intl/icu/source/tools/tzcode/private.h@fc2d59ddac77
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.
1 #ifndef PRIVATE_H
3 #define PRIVATE_H
5 /*
6 ** This file is in the public domain, so clarified as of
7 ** 1996-06-05 by Arthur David Olson.
8 */
10 /*
11 ** This header is for use ONLY with the time conversion code.
12 ** There is no guarantee that it will remain unchanged,
13 ** or that it will remain at all.
14 ** Do NOT copy it to any system include directory.
15 ** Thank you!
16 */
18 /*
19 ** ID
20 */
22 #ifndef lint
23 #ifndef NOID
24 static char privatehid[] = "@(#)private.h 8.6";
25 #endif /* !defined NOID */
26 #endif /* !defined lint */
28 #define GRANDPARENTED "Local time zone must be set--see zic manual page"
30 /*
31 ** Defaults for preprocessor symbols.
32 ** You can override these in your C compiler options, e.g. `-DHAVE_ADJTIME=0'.
33 */
35 #ifndef HAVE_ADJTIME
36 #define HAVE_ADJTIME 1
37 #endif /* !defined HAVE_ADJTIME */
39 #ifndef HAVE_GETTEXT
40 #define HAVE_GETTEXT 0
41 #endif /* !defined HAVE_GETTEXT */
43 #ifndef HAVE_INCOMPATIBLE_CTIME_R
44 #define HAVE_INCOMPATIBLE_CTIME_R 0
45 #endif /* !defined INCOMPATIBLE_CTIME_R */
47 #ifndef HAVE_SETTIMEOFDAY
48 #define HAVE_SETTIMEOFDAY 3
49 #endif /* !defined HAVE_SETTIMEOFDAY */
51 #ifndef HAVE_SYMLINK
52 #define HAVE_SYMLINK 1
53 #endif /* !defined HAVE_SYMLINK */
55 #ifndef HAVE_SYS_STAT_H
56 #define HAVE_SYS_STAT_H 1
57 #endif /* !defined HAVE_SYS_STAT_H */
59 #ifndef HAVE_SYS_WAIT_H
60 #define HAVE_SYS_WAIT_H 1
61 #endif /* !defined HAVE_SYS_WAIT_H */
63 #ifndef HAVE_UNISTD_H
64 #define HAVE_UNISTD_H 1
65 #endif /* !defined HAVE_UNISTD_H */
67 #ifndef HAVE_UTMPX_H
68 #define HAVE_UTMPX_H 0
69 #endif /* !defined HAVE_UTMPX_H */
71 #ifndef LOCALE_HOME
72 #define LOCALE_HOME "/usr/lib/locale"
73 #endif /* !defined LOCALE_HOME */
75 #if HAVE_INCOMPATIBLE_CTIME_R
76 #define asctime_r _incompatible_asctime_r
77 #define ctime_r _incompatible_ctime_r
78 #endif /* HAVE_INCOMPATIBLE_CTIME_R */
80 /*
81 ** Nested includes
82 */
84 #include "sys/types.h" /* for time_t */
85 #include "stdio.h"
86 #include "errno.h"
87 #include "string.h"
88 #include "limits.h" /* for CHAR_BIT et al. */
89 #include "time.h"
90 #include "stdlib.h"
92 #if HAVE_GETTEXT
93 #include "libintl.h"
94 #endif /* HAVE_GETTEXT */
96 #if HAVE_SYS_WAIT_H
97 #include <sys/wait.h> /* for WIFEXITED and WEXITSTATUS */
98 #endif /* HAVE_SYS_WAIT_H */
100 #ifndef WIFEXITED
101 #define WIFEXITED(status) (((status) & 0xff) == 0)
102 #endif /* !defined WIFEXITED */
103 #ifndef WEXITSTATUS
104 #define WEXITSTATUS(status) (((status) >> 8) & 0xff)
105 #endif /* !defined WEXITSTATUS */
107 #if HAVE_UNISTD_H
108 #include "unistd.h" /* for F_OK, R_OK, and other POSIX goodness */
109 #endif /* HAVE_UNISTD_H */
111 #ifndef F_OK
112 #define F_OK 0
113 #endif /* !defined F_OK */
114 #ifndef R_OK
115 #define R_OK 4
116 #endif /* !defined R_OK */
118 /* Unlike <ctype.h>'s isdigit, this also works if c < 0 | c > UCHAR_MAX. */
119 #define is_digit(c) ((unsigned)(c) - '0' <= 9)
121 /*
122 ** Define HAVE_STDINT_H's default value here, rather than at the
123 ** start, since __GLIBC__'s value depends on previously-included
124 ** files.
125 ** (glibc 2.1 and later have stdint.h, even with pre-C99 compilers.)
126 */
127 #ifndef HAVE_STDINT_H
128 #define HAVE_STDINT_H \
129 (199901 <= __STDC_VERSION__ || \
130 2 < (__GLIBC__ + (0 < __GLIBC_MINOR__)))
131 #endif /* !defined HAVE_STDINT_H */
133 #if HAVE_STDINT_H
134 #include "stdint.h"
135 #endif /* !HAVE_STDINT_H */
137 #ifndef INT_FAST64_MAX
138 /* Pre-C99 GCC compilers define __LONG_LONG_MAX__ instead of LLONG_MAX. */
139 #if defined LLONG_MAX || defined __LONG_LONG_MAX__
140 typedef long long int_fast64_t;
141 #else /* ! (defined LLONG_MAX || defined __LONG_LONG_MAX__) */
142 #if (LONG_MAX >> 31) < 0xffffffff
143 Please use a compiler that supports a 64-bit integer type (or wider);
144 you may need to compile with "-DHAVE_STDINT_H".
145 #endif /* (LONG_MAX >> 31) < 0xffffffff */
146 typedef long int_fast64_t;
147 #endif /* ! (defined LLONG_MAX || defined __LONG_LONG_MAX__) */
148 #endif /* !defined INT_FAST64_MAX */
150 #ifndef INT32_MAX
151 #define INT32_MAX 0x7fffffff
152 #endif /* !defined INT32_MAX */
153 #ifndef INT32_MIN
154 #define INT32_MIN (-1 - INT32_MAX)
155 #endif /* !defined INT32_MIN */
157 /*
158 ** Workarounds for compilers/systems.
159 */
161 /*
162 ** Some time.h implementations don't declare asctime_r.
163 ** Others might define it as a macro.
164 ** Fix the former without affecting the latter.
165 */
167 #ifndef asctime_r
168 extern char * asctime_r(struct tm const *, char *);
169 #endif
171 /*
172 ** Private function declarations.
173 */
175 char * icalloc(int nelem, int elsize);
176 char * icatalloc(char * old, const char * new);
177 char * icpyalloc(const char * string);
178 char * imalloc(int n);
179 void * irealloc(void * pointer, int size);
180 void icfree(char * pointer);
181 void ifree(char * pointer);
182 const char * scheck(const char * string, const char * format);
184 /*
185 ** Finally, some convenience items.
186 */
188 #ifndef TRUE
189 #define TRUE 1
190 #endif /* !defined TRUE */
192 #ifndef FALSE
193 #define FALSE 0
194 #endif /* !defined FALSE */
196 #ifndef TYPE_BIT
197 #define TYPE_BIT(type) (sizeof (type) * CHAR_BIT)
198 #endif /* !defined TYPE_BIT */
200 #ifndef TYPE_SIGNED
201 #define TYPE_SIGNED(type) (((type) -1) < 0)
202 #endif /* !defined TYPE_SIGNED */
204 /*
205 ** Since the definition of TYPE_INTEGRAL contains floating point numbers,
206 ** it cannot be used in preprocessor directives.
207 */
209 #ifndef TYPE_INTEGRAL
210 #define TYPE_INTEGRAL(type) (((type) 0.5) != 0.5)
211 #endif /* !defined TYPE_INTEGRAL */
213 #ifndef INT_STRLEN_MAXIMUM
214 /*
215 ** 302 / 1000 is log10(2.0) rounded up.
216 ** Subtract one for the sign bit if the type is signed;
217 ** add one for integer division truncation;
218 ** add one more for a minus sign if the type is signed.
219 */
220 #define INT_STRLEN_MAXIMUM(type) \
221 ((TYPE_BIT(type) - TYPE_SIGNED(type)) * 302 / 1000 + \
222 1 + TYPE_SIGNED(type))
223 #endif /* !defined INT_STRLEN_MAXIMUM */
225 /*
226 ** INITIALIZE(x)
227 */
229 #ifndef GNUC_or_lint
230 #ifdef lint
231 #define GNUC_or_lint
232 #endif /* defined lint */
233 #ifndef lint
234 #ifdef __GNUC__
235 #define GNUC_or_lint
236 #endif /* defined __GNUC__ */
237 #endif /* !defined lint */
238 #endif /* !defined GNUC_or_lint */
240 #ifndef INITIALIZE
241 #ifdef GNUC_or_lint
242 #define INITIALIZE(x) ((x) = 0)
243 #endif /* defined GNUC_or_lint */
244 #ifndef GNUC_or_lint
245 #define INITIALIZE(x)
246 #endif /* !defined GNUC_or_lint */
247 #endif /* !defined INITIALIZE */
249 /*
250 ** For the benefit of GNU folk...
251 ** `_(MSGID)' uses the current locale's message library string for MSGID.
252 ** The default is to use gettext if available, and use MSGID otherwise.
253 */
255 #ifndef _
256 #if HAVE_GETTEXT
257 #define _(msgid) gettext(msgid)
258 #else /* !HAVE_GETTEXT */
259 #define _(msgid) msgid
260 #endif /* !HAVE_GETTEXT */
261 #endif /* !defined _ */
263 #ifndef TZ_DOMAIN
264 #define TZ_DOMAIN "tz"
265 #endif /* !defined TZ_DOMAIN */
267 #if HAVE_INCOMPATIBLE_CTIME_R
268 #undef asctime_r
269 #undef ctime_r
270 char *asctime_r(struct tm const *, char *);
271 char *ctime_r(time_t const *, char *);
272 #endif /* HAVE_INCOMPATIBLE_CTIME_R */
274 #ifndef YEARSPERREPEAT
275 #define YEARSPERREPEAT 400 /* years before a Gregorian repeat */
276 #endif /* !defined YEARSPERREPEAT */
278 /*
279 ** The Gregorian year averages 365.2425 days, which is 31556952 seconds.
280 */
282 #ifndef AVGSECSPERYEAR
283 #define AVGSECSPERYEAR 31556952L
284 #endif /* !defined AVGSECSPERYEAR */
286 #ifndef SECSPERREPEAT
287 #define SECSPERREPEAT ((int_fast64_t) YEARSPERREPEAT * (int_fast64_t) AVGSECSPERYEAR)
288 #endif /* !defined SECSPERREPEAT */
290 #ifndef SECSPERREPEAT_BITS
291 #define SECSPERREPEAT_BITS 34 /* ceil(log2(SECSPERREPEAT)) */
292 #endif /* !defined SECSPERREPEAT_BITS */
294 /*
295 ** UNIX was a registered trademark of The Open Group in 2003.
296 */
298 #endif /* !defined PRIVATE_H */
