ref: 28d864953c3d6a879b5c6d81524128851621d654
dir: /sys/src/ape/lib/fmt/fmtdef.h/
/* * The authors of this software are Rob Pike and Ken Thompson. * Copyright (c) 2002 by Lucent Technologies. * Permission to use, copy, modify, and distribute this software for any * purpose without fee is hereby granted, provided that this entire notice * is included in all copies of any software which is or includes a copy * or modification of this software and in all copies of the supporting * documentation for such software. * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. */ /* * dofmt -- format to a buffer * the number of characters formatted is returned, * or -1 if there was an error. * if the buffer is ever filled, flush is called. * it should reset the buffer and return whether formatting should continue. */ #define uchar _fmtuchar #define ushort _fmtushort #define uint _fmtuint #define ulong _fmtulong #define vlong _fmtvlong #define uvlong _fmtuvlong #define USED(x) if(x);else typedef unsigned char uchar; typedef unsigned short ushort; typedef unsigned int uint; typedef unsigned long ulong; #ifndef NOVLONGS typedef unsigned long long uvlong; typedef long long vlong; #endif /* #define nil 0 /* cannot be ((void*)0) because used for function pointers */ typedef int (*Fmts)(Fmt*); typedef struct Quoteinfo Quoteinfo; struct Quoteinfo { int quoted; /* if set, string must be quoted */ int nrunesin; /* number of input runes that can be accepted */ int nbytesin; /* number of input bytes that can be accepted */ int nrunesout; /* number of runes that will be generated */ int nbytesout; /* number of bytes that will be generated */ }; void *__fmtflush(Fmt*, void*, int); void *__fmtdispatch(Fmt*, void*, int); int __floatfmt(Fmt*, double); int __fmtpad(Fmt*, int); int __rfmtpad(Fmt*, int); int __fmtFdFlush(Fmt*); int __efgfmt(Fmt*); int __charfmt(Fmt*); int __runefmt(Fmt*); int __runesfmt(Fmt*); int __countfmt(Fmt*); int __flagfmt(Fmt*); int __percentfmt(Fmt*); int __ifmt(Fmt*); int __strfmt(Fmt*); int __badfmt(Fmt*); int __fmtcpy(Fmt*, const void*, int, int); int __fmtrcpy(Fmt*, const void*, int n); int __errfmt(Fmt *f); double __fmtpow10(int); void __fmtlock(void); void __fmtunlock(void); #define FMTCHAR(f, t, s, c)\ do{\ if(t + 1 > (char*)s){\ t = __fmtflush(f, t, 1);\ if(t != nil)\ s = f->stop;\ else\ return -1;\ }\ *t++ = c;\ }while(0) #define FMTRCHAR(f, t, s, c)\ do{\ if(t + 1 > (Rune*)s){\ t = __fmtflush(f, t, sizeof(Rune));\ if(t != nil)\ s = f->stop;\ else\ return -1;\ }\ *t++ = c;\ }while(0) #define FMTRUNE(f, t, s, r)\ do{\ Rune _rune;\ int _runelen;\ if(t + UTFmax > (char*)s && t + (_runelen = runelen(r)) > (char*)s){\ t = __fmtflush(f, t, _runelen);\ if(t != nil)\ s = f->stop;\ else\ return -1;\ }\ if(r < Runeself)\ *t++ = r;\ else{\ _rune = r;\ t += runetochar(t, &_rune);\ }\ }while(0)