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/*
* The authors of this software are Rob Pike and Ken Thompson.
* Copyright (c) 2002 by Lucent Technologies.
* Permission to use, copy, modify, and distribute this software for any
* purpose without fee is hereby granted, provided that this entire notice
* is included in all copies of any software which is or includes a copy
* or modification of this software and in all copies of the supporting
* documentation for such software.
* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
* WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY
* REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY
* OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
*/
/*
* dofmt -- format to a buffer
* the number of characters formatted is returned,
* or -1 if there was an error.
* if the buffer is ever filled, flush is called.
* it should reset the buffer and return whether formatting should continue.
*/
#define uchar _fmtuchar
#define ushort _fmtushort
#define uint _fmtuint
#define ulong _fmtulong
#define vlong _fmtvlong
#define uvlong _fmtuvlong
#define USED(x) if(x);else
typedef unsigned char uchar;
typedef unsigned short ushort;
typedef unsigned int uint;
typedef unsigned long ulong;
#ifndef NOVLONGS
typedef unsigned long long uvlong;
typedef long long vlong;
#endif
#define nil 0 /* cannot be ((void*)0) because used for function pointers */
typedef int (*Fmts)(Fmt*);
typedef struct Quoteinfo Quoteinfo;
struct Quoteinfo
{
int quoted; /* if set, string must be quoted */
int nrunesin; /* number of input runes that can be accepted */
int nbytesin; /* number of input bytes that can be accepted */
int nrunesout; /* number of runes that will be generated */
int nbytesout; /* number of bytes that will be generated */
};
void *__fmtflush(Fmt*, void*, int);
void *__fmtdispatch(Fmt*, void*, int);
int __floatfmt(Fmt*, double);
int __fmtpad(Fmt*, int);
int __rfmtpad(Fmt*, int);
int __fmtFdFlush(Fmt*);
int __efgfmt(Fmt*);
int __charfmt(Fmt*);
int __runefmt(Fmt*);
int __runesfmt(Fmt*);
int __countfmt(Fmt*);
int __flagfmt(Fmt*);
int __percentfmt(Fmt*);
int __ifmt(Fmt*);
int __strfmt(Fmt*);
int __badfmt(Fmt*);
int __fmtcpy(Fmt*, const void*, int, int);
int __fmtrcpy(Fmt*, const void*, int n);
int __errfmt(Fmt *f);
double __fmtpow10(int);
void __fmtlock(void);
void __fmtunlock(void);
#define FMTCHAR(f, t, s, c)\
do{\
if(t + 1 > (char*)s){\
t = __fmtflush(f, t, 1);\
if(t != nil)\
s = f->stop;\
else\
return -1;\
}\
*t++ = c;\
}while(0)
#define FMTRCHAR(f, t, s, c)\
do{\
if(t + 1 > (Rune*)s){\
t = __fmtflush(f, t, sizeof(Rune));\
if(t != nil)\
s = f->stop;\
else\
return -1;\
}\
*t++ = c;\
}while(0)
#define FMTRUNE(f, t, s, r)\
do{\
Rune _rune;\
int _runelen;\
if(t + UTFmax > (char*)s && t + (_runelen = runelen(r)) > (char*)s){\
t = __fmtflush(f, t, _runelen);\
if(t != nil)\
s = f->stop;\
else\
return -1;\
}\
if(r < Runeself)\
*t++ = r;\
else{\
_rune = r;\
t += runetochar(t, &_rune);\
}\
}while(0)
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