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Diffstat (limited to 'src/libfmt/fmtdef.h')
| -rw-r--r-- | src/libfmt/fmtdef.h | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/src/libfmt/fmtdef.h b/src/libfmt/fmtdef.h new file mode 100644 index 00000000..ca2010ab --- /dev/null +++ b/src/libfmt/fmtdef.h @@ -0,0 +1,121 @@ +/* + * 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) |