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).
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
16 * $FreeBSD: src/usr.sbin/zic/private.h,v 1.3 1999/08/28 01:21:18 peter Exp $
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.
33 static char privatehid[] = "@(#)private.h 7.48";
34 #endif /* !defined NOID */
35 #endif /* !defined lint */
38 ** Defaults for preprocessor symbols.
39 ** You can override these in your C compiler options, e.g. `-DHAVE_ADJTIME=0'.
43 #define HAVE_GETTEXT 0
44 #endif /* !defined HAVE_GETTEXT */
47 #define HAVE_STRERROR 1
48 #endif /* !defined HAVE_STRERROR */
51 #define HAVE_SYMLINK 1
52 #endif /* !defined HAVE_SYMLINK */
55 #define HAVE_UNISTD_H 1
56 #endif /* !defined HAVE_UNISTD_H */
62 #include "sys/types.h" /* for time_t */
66 #include "limits.h" /* for CHAR_BIT */
72 #endif /* HAVE_GETTEXT - 0 */
75 #include "unistd.h" /* for F_OK and R_OK */
76 #endif /* HAVE_UNISTD_H - 0 */
78 #if !(HAVE_UNISTD_H - 0)
81 #endif /* !defined F_OK */
84 #endif /* !defined R_OK */
85 #endif /* !(HAVE_UNISTD_H - 0) */
87 /* Unlike <ctype.h>'s isdigit, this also works if c < 0 | c > UCHAR_MAX. */
88 #define is_digit(c) ((unsigned)(c) - '0' <= 9)
93 ** Private function declarations.
95 char * icalloc P((int nelem, int elsize));
96 char * icatalloc P((char * old, const char * new));
97 char * icpyalloc P((const char * string));
98 char * imalloc P((int n));
99 void * irealloc P((void * pointer, int size));
100 void icfree P((char * pointer));
101 void ifree P((char * pointer));
102 char * scheck P((const char *string, const char *format));
105 ** Finally, some convenience items.
110 #endif /* !defined TRUE */
114 #endif /* !defined FALSE */
117 #define TYPE_BIT(type) (sizeof (type) * CHAR_BIT)
118 #endif /* !defined TYPE_BIT */
121 #define TYPE_SIGNED(type) (((type) -1) < 0)
122 #endif /* !defined TYPE_SIGNED */
124 #ifndef INT_STRLEN_MAXIMUM
126 ** 302 / 1000 is log10(2.0) rounded up.
127 ** Subtract one for the sign bit if the type is signed;
128 ** add one for integer division truncation;
129 ** add one more for a minus sign if the type is signed.
131 #define INT_STRLEN_MAXIMUM(type) \
132 ((TYPE_BIT(type) - TYPE_SIGNED(type)) * 302 / 1000 + 1 + TYPE_SIGNED(type))
133 #endif /* !defined INT_STRLEN_MAXIMUM */
142 #endif /* defined lint */
146 #endif /* defined __GNUC__ */
147 #endif /* !defined lint */
148 #endif /* !defined GNUC_or_lint */
152 #define INITIALIZE(x) ((x) = 0)
153 #endif /* defined GNUC_or_lint */
155 #define INITIALIZE(x)
156 #endif /* !defined GNUC_or_lint */
157 #endif /* !defined INITIALIZE */
160 ** For the benefit of GNU folk...
161 ** `_(MSGID)' uses the current locale's message library string for MSGID.
162 ** The default is to use gettext if available, and use MSGID otherwise.
167 #define _(msgid) gettext(msgid)
168 #else /* !(HAVE_GETTEXT - 0) */
169 #define _(msgid) msgid
170 #endif /* !(HAVE_GETTEXT - 0) */
171 #endif /* !defined _ */
174 #define TZ_DOMAIN "tz"
175 #endif /* !defined TZ_DOMAIN */
178 ** UNIX was a registered trademark of UNIX System Laboratories in 1993.
181 #endif /* !defined PRIVATE_H */