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.
16 91c13e54 2004-02-29 devnull * dofmt -- format to a buffer
17 91c13e54 2004-02-29 devnull * the number of characters formatted is returned,
18 91c13e54 2004-02-29 devnull * or -1 if there was an error.
19 91c13e54 2004-02-29 devnull * if the buffer is ever filled, flush is called.
20 91c13e54 2004-02-29 devnull * it should reset the buffer and return whether formatting should continue.
23 91c13e54 2004-02-29 devnull typedef int (*Fmts)(Fmt*);
25 91c13e54 2004-02-29 devnull typedef struct Quoteinfo Quoteinfo;
26 91c13e54 2004-02-29 devnull struct Quoteinfo
28 91c13e54 2004-02-29 devnull int quoted; /* if set, string must be quoted */
29 91c13e54 2004-02-29 devnull int nrunesin; /* number of input runes that can be accepted */
30 91c13e54 2004-02-29 devnull int nbytesin; /* number of input bytes that can be accepted */
31 91c13e54 2004-02-29 devnull int nrunesout; /* number of runes that will be generated */
32 91c13e54 2004-02-29 devnull int nbytesout; /* number of bytes that will be generated */
35 e5aa96ac 2004-12-26 devnull /* Edit .+1,/^$/ |cfn |grep -v static | grep __ */
36 e5aa96ac 2004-12-26 devnull double __Inf(int sign);
37 e5aa96ac 2004-12-26 devnull double __NaN(void);
38 e5aa96ac 2004-12-26 devnull int __badfmt(Fmt *f);
39 e5aa96ac 2004-12-26 devnull int __charfmt(Fmt *f);
40 e5aa96ac 2004-12-26 devnull int __countfmt(Fmt *f);
41 e5aa96ac 2004-12-26 devnull int __efgfmt(Fmt *fmt);
42 e5aa96ac 2004-12-26 devnull int __errfmt(Fmt *f);
43 e5aa96ac 2004-12-26 devnull int __flagfmt(Fmt *f);
44 e5aa96ac 2004-12-26 devnull int __fmtFdFlush(Fmt *f);
45 e5aa96ac 2004-12-26 devnull int __fmtcpy(Fmt *f, const void *vm, int n, int sz);
46 e5aa96ac 2004-12-26 devnull void* __fmtdispatch(Fmt *f, void *fmt, int isrunes);
47 e5aa96ac 2004-12-26 devnull void * __fmtflush(Fmt *f, void *t, int len);
48 e5aa96ac 2004-12-26 devnull void __fmtlock(void);
49 e5aa96ac 2004-12-26 devnull int __fmtpad(Fmt *f, int n);
50 e5aa96ac 2004-12-26 devnull double __fmtpow10(int n);
51 e5aa96ac 2004-12-26 devnull int __fmtrcpy(Fmt *f, const void *vm, int n);
52 e5aa96ac 2004-12-26 devnull void __fmtunlock(void);
53 e5aa96ac 2004-12-26 devnull int __ifmt(Fmt *f);
54 e5aa96ac 2004-12-26 devnull int __isInf(double d, int sign);
55 e5aa96ac 2004-12-26 devnull int __isNaN(double d);
56 e5aa96ac 2004-12-26 devnull int __needsquotes(char *s, int *quotelenp);
57 e5aa96ac 2004-12-26 devnull int __percentfmt(Fmt *f);
58 e5aa96ac 2004-12-26 devnull void __quotesetup(char *s, Rune *r, int nin, int nout, Quoteinfo *q, int sharp, int runesout);
59 e5aa96ac 2004-12-26 devnull int __quotestrfmt(int runesin, Fmt *f);
60 e5aa96ac 2004-12-26 devnull int __rfmtpad(Fmt *f, int n);
61 e5aa96ac 2004-12-26 devnull int __runefmt(Fmt *f);
62 e5aa96ac 2004-12-26 devnull int __runeneedsquotes(Rune *r, int *quotelenp);
63 e5aa96ac 2004-12-26 devnull int __runesfmt(Fmt *f);
64 e5aa96ac 2004-12-26 devnull int __strfmt(Fmt *f);
66 91c13e54 2004-02-29 devnull #define FMTCHAR(f, t, s, c)\
68 91c13e54 2004-02-29 devnull if(t + 1 > (char*)s){\
69 91c13e54 2004-02-29 devnull t = __fmtflush(f, t, 1);\
70 91c13e54 2004-02-29 devnull if(t != nil)\
71 91c13e54 2004-02-29 devnull s = f->stop;\
73 91c13e54 2004-02-29 devnull return -1;\
75 91c13e54 2004-02-29 devnull *t++ = c;\
76 91c13e54 2004-02-29 devnull }while(0)
78 91c13e54 2004-02-29 devnull #define FMTRCHAR(f, t, s, c)\
80 91c13e54 2004-02-29 devnull if(t + 1 > (Rune*)s){\
81 91c13e54 2004-02-29 devnull t = __fmtflush(f, t, sizeof(Rune));\
82 91c13e54 2004-02-29 devnull if(t != nil)\
83 91c13e54 2004-02-29 devnull s = f->stop;\
85 91c13e54 2004-02-29 devnull return -1;\
87 91c13e54 2004-02-29 devnull *t++ = c;\
88 91c13e54 2004-02-29 devnull }while(0)
90 91c13e54 2004-02-29 devnull #define FMTRUNE(f, t, s, r)\
92 91c13e54 2004-02-29 devnull Rune _rune;\
93 91c13e54 2004-02-29 devnull int _runelen;\
94 91c13e54 2004-02-29 devnull if(t + UTFmax > (char*)s && t + (_runelen = runelen(r)) > (char*)s){\
95 91c13e54 2004-02-29 devnull t = __fmtflush(f, t, _runelen);\
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 if(r < Runeself)\
102 91c13e54 2004-02-29 devnull *t++ = r;\
104 91c13e54 2004-02-29 devnull _rune = r;\
105 91c13e54 2004-02-29 devnull t += runetochar(t, &_rune);\
107 91c13e54 2004-02-29 devnull }while(0)
109 df121a00 2004-12-26 devnull #ifdef va_copy
110 df121a00 2004-12-26 devnull # define VA_COPY(a,b) va_copy(a,b)
111 df121a00 2004-12-26 devnull # define VA_END(a) va_end(a)
113 df121a00 2004-12-26 devnull # define VA_COPY(a,b) (a) = (b)
114 df121a00 2004-12-26 devnull # define VA_END(a)
