1 85231fd8 2006-05-21 devnull /* Copyright (c) 2002-2006 Lucent Technologies; see LICENSE */
  2 e5aa96ac 2004-12-26 devnull 
  3 91c13e54 2004-02-29 devnull /*
  4 91c13e54 2004-02-29 devnull  * dofmt -- format to a buffer
  5 91c13e54 2004-02-29 devnull  * the number of characters formatted is returned,
  6 91c13e54 2004-02-29 devnull  * or -1 if there was an error.
  7 91c13e54 2004-02-29 devnull  * if the buffer is ever filled, flush is called.
  8 91c13e54 2004-02-29 devnull  * it should reset the buffer and return whether formatting should continue.
  9 91c13e54 2004-02-29 devnull  */
 10 91c13e54 2004-02-29 devnull 
 11 91c13e54 2004-02-29 devnull typedef int (*Fmts)(Fmt*);
 12 91c13e54 2004-02-29 devnull 
 13 91c13e54 2004-02-29 devnull typedef struct Quoteinfo Quoteinfo;
 14 91c13e54 2004-02-29 devnull struct Quoteinfo
 15 91c13e54 2004-02-29 devnull {
 16 91c13e54 2004-02-29 devnull 	int	quoted;		/* if set, string must be quoted */
 17 91c13e54 2004-02-29 devnull 	int	nrunesin;	/* number of input runes that can be accepted */
 18 91c13e54 2004-02-29 devnull 	int	nbytesin;	/* number of input bytes that can be accepted */
 19 91c13e54 2004-02-29 devnull 	int	nrunesout;	/* number of runes that will be generated */
 20 91c13e54 2004-02-29 devnull 	int	nbytesout;	/* number of bytes that will be generated */
 21 91c13e54 2004-02-29 devnull };
 22 91c13e54 2004-02-29 devnull 
 23 e5aa96ac 2004-12-26 devnull /* Edit .+1,/^$/ |cfn |grep -v static | grep __ */
 24 e5aa96ac 2004-12-26 devnull double       __Inf(int sign);
 25 e5aa96ac 2004-12-26 devnull double       __NaN(void);
 26 e5aa96ac 2004-12-26 devnull int          __badfmt(Fmt *f);
 27 e5aa96ac 2004-12-26 devnull int          __charfmt(Fmt *f);
 28 e5aa96ac 2004-12-26 devnull int          __countfmt(Fmt *f);
 29 e5aa96ac 2004-12-26 devnull int          __efgfmt(Fmt *fmt);
 30 e5aa96ac 2004-12-26 devnull int          __errfmt(Fmt *f);
 31 e5aa96ac 2004-12-26 devnull int          __flagfmt(Fmt *f);
 32 e5aa96ac 2004-12-26 devnull int          __fmtFdFlush(Fmt *f);
 33 e5aa96ac 2004-12-26 devnull int          __fmtcpy(Fmt *f, const void *vm, int n, int sz);
 34 e5aa96ac 2004-12-26 devnull void*        __fmtdispatch(Fmt *f, void *fmt, int isrunes);
 35 e5aa96ac 2004-12-26 devnull void *       __fmtflush(Fmt *f, void *t, int len);
 36 e5aa96ac 2004-12-26 devnull int          __fmtpad(Fmt *f, int n);
 37 e5aa96ac 2004-12-26 devnull double       __fmtpow10(int n);
 38 e5aa96ac 2004-12-26 devnull int          __fmtrcpy(Fmt *f, const void *vm, int n);
 39 9505cd15 2020-01-14 rsc void         __fmtlock(void);
 40 9505cd15 2020-01-14 rsc void         __fmtunlock(void);
 41 e5aa96ac 2004-12-26 devnull int          __ifmt(Fmt *f);
 42 e5aa96ac 2004-12-26 devnull int          __isInf(double d, int sign);
 43 e5aa96ac 2004-12-26 devnull int          __isNaN(double d);
 44 e17e1a71 2006-05-22 devnull int          __needsep(int*, char**);
 45 e5aa96ac 2004-12-26 devnull int          __needsquotes(char *s, int *quotelenp);
 46 e5aa96ac 2004-12-26 devnull int          __percentfmt(Fmt *f);
 47 e5aa96ac 2004-12-26 devnull void         __quotesetup(char *s, Rune *r, int nin, int nout, Quoteinfo *q, int sharp, int runesout);
 48 e5aa96ac 2004-12-26 devnull int          __quotestrfmt(int runesin, Fmt *f);
 49 e5aa96ac 2004-12-26 devnull int          __rfmtpad(Fmt *f, int n);
 50 e5aa96ac 2004-12-26 devnull int          __runefmt(Fmt *f);
 51 e5aa96ac 2004-12-26 devnull int          __runeneedsquotes(Rune *r, int *quotelenp);
 52 e5aa96ac 2004-12-26 devnull int          __runesfmt(Fmt *f);
 53 e5aa96ac 2004-12-26 devnull int          __strfmt(Fmt *f);
 54 91c13e54 2004-02-29 devnull 
 55 91c13e54 2004-02-29 devnull #define FMTCHAR(f, t, s, c)\
 56 91c13e54 2004-02-29 devnull 	do{\
 57 91c13e54 2004-02-29 devnull 	if(t + 1 > (char*)s){\
 58 85231fd8 2006-05-21 devnull 		t = (char*)__fmtflush(f, t, 1);\
 59 91c13e54 2004-02-29 devnull 		if(t != nil)\
 60 85231fd8 2006-05-21 devnull 			s = (char*)f->stop;\
 61 91c13e54 2004-02-29 devnull 		else\
 62 91c13e54 2004-02-29 devnull 			return -1;\
 63 91c13e54 2004-02-29 devnull 	}\
 64 91c13e54 2004-02-29 devnull 	*t++ = c;\
 65 91c13e54 2004-02-29 devnull 	}while(0)
 66 91c13e54 2004-02-29 devnull 
 67 91c13e54 2004-02-29 devnull #define FMTRCHAR(f, t, s, c)\
 68 91c13e54 2004-02-29 devnull 	do{\
 69 91c13e54 2004-02-29 devnull 	if(t + 1 > (Rune*)s){\
 70 85231fd8 2006-05-21 devnull 		t = (Rune*)__fmtflush(f, t, sizeof(Rune));\
 71 91c13e54 2004-02-29 devnull 		if(t != nil)\
 72 85231fd8 2006-05-21 devnull 			s = (Rune*)f->stop;\
 73 91c13e54 2004-02-29 devnull 		else\
 74 91c13e54 2004-02-29 devnull 			return -1;\
 75 91c13e54 2004-02-29 devnull 	}\
 76 91c13e54 2004-02-29 devnull 	*t++ = c;\
 77 91c13e54 2004-02-29 devnull 	}while(0)
 78 91c13e54 2004-02-29 devnull 
 79 91c13e54 2004-02-29 devnull #define FMTRUNE(f, t, s, r)\
 80 91c13e54 2004-02-29 devnull 	do{\
 81 91c13e54 2004-02-29 devnull 	Rune _rune;\
 82 91c13e54 2004-02-29 devnull 	int _runelen;\
 83 91c13e54 2004-02-29 devnull 	if(t + UTFmax > (char*)s && t + (_runelen = runelen(r)) > (char*)s){\
 84 85231fd8 2006-05-21 devnull 		t = (char*)__fmtflush(f, t, _runelen);\
 85 91c13e54 2004-02-29 devnull 		if(t != nil)\
 86 85231fd8 2006-05-21 devnull 			s = (char*)f->stop;\
 87 91c13e54 2004-02-29 devnull 		else\
 88 91c13e54 2004-02-29 devnull 			return -1;\
 89 91c13e54 2004-02-29 devnull 	}\
 90 91c13e54 2004-02-29 devnull 	if(r < Runeself)\
 91 91c13e54 2004-02-29 devnull 		*t++ = r;\
 92 91c13e54 2004-02-29 devnull 	else{\
 93 91c13e54 2004-02-29 devnull 		_rune = r;\
 94 91c13e54 2004-02-29 devnull 		t += runetochar(t, &_rune);\
 95 91c13e54 2004-02-29 devnull 	}\
 96 91c13e54 2004-02-29 devnull 	}while(0)
 97 df121a00 2004-12-26 devnull 
 98 df121a00 2004-12-26 devnull #ifdef va_copy
 99 df121a00 2004-12-26 devnull #	define VA_COPY(a,b) va_copy(a,b)
100 df121a00 2004-12-26 devnull #	define VA_END(a) va_end(a)
101 df121a00 2004-12-26 devnull #else
102 df121a00 2004-12-26 devnull #	define VA_COPY(a,b) (a) = (b)
103 df121a00 2004-12-26 devnull #	define VA_END(a)
104 df121a00 2004-12-26 devnull #endif