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The Android Open Source Projectdd7bc332009-03-03 19:32:55 -08001#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
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*/
17
18/*
19** ID
20*/
21
22#ifndef lint
23#ifndef NOID
24static char privatehid[] = "@(#)private.h 8.2";
25#endif /* !defined NOID */
26#endif /* !defined lint */
27
28#define GRANDPARENTED "Local time zone must be set--see zic manual page"
29
30/*
31** Defaults for preprocessor symbols.
32** You can override these in your C compiler options, e.g. `-DHAVE_ADJTIME=0'.
33*/
34
35#ifndef HAVE_ADJTIME
36#define HAVE_ADJTIME 1
37#endif /* !defined HAVE_ADJTIME */
38
39#ifndef HAVE_GETTEXT
40#define HAVE_GETTEXT 0
41#endif /* !defined HAVE_GETTEXT */
42
43#ifndef HAVE_INCOMPATIBLE_CTIME_R
44#define HAVE_INCOMPATIBLE_CTIME_R 0
45#endif /* !defined INCOMPATIBLE_CTIME_R */
46
47#ifndef HAVE_SETTIMEOFDAY
48#define HAVE_SETTIMEOFDAY 3
49#endif /* !defined HAVE_SETTIMEOFDAY */
50
51#ifndef HAVE_STRERROR
52#define HAVE_STRERROR 1
53#endif /* !defined HAVE_STRERROR */
54
55#ifndef HAVE_SYMLINK
56#define HAVE_SYMLINK 1
57#endif /* !defined HAVE_SYMLINK */
58
59#ifndef HAVE_SYS_STAT_H
60#define HAVE_SYS_STAT_H 1
61#endif /* !defined HAVE_SYS_STAT_H */
62
63#ifndef HAVE_SYS_WAIT_H
64#define HAVE_SYS_WAIT_H 1
65#endif /* !defined HAVE_SYS_WAIT_H */
66
67#ifndef HAVE_UNISTD_H
68#define HAVE_UNISTD_H 1
69#endif /* !defined HAVE_UNISTD_H */
70
71#ifndef HAVE_UTMPX_H
72#define HAVE_UTMPX_H 0
73#endif /* !defined HAVE_UTMPX_H */
74
75#ifndef LOCALE_HOME
76#define LOCALE_HOME "/usr/lib/locale"
77#endif /* !defined LOCALE_HOME */
78
79#if HAVE_INCOMPATIBLE_CTIME_R
80#define asctime_r _incompatible_asctime_r
81#define ctime_r _incompatible_ctime_r
82#endif /* HAVE_INCOMPATIBLE_CTIME_R */
83
84/*
85** Nested includes
86*/
87
88#include "sys/types.h" /* for time_t */
89#include "stdio.h"
90#include "errno.h"
91#include "string.h"
92#include "limits.h" /* for CHAR_BIT et al. */
93#include "time.h"
94#include "stdlib.h"
95
96#if HAVE_GETTEXT
97#include "libintl.h"
98#endif /* HAVE_GETTEXT */
99
100#if HAVE_SYS_WAIT_H
101#include <sys/wait.h> /* for WIFEXITED and WEXITSTATUS */
102#endif /* HAVE_SYS_WAIT_H */
103
104#ifndef WIFEXITED
105#define WIFEXITED(status) (((status) & 0xff) == 0)
106#endif /* !defined WIFEXITED */
107#ifndef WEXITSTATUS
108#define WEXITSTATUS(status) (((status) >> 8) & 0xff)
109#endif /* !defined WEXITSTATUS */
110
111#if HAVE_UNISTD_H
112#include "unistd.h" /* for F_OK and R_OK */
113#endif /* HAVE_UNISTD_H */
114
115#if !HAVE_UNISTD_H
116#ifndef F_OK
117#define F_OK 0
118#endif /* !defined F_OK */
119#ifndef R_OK
120#define R_OK 4
121#endif /* !defined R_OK */
122#endif /* !HAVE_UNISTD_H */
123
124/* Unlike <ctype.h>'s isdigit, this also works if c < 0 | c > UCHAR_MAX. */
125#define is_digit(c) ((unsigned)(c) - '0' <= 9)
126
127/*
128** Define HAVE_STDINT_H's default value here, rather than at the
129** start, since __GLIBC__'s value depends on previously-included
130** files.
131** (glibc 2.1 and later have stdint.h, even with pre-C99 compilers.)
132*/
133#ifndef HAVE_STDINT_H
134#define HAVE_STDINT_H \
135 (199901 <= __STDC_VERSION__ || \
136 2 < (__GLIBC__ + (0 < __GLIBC_MINOR__)))
137#endif /* !defined HAVE_STDINT_H */
138
139#if HAVE_STDINT_H
140#include "stdint.h"
141#endif /* !HAVE_STDINT_H */
142
143#ifndef INT_FAST64_MAX
144/* Pre-C99 GCC compilers define __LONG_LONG_MAX__ instead of LLONG_MAX. */
145#if defined LLONG_MAX || defined __LONG_LONG_MAX__
146typedef long long int_fast64_t;
147#else /* ! (defined LLONG_MAX || defined __LONG_LONG_MAX__) */
148#if (LONG_MAX >> 31) < 0xffffffff
149Please use a compiler that supports a 64-bit integer type (or wider);
150you may need to compile with "-DHAVE_STDINT_H".
151#endif /* (LONG_MAX >> 31) < 0xffffffff */
152typedef long int_fast64_t;
153#endif /* ! (defined LLONG_MAX || defined __LONG_LONG_MAX__) */
154#endif /* !defined INT_FAST64_MAX */
155
156#ifndef INT32_MAX
157#define INT32_MAX 0x7fffffff
158#endif /* !defined INT32_MAX */
159#ifndef INT32_MIN
160#define INT32_MIN (-1 - INT32_MAX)
161#endif /* !defined INT32_MIN */
162
163/*
164** Workarounds for compilers/systems.
165*/
166
167/*
168** If your compiler lacks prototypes, "#define P(x) ()".
169*/
170
171#ifndef P
172#define P(x) x
173#endif /* !defined P */
174
175/*
176** SunOS 4.1.1 headers lack EXIT_SUCCESS.
177*/
178
179#ifndef EXIT_SUCCESS
180#define EXIT_SUCCESS 0
181#endif /* !defined EXIT_SUCCESS */
182
183/*
184** SunOS 4.1.1 headers lack EXIT_FAILURE.
185*/
186
187#ifndef EXIT_FAILURE
188#define EXIT_FAILURE 1
189#endif /* !defined EXIT_FAILURE */
190
191/*
192** SunOS 4.1.1 headers lack FILENAME_MAX.
193*/
194
195#ifndef FILENAME_MAX
196
197#ifndef MAXPATHLEN
198#ifdef unix
199#include "sys/param.h"
200#endif /* defined unix */
201#endif /* !defined MAXPATHLEN */
202
203#ifdef MAXPATHLEN
204#define FILENAME_MAX MAXPATHLEN
205#endif /* defined MAXPATHLEN */
206#ifndef MAXPATHLEN
207#define FILENAME_MAX 1024 /* Pure guesswork */
208#endif /* !defined MAXPATHLEN */
209
210#endif /* !defined FILENAME_MAX */
211
212/*
213** SunOS 4.1.1 libraries lack remove.
214*/
215
216#ifndef remove
217extern int unlink P((const char * filename));
218#define remove unlink
219#endif /* !defined remove */
220
221/*
222** Some ancient errno.h implementations don't declare errno.
223** But some newer errno.h implementations define it as a macro.
224** Fix the former without affecting the latter.
225*/
226
227#ifndef errno
228extern int errno;
229#endif /* !defined errno */
230
231/*
232** Some time.h implementations don't declare asctime_r.
233** Others might define it as a macro.
234** Fix the former without affecting the latter.
235*/
236
237#ifndef asctime_r
238extern char * asctime_r();
239#endif
240
241/*
242** Private function declarations.
243*/
244
245char * icalloc P((int nelem, int elsize));
246char * icatalloc P((char * old, const char * new));
247char * icpyalloc P((const char * string));
248char * imalloc P((int n));
249void * irealloc P((void * pointer, int size));
250void icfree P((char * pointer));
251void ifree P((char * pointer));
252const char * scheck P((const char * string, const char * format));
253
254/*
255** Finally, some convenience items.
256*/
257
258#ifndef TRUE
259#define TRUE 1
260#endif /* !defined TRUE */
261
262#ifndef FALSE
263#define FALSE 0
264#endif /* !defined FALSE */
265
266#ifndef TYPE_BIT
267#define TYPE_BIT(type) (sizeof (type) * CHAR_BIT)
268#endif /* !defined TYPE_BIT */
269
270#ifndef TYPE_SIGNED
271#define TYPE_SIGNED(type) (((type) -1) < 0)
272#endif /* !defined TYPE_SIGNED */
273
274/*
275** Since the definition of TYPE_INTEGRAL contains floating point numbers,
276** it cannot be used in preprocessor directives.
277*/
278
279#ifndef TYPE_INTEGRAL
280#define TYPE_INTEGRAL(type) (((type) 0.5) != 0.5)
281#endif /* !defined TYPE_INTEGRAL */
282
283#ifndef INT_STRLEN_MAXIMUM
284/*
285** 302 / 1000 is log10(2.0) rounded up.
286** Subtract one for the sign bit if the type is signed;
287** add one for integer division truncation;
288** add one more for a minus sign if the type is signed.
289*/
290#define INT_STRLEN_MAXIMUM(type) \
291 ((TYPE_BIT(type) - TYPE_SIGNED(type)) * 302 / 1000 + \
292 1 + TYPE_SIGNED(type))
293#endif /* !defined INT_STRLEN_MAXIMUM */
294
295/*
296** INITIALIZE(x)
297*/
298
299#ifndef GNUC_or_lint
300#ifdef lint
301#define GNUC_or_lint
302#endif /* defined lint */
303#ifndef lint
304#ifdef __GNUC__
305#define GNUC_or_lint
306#endif /* defined __GNUC__ */
307#endif /* !defined lint */
308#endif /* !defined GNUC_or_lint */
309
310#ifndef INITIALIZE
311#ifdef GNUC_or_lint
312#define INITIALIZE(x) ((x) = 0)
313#endif /* defined GNUC_or_lint */
314#ifndef GNUC_or_lint
315#define INITIALIZE(x)
316#endif /* !defined GNUC_or_lint */
317#endif /* !defined INITIALIZE */
318
319/*
320** For the benefit of GNU folk...
321** `_(MSGID)' uses the current locale's message library string for MSGID.
322** The default is to use gettext if available, and use MSGID otherwise.
323*/
324
325#ifndef _
326#if HAVE_GETTEXT
327#define _(msgid) gettext(msgid)
328#else /* !HAVE_GETTEXT */
329#define _(msgid) msgid
330#endif /* !HAVE_GETTEXT */
331#endif /* !defined _ */
332
333#ifndef TZ_DOMAIN
334#define TZ_DOMAIN "tz"
335#endif /* !defined TZ_DOMAIN */
336
337#if HAVE_INCOMPATIBLE_CTIME_R
338#undef asctime_r
339#undef ctime_r
340char *asctime_r P((struct tm const *, char *));
341char *ctime_r P((time_t const *, char *));
342#endif /* HAVE_INCOMPATIBLE_CTIME_R */
343
344#ifndef YEARSPERREPEAT
345#define YEARSPERREPEAT 400 /* years before a Gregorian repeat */
346#endif /* !defined YEARSPERREPEAT */
347
348/*
349** The Gregorian year averages 365.2425 days, which is 31556952 seconds.
350*/
351
352#ifndef AVGSECSPERYEAR
353#define AVGSECSPERYEAR 31556952L
354#endif /* !defined AVGSECSPERYEAR */
355
356#ifndef SECSPERREPEAT
357#define SECSPERREPEAT ((int_fast64_t) YEARSPERREPEAT * (int_fast64_t) AVGSECSPERYEAR)
358#endif /* !defined SECSPERREPEAT */
359
360#ifndef SECSPERREPEAT_BITS
361#define SECSPERREPEAT_BITS 34 /* ceil(log2(SECSPERREPEAT)) */
362#endif /* !defined SECSPERREPEAT_BITS */
363
364/*
365** UNIX was a registered trademark of The Open Group in 2003.
366*/
367
368#endif /* !defined PRIVATE_H */