1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/intl/icu/source/tools/tzcode/private.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,298 @@
1.4 +#ifndef PRIVATE_H
1.5 +
1.6 +#define PRIVATE_H
1.7 +
1.8 +/*
1.9 +** This file is in the public domain, so clarified as of
1.10 +** 1996-06-05 by Arthur David Olson.
1.11 +*/
1.12 +
1.13 +/*
1.14 +** This header is for use ONLY with the time conversion code.
1.15 +** There is no guarantee that it will remain unchanged,
1.16 +** or that it will remain at all.
1.17 +** Do NOT copy it to any system include directory.
1.18 +** Thank you!
1.19 +*/
1.20 +
1.21 +/*
1.22 +** ID
1.23 +*/
1.24 +
1.25 +#ifndef lint
1.26 +#ifndef NOID
1.27 +static char privatehid[] = "@(#)private.h 8.6";
1.28 +#endif /* !defined NOID */
1.29 +#endif /* !defined lint */
1.30 +
1.31 +#define GRANDPARENTED "Local time zone must be set--see zic manual page"
1.32 +
1.33 +/*
1.34 +** Defaults for preprocessor symbols.
1.35 +** You can override these in your C compiler options, e.g. `-DHAVE_ADJTIME=0'.
1.36 +*/
1.37 +
1.38 +#ifndef HAVE_ADJTIME
1.39 +#define HAVE_ADJTIME 1
1.40 +#endif /* !defined HAVE_ADJTIME */
1.41 +
1.42 +#ifndef HAVE_GETTEXT
1.43 +#define HAVE_GETTEXT 0
1.44 +#endif /* !defined HAVE_GETTEXT */
1.45 +
1.46 +#ifndef HAVE_INCOMPATIBLE_CTIME_R
1.47 +#define HAVE_INCOMPATIBLE_CTIME_R 0
1.48 +#endif /* !defined INCOMPATIBLE_CTIME_R */
1.49 +
1.50 +#ifndef HAVE_SETTIMEOFDAY
1.51 +#define HAVE_SETTIMEOFDAY 3
1.52 +#endif /* !defined HAVE_SETTIMEOFDAY */
1.53 +
1.54 +#ifndef HAVE_SYMLINK
1.55 +#define HAVE_SYMLINK 1
1.56 +#endif /* !defined HAVE_SYMLINK */
1.57 +
1.58 +#ifndef HAVE_SYS_STAT_H
1.59 +#define HAVE_SYS_STAT_H 1
1.60 +#endif /* !defined HAVE_SYS_STAT_H */
1.61 +
1.62 +#ifndef HAVE_SYS_WAIT_H
1.63 +#define HAVE_SYS_WAIT_H 1
1.64 +#endif /* !defined HAVE_SYS_WAIT_H */
1.65 +
1.66 +#ifndef HAVE_UNISTD_H
1.67 +#define HAVE_UNISTD_H 1
1.68 +#endif /* !defined HAVE_UNISTD_H */
1.69 +
1.70 +#ifndef HAVE_UTMPX_H
1.71 +#define HAVE_UTMPX_H 0
1.72 +#endif /* !defined HAVE_UTMPX_H */
1.73 +
1.74 +#ifndef LOCALE_HOME
1.75 +#define LOCALE_HOME "/usr/lib/locale"
1.76 +#endif /* !defined LOCALE_HOME */
1.77 +
1.78 +#if HAVE_INCOMPATIBLE_CTIME_R
1.79 +#define asctime_r _incompatible_asctime_r
1.80 +#define ctime_r _incompatible_ctime_r
1.81 +#endif /* HAVE_INCOMPATIBLE_CTIME_R */
1.82 +
1.83 +/*
1.84 +** Nested includes
1.85 +*/
1.86 +
1.87 +#include "sys/types.h" /* for time_t */
1.88 +#include "stdio.h"
1.89 +#include "errno.h"
1.90 +#include "string.h"
1.91 +#include "limits.h" /* for CHAR_BIT et al. */
1.92 +#include "time.h"
1.93 +#include "stdlib.h"
1.94 +
1.95 +#if HAVE_GETTEXT
1.96 +#include "libintl.h"
1.97 +#endif /* HAVE_GETTEXT */
1.98 +
1.99 +#if HAVE_SYS_WAIT_H
1.100 +#include <sys/wait.h> /* for WIFEXITED and WEXITSTATUS */
1.101 +#endif /* HAVE_SYS_WAIT_H */
1.102 +
1.103 +#ifndef WIFEXITED
1.104 +#define WIFEXITED(status) (((status) & 0xff) == 0)
1.105 +#endif /* !defined WIFEXITED */
1.106 +#ifndef WEXITSTATUS
1.107 +#define WEXITSTATUS(status) (((status) >> 8) & 0xff)
1.108 +#endif /* !defined WEXITSTATUS */
1.109 +
1.110 +#if HAVE_UNISTD_H
1.111 +#include "unistd.h" /* for F_OK, R_OK, and other POSIX goodness */
1.112 +#endif /* HAVE_UNISTD_H */
1.113 +
1.114 +#ifndef F_OK
1.115 +#define F_OK 0
1.116 +#endif /* !defined F_OK */
1.117 +#ifndef R_OK
1.118 +#define R_OK 4
1.119 +#endif /* !defined R_OK */
1.120 +
1.121 +/* Unlike <ctype.h>'s isdigit, this also works if c < 0 | c > UCHAR_MAX. */
1.122 +#define is_digit(c) ((unsigned)(c) - '0' <= 9)
1.123 +
1.124 +/*
1.125 +** Define HAVE_STDINT_H's default value here, rather than at the
1.126 +** start, since __GLIBC__'s value depends on previously-included
1.127 +** files.
1.128 +** (glibc 2.1 and later have stdint.h, even with pre-C99 compilers.)
1.129 +*/
1.130 +#ifndef HAVE_STDINT_H
1.131 +#define HAVE_STDINT_H \
1.132 + (199901 <= __STDC_VERSION__ || \
1.133 + 2 < (__GLIBC__ + (0 < __GLIBC_MINOR__)))
1.134 +#endif /* !defined HAVE_STDINT_H */
1.135 +
1.136 +#if HAVE_STDINT_H
1.137 +#include "stdint.h"
1.138 +#endif /* !HAVE_STDINT_H */
1.139 +
1.140 +#ifndef INT_FAST64_MAX
1.141 +/* Pre-C99 GCC compilers define __LONG_LONG_MAX__ instead of LLONG_MAX. */
1.142 +#if defined LLONG_MAX || defined __LONG_LONG_MAX__
1.143 +typedef long long int_fast64_t;
1.144 +#else /* ! (defined LLONG_MAX || defined __LONG_LONG_MAX__) */
1.145 +#if (LONG_MAX >> 31) < 0xffffffff
1.146 +Please use a compiler that supports a 64-bit integer type (or wider);
1.147 +you may need to compile with "-DHAVE_STDINT_H".
1.148 +#endif /* (LONG_MAX >> 31) < 0xffffffff */
1.149 +typedef long int_fast64_t;
1.150 +#endif /* ! (defined LLONG_MAX || defined __LONG_LONG_MAX__) */
1.151 +#endif /* !defined INT_FAST64_MAX */
1.152 +
1.153 +#ifndef INT32_MAX
1.154 +#define INT32_MAX 0x7fffffff
1.155 +#endif /* !defined INT32_MAX */
1.156 +#ifndef INT32_MIN
1.157 +#define INT32_MIN (-1 - INT32_MAX)
1.158 +#endif /* !defined INT32_MIN */
1.159 +
1.160 +/*
1.161 +** Workarounds for compilers/systems.
1.162 +*/
1.163 +
1.164 +/*
1.165 +** Some time.h implementations don't declare asctime_r.
1.166 +** Others might define it as a macro.
1.167 +** Fix the former without affecting the latter.
1.168 +*/
1.169 +
1.170 +#ifndef asctime_r
1.171 +extern char * asctime_r(struct tm const *, char *);
1.172 +#endif
1.173 +
1.174 +/*
1.175 +** Private function declarations.
1.176 +*/
1.177 +
1.178 +char * icalloc(int nelem, int elsize);
1.179 +char * icatalloc(char * old, const char * new);
1.180 +char * icpyalloc(const char * string);
1.181 +char * imalloc(int n);
1.182 +void * irealloc(void * pointer, int size);
1.183 +void icfree(char * pointer);
1.184 +void ifree(char * pointer);
1.185 +const char * scheck(const char * string, const char * format);
1.186 +
1.187 +/*
1.188 +** Finally, some convenience items.
1.189 +*/
1.190 +
1.191 +#ifndef TRUE
1.192 +#define TRUE 1
1.193 +#endif /* !defined TRUE */
1.194 +
1.195 +#ifndef FALSE
1.196 +#define FALSE 0
1.197 +#endif /* !defined FALSE */
1.198 +
1.199 +#ifndef TYPE_BIT
1.200 +#define TYPE_BIT(type) (sizeof (type) * CHAR_BIT)
1.201 +#endif /* !defined TYPE_BIT */
1.202 +
1.203 +#ifndef TYPE_SIGNED
1.204 +#define TYPE_SIGNED(type) (((type) -1) < 0)
1.205 +#endif /* !defined TYPE_SIGNED */
1.206 +
1.207 +/*
1.208 +** Since the definition of TYPE_INTEGRAL contains floating point numbers,
1.209 +** it cannot be used in preprocessor directives.
1.210 +*/
1.211 +
1.212 +#ifndef TYPE_INTEGRAL
1.213 +#define TYPE_INTEGRAL(type) (((type) 0.5) != 0.5)
1.214 +#endif /* !defined TYPE_INTEGRAL */
1.215 +
1.216 +#ifndef INT_STRLEN_MAXIMUM
1.217 +/*
1.218 +** 302 / 1000 is log10(2.0) rounded up.
1.219 +** Subtract one for the sign bit if the type is signed;
1.220 +** add one for integer division truncation;
1.221 +** add one more for a minus sign if the type is signed.
1.222 +*/
1.223 +#define INT_STRLEN_MAXIMUM(type) \
1.224 + ((TYPE_BIT(type) - TYPE_SIGNED(type)) * 302 / 1000 + \
1.225 + 1 + TYPE_SIGNED(type))
1.226 +#endif /* !defined INT_STRLEN_MAXIMUM */
1.227 +
1.228 +/*
1.229 +** INITIALIZE(x)
1.230 +*/
1.231 +
1.232 +#ifndef GNUC_or_lint
1.233 +#ifdef lint
1.234 +#define GNUC_or_lint
1.235 +#endif /* defined lint */
1.236 +#ifndef lint
1.237 +#ifdef __GNUC__
1.238 +#define GNUC_or_lint
1.239 +#endif /* defined __GNUC__ */
1.240 +#endif /* !defined lint */
1.241 +#endif /* !defined GNUC_or_lint */
1.242 +
1.243 +#ifndef INITIALIZE
1.244 +#ifdef GNUC_or_lint
1.245 +#define INITIALIZE(x) ((x) = 0)
1.246 +#endif /* defined GNUC_or_lint */
1.247 +#ifndef GNUC_or_lint
1.248 +#define INITIALIZE(x)
1.249 +#endif /* !defined GNUC_or_lint */
1.250 +#endif /* !defined INITIALIZE */
1.251 +
1.252 +/*
1.253 +** For the benefit of GNU folk...
1.254 +** `_(MSGID)' uses the current locale's message library string for MSGID.
1.255 +** The default is to use gettext if available, and use MSGID otherwise.
1.256 +*/
1.257 +
1.258 +#ifndef _
1.259 +#if HAVE_GETTEXT
1.260 +#define _(msgid) gettext(msgid)
1.261 +#else /* !HAVE_GETTEXT */
1.262 +#define _(msgid) msgid
1.263 +#endif /* !HAVE_GETTEXT */
1.264 +#endif /* !defined _ */
1.265 +
1.266 +#ifndef TZ_DOMAIN
1.267 +#define TZ_DOMAIN "tz"
1.268 +#endif /* !defined TZ_DOMAIN */
1.269 +
1.270 +#if HAVE_INCOMPATIBLE_CTIME_R
1.271 +#undef asctime_r
1.272 +#undef ctime_r
1.273 +char *asctime_r(struct tm const *, char *);
1.274 +char *ctime_r(time_t const *, char *);
1.275 +#endif /* HAVE_INCOMPATIBLE_CTIME_R */
1.276 +
1.277 +#ifndef YEARSPERREPEAT
1.278 +#define YEARSPERREPEAT 400 /* years before a Gregorian repeat */
1.279 +#endif /* !defined YEARSPERREPEAT */
1.280 +
1.281 +/*
1.282 +** The Gregorian year averages 365.2425 days, which is 31556952 seconds.
1.283 +*/
1.284 +
1.285 +#ifndef AVGSECSPERYEAR
1.286 +#define AVGSECSPERYEAR 31556952L
1.287 +#endif /* !defined AVGSECSPERYEAR */
1.288 +
1.289 +#ifndef SECSPERREPEAT
1.290 +#define SECSPERREPEAT ((int_fast64_t) YEARSPERREPEAT * (int_fast64_t) AVGSECSPERYEAR)
1.291 +#endif /* !defined SECSPERREPEAT */
1.292 +
1.293 +#ifndef SECSPERREPEAT_BITS
1.294 +#define SECSPERREPEAT_BITS 34 /* ceil(log2(SECSPERREPEAT)) */
1.295 +#endif /* !defined SECSPERREPEAT_BITS */
1.296 +
1.297 +/*
1.298 +** UNIX was a registered trademark of The Open Group in 2003.
1.299 +*/
1.300 +
1.301 +#endif /* !defined PRIVATE_H */
