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Side by Side Diff: source/tools/tzcode/private.h

Issue 845603002: Update ICU to 54.1 step 1 (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/icu.git@master
Patch Set: remove unusued directories Created 5 years, 11 months ago
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1 #ifndef PRIVATE_H 1 #ifndef PRIVATE_H
2 2
3 #define PRIVATE_H 3 #define PRIVATE_H
4 4
5 /* 5 /*
6 ** This file is in the public domain, so clarified as of 6 ** This file is in the public domain, so clarified as of
7 ** 1996-06-05 by Arthur David Olson. 7 ** 1996-06-05 by Arthur David Olson.
8 */ 8 */
9 9
10 /* 10 /*
11 ** This header is for use ONLY with the time conversion code. 11 ** This header is for use ONLY with the time conversion code.
12 ** There is no guarantee that it will remain unchanged, 12 ** There is no guarantee that it will remain unchanged,
13 ** or that it will remain at all. 13 ** or that it will remain at all.
14 ** Do NOT copy it to any system include directory. 14 ** Do NOT copy it to any system include directory.
15 ** Thank you! 15 ** Thank you!
16 */ 16 */
17 17
18 /*
19 ** ID
20 */
21
22 #ifndef lint
23 #ifndef NOID
24 static char privatehid[] = "@(#)private.h 8.6";
25 #endif /* !defined NOID */
26 #endif /* !defined lint */
27
28 #define GRANDPARENTED "Local time zone must be set--see zic manual page" 18 #define GRANDPARENTED "Local time zone must be set--see zic manual page"
29 19
30 /* 20 /*
31 ** Defaults for preprocessor symbols. 21 ** Defaults for preprocessor symbols.
32 ** You can override these in your C compiler options, e.g. `-DHAVE_ADJTIME=0'. 22 ** You can override these in your C compiler options, e.g. `-DHAVE_ADJTIME=0'.
33 */ 23 */
34 24
35 #ifndef HAVE_ADJTIME 25 #ifndef HAVE_ADJTIME
36 #define HAVE_ADJTIME 1 26 #define HAVE_ADJTIME 1
37 #endif /* !defined HAVE_ADJTIME */ 27 #endif /* !defined HAVE_ADJTIME */
38 28
39 #ifndef HAVE_GETTEXT 29 #ifndef HAVE_GETTEXT
40 #define HAVE_GETTEXT 0 30 #define HAVE_GETTEXT 0
41 #endif /* !defined HAVE_GETTEXT */ 31 #endif /* !defined HAVE_GETTEXT */
42 32
43 #ifndef HAVE_INCOMPATIBLE_CTIME_R 33 #ifndef HAVE_INCOMPATIBLE_CTIME_R
44 #define HAVE_INCOMPATIBLE_CTIME_R 0 34 #define HAVE_INCOMPATIBLE_CTIME_R 0
45 #endif /* !defined INCOMPATIBLE_CTIME_R */ 35 #endif /* !defined INCOMPATIBLE_CTIME_R */
46 36
37 #ifndef HAVE_LINK
38 #define HAVE_LINK 1
39 #endif /* !defined HAVE_LINK */
40
47 #ifndef HAVE_SETTIMEOFDAY 41 #ifndef HAVE_SETTIMEOFDAY
48 #define HAVE_SETTIMEOFDAY 3 42 #define HAVE_SETTIMEOFDAY 3
49 #endif /* !defined HAVE_SETTIMEOFDAY */ 43 #endif /* !defined HAVE_SETTIMEOFDAY */
50 44
51 #ifndef HAVE_SYMLINK 45 #ifndef HAVE_SYMLINK
52 #define HAVE_SYMLINK 1 46 #define HAVE_SYMLINK 1
53 #endif /* !defined HAVE_SYMLINK */ 47 #endif /* !defined HAVE_SYMLINK */
54 48
55 #ifndef HAVE_SYS_STAT_H 49 #ifndef HAVE_SYS_STAT_H
56 #define HAVE_SYS_STAT_H 1 50 #define HAVE_SYS_STAT_H 1
(...skipping 70 matching lines...) Expand 10 before | Expand all | Expand 10 after
127 #ifndef HAVE_STDINT_H 121 #ifndef HAVE_STDINT_H
128 #define HAVE_STDINT_H \ 122 #define HAVE_STDINT_H \
129 (199901 <= __STDC_VERSION__ || \ 123 (199901 <= __STDC_VERSION__ || \
130 2 < (__GLIBC__ + (0 < __GLIBC_MINOR__))) 124 2 < (__GLIBC__ + (0 < __GLIBC_MINOR__)))
131 #endif /* !defined HAVE_STDINT_H */ 125 #endif /* !defined HAVE_STDINT_H */
132 126
133 #if HAVE_STDINT_H 127 #if HAVE_STDINT_H
134 #include "stdint.h" 128 #include "stdint.h"
135 #endif /* !HAVE_STDINT_H */ 129 #endif /* !HAVE_STDINT_H */
136 130
131 #ifndef HAVE_INTTYPES_H
132 # define HAVE_INTTYPES_H HAVE_STDINT_H
133 #endif
134 #if HAVE_INTTYPES_H
135 # include <inttypes.h>
136 #endif
137
137 #ifndef INT_FAST64_MAX 138 #ifndef INT_FAST64_MAX
138 /* Pre-C99 GCC compilers define __LONG_LONG_MAX__ instead of LLONG_MAX. */ 139 /* Pre-C99 GCC compilers define __LONG_LONG_MAX__ instead of LLONG_MAX. */
139 #if defined LLONG_MAX || defined __LONG_LONG_MAX__ 140 #if defined LLONG_MAX || defined __LONG_LONG_MAX__
140 typedef long long int_fast64_t; 141 typedef long long int_fast64_t;
142 # ifdef LLONG_MAX
143 # define INT_FAST64_MIN LLONG_MIN
144 # define INT_FAST64_MAX LLONG_MAX
145 # else
146 # define INT_FAST64_MIN __LONG_LONG_MIN__
147 # define INT_FAST64_MAX __LONG_LONG_MAX__
148 # endif
149 # define SCNdFAST64 "lld"
141 #else /* ! (defined LLONG_MAX || defined __LONG_LONG_MAX__) */ 150 #else /* ! (defined LLONG_MAX || defined __LONG_LONG_MAX__) */
142 #if (LONG_MAX >> 31) < 0xffffffff 151 #if (LONG_MAX >> 31) < 0xffffffff
143 Please use a compiler that supports a 64-bit integer type (or wider); 152 Please use a compiler that supports a 64-bit integer type (or wider);
144 you may need to compile with "-DHAVE_STDINT_H". 153 you may need to compile with "-DHAVE_STDINT_H".
145 #endif /* (LONG_MAX >> 31) < 0xffffffff */ 154 #endif /* (LONG_MAX >> 31) < 0xffffffff */
146 typedef long int_fast64_t; 155 typedef long int_fast64_t;
156 # define INT_FAST64_MIN LONG_MIN
157 # define INT_FAST64_MAX LONG_MAX
158 # define SCNdFAST64 "ld"
147 #endif /* ! (defined LLONG_MAX || defined __LONG_LONG_MAX__) */ 159 #endif /* ! (defined LLONG_MAX || defined __LONG_LONG_MAX__) */
148 #endif /* !defined INT_FAST64_MAX */ 160 #endif /* !defined INT_FAST64_MAX */
149 161
162 #ifndef INT_FAST32_MAX
163 # if INT_MAX >> 31 == 0
164 typedef long int_fast32_t;
165 # else
166 typedef int int_fast32_t;
167 # endif
168 #endif
169
170 #ifndef INTMAX_MAX
171 # if defined LLONG_MAX || defined __LONG_LONG_MAX__
172 typedef long long intmax_t;
173 # define strtoimax strtoll
174 # define PRIdMAX "lld"
175 # ifdef LLONG_MAX
176 # define INTMAX_MAX LLONG_MAX
177 # define INTMAX_MIN LLONG_MIN
178 # else
179 # define INTMAX_MAX __LONG_LONG_MAX__
180 # define INTMAX_MIN __LONG_LONG_MIN__
181 # endif
182 # else
183 typedef long intmax_t;
184 # define strtoimax strtol
185 # define PRIdMAX "ld"
186 # define INTMAX_MAX LONG_MAX
187 # define INTMAX_MIN LONG_MIN
188 # endif
189 #endif
190
191 #ifndef UINTMAX_MAX
192 # if defined ULLONG_MAX || defined __LONG_LONG_MAX__
193 typedef unsigned long long uintmax_t;
194 # define PRIuMAX "llu"
195 # else
196 typedef unsigned long uintmax_t;
197 # define PRIuMAX "lu"
198 # endif
199 #endif
200
150 #ifndef INT32_MAX 201 #ifndef INT32_MAX
151 #define INT32_MAX 0x7fffffff 202 #define INT32_MAX 0x7fffffff
152 #endif /* !defined INT32_MAX */ 203 #endif /* !defined INT32_MAX */
153 #ifndef INT32_MIN 204 #ifndef INT32_MIN
154 #define INT32_MIN (-1 - INT32_MAX) 205 #define INT32_MIN (-1 - INT32_MAX)
155 #endif /* !defined INT32_MIN */ 206 #endif /* !defined INT32_MIN */
156 207
208 #ifndef SIZE_MAX
209 #define SIZE_MAX ((size_t) -1)
210 #endif
211
212 #if 2 < __GNUC__ + (96 <= __GNUC_MINOR__)
213 # define ATTRIBUTE_CONST __attribute__ ((const))
214 # define ATTRIBUTE_PURE __attribute__ ((__pure__))
215 # define ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec))
216 #else
217 # define ATTRIBUTE_CONST /* empty */
218 # define ATTRIBUTE_PURE /* empty */
219 # define ATTRIBUTE_FORMAT(spec) /* empty */
220 #endif
221
222 #if !defined _Noreturn && __STDC_VERSION__ < 201112
223 # if 2 < __GNUC__ + (8 <= __GNUC_MINOR__)
224 # define _Noreturn __attribute__ ((__noreturn__))
225 # else
226 # define _Noreturn
227 # endif
228 #endif
229
230 #if __STDC_VERSION__ < 199901 && !defined restrict
231 # define restrict /* empty */
232 #endif
233
157 /* 234 /*
158 ** Workarounds for compilers/systems. 235 ** Workarounds for compilers/systems.
159 */ 236 */
160 237
161 /* 238 /*
162 ** Some time.h implementations don't declare asctime_r. 239 ** Some time.h implementations don't declare asctime_r.
163 ** Others might define it as a macro. 240 ** Others might define it as a macro.
164 ** Fix the former without affecting the latter. 241 ** Fix the former without affecting the latter.
165 */ 242 */
166 243
167 #ifndef asctime_r 244 #ifndef asctime_r
168 extern char * asctime_r(struct tm const *, char *); 245 extern char * asctime_r(struct tm const *, char *);
169 #endif 246 #endif
170 247
171 /* 248 /*
249 ** Compile with -Dtime_tz=T to build the tz package with a private
250 ** time_t type equivalent to T rather than the system-supplied time_t.
251 ** This debugging feature can test unusual design decisions
252 ** (e.g., time_t wider than 'long', or unsigned time_t) even on
253 ** typical platforms.
254 */
255 #ifdef time_tz
256 static time_t sys_time(time_t *x) { return time(x); }
257
258 # undef ctime
259 # define ctime tz_ctime
260 # undef ctime_r
261 # define ctime_r tz_ctime_r
262 # undef difftime
263 # define difftime tz_difftime
264 # undef gmtime
265 # define gmtime tz_gmtime
266 # undef gmtime_r
267 # define gmtime_r tz_gmtime_r
268 # undef localtime
269 # define localtime tz_localtime
270 # undef localtime_r
271 # define localtime_r tz_localtime_r
272 # undef mktime
273 # define mktime tz_mktime
274 # undef time
275 # define time tz_time
276 # undef time_t
277 # define time_t tz_time_t
278
279 typedef time_tz time_t;
280
281 char *ctime(time_t const *);
282 char *ctime_r(time_t const *, char *);
283 double difftime(time_t, time_t);
284 struct tm *gmtime(time_t const *);
285 struct tm *gmtime_r(time_t const *restrict, struct tm *restrict);
286 struct tm *localtime(time_t const *);
287 struct tm *localtime_r(time_t const *restrict, struct tm *restrict);
288 time_t mktime(struct tm *);
289
290 static time_t
291 time(time_t *p)
292 {
293 time_t r = sys_time(0);
294 if (p)
295 *p = r;
296 return r;
297 }
298 #endif
299
300 /*
172 ** Private function declarations. 301 ** Private function declarations.
173 */ 302 */
174 303
175 char * icalloc(int nelem, int elsize);
176 char * icatalloc(char * old, const char * new); 304 char * icatalloc(char * old, const char * new);
177 char * icpyalloc(const char * string); 305 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); 306 const char * scheck(const char * string, const char * format);
183 307
184 /* 308 /*
185 ** Finally, some convenience items. 309 ** Finally, some convenience items.
186 */ 310 */
187 311
188 #ifndef TRUE 312 #ifndef TRUE
189 #define TRUE 1 313 #define TRUE 1
190 #endif /* !defined TRUE */ 314 #endif /* !defined TRUE */
191 315
192 #ifndef FALSE 316 #ifndef FALSE
193 #define FALSE 0 317 #define FALSE 0
194 #endif /* !defined FALSE */ 318 #endif /* !defined FALSE */
195 319
196 #ifndef TYPE_BIT 320 #ifndef TYPE_BIT
197 #define TYPE_BIT(type) (sizeof (type) * CHAR_BIT) 321 #define TYPE_BIT(type) (sizeof (type) * CHAR_BIT)
198 #endif /* !defined TYPE_BIT */ 322 #endif /* !defined TYPE_BIT */
199 323
200 #ifndef TYPE_SIGNED 324 #ifndef TYPE_SIGNED
201 #define TYPE_SIGNED(type) (((type) -1) < 0) 325 #define TYPE_SIGNED(type) (((type) -1) < 0)
202 #endif /* !defined TYPE_SIGNED */ 326 #endif /* !defined TYPE_SIGNED */
203 327
204 /* 328 /* The minimum and maximum finite time values. */
205 ** Since the definition of TYPE_INTEGRAL contains floating point numbers, 329 static time_t const time_t_min =
206 ** it cannot be used in preprocessor directives. 330 (TYPE_SIGNED(time_t)
207 */ 331 ? (time_t) -1 << (CHAR_BIT * sizeof (time_t) - 1)
208 332 : 0);
209 #ifndef TYPE_INTEGRAL 333 static time_t const time_t_max =
210 #define TYPE_INTEGRAL(type) (((type) 0.5) != 0.5) 334 (TYPE_SIGNED(time_t)
211 #endif /* !defined TYPE_INTEGRAL */ 335 ? - (~ 0 < 0) - ((time_t) -1 << (CHAR_BIT * sizeof (time_t) - 1))
336 : -1);
212 337
213 #ifndef INT_STRLEN_MAXIMUM 338 #ifndef INT_STRLEN_MAXIMUM
214 /* 339 /*
215 ** 302 / 1000 is log10(2.0) rounded up. 340 ** 302 / 1000 is log10(2.0) rounded up.
216 ** Subtract one for the sign bit if the type is signed; 341 ** Subtract one for the sign bit if the type is signed;
217 ** add one for integer division truncation; 342 ** add one for integer division truncation;
218 ** add one more for a minus sign if the type is signed. 343 ** add one more for a minus sign if the type is signed.
219 */ 344 */
220 #define INT_STRLEN_MAXIMUM(type) \ 345 #define INT_STRLEN_MAXIMUM(type) \
221 ((TYPE_BIT(type) - TYPE_SIGNED(type)) * 302 / 1000 + \ 346 ((TYPE_BIT(type) - TYPE_SIGNED(type)) * 302 / 1000 + \
(...skipping 67 matching lines...) Expand 10 before | Expand all | Expand 10 after
289 414
290 #ifndef SECSPERREPEAT_BITS 415 #ifndef SECSPERREPEAT_BITS
291 #define SECSPERREPEAT_BITS 34 /* ceil(log2(SECSPERREPEAT)) */ 416 #define SECSPERREPEAT_BITS 34 /* ceil(log2(SECSPERREPEAT)) */
292 #endif /* !defined SECSPERREPEAT_BITS */ 417 #endif /* !defined SECSPERREPEAT_BITS */
293 418
294 /* 419 /*
295 ** UNIX was a registered trademark of The Open Group in 2003. 420 ** UNIX was a registered trademark of The Open Group in 2003.
296 */ 421 */
297 422
298 #endif /* !defined PRIVATE_H */ 423 #endif /* !defined PRIVATE_H */
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