1 
2 /*
3  * The authors of this software are Rob Pike and Ken Thompson.
4  *              Copyright (c) 2002 by Lucent Technologies.
5  * Permission to use, copy, modify, and distribute this software for any
6  * purpose without fee is hereby granted, provided that this entire notice
7  * is included in all copies of any software which is or includes a copy
8  * or modification of this software and in all copies of the supporting
9  * documentation for such software.
10  * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
11  * WARRANTY.  IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY
12  * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY
13  * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
14  */
15 
16 #ifndef _FMTH_
17 #define _FMTH_ 1
18 
19 #include <stdarg.h>
20 
21 #ifndef _UTFH_
22 #include <utf.h>
23 #endif
24 
25 typedef struct Fmt	Fmt;
26 struct Fmt{
27 	unsigned char	runes;		/* output buffer is runes or chars? */
28 	void	*start;			/* of buffer */
29 	void	*to;			/* current place in the buffer */
30 	void	*stop;			/* end of the buffer; overwritten if flush fails */
31 	int	(*flush)(Fmt *);	/* called when to == stop */
32 	void	*farg;			/* to make flush a closure */
33 	int	nfmt;			/* num chars formatted so far */
34 	va_list	args;			/* args passed to dofmt */
35 	int	r;			/* % format Rune */
36 	int	width;
37 	int	prec;
38 	unsigned long	flags;
39 };
40 
41 enum{
42 	FmtWidth	= 1,
43 	FmtLeft		= FmtWidth << 1,
44 	FmtPrec		= FmtLeft << 1,
45 	FmtSharp	= FmtPrec << 1,
46 	FmtSpace	= FmtSharp << 1,
47 	FmtSign		= FmtSpace << 1,
48 	FmtZero		= FmtSign << 1,
49 	FmtUnsigned	= FmtZero << 1,
50 	FmtShort	= FmtUnsigned << 1,
51 	FmtLong		= FmtShort << 1,
52 	FmtVLong	= FmtLong << 1,
53 	FmtComma	= FmtVLong << 1,
54 	FmtByte		= FmtComma << 1,
55 	FmtLDouble	= FmtByte << 1,
56 
57 	FmtFlag		= FmtLDouble << 1
58 };
59 
60 extern	int	print(char*, ...);
61 extern	char*	seprint(char*, char*, char*, ...);
62 extern	char*	vseprint(char*, char*, char*, va_list);
63 extern	int	snprint(char*, int, char*, ...);
64 extern	int	vsnprint(char*, int, char*, va_list);
65 extern	char*	smprint(char*, ...);
66 extern	char*	vsmprint(char*, va_list);
67 extern	int	sprint(char*, char*, ...);
68 extern	int	fprint(int, char*, ...);
69 extern	int	vfprint(int, char*, va_list);
70 
71 extern	int	runesprint(Rune*, char*, ...);
72 extern	int	runesnprint(Rune*, int, char*, ...);
73 extern	int	runevsnprint(Rune*, int, char*, va_list);
74 extern	Rune*	runeseprint(Rune*, Rune*, char*, ...);
75 extern	Rune*	runevseprint(Rune*, Rune*, char*, va_list);
76 extern	Rune*	runesmprint(char*, ...);
77 extern	Rune*	runevsmprint(char*, va_list);
78 
79 extern	int	fmtfdinit(Fmt*, int, char*, int);
80 extern	int	fmtfdflush(Fmt*);
81 extern	int	fmtstrinit(Fmt*);
82 extern	char*	fmtstrflush(Fmt*);
83 extern	int	runefmtstrinit(Fmt*);
84 
85 extern	int	quotestrfmt(Fmt *f);
86 extern	void	quotefmtinstall(void);
87 extern	int	(*fmtdoquote)(int);
88 
89 
90 extern	int	fmtinstall(int, int (*)(Fmt*));
91 extern	int	dofmt(Fmt*, char*);
92 extern	int	fmtprint(Fmt*, char*, ...);
93 extern	int	fmtvprint(Fmt*, char*, va_list);
94 extern	int	fmtrune(Fmt*, int);
95 extern	int	fmtstrcpy(Fmt*, char*);
96 
97 extern	double	fmtstrtod(const char *, char **);
98 extern	double	fmtcharstod(int(*)(void*), void*);
99 
100 #endif