1 /* 2 * @(#)private.h 8.6 3 * $FreeBSD: src/lib/libc/stdtime/private.h,v 1.6.8.1 2000/08/23 00:19:15 jhb Exp $ 4 * $DragonFly: src/lib/libc/stdtime/private.h,v 1.3 2008/10/19 20:15:58 swildner Exp $ 5 */ 6 7 #ifndef PRIVATE_H 8 9 #define PRIVATE_H 10 /* 11 ** This file is in the public domain, so clarified as of 12 ** 1996-06-05 by Arthur David Olson. 13 */ 14 15 /* Stuff moved from Makefile.inc to reduce clutter */ 16 #ifndef TM_GMTOFF 17 #define TM_GMTOFF tm_gmtoff 18 #define TM_ZONE tm_zone 19 #define PCTS 1 20 #define TZDIR "/usr/share/zoneinfo" 21 #endif /* ndef TM_GMTOFF */ 22 23 /* 24 ** This header is for use ONLY with the time conversion code. 25 ** There is no guarantee that it will remain unchanged, 26 ** or that it will remain at all. 27 ** Do NOT copy it to any system include directory. 28 ** Thank you! 29 */ 30 31 #define GRANDPARENTED "Local time zone must be set--see zic manual page" 32 33 /* 34 ** Nested includes 35 */ 36 37 #include "sys/types.h" /* for time_t */ 38 #include "stdio.h" 39 #include "errno.h" 40 #include "string.h" 41 #include "limits.h" /* for CHAR_BIT et al. */ 42 #include "time.h" 43 #include "stdlib.h" 44 45 #include <sys/wait.h> /* for WIFEXITED and WEXITSTATUS */ 46 47 #ifndef WIFEXITED 48 #define WIFEXITED(status) (((status) & 0xff) == 0) 49 #endif /* !defined WIFEXITED */ 50 #ifndef WEXITSTATUS 51 #define WEXITSTATUS(status) (((status) >> 8) & 0xff) 52 #endif /* !defined WEXITSTATUS */ 53 54 #include "unistd.h" /* for F_OK, R_OK, and other POSIX goodness */ 55 56 #ifndef F_OK 57 #define F_OK 0 58 #endif /* !defined F_OK */ 59 #ifndef R_OK 60 #define R_OK 4 61 #endif /* !defined R_OK */ 62 63 /* Unlike <ctype.h>'s isdigit, this also works if c < 0 | c > UCHAR_MAX. */ 64 #define is_digit(c) ((unsigned)(c) - '0' <= 9) 65 66 #include "stdint.h" 67 68 /* 69 ** Workarounds for compilers/systems. 70 */ 71 72 /* 73 ** Some time.h implementations don't declare asctime_r. 74 ** Others might define it as a macro. 75 ** Fix the former without affecting the latter. 76 */ 77 78 #ifndef asctime_r 79 extern char * asctime_r(struct tm const *, char *); 80 #endif 81 82 /* 83 ** Private function declarations. 84 */ 85 86 char * icalloc(int nelem, int elsize); 87 char * icatalloc(char * old, const char * new); 88 char * icpyalloc(const char * string); 89 char * imalloc(int n); 90 void * irealloc(void * pointer, int size); 91 void icfree(char * pointer); 92 void ifree(char * pointer); 93 const char * scheck(const char * string, const char * format); 94 95 /* 96 ** Finally, some convenience items. 97 */ 98 99 #ifndef TRUE 100 #define TRUE 1 101 #endif /* !defined TRUE */ 102 103 #ifndef FALSE 104 #define FALSE 0 105 #endif /* !defined FALSE */ 106 107 #ifndef TYPE_BIT 108 #define TYPE_BIT(type) (sizeof (type) * CHAR_BIT) 109 #endif /* !defined TYPE_BIT */ 110 111 #ifndef TYPE_SIGNED 112 #define TYPE_SIGNED(type) (((type) -1) < 0) 113 #endif /* !defined TYPE_SIGNED */ 114 115 /* 116 ** Since the definition of TYPE_INTEGRAL contains floating point numbers, 117 ** it cannot be used in preprocessor directives. 118 */ 119 120 #ifndef TYPE_INTEGRAL 121 #define TYPE_INTEGRAL(type) (((type) 0.5) != 0.5) 122 #endif /* !defined TYPE_INTEGRAL */ 123 124 #ifndef INT_STRLEN_MAXIMUM 125 /* 126 ** 302 / 1000 is log10(2.0) rounded up. 127 ** Subtract one for the sign bit if the type is signed; 128 ** add one for integer division truncation; 129 ** add one more for a minus sign if the type is signed. 130 */ 131 #define INT_STRLEN_MAXIMUM(type) \ 132 ((TYPE_BIT(type) - TYPE_SIGNED(type)) * 302 / 1000 + \ 133 1 + TYPE_SIGNED(type)) 134 #endif /* !defined INT_STRLEN_MAXIMUM */ 135 136 /* 137 ** INITIALIZE(x) 138 */ 139 140 #ifndef GNUC_or_lint 141 #ifdef lint 142 #define GNUC_or_lint 143 #endif /* defined lint */ 144 #ifndef lint 145 #ifdef __GNUC__ 146 #define GNUC_or_lint 147 #endif /* defined __GNUC__ */ 148 #endif /* !defined lint */ 149 #endif /* !defined GNUC_or_lint */ 150 151 #ifndef INITIALIZE 152 #ifdef GNUC_or_lint 153 #define INITIALIZE(x) ((x) = 0) 154 #endif /* defined GNUC_or_lint */ 155 #ifndef GNUC_or_lint 156 #define INITIALIZE(x) 157 #endif /* !defined GNUC_or_lint */ 158 #endif /* !defined INITIALIZE */ 159 160 /* 161 ** For the benefit of GNU folk... 162 ** `_(MSGID)' uses the current locale's message library string for MSGID. 163 ** The default is to use gettext if available, and use MSGID otherwise. 164 */ 165 166 #ifndef _ 167 #define _(msgid) msgid 168 #endif /* !defined _ */ 169 170 #ifndef TZ_DOMAIN 171 #define TZ_DOMAIN "tz" 172 #endif /* !defined TZ_DOMAIN */ 173 174 #ifndef YEARSPERREPEAT 175 #define YEARSPERREPEAT 400 /* years before a Gregorian repeat */ 176 #endif /* !defined YEARSPERREPEAT */ 177 178 /* 179 ** The Gregorian year averages 365.2425 days, which is 31556952 seconds. 180 */ 181 182 #ifndef AVGSECSPERYEAR 183 #define AVGSECSPERYEAR 31556952L 184 #endif /* !defined AVGSECSPERYEAR */ 185 186 #ifndef SECSPERREPEAT 187 #define SECSPERREPEAT ((int_fast64_t) YEARSPERREPEAT * (int_fast64_t) AVGSECSPERYEAR) 188 #endif /* !defined SECSPERREPEAT */ 189 190 #ifndef SECSPERREPEAT_BITS 191 #define SECSPERREPEAT_BITS 34 /* ceil(log2(SECSPERREPEAT)) */ 192 #endif /* !defined SECSPERREPEAT_BITS */ 193 194 /* 195 ** UNIX was a registered trademark of The Open Group in 2003. 196 */ 197 198 #endif /* !defined PRIVATE_H */ 199