2 91c13e54 2004-02-29 devnull * The authors of this software are Rob Pike and Ken Thompson.
3 91c13e54 2004-02-29 devnull * Copyright (c) 2002 by Lucent Technologies.
4 91c13e54 2004-02-29 devnull * Permission to use, copy, modify, and distribute this software for any
5 91c13e54 2004-02-29 devnull * purpose without fee is hereby granted, provided that this entire notice
6 91c13e54 2004-02-29 devnull * is included in all copies of any software which is or includes a copy
7 91c13e54 2004-02-29 devnull * or modification of this software and in all copies of the supporting
8 91c13e54 2004-02-29 devnull * documentation for such software.
9 91c13e54 2004-02-29 devnull * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
10 91c13e54 2004-02-29 devnull * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY
11 91c13e54 2004-02-29 devnull * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY
12 91c13e54 2004-02-29 devnull * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
15 91c13e54 2004-02-29 devnull * dofmt -- format to a buffer
16 91c13e54 2004-02-29 devnull * the number of characters formatted is returned,
17 91c13e54 2004-02-29 devnull * or -1 if there was an error.
18 91c13e54 2004-02-29 devnull * if the buffer is ever filled, flush is called.
19 91c13e54 2004-02-29 devnull * it should reset the buffer and return whether formatting should continue.
21 91c13e54 2004-02-29 devnull #define uchar _fmtuchar
22 91c13e54 2004-02-29 devnull #define ushort _fmtushort
23 91c13e54 2004-02-29 devnull #define uint _fmtuint
24 91c13e54 2004-02-29 devnull #define ulong _fmtulong
25 91c13e54 2004-02-29 devnull #define vlong _fmtvlong
26 91c13e54 2004-02-29 devnull #define uvlong _fmtuvlong
28 91c13e54 2004-02-29 devnull #define USED(x) if(x);else
30 91c13e54 2004-02-29 devnull typedef unsigned char uchar;
31 91c13e54 2004-02-29 devnull typedef unsigned short ushort;
32 91c13e54 2004-02-29 devnull typedef unsigned int uint;
33 91c13e54 2004-02-29 devnull typedef unsigned long ulong;
35 91c13e54 2004-02-29 devnull #ifndef NOVLONGS
36 91c13e54 2004-02-29 devnull typedef unsigned long long uvlong;
37 91c13e54 2004-02-29 devnull typedef long long vlong;
40 91c13e54 2004-02-29 devnull #define nil 0 /* cannot be ((void*)0) because used for function pointers */
42 91c13e54 2004-02-29 devnull typedef int (*Fmts)(Fmt*);
44 91c13e54 2004-02-29 devnull typedef struct Quoteinfo Quoteinfo;
45 91c13e54 2004-02-29 devnull struct Quoteinfo
47 91c13e54 2004-02-29 devnull int quoted; /* if set, string must be quoted */
48 91c13e54 2004-02-29 devnull int nrunesin; /* number of input runes that can be accepted */
49 91c13e54 2004-02-29 devnull int nbytesin; /* number of input bytes that can be accepted */
50 91c13e54 2004-02-29 devnull int nrunesout; /* number of runes that will be generated */
51 91c13e54 2004-02-29 devnull int nbytesout; /* number of bytes that will be generated */
54 91c13e54 2004-02-29 devnull void *__fmtflush(Fmt*, void*, int);
55 91c13e54 2004-02-29 devnull void *__fmtdispatch(Fmt*, void*, int);
56 91c13e54 2004-02-29 devnull int __floatfmt(Fmt*, double);
57 91c13e54 2004-02-29 devnull int __fmtpad(Fmt*, int);
58 91c13e54 2004-02-29 devnull int __rfmtpad(Fmt*, int);
59 91c13e54 2004-02-29 devnull int __fmtFdFlush(Fmt*);
61 91c13e54 2004-02-29 devnull int __efgfmt(Fmt*);
62 91c13e54 2004-02-29 devnull int __charfmt(Fmt*);
63 91c13e54 2004-02-29 devnull int __runefmt(Fmt*);
64 91c13e54 2004-02-29 devnull int __runesfmt(Fmt*);
65 91c13e54 2004-02-29 devnull int __countfmt(Fmt*);
66 91c13e54 2004-02-29 devnull int __flagfmt(Fmt*);
67 91c13e54 2004-02-29 devnull int __percentfmt(Fmt*);
68 91c13e54 2004-02-29 devnull int __ifmt(Fmt*);
69 91c13e54 2004-02-29 devnull int __strfmt(Fmt*);
70 91c13e54 2004-02-29 devnull int __badfmt(Fmt*);
71 91c13e54 2004-02-29 devnull int __fmtcpy(Fmt*, const void*, int, int);
72 91c13e54 2004-02-29 devnull int __fmtrcpy(Fmt*, const void*, int n);
73 91c13e54 2004-02-29 devnull int __errfmt(Fmt *f);
75 91c13e54 2004-02-29 devnull double __fmtpow10(int);
77 91c13e54 2004-02-29 devnull void __fmtlock(void);
78 91c13e54 2004-02-29 devnull void __fmtunlock(void);
80 91c13e54 2004-02-29 devnull #define FMTCHAR(f, t, s, c)\
82 91c13e54 2004-02-29 devnull if(t + 1 > (char*)s){\
83 91c13e54 2004-02-29 devnull t = __fmtflush(f, t, 1);\
84 91c13e54 2004-02-29 devnull if(t != nil)\
85 91c13e54 2004-02-29 devnull s = f->stop;\
87 91c13e54 2004-02-29 devnull return -1;\
89 91c13e54 2004-02-29 devnull *t++ = c;\
90 91c13e54 2004-02-29 devnull }while(0)
92 91c13e54 2004-02-29 devnull #define FMTRCHAR(f, t, s, c)\
94 91c13e54 2004-02-29 devnull if(t + 1 > (Rune*)s){\
95 91c13e54 2004-02-29 devnull t = __fmtflush(f, t, sizeof(Rune));\
96 91c13e54 2004-02-29 devnull if(t != nil)\
97 91c13e54 2004-02-29 devnull s = f->stop;\
99 91c13e54 2004-02-29 devnull return -1;\
101 91c13e54 2004-02-29 devnull *t++ = c;\
102 91c13e54 2004-02-29 devnull }while(0)
104 91c13e54 2004-02-29 devnull #define FMTRUNE(f, t, s, r)\
106 91c13e54 2004-02-29 devnull Rune _rune;\
107 91c13e54 2004-02-29 devnull int _runelen;\
108 91c13e54 2004-02-29 devnull if(t + UTFmax > (char*)s && t + (_runelen = runelen(r)) > (char*)s){\
109 91c13e54 2004-02-29 devnull t = __fmtflush(f, t, _runelen);\
110 91c13e54 2004-02-29 devnull if(t != nil)\
111 91c13e54 2004-02-29 devnull s = f->stop;\
113 91c13e54 2004-02-29 devnull return -1;\
115 91c13e54 2004-02-29 devnull if(r < Runeself)\
116 91c13e54 2004-02-29 devnull *t++ = r;\
118 91c13e54 2004-02-29 devnull _rune = r;\
119 91c13e54 2004-02-29 devnull t += runetochar(t, &_rune);\
121 91c13e54 2004-02-29 devnull }while(0)
