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 	int	r;			/* % format Rune */
34 	int	width;
35 	int	prec;
36 	unsigned long	flags;
37 };
38 
39 enum{
40 	FmtWidth	= 1,
41 	FmtLeft		= FmtWidth << 1,
42 	FmtPrec		= FmtLeft << 1,
43 	FmtSharp	= FmtPrec << 1,
44 	FmtSpace	= FmtSharp << 1,
45 	FmtSign		= FmtSpace << 1,
46 	FmtZero		= FmtSign << 1,
47 	FmtUnsigned	= FmtZero << 1,
48 	FmtShort	= FmtUnsigned << 1,
49 	FmtLong		= FmtShort << 1,
50 	FmtVLong	= FmtLong << 1,
51 	FmtComma	= FmtVLong << 1,
52 	FmtByte		= FmtComma << 1,
53 	FmtLDouble	= FmtByte << 1,
54 
55 	FmtFlag		= FmtLDouble << 1
56 };
57 
58 extern	int	(*fmtdoquote)(int);
59 
60 /* Edit .+1,/^$/ | cfn $PLAN9/src/lib9/fmt/?*.c | grep -v static |grep -v __ */
61 int		dofmt(Fmt *f, char *fmt);
62 int		dorfmt(Fmt *f, const Rune *fmt);
63 double		fmtcharstod(int(*f)(void*), void *vp);
64 int		fmtfdflush(Fmt *f);
65 int		fmtfdinit(Fmt *f, int fd, char *buf, int size);
66 int		fmtinstall(int c, int (*f)(Fmt*));
67 int		fmtprint(Fmt *f, char *fmt, ...);
68 int		fmtrune(Fmt *f, int r);
69 int		fmtrunestrcpy(Fmt *f, Rune *s);
70 int		fmtstrcpy(Fmt *f, char *s);
71 char*		fmtstrflush(Fmt *f);
72 int		fmtstrinit(Fmt *f);
73 double		fmtstrtod(const char *as, char **aas);
74 int		fmtvprint(Fmt *f, char *fmt, va_list args);
75 int		fprint(int fd, char *fmt, ...);
76 int		print(char *fmt, ...);
77 void		quotefmtinstall(void);
78 int		quoterunestrfmt(Fmt *f);
79 int		quotestrfmt(Fmt *f);
80 Rune*		runefmtstrflush(Fmt *f);
81 int		runefmtstrinit(Fmt *f);
82 Rune*		runeseprint(Rune *buf, Rune *e, char *fmt, ...);
83 Rune*		runesmprint(char *fmt, ...);
84 int		runesnprint(Rune *buf, int len, char *fmt, ...);
85 int		runesprint(Rune *buf, char *fmt, ...);
86 Rune*		runevseprint(Rune *buf, Rune *e, char *fmt, va_list args);
87 Rune*		runevsmprint(char *fmt, va_list args);
88 int		runevsnprint(Rune *buf, int len, char *fmt, va_list args);
89 char*		seprint(char *buf, char *e, char *fmt, ...);
90 char*		smprint(char *fmt, ...);
91 int		snprint(char *buf, int len, char *fmt, ...);
92 int		sprint(char *buf, char *fmt, ...);
93 int		vfprint(int fd, char *fmt, va_list args);
94 char*		vseprint(char *buf, char *e, char *fmt, va_list args);
95 char*		vsmprint(char *fmt, va_list args);
96 int		vsnprint(char *buf, int len, char *fmt, va_list args);
97 
98 #if defined(__cplusplus)
99 }
100 #endif
101 #endif