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This commit is contained in:
Russ Cox
246
include/lib.h
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246
include/lib.h
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/* avoid name conflicts */
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#define accept pm_accept
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#define listen pm_listen
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#define sleep ksleep
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#define wakeup kwakeup
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#define strtod libstrtod
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#define pow10 libpow10
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/* conflicts on some os's */
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#define encrypt libencrypt
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#define decrypt libdecrypt
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#define oserror liboserror
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#define clone libclone
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#define atexit libatexit
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#define log2 liblog2
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#define log liblog
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#define reboot libreboot
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#define srand dtsrand
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#define rand dtrand
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#define nrand dtnrand
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#define lrand dtlrand
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#define lnrand dtlnrand
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#undef timeradd
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#define timeradd xtimeradd
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#define nil ((void*)0)
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typedef unsigned char p9_uchar;
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typedef unsigned int p9_uint;
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typedef unsigned int p9_ulong;
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typedef int p9_long;
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typedef signed char p9_schar;
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typedef unsigned short p9_ushort;
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typedef unsigned short Rune;
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typedef unsigned int p9_u32int;
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typedef p9_u32int mpdigit;
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/* make sure we don't conflict with predefined types */
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#define schar p9_schar
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#define uchar p9_uchar
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#define ushort p9_ushort
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#define uint p9_uint
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#define u32int p9_u32int
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/* #define long int rather than p9_long so that "unsigned long" is valid */
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#define long int
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#define ulong p9_ulong
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#define vlong p9_vlong
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#define uvlong p9_uvlong
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#define nelem(x) (sizeof(x)/sizeof((x)[0]))
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#define USED(x) if(x);else
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#define SET(x)
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enum
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{
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UTFmax = 3, /* maximum bytes per rune */
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Runesync = 0x80, /* cannot represent part of a UTF sequence (<) */
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Runeself = 0x80, /* rune and UTF sequences are the same (<) */
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Runeerror = 0x80 /* decoding error in UTF */
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};
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/*
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* new rune routines
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*/
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extern int runetochar(char*, Rune*);
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extern int chartorune(Rune*, char*);
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extern int runelen(long);
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extern int fullrune(char*, int);
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extern int wstrtoutf(char*, Rune*, int);
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extern int wstrutflen(Rune*);
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/*
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* rune routines from converted str routines
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*/
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extern long utflen(char*);
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extern char* utfrune(char*, long);
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extern char* utfrrune(char*, long);
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/*
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* Syscall data structures
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*/
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#define MORDER 0x0003 /* mask for bits defining order of mounting */
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#define MREPL 0x0000 /* mount replaces object */
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#define MBEFORE 0x0001 /* mount goes before others in union directory */
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#define MAFTER 0x0002 /* mount goes after others in union directory */
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#define MCREATE 0x0004 /* permit creation in mounted directory */
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#define MCACHE 0x0010 /* cache some data */
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#define MMASK 0x0017 /* all bits on */
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#define OREAD 0 /* open for read */
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#define OWRITE 1 /* write */
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#define ORDWR 2 /* read and write */
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#define OEXEC 3 /* execute, == read but check execute permission */
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#define OTRUNC 16 /* or'ed in (except for exec), truncate file first */
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#define OCEXEC 32 /* or'ed in, close on exec */
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#define ORCLOSE 64 /* or'ed in, remove on close */
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#define OEXCL 0x1000 /* or'ed in, exclusive create */
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#define NCONT 0 /* continue after note */
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#define NDFLT 1 /* terminate after note */
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#define NSAVE 2 /* clear note but hold state */
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#define NRSTR 3 /* restore saved state */
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#define ERRMAX 128 /* max length of error string */
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#define KNAMELEN 28 /* max length of name held in kernel */
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/* bits in Qid.type */
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#define QTDIR 0x80 /* type bit for directories */
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#define QTAPPEND 0x40 /* type bit for append only files */
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#define QTEXCL 0x20 /* type bit for exclusive use files */
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#define QTMOUNT 0x10 /* type bit for mounted channel */
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#define QTAUTH 0x08 /* type bit for authentication file */
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#define QTFILE 0x00 /* plain file */
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/* bits in Dir.mode */
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#define DMDIR 0x80000000 /* mode bit for directories */
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#define DMAPPEND 0x40000000 /* mode bit for append only files */
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#define DMEXCL 0x20000000 /* mode bit for exclusive use files */
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#define DMMOUNT 0x10000000 /* mode bit for mounted channel */
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#define DMAUTH 0x08000000 /* mode bit for authentication files */
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#define DMREAD 0x4 /* mode bit for read permission */
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#define DMWRITE 0x2 /* mode bit for write permission */
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#define DMEXEC 0x1 /* mode bit for execute permission */
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typedef struct Lock
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{
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long key;
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} Lock;
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typedef struct QLock
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{
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Lock lk;
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struct Proc *hold;
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struct Proc *first;
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struct Proc *last;
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} QLock;
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typedef
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struct Qid
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{
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uvlong path;
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ulong vers;
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uchar type;
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} Qid;
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typedef
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struct Dir {
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/* system-modified data */
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ushort type; /* server type */
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uint dev; /* server subtype */
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/* file data */
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Qid qid; /* unique id from server */
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ulong mode; /* permissions */
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ulong atime; /* last read time */
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ulong mtime; /* last write time */
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vlong length; /* file length */
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char *name; /* last element of path */
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char *uid; /* owner name */
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char *gid; /* group name */
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char *muid; /* last modifier name */
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} Dir;
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typedef
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struct Waitmsg
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{
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int pid; /* of loved one */
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ulong time[3]; /* of loved one & descendants */
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char *msg;
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} Waitmsg;
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/*
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* print routines
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*/
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typedef struct Fmt Fmt;
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struct Fmt{
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uchar runes; /* output buffer is runes or chars? */
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void *start; /* of buffer */
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void *to; /* current place in the buffer */
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void *stop; /* end of the buffer; overwritten if flush fails */
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int (*flush)(Fmt *); /* called when to == stop */
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void *farg; /* to make flush a closure */
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int nfmt; /* num chars formatted so far */
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va_list args; /* args passed to dofmt */
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int r; /* % format Rune */
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int width;
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int prec;
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ulong flags;
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};
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enum{
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FmtWidth = 1,
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FmtLeft = FmtWidth << 1,
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FmtPrec = FmtLeft << 1,
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FmtSharp = FmtPrec << 1,
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FmtSpace = FmtSharp << 1,
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FmtSign = FmtSpace << 1,
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FmtZero = FmtSign << 1,
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FmtUnsigned = FmtZero << 1,
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FmtShort = FmtUnsigned << 1,
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FmtLong = FmtShort << 1,
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FmtVLong = FmtLong << 1,
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FmtComma = FmtVLong << 1,
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FmtByte = FmtComma << 1,
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FmtFlag = FmtByte << 1
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};
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extern int print(char*, ...);
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extern char* seprint(char*, char*, char*, ...);
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extern char* vseprint(char*, char*, char*, va_list);
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extern int snprint(char*, int, char*, ...);
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extern int vsnprint(char*, int, char*, va_list);
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extern char* smprint(char*, ...);
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extern char* vsmprint(char*, va_list);
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extern int sprint(char*, char*, ...);
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extern int fprint(int, char*, ...);
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extern int vfprint(int, char*, va_list);
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extern int (*doquote)(int);
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extern int runesprint(Rune*, char*, ...);
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extern int runesnprint(Rune*, int, char*, ...);
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extern int runevsnprint(Rune*, int, char*, va_list);
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extern Rune* runeseprint(Rune*, Rune*, char*, ...);
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extern Rune* runevseprint(Rune*, Rune*, char*, va_list);
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extern Rune* runesmprint(char*, ...);
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extern Rune* runevsmprint(char*, va_list);
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extern int fmtfdinit(Fmt*, int, char*, int);
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extern int fmtfdflush(Fmt*);
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extern int fmtstrinit(Fmt*);
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extern int fmtinstall(int, int (*)(Fmt*));
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extern char* fmtstrflush(Fmt*);
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extern int runefmtstrinit(Fmt*);
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extern Rune* runefmtstrflush(Fmt*);
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extern void* mallocz(ulong, int);
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extern void srand(long);
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extern int rand(void);
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extern int nrand(int);
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extern long lrand(void);
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extern long lnrand(long);
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extern double frand(void);
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