commit - fd04aacee17b348da206c13a550dc1029669805f
commit + f365e600d41badc64b7a13ba385eb876d381abaa
blob - 8b309c9ef549983c1e191d6af3faaa2e177a4bf9
blob + f6f3e4cf6c89fab70d5a037d1f0789273a24bdc3
--- include/lib9.h
+++ include/lib9.h
#if defined(__cplusplus)
extern "C" {
-#endif
-
+#endif
#include <unistd.h>
#include <string.h>
#include <fcntl.h>
#include <assert.h>
#include <setjmp.h>
+#include <stddef.h>
+#include <utf.h>
+#include <fmt.h>
+#include <math.h>
-#ifndef _FMTH_
-# include <fmt.h>
-#endif
-
-#define nil ((void*)0)
-#define nelem(x) (sizeof(x)/sizeof((x)[0]))
-
+/*
+ * OS-specific crap
+ */
#define _NEEDUCHAR 1
#define _NEEDUSHORT 1
#define _NEEDUINT 1
#define _NEEDULONG 1
+typedef long p9jmp_buf[sizeof(sigjmp_buf)/sizeof(long)];
+
#if defined(__linux__)
# include <sys/types.h>
# if defined(__USE_MISC)
# undef _NEEDULONG
# endif
#endif
+#if defined(__sun__)
+# include <sys/types.h>
+# undef _NEEDUSHORT
+# undef _NEEDUINT
+# undef _NEEDULONG
+#endif
#if defined(__FreeBSD__)
# include <sys/types.h>
# if !defined(_POSIX_SOURCE)
#endif
typedef unsigned long long uvlong;
typedef long long vlong;
+typedef uvlong u64int;
+typedef uchar u8int;
+typedef ushort u16int;
-#define NAMELEN 28
-#define CHDIR 0x80000000 /* mode bit for directories */
-#define CHAPPEND 0x40000000 /* mode bit for append only files */
-#define CHEXCL 0x20000000 /* mode bit for exclusive use files */
-#define CHMOUNT 0x10000000 /* mode bit for mounted channel */
-#define CHREAD 0x4 /* mode bit for read permission */
-#define CHWRITE 0x2 /* mode bit for write permission */
-#define CHEXEC 0x1 /* mode bit for execute permission */
+/*
+ * Begin usual libc.h
+ */
-/* rfork to create new process running fn(arg) */
+#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* 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 (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 atexit(void(*)(void));
+extern void atexitdont(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(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 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 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);
+/*
+ * <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 syslog(int, char*, char*, ...);
+extern long time(long*);
+/* extern int tolower(int); <ctype.h> */
+/* extern int toupper(int); <ctype.h> */
+#ifndef NOPLAN9DEFINES
+#define getenv p9getenv
+#define getwd p9getwd
+#define longjmp p9longjmp
+#define setjmp p9setjmp
+#define notejmp p9notejmp
+#define jmp_buf p9jmp_buf
+#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
/* RFREND = (1<<13), */
/* RFNOMNT = (1<<14) */
};
+
extern int ffork(int, void(*)(void*), void*);
-/* wait for processes */
-#define wait _p9wait
-typedef struct Waitmsg Waitmsg;
+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;
-};
-extern int await(char*, int);
-extern Waitmsg* wait(void);
+} Waitmsg;
-/* synchronization */
-typedef struct Lock Lock;
-struct Lock
+typedef
+struct IOchunk
{
- int val;
-};
+ void *addr;
+ ulong len;
+} IOchunk;
-extern int _tas(void*);
-extern void lock(Lock*);
-extern void unlock(Lock*);
-extern int canlock(Lock*);
+extern void _exits(char*);
-typedef struct QLp QLp;
-struct QLp
-{
- int inuse;
- QLp *next;
- int state;
-};
+extern void abort(void);
+/* extern int access(char*, int); <unistd.h> */
+extern long p9alarm(ulong);
+extern int await(char*, int);
+/* extern int bind(char*, char*, int); give up */
+/* extern int brk(void*); <unistd.h> */
+/* extern int chdir(char*); <unistd.h> */
+extern int close(int);
+extern int create(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);
+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 open(char*, int); <unistd.h> */
+extern int fd2path(int, char*, int);
+extern int pipe(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 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);
-typedef struct QLock QLock;
-struct QLock
-{
- Lock lock;
- int locked;
- QLp *head;
- QLp *tail;
-};
+#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
+#endif
-extern void qlock(QLock*);
-extern void qunlock(QLock*);
-extern int canqlock(QLock*);
-extern void _qlockinit(ulong (*)(ulong, ulong));
-
-typedef struct RWLock RWLock;
-struct RWLock
-{
- Lock lock;
- int readers;
- int writer;
- QLp *head;
- QLp *tail;
-};
-
-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 Rendez;
-struct Rendez
-{
- QLock *l;
- QLp *head;
- QLp *tail;
-};
-
-extern void rsleep(Rendez*);
-extern int rwakeup(Rendez*);
-extern int rwakeupall(Rendez*);
-
-extern ulong rendezvous(ulong, ulong);
-
-typedef struct Qid Qid;
-typedef struct Dir Dir;
-
-struct Qid
-{
- ulong path;
- ulong vers;
-};
-
-struct Dir
-{
- char name[NAMELEN];
- char uid[NAMELEN];
- char gid[NAMELEN];
- Qid qid;
- ulong mode;
- long atime;
- long mtime;
- vlong length;
- ushort type;
- ushort dev;
-};
-
-extern int dirstat(char*, Dir*);
-extern int dirfstat(int, 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**);
+extern int getpid(void);
+extern int getppid(void);
+extern void rerrstr(char*, uint);
+extern char* sysname(void);
+extern void werrstr(char*, ...);
+/* external names that we don't want to step on */
+#ifndef NOPLAN9DEFINES
+#define main p9main
+#endif
-/* one of a kind */
-extern void sysfatal(char*, ...);
-extern int nrand(int);
-extern long lrand(void);
-extern void setmalloctag(void*, ulong);
-extern void setrealloctag(void*, ulong);
-extern void *mallocz(ulong, int);
-extern long readn(int, void*, long);
-extern void exits(char*);
-extern void _exits(char*);
-extern ulong getcallerpc(void*);
-extern char* cleanname(char*);
-
-/* string routines */
-extern char* strecpy(char*, char*, char*);
-extern int tokenize(char*, char**, int);
-extern int cistrncmp(char*, char*, int);
-extern int cistrcmp(char*, char*);
-extern char* cistrstr(char*, char*);
-extern int getfields(char*, char**, int, int, char*);
-extern int gettokens(char *, char **, int, char *);
-
-/* formatting helpers */
-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*);
-
-/* error string */
-enum
-{
- ERRMAX = 128
-};
-extern void rerrstr(char*, uint);
-extern void werrstr(char*, ...);
-extern int errstr(char*, uint);
-
/* 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||(argv0=(__fixargv0(),*argv))),argv++,argc--;\
+#define ARGBEGIN for((argv0?0:(argv0=(__fixargv0(),*argv))),argv++,argc--;\
argv[0] && argv[0][0]=='-' && argv[0][1];\
argc--, argv++) {\
char *_args, *_argt;\
#define ARGC() _argc
-#define OREAD O_RDONLY
-#define OWRITE O_WRONLY
-#define ORDWR O_RDWR
-#define AEXIST 0
-#define AREAD 4
-#define AWRITE 2
-#define AEXEC 1
-#define ORCLOSE 8
-#define OCEXEC 16
-
-#define dup dup2
-#define exec execv
-#define seek lseek
-#define getwd getcwd
-
#if defined(__cplusplus)
}
#endif
