ref: 2bbc75bddc6f2a07056ff017108e35f14061041b
dir: /libc/fmtdef.h/
/* * 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 __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 = __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) #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 #define PLAN9PORT