1 #ifndef PRIVATE_H 2 3 #define PRIVATE_H 4 5 /* 6 ** This file is in the public domain, so clarified as of 7 ** 1996-06-05 by Arthur David Olson. 8 */ 9 10 /* 11 * FreeBSD modifications: separate libc's privates from zic's. 12 * This makes it easier when we need to update one but not the other. 13 * I have removed all of the ifdef spaghetti which is not relevant to 14 * zic from this file. 15 * 16 * $FreeBSD: stable/9/contrib/tzcode/zic/private.h 207590 2010-05-03 22:32:26Z emaste $ 17 */ 18 19 /* 20 ** This header is for use ONLY with the time conversion code. 21 ** There is no guarantee that it will remain unchanged, 22 ** or that it will remain at all. 23 ** Do NOT copy it to any system include directory. 24 ** Thank you! 25 */ 26 27 /* 28 ** ID 29 */ 30 31 #ifndef lint 32 #ifndef NOID 33 static const char privatehid[] = "@(#)private.h 8.6"; 34 #endif /* !defined NOID */ 35 #endif /* !defined lint */ 36 37 #define GRANDPARENTED "Local time zone must be set--use tzsetup" 38 39 /* 40 ** Defaults for preprocessor symbols. 41 ** You can override these in your C compiler options, e.g. `-DHAVE_ADJTIME=0'. 42 */ 43 44 #ifndef HAVE_GETTEXT 45 #define HAVE_GETTEXT 0 46 #endif /* !defined HAVE_GETTEXT */ 47 48 #ifndef HAVE_SYMLINK 49 #define HAVE_SYMLINK 1 50 #endif /* !defined HAVE_SYMLINK */ 51 52 #ifndef HAVE_SYS_STAT_H 53 #define HAVE_SYS_STAT_H 1 54 #endif /* !defined HAVE_SYS_STAT_H */ 55 56 #ifndef HAVE_SYS_WAIT_H 57 #define HAVE_SYS_WAIT_H 1 58 #endif /* !defined HAVE_SYS_WAIT_H */ 59 60 #ifndef HAVE_UNISTD_H 61 #define HAVE_UNISTD_H 1 62 #endif /* !defined HAVE_UNISTD_H */ 63 64 /* 65 ** Nested includes 66 */ 67 68 #include "sys/types.h" /* for time_t */ 69 #include "stdio.h" 70 #include "errno.h" 71 #include "string.h" 72 #include "limits.h" /* for CHAR_BIT et al. */ 73 #include "time.h" 74 #include "stdlib.h" 75 76 #if HAVE_GETTEXT 77 #include "libintl.h" 78 #endif /* HAVE_GETTEXT */ 79 80 #if HAVE_SYS_WAIT_H 81 #include <sys/wait.h> /* for WIFEXITED and WEXITSTATUS */ 82 #endif /* HAVE_SYS_WAIT_H */ 83 84 #if HAVE_UNISTD_H 85 #include "unistd.h" /* for F_OK and R_OK, and other POSIX goodness */ 86 #endif /* HAVE_UNISTD_H */ 87 88 #ifndef F_OK 89 #define F_OK 0 90 #endif /* !defined F_OK */ 91 #ifndef R_OK 92 #define R_OK 4 93 #endif /* !defined R_OK */ 94 95 /* Unlike <ctype.h>'s isdigit, this also works if c < 0 | c > UCHAR_MAX. */ 96 #define is_digit(c) ((unsigned)(c) - '0' <= 9) 97 98 /* 99 ** Define HAVE_STDINT_H's default value here, rather than at the 100 ** start, since __GLIBC__'s value depends on previously-included 101 ** files. 102 ** (glibc 2.1 and later have stdint.h, even with pre-C99 compilers.) 103 */ 104 #ifndef HAVE_STDINT_H 105 #define HAVE_STDINT_H \ 106 (199901 <= __STDC_VERSION__ || \ 107 2 < (__GLIBC__ + (0 < __GLIBC_MINOR__))) 108 #endif /* !defined HAVE_STDINT_H */ 109 110 #if HAVE_STDINT_H 111 #include "stdint.h" 112 #endif /* !HAVE_STDINT_H */ 113 114 #ifndef INT_FAST64_MAX 115 /* Pre-C99 GCC compilers define __LONG_LONG_MAX__ instead of LLONG_MAX. */ 116 #if defined LLONG_MAX || defined __LONG_LONG_MAX__ 117 typedef long long int_fast64_t; 118 #else /* ! (defined LLONG_MAX || defined __LONG_LONG_MAX__) */ 119 #if (LONG_MAX >> 31) < 0xffffffff 120 Please use a compiler that supports a 64-bit integer type (or wider); 121 you may need to compile with "-DHAVE_STDINT_H". 122 #endif /* (LONG_MAX >> 31) < 0xffffffff */ 123 typedef long int_fast64_t; 124 #endif /* ! (defined LLONG_MAX || defined __LONG_LONG_MAX__) */ 125 #endif /* !defined INT_FAST64_MAX */ 126 127 #ifndef INT32_MAX 128 #define INT32_MAX 0x7fffffff 129 #endif /* !defined INT32_MAX */ 130 #ifndef INT32_MIN 131 #define INT32_MIN (-1 - INT32_MAX) 132 #endif /* !defined INT32_MIN */ 133 134 /* 135 ** Workarounds for compilers/systems. 136 */ 137 138 /* 139 ** Some time.h implementations don't declare asctime_r. 140 ** Others might define it as a macro. 141 ** Fix the former without affecting the latter. 142 */ 143 #ifndef asctime_r 144 extern char * asctime_r(struct tm const *, char *); 145 #endif 146 147 148 149 /* 150 ** Private function declarations. 151 */ 152 char * icalloc (int nelem, int elsize); 153 char * icatalloc (char * old, const char * new); 154 char * icpyalloc (const char * string); 155 char * imalloc (int n); 156 void * irealloc (void * pointer, int size); 157 void icfree (char * pointer); 158 void ifree (char * pointer); 159 const char * scheck (const char *string, const char *format); 160 161 /* 162 ** Finally, some convenience items. 163 */ 164 165 #ifndef TRUE 166 #define TRUE 1 167 #endif /* !defined TRUE */ 168 169 #ifndef FALSE 170 #define FALSE 0 171 #endif /* !defined FALSE */ 172 173 #ifndef TYPE_BIT 174 #define TYPE_BIT(type) (sizeof (type) * CHAR_BIT) 175 #endif /* !defined TYPE_BIT */ 176 177 #ifndef TYPE_SIGNED 178 #define TYPE_SIGNED(type) (((type) -1) < 0) 179 #endif /* !defined TYPE_SIGNED */ 180 181 /* 182 ** Since the definition of TYPE_INTEGRAL contains floating point numbers, 183 ** it cannot be used in preprocessor directives. 184 */ 185 186 #ifndef TYPE_INTEGRAL 187 #define TYPE_INTEGRAL(type) (((type) 0.5) != 0.5) 188 #endif /* !defined TYPE_INTEGRAL */ 189 190 #ifndef INT_STRLEN_MAXIMUM 191 /* 192 ** 302 / 1000 is log10(2.0) rounded up. 193 ** Subtract one for the sign bit if the type is signed; 194 ** add one for integer division truncation; 195 ** add one more for a minus sign if the type is signed. 196 */ 197 #define INT_STRLEN_MAXIMUM(type) \ 198 ((TYPE_BIT(type) - TYPE_SIGNED(type)) * 302 / 1000 + \ 199 1 + TYPE_SIGNED(type)) 200 #endif /* !defined INT_STRLEN_MAXIMUM */ 201 202 /* 203 ** INITIALIZE(x) 204 */ 205 206 #ifndef GNUC_or_lint 207 #ifdef lint 208 #define GNUC_or_lint 209 #endif /* defined lint */ 210 #ifndef lint 211 #ifdef __GNUC__ 212 #define GNUC_or_lint 213 #endif /* defined __GNUC__ */ 214 #endif /* !defined lint */ 215 #endif /* !defined GNUC_or_lint */ 216 217 #ifndef INITIALIZE 218 #ifdef GNUC_or_lint 219 #define INITIALIZE(x) ((x) = 0) 220 #endif /* defined GNUC_or_lint */ 221 #ifndef GNUC_or_lint 222 #define INITIALIZE(x) 223 #endif /* !defined GNUC_or_lint */ 224 #endif /* !defined INITIALIZE */ 225 226 /* 227 ** For the benefit of GNU folk... 228 ** `_(MSGID)' uses the current locale's message library string for MSGID. 229 ** The default is to use gettext if available, and use MSGID otherwise. 230 */ 231 232 #ifndef _ 233 #if HAVE_GETTEXT 234 #define _(msgid) gettext(msgid) 235 #else /* !HAVE_GETTEXT */ 236 #define _(msgid) msgid 237 #endif /* !HAVE_GETTEXT */ 238 #endif /* !defined _ */ 239 240 #ifndef TZ_DOMAIN 241 #define TZ_DOMAIN "tz" 242 #endif /* !defined TZ_DOMAIN */ 243 244 /* 245 ** UNIX was a registered trademark of The Open Group in 2003. 246 */ 247 248 #ifndef YEARSPERREPEAT 249 #define YEARSPERREPEAT 400 /* years before a Gregorian repeat */ 250 #endif /* !defined YEARSPERREPEAT */ 251 252 /* 253 ** The Gregorian year averages 365.2425 days, which is 31556952 seconds. 254 */ 255 256 #ifndef AVGSECSPERYEAR 257 #define AVGSECSPERYEAR 31556952L 258 #endif /* !defined AVGSECSPERYEAR */ 259 260 #ifndef SECSPERREPEAT 261 #define SECSPERREPEAT ((int_fast64_t) YEARSPERREPEAT * (int_fast64_t) AVGSECSPERYEAR) 262 #endif /* !defined SECSPERREPEAT */ 263 264 #ifndef SECSPERREPEAT_BITS 265 #define SECSPERREPEAT_BITS 34 /* ceil(log2(SECSPERREPEAT)) */ 266 #endif /* !defined SECSPERREPEAT_BITS */ 267 268 /* 269 ** UNIX was a registered trademark of The Open Group in 2003. 270 */ 271 272 #endif /* !defined PRIVATE_H */ 273