1 /* $NetBSD: private.h,v 1.25 2009/12/31 22:49:16 mlelstv Exp $ */ 2 3 #ifndef PRIVATE_H 4 #define PRIVATE_H 5 6 /* NetBSD defaults */ 7 #define TM_GMTOFF tm_gmtoff 8 #define TM_ZONE tm_zone 9 #define STD_INSPIRED 1 10 #define HAVE_LONG_DOUBLE 1 11 12 /* For when we build zic as a host tool. */ 13 #if HAVE_NBTOOL_CONFIG_H 14 #include "nbtool_config.h" 15 #endif 16 17 /* 18 ** This file is in the public domain, so clarified as of 19 ** 1996-06-05 by Arthur David Olson. 20 */ 21 22 /* 23 ** This header is for use ONLY with the time conversion code. 24 ** There is no guarantee that it will remain unchanged, 25 ** or that it will remain at all. 26 ** Do NOT copy it to any system include directory. 27 ** Thank you! 28 */ 29 30 /* 31 ** ID 32 */ 33 34 #ifndef lint 35 #ifndef NOID 36 #if 0 37 static char privatehid[] = "@(#)private.h 8.6"; 38 #endif 39 #endif /* !defined NOID */ 40 #endif /* !defined lint */ 41 42 #define GRANDPARENTED "Local time zone must be set--see zic manual page" 43 44 /* 45 ** Defaults for preprocessor symbols. 46 ** You can override these in your C compiler options, e.g. `-DHAVE_ADJTIME=0'. 47 */ 48 49 #ifndef HAVE_ADJTIME 50 #define HAVE_ADJTIME 1 51 #endif /* !defined HAVE_ADJTIME */ 52 53 #ifndef HAVE_GETTEXT 54 #define HAVE_GETTEXT 0 55 #endif /* !defined HAVE_GETTEXT */ 56 57 #ifndef HAVE_INCOMPATIBLE_CTIME_R 58 #define HAVE_INCOMPATIBLE_CTIME_R 0 59 #endif /* !defined INCOMPATIBLE_CTIME_R */ 60 61 #ifndef HAVE_SETTIMEOFDAY 62 #define HAVE_SETTIMEOFDAY 3 63 #endif /* !defined HAVE_SETTIMEOFDAY */ 64 65 #ifndef HAVE_SYMLINK 66 #define HAVE_SYMLINK 1 67 #endif /* !defined HAVE_SYMLINK */ 68 69 #ifndef HAVE_SYS_STAT_H 70 #define HAVE_SYS_STAT_H 1 71 #endif /* !defined HAVE_SYS_STAT_H */ 72 73 #ifndef HAVE_SYS_WAIT_H 74 #define HAVE_SYS_WAIT_H 1 75 #endif /* !defined HAVE_SYS_WAIT_H */ 76 77 #ifndef HAVE_UNISTD_H 78 #define HAVE_UNISTD_H 1 79 #endif /* !defined HAVE_UNISTD_H */ 80 81 #ifndef HAVE_UTMPX_H 82 #define HAVE_UTMPX_H 0 83 #endif /* !defined HAVE_UTMPX_H */ 84 85 #ifdef LOCALE_HOME 86 #undef LOCALE_HOME /* not to be handled by tzcode itself */ 87 #endif /* defined LOCALE_HOME */ 88 89 #if HAVE_INCOMPATIBLE_CTIME_R 90 #define asctime_r _incompatible_asctime_r 91 #define ctime_r _incompatible_ctime_r 92 #endif /* HAVE_INCOMPATIBLE_CTIME_R */ 93 94 /* 95 ** Nested includes 96 */ 97 98 #include "sys/types.h" /* for time_t */ 99 #include "stdio.h" 100 #include "errno.h" 101 #include "string.h" 102 #include "limits.h" /* for CHAR_BIT et al. */ 103 #include "time.h" 104 #include "stdlib.h" 105 106 #if HAVE_GETTEXT 107 #include "libintl.h" 108 #endif /* HAVE_GETTEXT */ 109 110 #if HAVE_SYS_WAIT_H 111 #include <sys/wait.h> /* for WIFEXITED and WEXITSTATUS */ 112 #endif /* HAVE_SYS_WAIT_H */ 113 114 #ifndef WIFEXITED 115 #define WIFEXITED(status) (((status) & 0xff) == 0) 116 #endif /* !defined WIFEXITED */ 117 #ifndef WEXITSTATUS 118 #define WEXITSTATUS(status) (((status) >> 8) & 0xff) 119 #endif /* !defined WEXITSTATUS */ 120 121 #if HAVE_UNISTD_H 122 #include "unistd.h" /* for F_OK, R_OK, and other POSIX goodness */ 123 #endif /* HAVE_UNISTD_H */ 124 125 #ifndef F_OK 126 #define F_OK 0 127 #endif /* !defined F_OK */ 128 #ifndef R_OK 129 #define R_OK 4 130 #endif /* !defined R_OK */ 131 132 /* Unlike <ctype.h>'s isdigit, this also works if c < 0 | c > UCHAR_MAX. */ 133 #define is_digit(c) ((unsigned)(c) - '0' <= 9) 134 135 /* 136 ** Define HAVE_STDINT_H's default value here, rather than at the 137 ** start, since __GLIBC__'s value depends on previously-included 138 ** files. 139 ** (glibc 2.1 and later have stdint.h, even with pre-C99 compilers.) 140 */ 141 #ifndef HAVE_STDINT_H 142 #define HAVE_STDINT_H \ 143 (199901 <= __STDC_VERSION__ || \ 144 2 < (__GLIBC__ + (0 < __GLIBC_MINOR__))) 145 #endif /* !defined HAVE_STDINT_H */ 146 147 #if HAVE_STDINT_H 148 #include "stdint.h" 149 #endif /* !HAVE_STDINT_H */ 150 151 #ifndef INT_FAST64_MAX 152 /* Pre-C99 GCC compilers define __LONG_LONG_MAX__ instead of LLONG_MAX. */ 153 #if defined LLONG_MAX || defined __LONG_LONG_MAX__ 154 typedef long long int_fast64_t; 155 #else /* ! (defined LLONG_MAX || defined __LONG_LONG_MAX__) */ 156 #if (LONG_MAX >> 31) < 0xffffffff 157 Please use a compiler that supports a 64-bit integer type (or wider); 158 you may need to compile with "-DHAVE_STDINT_H". 159 #endif /* (LONG_MAX >> 31) < 0xffffffff */ 160 typedef long int_fast64_t; 161 #endif /* ! (defined LLONG_MAX || defined __LONG_LONG_MAX__) */ 162 #endif /* !defined INT_FAST64_MAX */ 163 164 #ifndef INT32_MAX 165 #define INT32_MAX 0x7fffffff 166 #endif /* !defined INT32_MAX */ 167 #ifndef INT32_MIN 168 #define INT32_MIN (-1 - INT32_MAX) 169 #endif /* !defined INT32_MIN */ 170 171 /* 172 ** Workarounds for compilers/systems. 173 */ 174 175 /* 176 ** Some time.h implementations don't declare asctime_r. 177 ** Others might define it as a macro. 178 ** Fix the former without affecting the latter. 179 */ 180 181 #ifndef asctime_r 182 extern char * asctime_r(struct tm const *, char *); 183 #endif 184 185 /* 186 ** Private function declarations. 187 */ 188 189 char * icalloc(int nelem, int elsize); 190 char * icatalloc(char * old, const char * new); 191 char * icpyalloc(const char * string); 192 char * imalloc(int n); 193 void * irealloc(void * pointer, int size); 194 void icfree(char * pointer); 195 void ifree(char * pointer); 196 const char * scheck(const char * string, const char * format); 197 198 /* 199 ** Finally, some convenience items. 200 */ 201 202 #ifndef TRUE 203 #define TRUE 1 204 #endif /* !defined TRUE */ 205 206 #ifndef FALSE 207 #define FALSE 0 208 #endif /* !defined FALSE */ 209 210 #ifndef TYPE_BIT 211 #define TYPE_BIT(type) (sizeof (type) * CHAR_BIT) 212 #endif /* !defined TYPE_BIT */ 213 214 #ifndef TYPE_SIGNED 215 #define TYPE_SIGNED(type) (((type) -1) < 0) 216 #endif /* !defined TYPE_SIGNED */ 217 218 /* 219 ** Since the definition of TYPE_INTEGRAL contains floating point numbers, 220 ** it cannot be used in preprocessor directives. 221 */ 222 223 #ifndef TYPE_INTEGRAL 224 #define TYPE_INTEGRAL(type) (((type) 0.5) != 0.5) 225 #endif /* !defined TYPE_INTEGRAL */ 226 227 #ifndef INT_STRLEN_MAXIMUM 228 /* 229 ** 302 / 1000 is log10(2.0) rounded up. 230 ** Subtract one for the sign bit if the type is signed; 231 ** add one for integer division truncation; 232 ** add one more for a minus sign if the type is signed. 233 */ 234 #define INT_STRLEN_MAXIMUM(type) \ 235 ((TYPE_BIT(type) - TYPE_SIGNED(type)) * 302 / 1000 + \ 236 1 + TYPE_SIGNED(type)) 237 #endif /* !defined INT_STRLEN_MAXIMUM */ 238 239 /* 240 ** INITIALIZE(x) 241 */ 242 243 #ifndef GNUC_or_lint 244 #ifdef lint 245 #define GNUC_or_lint 246 #endif /* defined lint */ 247 #ifndef lint 248 #ifdef __GNUC__ 249 #define GNUC_or_lint 250 #endif /* defined __GNUC__ */ 251 #endif /* !defined lint */ 252 #endif /* !defined GNUC_or_lint */ 253 254 #ifndef INITIALIZE 255 #ifdef GNUC_or_lint 256 #define INITIALIZE(x) ((x) = 0) 257 #endif /* defined GNUC_or_lint */ 258 #ifndef GNUC_or_lint 259 #define INITIALIZE(x) 260 #endif /* !defined GNUC_or_lint */ 261 #endif /* !defined INITIALIZE */ 262 263 /* 264 ** For the benefit of GNU folk... 265 ** `_(MSGID)' uses the current locale's message library string for MSGID. 266 ** The default is to use gettext if available, and use MSGID otherwise. 267 */ 268 269 #ifndef _ 270 #if HAVE_GETTEXT 271 #define _(msgid) gettext(msgid) 272 #else /* !HAVE_GETTEXT */ 273 #define _(msgid) msgid 274 #endif /* !HAVE_GETTEXT */ 275 #endif /* !defined _ */ 276 277 #ifndef TZ_DOMAIN 278 #define TZ_DOMAIN "tz" 279 #endif /* !defined TZ_DOMAIN */ 280 281 #if HAVE_INCOMPATIBLE_CTIME_R 282 #undef asctime_r 283 #undef ctime_r 284 char *asctime_r(struct tm const *, char *); 285 char *ctime_r(time_t const *, char *); 286 #endif /* HAVE_INCOMPATIBLE_CTIME_R */ 287 288 #ifndef YEARSPERREPEAT 289 #define YEARSPERREPEAT 400 /* years before a Gregorian repeat */ 290 #endif /* !defined YEARSPERREPEAT */ 291 292 /* 293 ** The Gregorian year averages 365.2425 days, which is 31556952 seconds. 294 */ 295 296 #ifndef AVGSECSPERYEAR 297 #define AVGSECSPERYEAR 31556952L 298 #endif /* !defined AVGSECSPERYEAR */ 299 300 #ifndef SECSPERREPEAT 301 #define SECSPERREPEAT ((int_fast64_t) YEARSPERREPEAT * (int_fast64_t) AVGSECSPERYEAR) 302 #endif /* !defined SECSPERREPEAT */ 303 304 #ifndef SECSPERREPEAT_BITS 305 #define SECSPERREPEAT_BITS 34 /* ceil(log2(SECSPERREPEAT)) */ 306 #endif /* !defined SECSPERREPEAT_BITS */ 307 308 /* 309 ** UNIX was a registered trademark of The Open Group in 2003. 310 */ 311 312 #endif /* !defined PRIVATE_H */ 313