usr.sbin/zic/private.h

   1 /*
   2  * $FreeBSD: src/lib/libc/stdtime/private.h,v 1.6.8.1 2000/08/23 00:19:15 jhb Exp $
   3  */
   4
   5 #ifndef PRIVATE_H
   6
   7 #define PRIVATE_H
   8 /*
   9 ** This file is in the public domain, so clarified as of
  10 ** 1996-06-05 by Arthur David Olson.
  11 */
  12
  13 /* Stuff moved from Makefile.inc to reduce clutter */
  14 #ifndef TM_GMTOFF
  15 #define TM_GMTOFF       tm_gmtoff
  16 #define TM_ZONE         tm_zone
  17 #define TZDIR           "/usr/share/zoneinfo"
  18 #endif /* ndef TM_GMTOFF */
  19
  20 /*
  21 ** This header is for use ONLY with the time conversion code.
  22 ** There is no guarantee that it will remain unchanged,
  23 ** or that it will remain at all.
  24 ** Do NOT copy it to any system include directory.
  25 ** Thank you!
  26 */
  27
  28 #define GRANDPARENTED   "Local time zone must be set--see zic manual page"
  29
  30 /*
  31 ** Nested includes
  32 */
  33
  34 #include "sys/types.h"  /* for time_t */
  35 #include "stdio.h"
  36 #include "errno.h"
  37 #include "string.h"
  38 #include "limits.h"     /* for CHAR_BIT et al. */
  39 #include "time.h"
  40 #include "stdlib.h"
  41
  42 #include <sys/wait.h>   /* for WIFEXITED and WEXITSTATUS */
  43
  44 #include "unistd.h"     /* for F_OK, R_OK, and other POSIX goodness */
  45
  46 /* Unlike <ctype.h>'s isdigit, this also works if c < 0 | c > UCHAR_MAX. */
  47 #define is_digit(c) ((unsigned)(c) - '0' <= 9)
  48
  49 #include "stdint.h"
  50
  51 /*
  52 ** Private function declarations.
  53 */
  54
  55 char *          icalloc(int nelem, int elsize);
  56 char *          icatalloc(char * old, const char * new);
  57 char *          icpyalloc(const char * string);
  58 char *          imalloc(int n);
  59 void *          irealloc(void * pointer, int size);
  60 void            icfree(char * pointer);
  61 void            ifree(char * pointer);
  62 const char *    scheck(const char * string, const char * format);
  63
  64 /*
  65 ** Finally, some convenience items.
  66 */
  67
  68 #ifndef TRUE
  69 #define TRUE    1
  70 #endif /* !defined TRUE */
  71
  72 #ifndef FALSE
  73 #define FALSE   0
  74 #endif /* !defined FALSE */
  75
  76 #ifndef TYPE_BIT
  77 #define TYPE_BIT(type)  (sizeof (type) * CHAR_BIT)
  78 #endif /* !defined TYPE_BIT */
  79
  80 #ifndef TYPE_SIGNED
  81 #define TYPE_SIGNED(type) (((type) -1) < 0)
  82 #endif /* !defined TYPE_SIGNED */
  83
  84 /*
  85 ** Since the definition of TYPE_INTEGRAL contains floating point numbers,
  86 ** it cannot be used in preprocessor directives.
  87 */
  88
  89 #ifndef TYPE_INTEGRAL
  90 #define TYPE_INTEGRAL(type) (((type) 0.5) != 0.5)
  91 #endif /* !defined TYPE_INTEGRAL */
  92
  93 #ifndef INT_STRLEN_MAXIMUM
  94 /*
  95 ** 302 / 1000 is log10(2.0) rounded up.
  96 ** Subtract one for the sign bit if the type is signed;
  97 ** add one for integer division truncation;
  98 ** add one more for a minus sign if the type is signed.
  99 */
 100 #define INT_STRLEN_MAXIMUM(type) \
 101         ((TYPE_BIT(type) - TYPE_SIGNED(type)) * 302 / 1000 + \
 102         1 + TYPE_SIGNED(type))
 103 #endif /* !defined INT_STRLEN_MAXIMUM */
 104
 105 /*
 106 ** INITIALIZE(x)
 107 */
 108
 109 #ifndef GNUC_or_lint
 110 #ifdef lint
 111 #define GNUC_or_lint
 112 #endif /* defined lint */
 113 #ifndef lint
 114 #ifdef __GNUC__
 115 #define GNUC_or_lint
 116 #endif /* defined __GNUC__ */
 117 #endif /* !defined lint */
 118 #endif /* !defined GNUC_or_lint */
 119
 120 #ifndef INITIALIZE
 121 #ifdef GNUC_or_lint
 122 #define INITIALIZE(x)   ((x) = 0)
 123 #endif /* defined GNUC_or_lint */
 124 #ifndef GNUC_or_lint
 125 #define INITIALIZE(x)
 126 #endif /* !defined GNUC_or_lint */
 127 #endif /* !defined INITIALIZE */
 128
 129 /*
 130 ** For the benefit of GNU folk...
 131 ** `_(MSGID)' uses the current locale's message library string for MSGID.
 132 ** The default is to use gettext if available, and use MSGID otherwise.
 133 */
 134
 135 #ifndef _
 136 #define _(msgid) msgid
 137 #endif /* !defined _ */
 138
 139 #ifndef TZ_DOMAIN
 140 #define TZ_DOMAIN "tz"
 141 #endif /* !defined TZ_DOMAIN */
 142
 143 #define YEARSPERREPEAT          400     /* years before a Gregorian repeat */
 144
 145 /*
 146 ** UNIX was a registered trademark of The Open Group in 2003.
 147 */
 148
 149 #endif /* !defined PRIVATE_H */