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