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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 (arthur_david_olson@nih.gov). | |
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: src/usr.sbin/zic/private.h,v 1.7 2004/06/20 21:41:11 stefanf Exp $ | |
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 | |
33 | static const char privatehid[] = "@(#)private.h 7.53"; | |
34 | #endif /* !defined NOID */ | |
35 | #endif /* !defined lint */ | |
36 | ||
37 | /* | |
38 | ** Defaults for preprocessor symbols. | |
39 | ** You can override these in your C compiler options, e.g. `-DHAVE_ADJTIME=0'. | |
40 | */ | |
41 | ||
42 | #ifndef HAVE_GETTEXT | |
43 | #define HAVE_GETTEXT 0 | |
44 | #endif /* !defined HAVE_GETTEXT */ | |
45 | ||
46 | #ifndef HAVE_STRERROR | |
47 | #define HAVE_STRERROR 1 | |
48 | #endif /* !defined HAVE_STRERROR */ | |
49 | ||
50 | #ifndef HAVE_SYMLINK | |
51 | #define HAVE_SYMLINK 1 | |
52 | #endif /* !defined HAVE_SYMLINK */ | |
53 | ||
54 | #ifndef HAVE_SYS_STAT_H | |
55 | #define HAVE_SYS_STAT_H 1 | |
56 | #endif /* !defined HAVE_SYS_STAT_H */ | |
57 | ||
58 | #ifndef HAVE_SYS_WAIT_H | |
59 | #define HAVE_SYS_WAIT_H 1 | |
60 | #endif /* !defined HAVE_SYS_WAIT_H */ | |
61 | ||
62 | #ifndef HAVE_UNISTD_H | |
63 | #define HAVE_UNISTD_H 1 | |
64 | #endif /* !defined HAVE_UNISTD_H */ | |
65 | ||
66 | /* | |
67 | ** Nested includes | |
68 | */ | |
69 | ||
70 | #include "sys/types.h" /* for time_t */ | |
71 | #include "stdio.h" | |
72 | #include "errno.h" | |
73 | #include "string.h" | |
74 | #include "limits.h" /* for CHAR_BIT */ | |
75 | #include "time.h" | |
76 | #include "stdlib.h" | |
77 | ||
78 | #if HAVE_GETTEXT - 0 | |
79 | #include "libintl.h" | |
80 | #endif /* HAVE_GETTEXT - 0 */ | |
81 | ||
82 | #if HAVE_SYS_WAIT_H - 0 | |
83 | #include <sys/wait.h> /* for WIFEXITED and WEXITSTATUS */ | |
84 | #endif /* HAVE_SYS_WAIT_H - 0 */ | |
85 | ||
86 | #if HAVE_UNISTD_H - 0 | |
87 | #include "unistd.h" /* for F_OK and R_OK */ | |
88 | #endif /* HAVE_UNISTD_H - 0 */ | |
89 | ||
90 | #if !(HAVE_UNISTD_H - 0) | |
91 | #ifndef F_OK | |
92 | #define F_OK 0 | |
93 | #endif /* !defined F_OK */ | |
94 | #ifndef R_OK | |
95 | #define R_OK 4 | |
96 | #endif /* !defined R_OK */ | |
97 | #endif /* !(HAVE_UNISTD_H - 0) */ | |
98 | ||
99 | /* Unlike <ctype.h>'s isdigit, this also works if c < 0 | c > UCHAR_MAX. */ | |
100 | #define is_digit(c) ((unsigned)(c) - '0' <= 9) | |
101 | ||
102 | #define P(x) x | |
103 | ||
104 | /* | |
105 | ** Private function declarations. | |
106 | */ | |
107 | char * icalloc P((size_t nelem, size_t elsize)); | |
108 | char * icatalloc P((char * old, const char * new)); | |
109 | char * icpyalloc P((const char * string)); | |
110 | char * imalloc P((size_t n)); | |
111 | void * irealloc P((void * pointer, size_t size)); | |
112 | void icfree P((char * pointer)); | |
113 | void ifree P((char * pointer)); | |
114 | char * scheck P((const char *string, const char *format)); | |
115 | ||
116 | /* | |
117 | ** Finally, some convenience items. | |
118 | */ | |
119 | ||
120 | #ifndef TRUE | |
121 | #define TRUE 1 | |
122 | #endif /* !defined TRUE */ | |
123 | ||
124 | #ifndef FALSE | |
125 | #define FALSE 0 | |
126 | #endif /* !defined FALSE */ | |
127 | ||
128 | #ifndef TYPE_BIT | |
129 | #define TYPE_BIT(type) (sizeof (type) * CHAR_BIT) | |
130 | #endif /* !defined TYPE_BIT */ | |
131 | ||
132 | #ifndef TYPE_SIGNED | |
133 | #define TYPE_SIGNED(type) (((type) -1) < 0) | |
134 | #endif /* !defined TYPE_SIGNED */ | |
135 | ||
136 | #ifndef INT_STRLEN_MAXIMUM | |
137 | /* | |
138 | ** 302 / 1000 is log10(2.0) rounded up. | |
139 | ** Subtract one for the sign bit if the type is signed; | |
140 | ** add one for integer division truncation; | |
141 | ** add one more for a minus sign if the type is signed. | |
142 | */ | |
143 | #define INT_STRLEN_MAXIMUM(type) \ | |
144 | ((TYPE_BIT(type) - TYPE_SIGNED(type)) * 302 / 1000 + 1 + TYPE_SIGNED(type)) | |
145 | #endif /* !defined INT_STRLEN_MAXIMUM */ | |
146 | ||
147 | /* | |
148 | ** INITIALIZE(x) | |
149 | */ | |
150 | ||
151 | #ifndef GNUC_or_lint | |
152 | #ifdef lint | |
153 | #define GNUC_or_lint | |
154 | #endif /* defined lint */ | |
155 | #ifndef lint | |
156 | #ifdef __GNUC__ | |
157 | #define GNUC_or_lint | |
158 | #endif /* defined __GNUC__ */ | |
159 | #endif /* !defined lint */ | |
160 | #endif /* !defined GNUC_or_lint */ | |
161 | ||
162 | #ifndef INITIALIZE | |
163 | #ifdef GNUC_or_lint | |
164 | #define INITIALIZE(x) ((x) = 0) | |
165 | #endif /* defined GNUC_or_lint */ | |
166 | #ifndef GNUC_or_lint | |
167 | #define INITIALIZE(x) | |
168 | #endif /* !defined GNUC_or_lint */ | |
169 | #endif /* !defined INITIALIZE */ | |
170 | ||
171 | /* | |
172 | ** For the benefit of GNU folk... | |
173 | ** `_(MSGID)' uses the current locale's message library string for MSGID. | |
174 | ** The default is to use gettext if available, and use MSGID otherwise. | |
175 | */ | |
176 | ||
177 | #ifndef _ | |
178 | #if HAVE_GETTEXT - 0 | |
179 | #define _(msgid) gettext(msgid) | |
180 | #else /* !(HAVE_GETTEXT - 0) */ | |
181 | #define _(msgid) msgid | |
182 | #endif /* !(HAVE_GETTEXT - 0) */ | |
183 | #endif /* !defined _ */ | |
184 | ||
185 | #ifndef TZ_DOMAIN | |
186 | #define TZ_DOMAIN "tz" | |
187 | #endif /* !defined TZ_DOMAIN */ | |
188 | ||
189 | /* | |
190 | ** UNIX was a registered trademark of The Open Group in 2003. | |
191 | */ | |
192 | ||
193 | #endif /* !defined PRIVATE_H */ |