| /* Copyright (c) 2002-2006 Lucent Technologies; see LICENSE */ |
| |
| /* |
| * 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 |
| |