diff options
Diffstat (limited to 'include/libc.h')
| -rw-r--r-- | include/libc.h | 794 |
1 files changed, 793 insertions, 1 deletions
diff --git a/include/libc.h b/include/libc.h index 25b042c1..64bb0867 100644 --- a/include/libc.h +++ b/include/libc.h @@ -1,2 +1,794 @@ -#include <lib9.h> +/* + * Lib9 is miscellany from the Plan 9 C library that doesn't + * fit into libutf or into libfmt, but is still missing from traditional + * Unix C libraries. + */ +#ifndef _LIBC_H_ +#define _LIBC_H_ 1 +#if defined(__cplusplus) +extern "C" { +#endif +/* + * Begin usual libc.h + */ + +#define nil ((void*)0) +#define nelem(x) (sizeof(x)/sizeof((x)[0])) + +#ifndef offsetof +#define offsetof(s, m) (ulong)(&(((s*)0)->m)) +#endif + +/* + * mem routines (provided by system <string.h>) + * +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 (provided by system <string.h>) + * +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, + Runesync = 0x80, + Runeself = 0x80, + Runeerror = 0x80, +}; +*/ + +/* + * rune routines (provided by <utf.h> + * +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 (provied by system <stdlib.h>) + * +extern void* malloc(ulong); + */ +extern void* p9malloc(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*); +*/ +#ifndef NOPLAN9DEFINES +#define malloc p9malloc +#endif + +/* + * print routines (provided by <fmt.h>) + * +typedef struct Fmt Fmt; +struct Fmt{ + uchar runes; + void *start; + void *to; + void *stop; + int (*flush)(Fmt *); + void *farg; + int nfmt; + va_list args; + int r; + 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 + * + * (provided by lib9, but declared in fmt.h) + * +extern int errfmt(Fmt *f); + */ + +/* + * quoted strings + */ +extern char *unquotestrdup(char*); +extern Rune *unquoterunestrdup(Rune*); +extern char *quotestrdup(char*); +extern Rune *quoterunestrdup(Rune*); +/* + * in fmt.h + * +extern void quotefmtinstall(void); +extern int quotestrfmt(Fmt*); +extern int quoterunestrfmt(Fmt*); + */ +#ifndef NOPLAN9DEFINES +#define doquote fmtdoquote +#endif +extern int needsrcquote(int); + +/* + * random number (in <stdlib.h>) + * +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); /* uses /dev/random */ +extern ulong ntruerand(ulong); /* uses /dev/random */ + +/* + * 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 ulong umuldiv(ulong, ulong, ulong); +extern long muldiv(long, long, long); + +/* + * provided by math.h + * +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) + */ +#define PI M_PI +#define PIO2 M_PI_2 + +/* + * Time-of-day + */ + +typedef +struct 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* p9gmtime(long); +extern Tm* p9localtime(long); +extern char* p9asctime(Tm*); +extern char* p9ctime(long); +extern double p9cputime(void); +extern long p9times(long*); +extern long p9tm2sec(Tm*); +extern vlong p9nsec(void); + +#ifndef NOPLAN9DEFINES +#define gmtime p9gmtime +#define localtime p9localtime +#define asctime p9asctime +#define ctime p9ctime +#define cputime p9cputime +#define times p9times +#define tm2sec p9tm2sec +#define nsec p9nsec +#endif + +/* + * one-of-a-kind + */ +enum +{ + PNPROC = 1, + PNGROUP = 2, +}; + +/* extern int abs(int); <stdlib.h> */ +extern int p9atexit(void(*)(void)); +extern void p9atexitdont(void(*)(void)); +extern int atnotify(int(*)(void*, char*), int); +/* + * <stdlib.h> +extern double atof(char*); <stdlib.h> +extern int atoi(char*); +extern long atol(char*); + */ +extern vlong atoll(const char*); +extern double charstod(int(*)(void*), void*); +extern char* cleanname(char*); +extern int p9decrypt(void*, void*, int); +extern int p9encrypt(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 int dirmodefmt(Fmt*); +extern void exits(char*); +extern double frexp(double, int*); +extern ulong getcallerpc(void*); +extern char* p9getenv(char*); +extern int p9putenv(char*, char*); +extern int getfields(char*, char**, int, int, char*); +extern int gettokens(char *, char **, int, char *); +extern char* getuser(void); +extern char* p9getwd(char*, int); +extern int iounit(int); +/* extern long labs(long); <math.h> */ +/* extern double ldexp(double, int); <math.h> */ +extern void p9longjmp(p9jmp_buf, int); +extern char* mktemp(char*); +extern int opentemp(char*); +/* extern double modf(double, double*); <math.h> */ +extern int netcrypt(void*, void*); +extern void p9notejmp(void*, p9jmp_buf, int); +extern void perror(const char*); +extern int postnote(int, int, char *); +extern double pow10(int); +/* extern int putenv(char*, char*); <stdlib.h. */ +/* extern void qsort(void*, long, long, int (*)(void*, void*)); <stdlib.h> */ +/* extern int p9setjmp(p9jmp_buf); */ +#define p9setjmp(b) sigsetjmp((void*)(b), 1) +/* + * <stdlib.h> +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*, ...); +extern void p9syslog(int, char*, char*, ...); +extern long p9time(long*); +/* extern int tolower(int); <ctype.h> */ +/* extern int toupper(int); <ctype.h> */ +#ifndef NOPLAN9DEFINES +#define atexit p9atexit +#define atexitdont p9atexitdont +#define encrypt p9encrypt +#define decrypt p9decrypt +#define getenv p9getenv +#define getwd p9getwd +#define longjmp p9longjmp +#undef setjmp +#define setjmp p9setjmp +#define putenv p9putenv +#define notejmp p9notejmp +#define jmp_buf p9jmp_buf +#define syslog p9syslog +#define time p9time +#endif + +/* + * synchronization + */ +typedef +struct Lock { + int val; +} Lock; + +extern int _tas(int*); + +extern void lock(Lock*); +extern void unlock(Lock*); +extern int canlock(Lock*); + +typedef struct QLp QLp; +struct QLp +{ + int inuse; + QLp *next; + char state; +}; + +typedef +struct QLock +{ + Lock lock; + int locked; + QLp *head; + QLp *tail; +} QLock; + +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 lock; + int readers; /* number of readers */ + int writer; /* number of writers */ + QLp *head; /* list of waiting processes */ + QLp *tail; +} RWLock; + +extern void rlock(RWLock*); +extern void runlock(RWLock*); +extern int canrlock(RWLock*); +extern void wlock(RWLock*); +extern void wunlock(RWLock*); +extern int canwlock(RWLock*); + +typedef +struct Rendez +{ + QLock *l; + QLp *head; + QLp *tail; +} Rendez; + +extern void rsleep(Rendez*); /* unlocks r->l, sleeps, locks r->l again */ +extern int rwakeup(Rendez*); +extern int rwakeupall(Rendez*); +extern void** privalloc(void); +extern void privfree(void**); + +/* + * network dialing + */ +#define NETPATHLEN 40 +extern int p9accept(int, char*); +extern int p9announce(char*, char*); +extern int p9dial(char*, char*, char*, int*); +extern void p9setnetmtpt(char*, int, char*); +extern int p9hangup(int); +extern int p9listen(char*, char*); +extern char* p9netmkaddr(char*, char*, char*); +extern int p9reject(int, char*, char*); + +#ifndef NOPLAN9DEFINES +#define accept p9accept +#define announce p9announce +#define dial p9dial +#define setnetmtpt p9setnetmtpt +#define hangup p9hangup +#define listen p9listen +#define netmkaddr p9netmkaddr +#define reject p9reject +#endif + +/* + * encryption + */ +extern int pushssl(int, char*, char*, char*, int*); +extern int pushtls(int, char*, char*, int, char*, char*); + +/* + * network services + */ +typedef struct NetConnInfo NetConnInfo; +struct NetConnInfo +{ + char *dir; /* connection directory */ + char *root; /* network root */ + char *spec; /* binding spec */ + char *lsys; /* local system */ + char *lserv; /* local service */ + char *rsys; /* remote system */ + char *rserv; /* remote service */ +}; +extern NetConnInfo* getnetconninfo(char*, int); +extern void freenetconninfo(NetConnInfo*); + +/* + * 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 */ + +/* 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 */ + +#if defined(__FreeBSD__) +#undef RFFDG +#undef RFNOTEG +#undef RFPROC +#undef RFMEM +#undef RFNOWAIT +#undef RFCFDG +#undef RFNAMEG +#undef RFENVG +#undef RFCENVG +#undef RFCFDG +#undef RFCNAMEG +#endif + +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) */ +}; + +extern int ffork(int, void(*)(void*), void*); + +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; + +/* keep /sys/src/ape/lib/ap/plan9/sys9.h in sync with this -rsc */ +typedef +struct Waitmsg +{ + int pid; /* of loved one */ + ulong time[3]; /* of loved one & descendants */ + char *msg; +} Waitmsg; + +typedef +struct IOchunk +{ + void *addr; + ulong len; +} IOchunk; + +extern void _exits(char*); + +extern void abort(void); +extern int p9access(char*, int); +extern long p9alarm(ulong); +extern int await(char*, int); +extern int awaitnohang(char*, int); +/* extern int bind(char*, char*, int); give up */ +/* extern int brk(void*); <unistd.h> */ +extern int p9chdir(char*); +extern int close(int); +extern int p9create(char*, int, ulong); +extern int p9dup(int, int); +extern int errstr(char*, uint); +extern int p9exec(char*, char*[]); +/* extern int execl(char*, ...); <unistd.h> */ +/* extern int fork(void); <unistd.h> */ +extern int p9rfork(int); +/* not implemented +extern int fauth(int, char*); +extern int fstat(int, uchar*, int); +extern int fwstat(int, uchar*, int); +extern int fversion(int, int, char*, int); +extern int mount(int, int, char*, int, char*); +extern int unmount(char*, char*); +*/ +extern int noted(int); +extern int notify(void(*)(void*, char*)); +extern int p9open(char*, int); +extern int fd2path(int, char*, int); +extern int p9pipe(int*); +/* + * use defs from <unistd.h> +extern long pread(int, void*, long, vlong); +extern long preadv(int, IOchunk*, int, vlong); +extern long pwrite(int, void*, long, vlong); +extern long pwritev(int, IOchunk*, int, vlong); +extern long read(int, void*, long); + */ +extern long readn(int, void*, long); +/* extern long readv(int, IOchunk*, int); <unistd.h> */ +extern int remove(const char*); +/* extern void* sbrk(ulong); <unistd.h> */ +/* extern long oseek(int, long, int); */ +extern vlong p9seek(int, vlong, int); +/* give up +extern long segattach(int, char*, void*, ulong); +extern int segbrk(void*, void*); +extern int segdetach(void*); +extern int segflush(void*, ulong); +extern int segfree(void*, ulong); +*/ +extern int p9sleep(long); +/* extern int stat(char*, uchar*, int); give up */ +extern Waitmsg* p9wait(void); +extern Waitmsg* waitnohang(void); +extern int p9waitpid(void); +/* <unistd.h> +extern long write(int, void*, long); +extern long writev(int, IOchunk*, int); +*/ +/* extern int wstat(char*, uchar*, int); give up */ +extern ulong rendezvous(ulong, ulong); + +#ifndef NOPLAN9DEFINES +#define alarm p9alarm +#define dup p9dup +#define exec p9exec +#define seek p9seek +#define sleep p9sleep +#define wait p9wait +#define waitpid p9waitpid +#define rfork p9rfork +#define access p9access +#define create p9create +#define open p9open +#define pipe p9pipe +#endif + +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**); +/* extern int getpid(void); <unistd.h> */ +/* extern int getppid(void); */ +extern void rerrstr(char*, uint); +extern char* sysname(void); +extern void werrstr(char*, ...); +extern char* getns(void); +extern char* get9root(void); +extern char* unsharp(char*); +extern int sendfd(int, int); +extern int recvfd(int); +extern int post9pservice(int, char*); + +/* external names that we don't want to step on */ +#ifndef NOPLAN9DEFINES +#define main p9main +#endif + +/* compiler directives on plan 9 */ +#define USED(x) if(x){}else{} +#define SET(x) ((x)=0) + +/* command line */ +extern char *argv0; +extern void __fixargv0(void); +#define ARGBEGIN for((argv0?0:(argv0=(__fixargv0(),*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 + +#if defined(__cplusplus) +} +#endif +#endif /* _LIB9_H_ */ |