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 #ifdef __cplusplus
19 extern "C" {
20 #endif
21 
22 #include <stdarg.h>
23 
24 #ifndef _UTFH_
25 #include <utf.h>
26 #endif
27 
28 typedef struct Fmt	Fmt;
29 struct Fmt{
30 	unsigned char	runes;		/* output buffer is runes or chars? */
31 	void	*start;			/* of buffer */
32 	void	*to;			/* current place in the buffer */
33 	void	*stop;			/* end of the buffer; overwritten if flush fails */
34 	int	(*flush)(Fmt *);	/* called when to == stop */
35 	void	*farg;			/* to make flush a closure */
36 	int	nfmt;			/* num chars formatted so far */
37 	va_list	args;			/* args passed to dofmt */
38 	int	r;			/* % format Rune */
39 	int	width;
40 	int	prec;
41 	unsigned long	flags;
42 };
43 
44 enum{
45 	FmtWidth	= 1,
46 	FmtLeft		= FmtWidth << 1,
47 	FmtPrec		= FmtLeft << 1,
48 	FmtSharp	= FmtPrec << 1,
49 	FmtSpace	= FmtSharp << 1,
50 	FmtSign		= FmtSpace << 1,
51 	FmtZero		= FmtSign << 1,
52 	FmtUnsigned	= FmtZero << 1,
53 	FmtShort	= FmtUnsigned << 1,
54 	FmtLong		= FmtShort << 1,
55 	FmtVLong	= FmtLong << 1,
56 	FmtComma	= FmtVLong << 1,
57 	FmtByte		= FmtComma << 1,
58 	FmtLDouble	= FmtByte << 1,
59 
60 	FmtFlag		= FmtLDouble << 1
61 };
62 
63 extern	int	print(char*, ...);
64 extern	char*	seprint(char*, char*, char*, ...);
65 extern	char*	vseprint(char*, char*, char*, va_list);
66 extern	int	snprint(char*, int, char*, ...);
67 extern	int	vsnprint(char*, int, char*, va_list);
68 extern	char*	smprint(char*, ...);
69 extern	char*	vsmprint(char*, va_list);
70 extern	int	sprint(char*, char*, ...);
71 extern	int	fprint(int, char*, ...);
72 extern	int	vfprint(int, char*, va_list);
73 
74 extern	int	runesprint(Rune*, char*, ...);
75 extern	int	runesnprint(Rune*, int, char*, ...);
76 extern	int	runevsnprint(Rune*, int, char*, va_list);
77 extern	Rune*	runeseprint(Rune*, Rune*, char*, ...);
78 extern	Rune*	runevseprint(Rune*, Rune*, char*, va_list);
79 extern	Rune*	runesmprint(char*, ...);
80 extern	Rune*	runevsmprint(char*, va_list);
81 
82 extern	int	fmtfdinit(Fmt*, int, char*, int);
83 extern	int	fmtfdflush(Fmt*);
84 extern	int	fmtstrinit(Fmt*);
85 extern	char*	fmtstrflush(Fmt*);
86 extern	int	runefmtstrinit(Fmt*);
87 
88 extern	int	quotestrfmt(Fmt *f);
89 extern	void	quotefmtinstall(void);
90 extern	int	(*fmtdoquote)(int);
91 
92 
93 extern	int	fmtinstall(int, int (*)(Fmt*));
94 extern	int	dofmt(Fmt*, char*);
95 extern	int	fmtprint(Fmt*, char*, ...);
96 extern	int	fmtvprint(Fmt*, char*, va_list);
97 extern	int	fmtrune(Fmt*, int);
98 extern	int	fmtstrcpy(Fmt*, char*);
99 
100 extern	double	fmtstrtod(const char *, char **);
101 extern	double	fmtcharstod(int(*)(void*), void*);
102 
103 #ifdef __cplusplus
104 }
105 #endif
106 #endif