern	void*	memset(void*, int, ulong);extern	int	memcmp(void*, void*, ulong);extern	void*	memcpy(void*, void*, ulong);extern	void*	memmove(void*, void*, ulong);extern	void*	memchr(void*, int, ulong); /* * string routines */extern	char*	strcat(char*, char*);extern	char*	strchr(char*, int);extern	int	strcmp(char*, char*);extern	char*	strcpy(char*, char*);extern	char*	strecpy(char*, char*, char*);extern	char*	strdup(char*);extern	char*	strncat(char*, char*, long);extern	char*	strncpy(char*, char*, long);extern	int	strncmp(char*, char*, long);extern	char*	strpbrk(char*, char*);extern	char*	strrchr(char*, int);extern	char*	strtok(char*, char*);extern	long	strlen(char*);extern	long	strspn(char*, char*);extern	long	strcspn(char*, char*);extern	char*	strstr(char*, char*);extern	int	cistrncmp(char*, char*, int);extern	int	cistrcmp(char*, char*);extern	char*	cistrstr(char*, char*);extern	int	tokenize(char*, char**, int); enum{	UTFmax		= 3,		/* maximum bytes per rune */	Runesync	= 0x80,		/* cannot represent part of a UTF sequence (<) */	Runeself	= 0x80,		/* rune and UTF sequences are the same (<) */	Runeerror	= 0x80,		/* decoding error in UTF */}; /* * rune routines */extern	int	runetochar(char*, Rune*);extern	int	chartorune(Rune*, char*);extern	int	runelen(long);extern	int	runenlen(Rune*, int);extern	int	fullrune(char*, int);extern	int	utflen(char*);extern	int	utfnlen(char*, long);extern	char*	utfrune(char*, long);extern	char*	utfrrune(char*, long);extern	char*	utfutf(char*, char*);extern	char*	utfecpy(char*, char*, char*); extern	Rune*	runestrcat(Rune*, Rune*);extern	Rune*	runestrchr(Rune*, Rune);extern	int	runestrcmp(Rune*, Rune*);extern	Rune*	runestrcpy(Rune*, Rune*);extern	Rune*	runestrncpy(Rune*, Rune*, long);extern	Rune*	runestrecpy(Rune*, Rune*, Rune*);extern	Rune*	runestrdup(Rune*);extern	Rune*	runestrncat(Rune*, Rune*, long);extern	int	runestrncmp(Rune*, Rune*, long);extern	Rune*	runestrrchr(Rune*, Rune);extern	long	runestrlen(Rune*);extern	Rune*	runestrstr(Rune*, Rune*); extern	Rune	tolowerrune(Rune);extern	Rune	totitlerune(Rune);extern	Rune	toupperrune(Rune);extern	int	isalpharune(Rune);extern	int	islowerrune(Rune);extern	int	isspacerune(Rune);extern	int	istitlerune(Rune);extern	int	isupperrune(Rune); /* * malloc */extern	void*	malloc(ulong);extern	void*	mallocz(ulong, int);extern	void	free(void*);extern	ulong	msize(void*);extern	void*	calloc(ulong, ulong);extern	void*	realloc(void*, ulong);extern	void		setmalloctag(void*, ulong);extern	void		setrealloctag(void*, ulong);extern	ulong	getmalloctag(void*);extern	ulong	getrealloctag(void*);extern	void*	malloctopoolblock(void*); /* * print routines */typedef struct Fmt	Fmt;struct Fmt{	uchar	runes;			/* output buffer is runes or chars? */	void	*start;			/* of buffer */	void	*to;			/* current place in the buffer */	void	*stop;			/* end of the buffer; overwritten if flush fails */	int	(*flush)(Fmt *);	/* called when to == stop */	void	*farg;			/* to make flush a closure */	int	nfmt;			/* num chars formatted so far */	va_list	args;			/* args passed to dofmt */	int	r;			/* % format Rune */	int	width;	int	prec;	ulong	flags;}; enum{	FmtWidth	= 1,	FmtLeft		= FmtWidth << 1,	FmtPrec		= FmtLeft << 1,	FmtSharp	= FmtPrec << 1,	FmtSpace	= FmtSharp << 1,	FmtSign		= FmtSpace << 1,	FmtZero		= FmtSign << 1,	FmtUnsigned	= FmtZero << 1,	FmtShort	= FmtUnsigned << 1,	FmtLong		= FmtShort << 1,	FmtVLong	= FmtLong << 1,	FmtComma	= FmtVLong << 1,	FmtByte	= FmtComma << 1, 	FmtFlag		= FmtByte << 1}; extern	int	print(char*, ...);extern	char*	seprint(char*, char*, char*, ...);extern	char*	vseprint(char*, char*, char*, va_list);extern	int	snprint(char*, int, char*, ...);extern	int	vsnprint(char*, int, char*, va_list);extern	char*	smprint(char*, ...);extern	char*	vsmprint(char*, va_list);extern	int	sprint(char*, char*, ...);extern	int	fprint(int, char*, ...);extern	int	vfprint(int, char*, va_list); extern	int	runesprint(Rune*, char*, ...);extern	int	runesnprint(Rune*, int, char*, ...);extern	int	runevsnprint(Rune*, int, char*, va_list);extern	Rune*	runeseprint(Rune*, Rune*, char*, ...);extern	Rune*	runevseprint(Rune*, Rune*, char*, va_list);extern	Rune*	runesmprint(char*, ...);extern	Rune*	runevsmprint(char*, va_list); extern	int	fmtfdinit(Fmt*, int, char*, int);extern	int	fmtfdflush(Fmt*);extern	int	fmtstrinit(Fmt*);extern	char*	fmtstrflush(Fmt*);extern	int	runefmtstrinit(Fmt*);extern	Rune*	runefmtstrflush(Fmt*); #pragma	varargck	argpos	fmtprint	2#pragma	varargck	argpos	fprint	2#pragma	varargck	argpos	print	1#pragma	varargck	argpos	runeseprint	3#pragma	varargck	argpos	runesmprint	1#pragma	varargck	argpos	runesnprint	3#pragma	varargck	argpos	runesprint	2#pragma	varargck	argpos	seprint	3#pragma	varargck	argpos	smprint	1#pragma	varargck	argpos	snprint	3#pragma	varargck	argpos	sprint	2#pragma	varargck	argpos	vseprint	3#pragma	varargck	argpos	vsnprint	3 #pragma	varargck	type	"lld"	vlong#pragma	varargck	type	"llx"	vlong#pragma	varargck	type	"lld"	uvlong#pragma	varargck	type	"llx"	uvlong#pragma	varargck	type	"ld"	long#pragma	varargck	type	"lx"	long#pragma	varargck	type	"ld"	ulong#pragma	varargck	type	"lx"	ulong#pragma	varargck	type	"d"	int#pragma	varargck	type	"x"	int#pragma	varargck	type	"c"	int#pragma	varargck	type	"C"	int#pragma	varargck	type	"d"	uint#pragma	varargck	type	"x"	uint#pragma	varargck	type	"c"	uint#pragma	varargck	type	"C"	uint#pragma	varargck	type	"f"	double#pragma	varargck	type	"e"	double#pragma	varargck	type	"g"	double#pragma	varargck	type	"s"	char*#pragma	varargck	type	"q"	char*#pragma	varargck	type	"S"	Rune*#pragma	varargck	type	"Q"	Rune*#pragma	varargck	type	"r"	void#pragma	varargck	type	"%"	void#pragma	varargck	type	"n"	int*#pragma	varargck	type	"p"	void*#pragma	varargck	type	"p"	uintptr#pragma	varargck	flag	','#pragma varargck	type	"<" void*#pragma varargck	type	"[" void*#pragma varargck	type	"H" void* extern	int	fmtinstall(int, int (*)(Fmt*));extern	int	dofmt(Fmt*, char*);extern	int	dorfmt(Fmt*, Rune*);extern	int	fmtprint(Fmt*, char*, ...);extern	int	fmtvprint(Fmt*, char*, va_list);extern	int	fmtrune(Fmt*, int);extern	int	fmtstrcpy(Fmt*, char*);extern	int	fmtrunestrcpy(Fmt*, Rune*);/* * error string for %r * supplied on per os basis, not part of fmt library */extern	int	errfmt(Fmt *f); /* * quoted strings */extern	char	*unquotestrdup(char*);extern	Rune	*unquoterunestrdup(Rune*);extern	char	*quotestrdup(char*);extern	Rune	*quoterunestrdup(Rune*);extern	int	quotestrfmt(Fmt*);extern	int	quoterunestrfmt(Fmt*);extern	void	quotefmtinstall(void);extern	int	(*doquote)(int); /* * random number */extern	void	srand(long);extern	int	rand(void);extern	int	nrand(int);extern	long	lrand(void);extern	long	lnrand(long);extern	double	frand(void);extern	ulong	truerand(void);extern	ulong	ntruerand(ulong); /* * math */extern	ulong	getfcr(void);extern	void	setfsr(ulong);extern	ulong	getfsr(void);extern	void	setfcr(ulong);extern	double	NaN(void);extern	double	Inf(int);extern	int	isNaN(double);extern	int	isInf(double, int); extern	double	pow(double, double);extern	double	atan2(double, double);extern	double	fabs(double);extern	double	atan(double);extern	double	log(double);extern	double	log10(double);extern	double	exp(double);extern	double	floor(double);extern	double	ceil(double);extern	double	hypot(double, double);extern	double	sin(double);extern	double	cos(double);extern	double	tan(double);extern	double	asin(double);extern	double	acos(double);extern	double	sinh(double);extern	double	cosh(double);extern	double	tanh(double);extern	double	sqrt(double);extern	double	fmod(double, double); #define	HUGE	3.4028234e38#define	PIO2	1.570796326794896619231e0#define	PI	(PIO2+PIO2) /* * Time-of-day */ typedefstruct Tm{	int	sec;	int	min;	int	hour;	int	mday;	int	mon;	int	year;	int	wday;	int	yday;	char	zone[4];	int	tzoff;} Tm; extern	Tm*	gmtime(long);extern	Tm*	localtime(long);extern	char*	asctime(Tm*);extern	char*	ctime(long);extern	double	cputime(void);extern	long	times(long*);extern	long	tm2sec(Tm*);extern	vlong	nsec(void); /* * one-of-a-kind */enum{	PNPROC		= 1,	PNGROUP		= 2,};extern	vlong	nsec(void); extern	void	_assert(char*);extern	int	abs(int);extern	int	atexit(void(*)(void));extern	void	atexitdont(void(*)(void));extern	int	atnotify(int(*)(void*, char*), int);extern	double	atof(char*);extern	int	atoi(char*);extern	long	atol(char*);extern	double	charstod(int(*)(void*), void*);extern	char*	cleanname(char*);extern	int	decrypt(void*, void*, int);extern	int	encrypt(void*, void*, int);extern	int	dec64(uchar*, int, char*, int);extern	int	enc64(char*, int, uchar*, int);extern	int	dec32(uchar*, int, char*, int);extern	int	enc32(char*, int, uchar*, int);extern	int	dec16(uchar*, int, char*, int);extern	int	enc16(char*, int, uchar*, int);extern	int	encodefmt(Fmt*);extern	void	exits(char*);extern	double	frexp(double, int*);extern	uintptr	getcallerpc(void*);extern	char*	getenv(char*);extern	int	getfields(char*, char**, int, int, char*);extern	char*	getuser(void);extern	char*	getwd(char*, int);extern	long	labs(long);extern	double	ldexp(double, int);/*extern	void	longjmp(jmp_buf, int);*/extern	char*	mktemp(char*);extern	double	modf(double, double*);extern	int	netcrypt(void*, void*);/*extern	void	notejmp(void*, jmp_buf, int);*/extern	void	perror(char*);extern  int	postnote(int, int, char *);extern	double	pow10(int);extern	double	ipow10(int);extern	int	putenv(char*, char*);extern	void	qsort(void*, long, long, int (*)(void*, void*));/*extern	int	setjmp(jmp_buf);*/extern	double	strtod(char*, char**);extern	long	strtol(char*, char**, int);extern	ulong	strtoul(char*, char**, int);extern	vlong	strtoll(char*, char**, int);extern	uvlong	strtoull(char*, char**, int);extern	void	sysfatal(char*, ...);#pragma	varargck	argpos	sysfatal	1extern	void	syslog(int, char*, char*, ...);#pragma	varargck	argpos	syslog	3extern	int	_tas(int*);extern	long	time(long*);extern	int	tolower(int);extern	int	toupper(int); /* *  network dialing */#define NETPATHLEN 40extern	int	accept(int, char*);extern	int	announce(char*, char*);extern	int	dial(char*, char*, char*, int*);extern	void	setnetmtpt(char*, int, char*);extern	int	hangup(int);extern	int	listen(char*, char*);extern	char*	netmkaddr(char*, char*, char*);extern	int	reject(int, char*, char*); /* * system calls * */#define	STATMAX	65535U	/* max length of machine-independent stat structure */#define	DIRMAX	(sizeof(Dir)+STATMAX)	/* max length of Dir structure */#define	ERRMAX	128	/* max length of error string */ #define	MORDER	0x0003	/* mask for bits defining order of mounting */#define	MREPL	0x0000	/* mount replaces object */#define	MBEFORE	0x0001	/* mount goes before others in union directory */#define	MAFTER	0x0002	/* mount goes after others in union directory */#define	MCREATE	0x0004	/* permit creation in mounted directory */#define	MCACHE	0x0010	/* cache some data */#define	MMASK	0x0017	/* all bits on */ #define	OREAD	0	/* open for read */#define	OWRITE	1	/* write */#define	ORDWR	2	/* read and write */#define	OEXEC	3	/* execute, == read but check execute permission */#define	OTRUNC	16	/* or'ed in (except for exec), truncate file first */#define	OCEXEC	32	/* or'ed in, close on exec */#define	ORCLOSE	64	/* or'ed in, remove on close */#define	OEXCL	0x1000	/* or'ed in, exclusive use (create only) */ #define	AEXIST	0	/* accessible: exists */#define	AEXEC	1	/* execute access */#define	AWRITE	2	/* write access */#define	AREAD	4	/* read access */ /* Segattch */#define	SG_RONLY	0040	/* read only */#define	SG_CEXEC	0100	/* detach on exec */ #define	NCONT	0	/* continue after note */#define	NDFLT	1	/* terminate after note */#define	NSAVE	2	/* clear note but hold state */#define	NRSTR	3	/* restore saved state */ /* rfork */enum{	RFNAMEG		= (1<<0),	RFENVG		= (1<<1),	RFFDG		= (1<<2),	RFNOTEG		= (1<<3),	RFPROC		= (1<<4),	RFMEM		= (1<<5),	RFNOWAIT	= (1<<6),	RFCNAMEG	= (1<<10),	RFCENVG		= (1<<11),	RFCFDG		= (1<<12),	RFREND		= (1<<13),	RFNOMNT		= (1<<14)}; /* bits in Qid.type */#define QTDIR		0x80		/* type bit for directories */#define QTAPPEND	0x40		/* type bit for append only files */#define QTEXCL		0x20		/* type bit for exclusive use files */#define QTMOUNT		0x10		/* type bit for mounted channel */#define QTAUTH		0x08		/* type bit for authentication file */#define QTFILE		0x00		/* plain file */ /* bits in Dir.mode */#define DMDIR		0x80000000	/* mode bit for directories */#define DMAPPEND	0x40000000	/* mode bit for append only files */#define DMEXCL		0x20000000	/* mode bit for exclusive use files */#define DMMOUNT		0x10000000	/* mode bit for mounted channel */#define DMAUTH		0x08000000	/* mode bit for authentication file */#define DMREAD		0x4		/* mode bit for read permission */#define DMWRITE		0x2		/* mode bit for write permission */#define DMEXEC		0x1		/* mode bit for execute permission */ typedefstruct Qid{	uvlong	path;	ulong	vers;	uchar	type;} Qid; typedefstruct Dir { 	/* system-modified data */	ushort	type;	/* server type */	uint	dev;	/* server subtype */	/* file data */	Qid	qid;	/* unique id from server */	ulong	mode;	/* permissions */	ulong	atime;	/* last read time */	ulong	mtime;	/* last write time */	vlong	length;	/* file length */	char	*name;	/* last element of path */	char	*uid;	/* owner name */	char	*gid;	/* group name */	char	*muid;	/* last modifier name */} Dir; extern	Dir*	dirstat(char*);extern	Dir*	dirfstat(int);extern	int	dirwstat(char*, Dir*);extern	int	dirfwstat(int, Dir*);extern	long	dirread(int, Dir**);extern	void	nulldir(Dir*);extern	long	dirreadall(int, Dir**); #define CHDIR		0x80000000	/* mode bit for directories */#define CHAPPEND	0x40000000	/* mode bit for append only files */

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