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fmt.h (3921B)


      1 #ifndef _FMT_H_
      2 #define _FMT_H_ 1
      3 #if defined(__cplusplus)
      4 extern "C" { 
      5 #endif
      6 /*
      7  * The authors of this software are Rob Pike and Ken Thompson.
      8  *              Copyright (c) 2002 by Lucent Technologies.
      9  * Permission to use, copy, modify, and distribute this software for any
     10  * purpose without fee is hereby granted, provided that this entire notice
     11  * is included in all copies of any software which is or includes a copy
     12  * or modification of this software and in all copies of the supporting
     13  * documentation for such software.
     14  * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
     15  * WARRANTY.  IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY
     16  * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY
     17  * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
     18  */
     19 
     20 #include <stdarg.h>
     21 #include <utf.h>
     22 
     23 typedef struct Fmt	Fmt;
     24 struct Fmt{
     25 	unsigned char	runes;		/* output buffer is runes or chars? */
     26 	void	*start;			/* of buffer */
     27 	void	*to;			/* current place in the buffer */
     28 	void	*stop;			/* end of the buffer; overwritten if flush fails */
     29 	int	(*flush)(Fmt *);	/* called when to == stop */
     30 	void	*farg;			/* to make flush a closure */
     31 	int	nfmt;			/* num chars formatted so far */
     32 	va_list	args;			/* args passed to dofmt */
     33 	Rune	r;			/* % format Rune */
     34 	int	width;
     35 	int	prec;
     36 	unsigned long	flags;
     37 	char	*decimal;	/* decimal point; cannot be "" */
     38 
     39 	/* For %'d */
     40 	char *thousands;	/* separator for thousands */
     41 	
     42 	/* 
     43 	 * Each char is an integer indicating #digits before next separator. Values:
     44 	 *	\xFF: no more grouping (or \x7F; defined to be CHAR_MAX in POSIX)
     45 	 *	\x00: repeat previous indefinitely
     46 	 *	\x**: count that many
     47 	 */
     48 	char	*grouping;		/* descriptor of separator placement */
     49 };
     50 
     51 enum{
     52 	FmtWidth	= 1,
     53 	FmtLeft		= FmtWidth << 1,
     54 	FmtPrec		= FmtLeft << 1,
     55 	FmtSharp	= FmtPrec << 1,
     56 	FmtSpace	= FmtSharp << 1,
     57 	FmtSign		= FmtSpace << 1,
     58 	FmtApost		= FmtSign << 1,
     59 	FmtZero		= FmtApost << 1,
     60 	FmtUnsigned	= FmtZero << 1,
     61 	FmtShort	= FmtUnsigned << 1,
     62 	FmtLong		= FmtShort << 1,
     63 	FmtVLong	= FmtLong << 1,
     64 	FmtComma	= FmtVLong << 1,
     65 	FmtByte		= FmtComma << 1,
     66 	FmtLDouble	= FmtByte << 1,
     67 
     68 	FmtFlag		= FmtLDouble << 1
     69 };
     70 
     71 extern	int	(*fmtdoquote)(int);
     72 
     73 /* Edit .+1,/^$/ | cfn $PLAN9/src/lib9/fmt/?*.c | grep -v static |grep -v __ */
     74 int		dofmt(Fmt *f, char *fmt);
     75 int		dorfmt(Fmt *f, const Rune *fmt);
     76 double		fmtcharstod(int(*f)(void*), void *vp);
     77 int		fmtfdflush(Fmt *f);
     78 int		fmtfdinit(Fmt *f, int fd, char *buf, int size);
     79 int		fmtinstall(int c, int (*f)(Fmt*));
     80 int		fmtnullinit(Fmt*);
     81 void		fmtlocaleinit(Fmt*, char*, char*, char*);
     82 int		fmtprint(Fmt *f, char *fmt, ...);
     83 int		fmtrune(Fmt *f, int r);
     84 int		fmtrunestrcpy(Fmt *f, Rune *s);
     85 int		fmtstrcpy(Fmt *f, char *s);
     86 char*		fmtstrflush(Fmt *f);
     87 int		fmtstrinit(Fmt *f);
     88 double		fmtstrtod(const char *as, char **aas);
     89 int		fmtvprint(Fmt *f, char *fmt, va_list args);
     90 int		fprint(int fd, char *fmt, ...);
     91 int		print(char *fmt, ...);
     92 void		quotefmtinstall(void);
     93 int		quoterunestrfmt(Fmt *f);
     94 int		quotestrfmt(Fmt *f);
     95 Rune*		runefmtstrflush(Fmt *f);
     96 int		runefmtstrinit(Fmt *f);
     97 Rune*		runeseprint(Rune *buf, Rune *e, char *fmt, ...);
     98 Rune*		runesmprint(char *fmt, ...);
     99 int		runesnprint(Rune *buf, int len, char *fmt, ...);
    100 int		runesprint(Rune *buf, char *fmt, ...);
    101 Rune*		runevseprint(Rune *buf, Rune *e, char *fmt, va_list args);
    102 Rune*		runevsmprint(char *fmt, va_list args);
    103 int		runevsnprint(Rune *buf, int len, char *fmt, va_list args);
    104 char*		seprint(char *buf, char *e, char *fmt, ...);
    105 char*		smprint(char *fmt, ...);
    106 int		snprint(char *buf, int len, char *fmt, ...);
    107 int		sprint(char *buf, char *fmt, ...);
    108 int		vfprint(int fd, char *fmt, va_list args);
    109 char*		vseprint(char *buf, char *e, char *fmt, va_list args);
    110 char*		vsmprint(char *fmt, va_list args);
    111 int		vsnprint(char *buf, int len, char *fmt, va_list args);
    112 
    113 #if defined(__cplusplus)
    114 }
    115 #endif
    116 #endif