104 lines
2.7 KiB
C
104 lines
2.7 KiB
C
/*
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* dofmt -- format to a buffer
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* the number of characters formatted is returned,
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* or -1 if there was an error.
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* if the buffer is ever filled, flush is called.
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* it should reset the buffer and return whether formatting should continue.
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*/
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typedef int (*Fmts)(Fmt*);
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typedef struct Quoteinfo Quoteinfo;
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struct Quoteinfo
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{
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int quoted; /* if set, string must be quoted */
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int nrunesin; /* number of input runes that can be accepted */
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int nbytesin; /* number of input bytes that can be accepted */
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int nrunesout; /* number of runes that will be generated */
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int nbytesout; /* number of bytes that will be generated */
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};
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/* Edit .+1,/^$/ |cfn |grep -v static | grep __ */
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double __Inf(int sign);
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double __NaN(void);
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int __badfmt(Fmt *f);
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int __charfmt(Fmt *f);
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int __countfmt(Fmt *f);
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int __efgfmt(Fmt *fmt);
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int __errfmt(Fmt *f);
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int __flagfmt(Fmt *f);
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int __fmtFdFlush(Fmt *f);
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int __fmtcpy(Fmt *f, const void *vm, int n, int sz);
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void* __fmtdispatch(Fmt *f, void *fmt, int isrunes);
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void * __fmtflush(Fmt *f, void *t, int len);
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void __fmtlock(void);
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int __fmtpad(Fmt *f, int n);
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double __fmtpow10(int n);
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int __fmtrcpy(Fmt *f, const void *vm, int n);
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void __fmtunlock(void);
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int __ifmt(Fmt *f);
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int __isInf(double d, int sign);
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int __isNaN(double d);
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int __needsquotes(char *s, int *quotelenp);
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int __percentfmt(Fmt *f);
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void __quotesetup(char *s, Rune *r, int nin, int nout, Quoteinfo *q, int sharp, int runesout);
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int __quotestrfmt(int runesin, Fmt *f);
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int __rfmtpad(Fmt *f, int n);
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int __runefmt(Fmt *f);
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int __runeneedsquotes(Rune *r, int *quotelenp);
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int __runesfmt(Fmt *f);
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int __strfmt(Fmt *f);
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#define FMTCHAR(f, t, s, c)\
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do{\
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if(t + 1 > (char*)s){\
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t = __fmtflush(f, t, 1);\
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if(t != nil)\
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s = f->stop;\
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else\
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return -1;\
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}\
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*t++ = c;\
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}while(0)
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#define FMTRCHAR(f, t, s, c)\
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do{\
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if(t + 1 > (Rune*)s){\
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t = __fmtflush(f, t, sizeof(Rune));\
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if(t != nil)\
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s = f->stop;\
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else\
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return -1;\
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}\
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*t++ = c;\
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}while(0)
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#define FMTRUNE(f, t, s, r)\
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do{\
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Rune _rune;\
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int _runelen;\
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if(t + UTFmax > (char*)s && t + (_runelen = runelen(r)) > (char*)s){\
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t = __fmtflush(f, t, _runelen);\
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if(t != nil)\
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s = f->stop;\
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else\
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return -1;\
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}\
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if(r < Runeself)\
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*t++ = r;\
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else{\
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_rune = r;\
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t += runetochar(t, &_rune);\
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}\
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}while(0)
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#ifdef va_copy
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# define VA_COPY(a,b) va_copy(a,b)
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# define VA_END(a) va_end(a)
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#else
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# define VA_COPY(a,b) (a) = (b)
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# define VA_END(a)
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#endif
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#define PLAN9PORT
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