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intl/icu/source/tools/tzcode/private.h@fc2d59ddac77 (annotated)

intl/icu/source/tools/tzcode/private.h

Wed, 31 Dec 2014 07:22:50 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 07:22:50 +0100
branch
TOR_BUG_3246
changeset 4
fc2d59ddac77
permissions
-rw-r--r--

Correct previous dual key logic pending first delivery installment.

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

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