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WebSVN – planix.SVN – Blame – /os/branches/feature_posix/sys/src/cmd/unix/drawterm/libc/fmtdef.h – Rev 2

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/*
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 * dofmt -- format to a buffer
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 * the number of characters formatted is returned,
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 * or -1 if there was an error.
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 * if the buffer is ever filled, flush is called.
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 * it should reset the buffer and return whether formatting should continue.
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 */
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typedef int (*Fmts)(Fmt*);
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typedef struct Quoteinfo Quoteinfo;
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struct Quoteinfo
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{
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	int	quoted;		/* if set, string must be quoted */
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	int	nrunesin;	/* number of input runes that can be accepted */
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	int	nbytesin;	/* number of input bytes that can be accepted */
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	int	nrunesout;	/* number of runes that will be generated */
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	int	nbytesout;	/* number of bytes that will be generated */
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};
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/* Edit .+1,/^$/ |cfn |grep -v static | grep __ */
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double       __Inf(int sign);
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double       __NaN(void);
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int          __badfmt(Fmt *f);
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int          __charfmt(Fmt *f);
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int          __countfmt(Fmt *f);
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int          __efgfmt(Fmt *fmt);
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int          __errfmt(Fmt *f);
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int          __flagfmt(Fmt *f);
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int          __fmtFdFlush(Fmt *f);
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int          __fmtcpy(Fmt *f, const void *vm, int n, int sz);
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void*        __fmtdispatch(Fmt *f, void *fmt, int isrunes);
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void *       __fmtflush(Fmt *f, void *t, int len);
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void         __fmtlock(void);
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int          __fmtpad(Fmt *f, int n);
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double       __fmtpow10(int n);
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int          __fmtrcpy(Fmt *f, const void *vm, int n);
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void         __fmtunlock(void);
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int          __ifmt(Fmt *f);
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int          __isInf(double d, int sign);
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int          __isNaN(double d);
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int          __needsquotes(char *s, int *quotelenp);
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int          __percentfmt(Fmt *f);
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void         __quotesetup(char *s, Rune *r, int nin, int nout, Quoteinfo *q, int sharp, int runesout);
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int          __quotestrfmt(int runesin, Fmt *f);
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int          __rfmtpad(Fmt *f, int n);
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int          __runefmt(Fmt *f);
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int          __runeneedsquotes(Rune *r, int *quotelenp);
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int          __runesfmt(Fmt *f);
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int          __strfmt(Fmt *f);
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#define FMTCHAR(f, t, s, c)\
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	do{\
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	if(t + 1 > (char*)s){\
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		t = __fmtflush(f, t, 1);\
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		if(t != nil)\
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			s = f->stop;\
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		else\
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			return -1;\
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	}\
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	*t++ = c;\
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	}while(0)
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#define FMTRCHAR(f, t, s, c)\
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	do{\
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	if(t + 1 > (Rune*)s){\
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		t = __fmtflush(f, t, sizeof(Rune));\
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		if(t != nil)\
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			s = f->stop;\
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		else\
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			return -1;\
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	}\
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	*t++ = c;\
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	}while(0)
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#define FMTRUNE(f, t, s, r)\
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	do{\
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	Rune _rune;\
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	int _runelen;\
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	if(t + UTFmax > (char*)s && t + (_runelen = runelen(r)) > (char*)s){\
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		t = __fmtflush(f, t, _runelen);\
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		if(t != nil)\
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			s = f->stop;\
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		else\
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			return -1;\
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	}\
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	if(r < Runeself)\
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		*t++ = r;\
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	else{\
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		_rune = r;\
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		t += runetochar(t, &_rune);\
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	}\
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	}while(0)
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#ifdef va_copy
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#	define VA_COPY(a,b) va_copy(a,b)
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#	define VA_END(a) va_end(a)
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#else
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#	define VA_COPY(a,b) (a) = (b)
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#	define VA_END(a)
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#endif
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#define PLAN9PORT