stdtime/FreeBSD/private.h

   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 ** $FreeBSD: src/lib/libc/stdtime/private.h,v 1.11 2009/05/23 06:31:50 edwin Exp $
  10 */
  11
  12 /* Stuff moved from Makefile.inc to reduce clutter */
  13 #ifndef TM_GMTOFF
  14 #define TM_GMTOFF       tm_gmtoff
  15 #define TM_ZONE         tm_zone
  16 #define STD_INSPIRED    1
  17 #define PCTS            1
  18 #define HAVE_LONG_DOUBLE 1
  19 #define HAVE_STRERROR   1
  20 #define HAVE_UNISTD_H   1
  21 #define LOCALE_HOME     _PATH_LOCALE
  22 #define TZDIR           "/usr/share/zoneinfo"
  23 #endif /* ndef TM_GMTOFF */
  24
  25 /*
  26 ** This header is for use ONLY with the time conversion code.
  27 ** There is no guarantee that it will remain unchanged,
  28 ** or that it will remain at all.
  29 ** Do NOT copy it to any system include directory.
  30 ** Thank you!
  31 */
  32
  33 /*
  34 ** ID
  35 */
  36
  37 #ifndef lint
  38 #ifndef NOID
  39 /*
  40 static char     privatehid[] = "@(#)private.h   8.6";
  41 */
  42 #endif /* !defined NOID */
  43 #endif /* !defined lint */
  44
  45 #define GRANDPARENTED   "Local time zone must be set--see zic manual page"
  46
  47 /*
  48 ** Defaults for preprocessor symbols.
  49 ** You can override these in your C compiler options, e.g. `-DHAVE_ADJTIME=0'.
  50 */
  51
  52 #ifndef HAVE_ADJTIME
  53 #define HAVE_ADJTIME            1
  54 #endif /* !defined HAVE_ADJTIME */
  55
  56 #ifndef HAVE_GETTEXT
  57 #define HAVE_GETTEXT            0
  58 #endif /* !defined HAVE_GETTEXT */
  59
  60 #ifndef HAVE_INCOMPATIBLE_CTIME_R
  61 #define HAVE_INCOMPATIBLE_CTIME_R       0
  62 #endif /* !defined INCOMPATIBLE_CTIME_R */
  63
  64 #ifndef HAVE_SETTIMEOFDAY
  65 #define HAVE_SETTIMEOFDAY       3
  66 #endif /* !defined HAVE_SETTIMEOFDAY */
  67
  68 #ifndef HAVE_SYMLINK
  69 #define HAVE_SYMLINK            1
  70 #endif /* !defined HAVE_SYMLINK */
  71
  72 #ifndef HAVE_SYS_STAT_H
  73 #define HAVE_SYS_STAT_H         1
  74 #endif /* !defined HAVE_SYS_STAT_H */
  75
  76 #ifndef HAVE_SYS_WAIT_H
  77 #define HAVE_SYS_WAIT_H         1
  78 #endif /* !defined HAVE_SYS_WAIT_H */
  79
  80 #ifndef HAVE_UNISTD_H
  81 #define HAVE_UNISTD_H           1
  82 #endif /* !defined HAVE_UNISTD_H */
  83
  84 #ifndef HAVE_UTMPX_H
  85 #define HAVE_UTMPX_H            0
  86 #endif /* !defined HAVE_UTMPX_H */
  87
  88 #ifndef LOCALE_HOME
  89 #define LOCALE_HOME             "/usr/lib/locale"
  90 #endif /* !defined LOCALE_HOME */
  91
  92 #if HAVE_INCOMPATIBLE_CTIME_R
  93 #define asctime_r _incompatible_asctime_r
  94 #define ctime_r _incompatible_ctime_r
  95 #endif /* HAVE_INCOMPATIBLE_CTIME_R */
  96
  97 /*
  98 ** Nested includes
  99 */
 100
 101 #include "sys/types.h"  /* for time_t */
 102 #include "stdio.h"
 103 #include "errno.h"
 104 #include "string.h"
 105 #include "limits.h"     /* for CHAR_BIT et al. */
 106 #include "time.h"
 107 #include "stdlib.h"
 108
 109 #if HAVE_GETTEXT
 110 #include "libintl.h"
 111 #endif /* HAVE_GETTEXT */
 112
 113 #if HAVE_SYS_WAIT_H
 114 #include <sys/wait.h>   /* for WIFEXITED and WEXITSTATUS */
 115 #endif /* HAVE_SYS_WAIT_H */
 116
 117 #ifndef WIFEXITED
 118 #define WIFEXITED(status)       (((status) & 0xff) == 0)
 119 #endif /* !defined WIFEXITED */
 120 #ifndef WEXITSTATUS
 121 #define WEXITSTATUS(status)     (((status) >> 8) & 0xff)
 122 #endif /* !defined WEXITSTATUS */
 123
 124 #if HAVE_UNISTD_H
 125 #include "unistd.h"     /* for F_OK, R_OK, and other POSIX goodness */
 126 #endif /* HAVE_UNISTD_H */
 127
 128 #if !(HAVE_UNISTD_H)
 129 #ifndef F_OK
 130 #define F_OK    0
 131 #endif /* !defined F_OK */
 132 #ifndef R_OK
 133 #define R_OK    4
 134 #endif /* !defined R_OK */
 135 #endif /* !(HAVE_UNISTD_H) */
 136
 137 /* Unlike <ctype.h>'s isdigit, this also works if c < 0 | c > UCHAR_MAX. */
 138 #define is_digit(c) ((unsigned)(c) - '0' <= 9)
 139
 140 /*
 141 ** Define HAVE_STDINT_H's default value here, rather than at the
 142 ** start, since __GLIBC__'s value depends on previously-included
 143 ** files.
 144 ** (glibc 2.1 and later have stdint.h, even with pre-C99 compilers.)
 145 */
 146 #ifndef HAVE_STDINT_H
 147 #define HAVE_STDINT_H \
 148         (199901 <= __STDC_VERSION__ || \
 149         2 < (__GLIBC__ + (0 < __GLIBC_MINOR__)))
 150 #endif /* !defined HAVE_STDINT_H */
 151
 152 #if HAVE_STDINT_H
 153 #include "stdint.h"
 154 #endif /* !HAVE_STDINT_H */
 155
 156 #ifndef INT_FAST64_MAX
 157 /* Pre-C99 GCC compilers define __LONG_LONG_MAX__ instead of LLONG_MAX.  */
 158 #if defined LLONG_MAX || defined __LONG_LONG_MAX__
 159 typedef long long       int_fast64_t;
 160 #else /* ! (defined LLONG_MAX || defined __LONG_LONG_MAX__) */
 161 #if (LONG_MAX >> 31) < 0xffffffff
 162 Please use a compiler that supports a 64-bit integer type (or wider);
 163 you may need to compile with "-DHAVE_STDINT_H".
 164 #endif /* (LONG_MAX >> 31) < 0xffffffff */
 165 typedef long            int_fast64_t;
 166 #endif /* ! (defined LLONG_MAX || defined __LONG_LONG_MAX__) */
 167 #endif /* !defined INT_FAST64_MAX */
 168
 169 #ifndef INT32_MAX
 170 #define INT32_MAX 0x7fffffff
 171 #endif /* !defined INT32_MAX */
 172 #ifndef INT32_MIN
 173 #define INT32_MIN (-1 - INT32_MAX)
 174 #endif /* !defined INT32_MIN */
 175
 176 /*
 177 ** Workarounds for compilers/systems.
 178 */
 179
 180 /*
 181 ** Some time.h implementations don't declare asctime_r.
 182 ** Others might define it as a macro.
 183 ** Fix the former without affecting the latter.
 184 */
 185
 186 #ifndef asctime_r
 187 extern char *   asctime_r(struct tm const *, char *);
 188 #endif
 189
 190 /*
 191 ** Private function declarations.
 192 */
 193
 194 char *          icalloc(int nelem, int elsize);
 195 char *          icatalloc(char * old, const char * new);
 196 char *          icpyalloc(const char * string);
 197 char *          imalloc(int n);
 198 void *          irealloc(void * pointer, int size);
 199 void            icfree(char * pointer);
 200 void            ifree(char * pointer);
 201 const char *    scheck(const char * string, const char * format);
 202
 203 /*
 204 ** Finally, some convenience items.
 205 */
 206
 207 #ifndef TRUE
 208 #define TRUE    1
 209 #endif /* !defined TRUE */
 210
 211 #ifndef FALSE
 212 #define FALSE   0
 213 #endif /* !defined FALSE */
 214
 215 #ifndef TYPE_BIT
 216 #define TYPE_BIT(type)  (sizeof (type) * CHAR_BIT)
 217 #endif /* !defined TYPE_BIT */
 218
 219 #ifndef TYPE_SIGNED
 220 #define TYPE_SIGNED(type) (((type) -1) < 0)
 221 #endif /* !defined TYPE_SIGNED */
 222
 223 /*
 224 ** Since the definition of TYPE_INTEGRAL contains floating point numbers,
 225 ** it cannot be used in preprocessor directives.
 226 */
 227
 228 #ifndef TYPE_INTEGRAL
 229 #define TYPE_INTEGRAL(type) (((type) 0.5) != 0.5)
 230 #endif /* !defined TYPE_INTEGRAL */
 231
 232 /*
 233 ** Since the definition of TYPE_INTEGRAL contains floating point numbers,
 234 ** it cannot be used in preprocessor directives.
 235 */
 236
 237 #ifndef TYPE_INTEGRAL
 238 #define TYPE_INTEGRAL(type) (((type) 0.5) != 0.5)
 239 #endif /* !defined TYPE_INTEGRAL */
 240
 241 #ifndef INT_STRLEN_MAXIMUM
 242 /*
 243 ** 302 / 1000 is log10(2.0) rounded up.
 244 ** Subtract one for the sign bit if the type is signed;
 245 ** add one for integer division truncation;
 246 ** add one more for a minus sign if the type is signed.
 247 */
 248 #define INT_STRLEN_MAXIMUM(type) \
 249         ((TYPE_BIT(type) - TYPE_SIGNED(type)) * 302 / 1000 + \
 250         1 + TYPE_SIGNED(type))
 251 #endif /* !defined INT_STRLEN_MAXIMUM */
 252
 253 /*
 254 ** INITIALIZE(x)
 255 */
 256
 257 #ifndef GNUC_or_lint
 258 #ifdef lint
 259 #define GNUC_or_lint
 260 #endif /* defined lint */
 261 #ifndef lint
 262 #ifdef __GNUC__
 263 #define GNUC_or_lint
 264 #endif /* defined __GNUC__ */
 265 #endif /* !defined lint */
 266 #endif /* !defined GNUC_or_lint */
 267
 268 #ifndef INITIALIZE
 269 #ifdef GNUC_or_lint
 270 #define INITIALIZE(x)   ((x) = 0)
 271 #endif /* defined GNUC_or_lint */
 272 #ifndef GNUC_or_lint
 273 #define INITIALIZE(x)
 274 #endif /* !defined GNUC_or_lint */
 275 #endif /* !defined INITIALIZE */
 276
 277 /*
 278 ** For the benefit of GNU folk...
 279 ** `_(MSGID)' uses the current locale's message library string for MSGID.
 280 ** The default is to use gettext if available, and use MSGID otherwise.
 281 */
 282
 283 #ifndef _
 284 #if HAVE_GETTEXT
 285 #define _(msgid) gettext(msgid)
 286 #else /* !HAVE_GETTEXT */
 287 #define _(msgid) msgid
 288 #endif /* !HAVE_GETTEXT */
 289 #endif /* !defined _ */
 290
 291 #ifndef TZ_DOMAIN
 292 #define TZ_DOMAIN "tz"
 293 #endif /* !defined TZ_DOMAIN */
 294
 295 #if HAVE_INCOMPATIBLE_CTIME_R
 296 #undef asctime_r
 297 #undef ctime_r
 298 char *asctime_r(struct tm const *, char *);
 299 char *ctime_r(time_t const *, char *);
 300 #endif /* HAVE_INCOMPATIBLE_CTIME_R */
 301
 302 #ifndef YEARSPERREPEAT
 303 #define YEARSPERREPEAT          400     /* years before a Gregorian repeat */
 304 #endif /* !defined YEARSPERREPEAT */
 305
 306 /*
 307 ** The Gregorian year averages 365.2425 days, which is 31556952 seconds.
 308 */
 309
 310 #ifndef AVGSECSPERYEAR
 311 #define AVGSECSPERYEAR          31556952L
 312 #endif /* !defined AVGSECSPERYEAR */
 313
 314 #ifndef SECSPERREPEAT
 315 #define SECSPERREPEAT           ((int_fast64_t) YEARSPERREPEAT * (int_fast64_t) AVGSECSPERYEAR)
 316 #endif /* !defined SECSPERREPEAT */
 317
 318 #ifndef SECSPERREPEAT_BITS
 319 #define SECSPERREPEAT_BITS      34      /* ceil(log2(SECSPERREPEAT)) */
 320 #endif /* !defined SECSPERREPEAT_BITS */
 321
 322 /*
 323 ** UNIX was a registered trademark of The Open Group in 2003.
 324 */
 325
 326 #endif /* !defined PRIVATE_H */