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