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 $
17 * $DragonFly: src/usr.sbin/zic/private.h,v 1.2 2003/06/17 04:30:05 dillon Exp $
23 ** This header is for use ONLY with the time conversion code.
24 ** There is no guarantee that it will remain unchanged,
25 ** or that it will remain at all.
26 ** Do NOT copy it to any system include directory.
35 ** Defaults for preprocessor symbols.
36 ** You can override these in your C compiler options, e.g. `-DHAVE_ADJTIME=0'.
40 #define HAVE_GETTEXT 0
41 #endif /* !defined HAVE_GETTEXT */
44 #define HAVE_STRERROR 1
45 #endif /* !defined HAVE_STRERROR */
48 #define HAVE_SYMLINK 1
49 #endif /* !defined HAVE_SYMLINK */
52 #define HAVE_UNISTD_H 1
53 #endif /* !defined HAVE_UNISTD_H */
59 #include "sys/types.h" /* for time_t */
63 #include "limits.h" /* for CHAR_BIT */
69 #endif /* HAVE_GETTEXT - 0 */
72 #include "unistd.h" /* for F_OK and R_OK */
73 #endif /* HAVE_UNISTD_H - 0 */
75 #if !(HAVE_UNISTD_H - 0)
78 #endif /* !defined F_OK */
81 #endif /* !defined R_OK */
82 #endif /* !(HAVE_UNISTD_H - 0) */
84 /* Unlike <ctype.h>'s isdigit, this also works if c < 0 | c > UCHAR_MAX. */
85 #define is_digit(c) ((unsigned)(c) - '0' <= 9)
90 ** Private function declarations.
92 char * icalloc P((int nelem, int elsize));
93 char * icatalloc P((char * old, const char * new));
94 char * icpyalloc P((const char * string));
95 char * imalloc P((int n));
96 void * irealloc P((void * pointer, int size));
97 void icfree P((char * pointer));
98 void ifree P((char * pointer));
99 char * scheck P((const char *string, const char *format));
102 ** Finally, some convenience items.
107 #endif /* !defined TRUE */
111 #endif /* !defined FALSE */
114 #define TYPE_BIT(type) (sizeof (type) * CHAR_BIT)
115 #endif /* !defined TYPE_BIT */
118 #define TYPE_SIGNED(type) (((type) -1) < 0)
119 #endif /* !defined TYPE_SIGNED */
121 #ifndef INT_STRLEN_MAXIMUM
123 ** 302 / 1000 is log10(2.0) rounded up.
124 ** Subtract one for the sign bit if the type is signed;
125 ** add one for integer division truncation;
126 ** add one more for a minus sign if the type is signed.
128 #define INT_STRLEN_MAXIMUM(type) \
129 ((TYPE_BIT(type) - TYPE_SIGNED(type)) * 302 / 1000 + 1 + TYPE_SIGNED(type))
130 #endif /* !defined INT_STRLEN_MAXIMUM */
139 #endif /* defined lint */
143 #endif /* defined __GNUC__ */
144 #endif /* !defined lint */
145 #endif /* !defined GNUC_or_lint */
149 #define INITIALIZE(x) ((x) = 0)
150 #endif /* defined GNUC_or_lint */
152 #define INITIALIZE(x)
153 #endif /* !defined GNUC_or_lint */
154 #endif /* !defined INITIALIZE */
157 ** For the benefit of GNU folk...
158 ** `_(MSGID)' uses the current locale's message library string for MSGID.
159 ** The default is to use gettext if available, and use MSGID otherwise.
164 #define _(msgid) gettext(msgid)
165 #else /* !(HAVE_GETTEXT - 0) */
166 #define _(msgid) msgid
167 #endif /* !(HAVE_GETTEXT - 0) */
168 #endif /* !defined _ */
171 #define TZ_DOMAIN "tz"
172 #endif /* !defined TZ_DOMAIN */
175 ** UNIX was a registered trademark of UNIX System Laboratories in 1993.
178 #endif /* !defined PRIVATE_H */