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Diffstat (limited to 'src/lib9/fmt/fmtdef.h')
| -rw-r--r-- | src/lib9/fmt/fmtdef.h | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/src/lib9/fmt/fmtdef.h b/src/lib9/fmt/fmtdef.h new file mode 100644 index 000000000..74cb8a8d2 --- /dev/null +++ b/src/lib9/fmt/fmtdef.h @@ -0,0 +1,119 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * + * Copyright (c) 2002-2006 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 + * NOR GOOGLE INC 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. + */ + +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 */ +}; + +/* Edit .+1,/^$/ |cfn |grep -v static | grep __ */ +double __Inf(int sign); +double __NaN(void); +int __badfmt(Fmt *f); +int __charfmt(Fmt *f); +int __countfmt(Fmt *f); +int __efgfmt(Fmt *fmt); +int __errfmt(Fmt *f); +int __flagfmt(Fmt *f); +int __fmtFdFlush(Fmt *f); +int __fmtcpy(Fmt *f, const void *vm, int n, int sz); +void* __fmtdispatch(Fmt *f, void *fmt, int isrunes); +void * __fmtflush(Fmt *f, void *t, int len); +void __fmtlock(void); +int __fmtpad(Fmt *f, int n); +double __fmtpow10(int n); +int __fmtrcpy(Fmt *f, const void *vm, int n); +void __fmtunlock(void); +int __ifmt(Fmt *f); +int __isInf(double d, int sign); +int __isNaN(double d); +int __needsep(int*, char**); +int __needsquotes(char *s, int *quotelenp); +int __percentfmt(Fmt *f); +void __quotesetup(char *s, Rune *r, int nin, int nout, Quoteinfo *q, int sharp, int runesout); +int __quotestrfmt(int runesin, Fmt *f); +int __rfmtpad(Fmt *f, int n); +int __runefmt(Fmt *f); +int __runeneedsquotes(Rune *r, int *quotelenp); +int __runesfmt(Fmt *f); +int __strfmt(Fmt *f); + +#define FMTCHAR(f, t, s, c)\ + do{\ + if(t + 1 > (char*)s){\ + t = (char*)__fmtflush(f, t, 1);\ + if(t != nil)\ + s = (char*)f->stop;\ + else\ + return -1;\ + }\ + *t++ = c;\ + }while(0) + +#define FMTRCHAR(f, t, s, c)\ + do{\ + if(t + 1 > (Rune*)s){\ + t = (Rune*)__fmtflush(f, t, sizeof(Rune));\ + if(t != nil)\ + s = (Rune*)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 = (char*)__fmtflush(f, t, _runelen);\ + if(t != nil)\ + s = (char*)f->stop;\ + else\ + return -1;\ + }\ + if(r < Runeself)\ + *t++ = r;\ + else{\ + _rune = r;\ + t += runetochar(t, &_rune);\ + }\ + }while(0) + +#ifdef va_copy +# define VA_COPY(a,b) va_copy(a,b) +# define VA_END(a) va_end(a) +#else +# define VA_COPY(a,b) (a) = (b) +# define VA_END(a) +#endif + |