fmt.h (4087B)
1 #ifndef _FMT_H_ 2 #define _FMT_H_ 1 3 #if defined(__cplusplus) 4 extern "C" { 5 #endif 6 /* 7 * The authors of this software are Rob Pike and Ken Thompson. 8 * Copyright (c) 2002 by Lucent Technologies. 9 * Permission to use, copy, modify, and distribute this software for any 10 * purpose without fee is hereby granted, provided that this entire notice 11 * is included in all copies of any software which is or includes a copy 12 * or modification of this software and in all copies of the supporting 13 * documentation for such software. 14 * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED 15 * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY 16 * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY 17 * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. 18 */ 19 20 #include <stdarg.h> 21 #include <utf.h> 22 23 typedef struct Fmt Fmt; 24 struct Fmt { 25 unsigned char runes; /* output buffer is runes or chars? */ 26 void* start; /* of buffer */ 27 void* to; /* current place in the buffer */ 28 void* stop; /* end of the buffer; overwritten if flush fails */ 29 int (*flush)(Fmt*); /* called when to == stop */ 30 void* farg; /* to make flush a closure */ 31 int nfmt; /* num chars formatted so far */ 32 va_list args; /* args passed to dofmt */ 33 Rune r; /* % format Rune */ 34 int width; 35 int prec; 36 unsigned long flags; 37 char* decimal; /* decimal point; cannot be "" */ 38 39 /* For %'d */ 40 char* thousands; /* separator for thousands */ 41 42 /* 43 * Each char is an integer indicating #digits before next separator. Values: 44 * \xFF: no more grouping (or \x7F; defined to be CHAR_MAX in POSIX) 45 * \x00: repeat previous indefinitely 46 * \x**: count that many 47 */ 48 char* grouping; /* descriptor of separator placement */ 49 }; 50 51 enum { 52 FmtWidth = 1, 53 FmtLeft = FmtWidth << 1, 54 FmtPrec = FmtLeft << 1, 55 FmtSharp = FmtPrec << 1, 56 FmtSpace = FmtSharp << 1, 57 FmtSign = FmtSpace << 1, 58 FmtApost = FmtSign << 1, 59 FmtZero = FmtApost << 1, 60 FmtUnsigned = FmtZero << 1, 61 FmtShort = FmtUnsigned << 1, 62 FmtLong = FmtShort << 1, 63 FmtVLong = FmtLong << 1, 64 FmtComma = FmtVLong << 1, 65 FmtByte = FmtComma << 1, 66 FmtLDouble = FmtByte << 1, 67 68 FmtFlag = FmtLDouble << 1 69 }; 70 71 extern int (*fmtdoquote)(int); 72 73 /* Edit .+1,/^$/ | cfn $PLAN9/src/lib9/fmt/?*.c | grep -v static |grep -v __ */ 74 int dofmt(Fmt* f, char* fmt); 75 int dorfmt(Fmt* f, const Rune* fmt); 76 double fmtcharstod(int (*f)(void*), void* vp); 77 int fmtfdflush(Fmt* f); 78 int fmtfdinit(Fmt* f, int fd, char* buf, int size); 79 int fmtinstall(int c, int (*f)(Fmt*)); 80 int fmtnullinit(Fmt*); 81 void fmtlocaleinit(Fmt*, char*, char*, char*); 82 int fmtprint(Fmt* f, char* fmt, ...); 83 int fmtrune(Fmt* f, int r); 84 int fmtrunestrcpy(Fmt* f, Rune* s); 85 int fmtstrcpy(Fmt* f, char* s); 86 char* fmtstrflush(Fmt* f); 87 int fmtstrinit(Fmt* f); 88 double fmtstrtod(const char* as, char** aas); 89 int fmtvprint(Fmt* f, char* fmt, va_list args); 90 int fprint(int fd, char* fmt, ...); 91 int print(char* fmt, ...); 92 void quotefmtinstall(void); 93 int quoterunestrfmt(Fmt* f); 94 int quotestrfmt(Fmt* f); 95 Rune* runefmtstrflush(Fmt* f); 96 int runefmtstrinit(Fmt* f); 97 Rune* runeseprint(Rune* buf, Rune* e, char* fmt, ...); 98 Rune* runesmprint(char* fmt, ...); 99 int runesnprint(Rune* buf, int len, char* fmt, ...); 100 int runesprint(Rune* buf, char* fmt, ...); 101 Rune* runevseprint(Rune* buf, Rune* e, char* fmt, va_list args); 102 Rune* runevsmprint(char* fmt, va_list args); 103 int runevsnprint(Rune* buf, int len, char* fmt, va_list args); 104 char* seprint(char* buf, char* e, char* fmt, ...); 105 char* smprint(char* fmt, ...); 106 int snprint(char* buf, int len, char* fmt, ...); 107 int sprint(char* buf, char* fmt, ...); 108 int vfprint(int fd, char* fmt, va_list args); 109 char* vseprint(char* buf, char* e, char* fmt, va_list args); 110 char* vsmprint(char* fmt, va_list args); 111 int vsnprint(char* buf, int len, char* fmt, va_list args); 112 113 #if defined(__cplusplus) 114 } 115 #endif 116 #endif