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- #define _POSIX_SOURCE
- #define _POSIX_C_SOURCE 1
- #define _LARGEFILE64_SOURCE 1
- #define _FILE_OFFSET_BITS 64
- #include <sys/types.h>
- #include <stdlib.h>
- #include <stdarg.h>
- #define __EXTENSIONS__
- #include <unistd.h>
- #undef __EXTENSIONS__
- #include <errno.h>
- #include <string.h>
- #include "math.h"
- #include <fcntl.h>
- #include <setjmp.h>
- #include <float.h>
- #include <time.h>
- #define getwd infgetwd
- #ifndef EMU
- typedef struct Proc Proc;
- #endif
- #define nil ((void*)0)
- typedef unsigned char uchar;
- typedef unsigned int uint;
- typedef unsigned long ulong;
- typedef signed char schar;
- typedef unsigned short ushort;
- typedef unsigned short Rune;
- typedef long long int vlong;
- typedef unsigned long long int uvlong;
- typedef unsigned int u32int;
- typedef uvlong u64int;
- typedef size_t usize;
- typedef unsigned int mpdigit; /* for /sys/include/mp.h */
- typedef unsigned short u16int;
- typedef unsigned char u8int;
- typedef unsigned long uintptr;
- #define USED(x) if(x){}else{}
- #define SET(x)
- #undef nelem
- #define nelem(x) (sizeof(x)/sizeof((x)[0]))
- #undef offsetof
- #define offsetof(s, m) (ulong)(&(((s*)0)->m))
- #undef assert
- #define assert(x) if(x){}else _assert("x")
- /*
- * most mem and string routines are declared by ANSI/POSIX files above
- */
- extern char* strecpy(char*, char*, char*);
- extern char* strdup(const 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(size_t);
- extern void* mallocz(ulong, int);
- extern void free(void*);
- extern ulong msize(void*);
- extern void* calloc(size_t, size_t);
- extern void* realloc(void*, size_t);
- 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*);
- 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 int nrand(int);
- /*
- * random number
- */
- extern ulong truerand(void);
- extern ulong ntruerand(ulong);
- /*
- * math
- */
- extern int isNaN(double);
- extern int isInf(double, int);
- extern double pow(double, double);
- /*
- * Time-of-day
- */
- typedef struct Tm Tm;
- struct Tm {
- int sec;
- int min;
- int hour;
- int mday;
- int mon;
- int year;
- int wday;
- int yday;
- char zone[4];
- int tzoff;
- };
- extern vlong osnsec(void);
- #define nsec osnsec
-
- /*
- * one-of-a-kind
- */
- extern void _assert(char*);
- extern double charstod(int(*)(void*), void*);
- extern char* cleanname(char*);
- extern double frexp(double, int*);
- extern ulong getcallerpc(void*);
- extern int getfields(char*, char**, int, int, char*);
- extern char* getuser(void);
- extern char* getwd(char*, int);
- extern double ipow10(int);
- extern double ldexp(double, int);
- extern double modf(double, double*);
- #define pow10 infpow10
- extern double pow10(int);
- extern vlong strtoll(const char*, char**, int);
- #define qsort infqsort
- extern void qsort(void*, long, long, int (*)(void*, void*));
- extern uvlong strtoull(const char*, char**, int);
- extern void sysfatal(char*, ...);
- 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*);
- /*
- * synchronization
- */
- typedef
- struct Lock {
- int val;
- int pid;
- } Lock;
- extern int _tas(int*);
- extern void lock(Lock*);
- extern void unlock(Lock*);
- extern int canlock(Lock*);
- typedef struct QLock QLock;
- struct QLock
- {
- Lock use; /* to access Qlock structure */
- Proc *head; /* next process waiting for object */
- Proc *tail; /* last process waiting for object */
- int locked; /* flag */
- };
- extern void qlock(QLock*);
- extern void qunlock(QLock*);
- extern int canqlock(QLock*);
- extern void _qlockinit(ulong (*)(ulong, ulong)); /* called only by the thread library */
- typedef
- struct RWLock
- {
- Lock l; /* Lock modify lock */
- QLock x; /* Mutual exclusion lock */
- QLock k; /* Lock for waiting writers */
- int readers; /* Count of readers in lock */
- } RWLock;
- extern int canrlock(RWLock*);
- extern int canwlock(RWLock*);
- extern void rlock(RWLock*);
- extern void runlock(RWLock*);
- extern void wlock(RWLock*);
- extern void wunlock(RWLock*);
- /*
- * network dialing
- */
- #define NETPATHLEN 40
- /*
- * 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 */
- /* 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 */
- typedef
- struct Qid
- {
- uvlong path;
- ulong vers;
- uchar type;
- } Qid;
- typedef
- struct 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**);
- typedef
- struct Waitmsg
- {
- int pid; /* of loved one */
- ulong time[3]; /* of loved one & descendants */
- char *msg;
- } Waitmsg;
- extern void _exits(char*);
- extern void exits(char*);
- extern int create(char*, int, int);
- extern int errstr(char*, uint);
- extern void perror(const char*);
- extern long readn(int, void*, long);
- extern int remove(const char*);
- extern void rerrstr(char*, uint);
- extern vlong seek(int, vlong, int);
- extern int segflush(void*, ulong);
- extern void werrstr(char*, ...);
- extern char *argv0;
- #define ARGBEGIN for((argv0||(argv0=*argv)),argv++,argc--;\
- argv[0] && argv[0][0]=='-' && argv[0][1];\
- argc--, argv++) {\
- char *_args, *_argt;\
- Rune _argc;\
- _args = &argv[0][1];\
- if(_args[0]=='-' && _args[1]==0){\
- argc--; argv++; break;\
- }\
- _argc = 0;\
- while(*_args && (_args += chartorune(&_argc, _args)))\
- switch(_argc)
- #define ARGEND SET(_argt);USED(_argt);USED(_argc); USED(_args);}USED(argv); USED(argc);
- #define ARGF() (_argt=_args, _args="",\
- (*_argt? _argt: argv[1]? (argc--, *++argv): 0))
- #define EARGF(x) (_argt=_args, _args="",\
- (*_argt? _argt: argv[1]? (argc--, *++argv): ((x), abort(), (char*)0)))
- #define ARGC() _argc
- /*
- * Extensions for Inferno to basic libc.h
- */
- #define setbinmode()
- /*
- * Extensions for emu kernel emulation
- */
- #ifdef EMU
- extern Proc* getup();
- #define up (getup())
- /*
- * This structure must agree with FPsave and FPrestore asm routines
- */
- typedef struct FPU FPU;
- struct FPU
- {
- ulong fsr;
- };
- typedef sigjmp_buf osjmpbuf;
- #define ossetjmp(buf) sigsetjmp(buf, 1)
- #endif
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