1 /*********************************************************************** 2 * * 3 * This software is part of the ast package * 4 * Copyright (c) 1985-2009 AT&T Intellectual Property * 5 * and is licensed under the * 6 * Common Public License, Version 1.0 * 7 * by AT&T Intellectual Property * 8 * * 9 * A copy of the License is available at * 10 * http://www.opensource.org/licenses/cpl1.0.txt * 11 * (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * 12 * * 13 * Information and Software Systems Research * 14 * AT&T Research * 15 * Florham Park NJ * 16 * * 17 * Glenn Fowler <gsf@research.att.com> * 18 * David Korn <dgk@research.att.com> * 19 * Phong Vo <kpv@research.att.com> * 20 * * 21 ***********************************************************************/ 22 #pragma prototyped 23 /* 24 * Glenn Fowler 25 * AT&T Research 26 * 27 * time conversion support definitions 28 */ 29 30 #ifndef _TM_H 31 #define _TM_H 32 33 #define TM_VERSION 20070319L 34 35 #include <ast.h> 36 #include <times.h> 37 38 #undef daylight 39 40 #define tmset(z) tminit(z) 41 #define tmisleapyear(y) (!((y)%4)&&(((y)%100)||!((((y)<1900)?((y)+1900):(y))%400))) 42 43 #define TM_ADJUST (1<<0) /* local doesn't do leap secs */ 44 #define TM_LEAP (1<<1) /* do leap seconds */ 45 #define TM_UTC (1<<2) /* universal coordinated ref */ 46 47 #define TM_PEDANTIC (1<<3) /* pedantic date parse */ 48 #define TM_DATESTYLE (1<<4) /* date(1) style mmddHHMMccyy */ 49 #define TM_SUBSECOND (1<<5) /* <something>%S => ...%S.%P */ 50 51 #define TM_DST (-60) /* default minutes for DST */ 52 #define TM_LOCALZONE (25 * 60) /* use local time zone offset */ 53 #define TM_UTCZONE (26 * 60) /* UTC "time zone" */ 54 #define TM_MAXLEAP 1 /* max leap secs per leap */ 55 #define TM_WINDOW 69 /* century windowing guard year */ 56 57 /* 58 * these indices must agree with tm_dform[] 59 */ 60 61 #define TM_MONTH_ABBREV 0 62 #define TM_MONTH 12 63 #define TM_DAY_ABBREV 24 64 #define TM_DAY 31 65 #define TM_TIME 38 66 #define TM_DATE 39 67 #define TM_DEFAULT 40 68 #define TM_MERIDIAN 41 69 70 #define TM_UT 43 71 #define TM_DT 47 72 #define TM_SUFFIXES 51 73 #define TM_PARTS 55 74 #define TM_HOURS 62 75 #define TM_DAYS 66 76 #define TM_LAST 69 77 #define TM_THIS 72 78 #define TM_NEXT 75 79 #define TM_EXACT 78 80 #define TM_NOISE 81 81 #define TM_ORDINAL 85 82 #define TM_DIGITS 95 83 #define TM_CTIME 105 84 #define TM_DATE_1 106 85 #define TM_INTERNATIONAL 107 86 #define TM_RECENT 108 87 #define TM_DISTANT 109 88 #define TM_MERIDIAN_TIME 110 89 #define TM_ERA 111 90 #define TM_ERA_DATE 112 91 #define TM_ERA_TIME 113 92 #define TM_ERA_DEFAULT 114 93 #define TM_ERA_YEAR 115 94 #define TM_ORDINALS 116 95 #define TM_FINAL 126 96 #define TM_WORK 129 97 98 #define TM_NFORM 132 99 100 typedef struct /* leap second info */ 101 { 102 time_t time; /* the leap second event */ 103 int total; /* inclusive total since epoch */ 104 } Tm_leap_t; 105 106 typedef struct /* time zone info */ 107 { 108 char* type; /* type name */ 109 char* standard; /* standard time name */ 110 char* daylight; /* daylight or summertime name */ 111 short west; /* minutes west of GMT */ 112 short dst; /* add to tz.west for DST */ 113 } Tm_zone_t; 114 115 typedef struct /* tm library readonly data */ 116 { 117 char** format; /* default TM_* format strings */ 118 unsigned char* lex; /* format lex type classes */ 119 char* digit; /* output digits */ 120 short* days; /* days in month i */ 121 short* sum; /* days in months before i */ 122 Tm_leap_t* leap; /* leap second table */ 123 Tm_zone_t* zone; /* alternate timezone table */ 124 } Tm_data_t; 125 126 typedef struct /* tm library global info */ 127 { 128 char* deformat; /* TM_DEFAULT override */ 129 int flags; /* flags */ 130 char** format; /* current format strings */ 131 Tm_zone_t* date; /* timezone from last tmdate() */ 132 Tm_zone_t* local; /* local timezone */ 133 Tm_zone_t* zone; /* current timezone */ 134 } Tm_info_t; 135 136 typedef struct Tm_s 137 { 138 int tm_sec; 139 int tm_min; 140 int tm_hour; 141 int tm_mday; 142 int tm_mon; 143 int tm_year; 144 int tm_wday; 145 int tm_yday; 146 int tm_isdst; 147 uint32_t tm_nsec; 148 Tm_zone_t* tm_zone; 149 } Tm_t; 150 151 #if _BLD_ast && defined(__EXPORT__) 152 #define extern extern __EXPORT__ 153 #endif 154 #if !_BLD_ast && defined(__IMPORT__) 155 #define extern extern __IMPORT__ 156 #endif 157 158 extern Tm_data_t* _tm_datap_; 159 extern Tm_info_t* _tm_infop_; 160 161 #define tm_data (*_tm_datap_) 162 #define tm_info (*_tm_infop_) 163 164 #undef extern 165 166 #if _BLD_ast && defined(__EXPORT__) 167 #define extern __EXPORT__ 168 #endif 169 170 extern time_t tmdate(const char*, char**, time_t*); 171 extern int tmequiv(Tm_t*); 172 extern Tm_t* tmfix(Tm_t*); 173 extern char* tmfmt(char*, size_t, const char*, time_t*); 174 extern char* tmform(char*, const char*, time_t*); 175 extern int tmgoff(const char*, char**, int); 176 extern void tminit(Tm_zone_t*); 177 extern time_t tmleap(time_t*); 178 extern int tmlex(const char*, char**, char**, int, char**, int); 179 extern char** tmlocale(void); 180 extern Tm_t* tmmake(time_t*); 181 extern char* tmpoff(char*, size_t, const char*, int, int); 182 extern time_t tmscan(const char*, char**, const char*, char**, time_t*, long); 183 extern int tmsleep(time_t, time_t); 184 extern time_t tmtime(Tm_t*, int); 185 extern Tm_zone_t* tmtype(const char*, char**); 186 extern int tmweek(Tm_t*, int, int, int); 187 extern int tmword(const char*, char**, const char*, char**, int); 188 extern Tm_zone_t* tmzone(const char*, char**, const char*, int*); 189 190 #undef extern 191 192 #endif 193