time/private.h

   1 #ifndef PRIVATE_H
   2
   3 #define PRIVATE_H
   4
   5 /*
   6 ** This header is for use ONLY with the time conversion code.
   7 ** There is no guarantee that it will remain unchanged,
   8 ** or that it will remain at all.
   9 ** Do NOT copy it to any system include directory.
  10 ** Thank you!
  11 */
  12
  13 /*
  14 ** ID
  15 */
  16
  17 #ifndef lint
  18 #ifndef NOID
  19 static char     privatehid[] = "@(#)private.h   7.33";
  20 #endif /* !defined NOID */
  21 #endif /* !defined lint */
  22
  23 /*
  24 ** Defaults for preprocessor symbols.
  25 ** You can override these in your C compiler options, e.g. `-DHAVE_ADJTIME=0'.
  26 */
  27
  28 #ifndef HAVE_ADJTIME
  29 #define HAVE_ADJTIME            1
  30 #endif /* !defined HAVE_ADJTIME */
  31
  32 #ifndef HAVE_SETTIMEOFDAY
  33 #define HAVE_SETTIMEOFDAY       3
  34 #endif /* !defined HAVE_SETTIMEOFDAY */
  35
  36 #ifndef HAVE_UNISTD_H
  37 #define HAVE_UNISTD_H           1
  38 #endif /* !defined HAVE_UNISTD_H */
  39
  40 #ifndef LOCALE_HOME
  41 #define LOCALE_HOME             "/usr/lib/locale"
  42 #endif /* !defined LOCALE_HOME */
  43
  44 /*
  45 ** Nested includes
  46 */
  47
  48 #include "sys/types.h"  /* for time_t */
  49 #include "stdio.h"
  50 #include "ctype.h"
  51 #include "errno.h"
  52 #include "string.h"
  53 #include "limits.h"     /* for CHAR_BIT */
  54 #include "time.h"
  55 #include "stdlib.h"
  56
  57 #if HAVE_UNISTD_H - 0
  58 #include "unistd.h"     /* for F_OK and R_OK */
  59 #endif /* HAVE_UNISTD_H - 0 */
  60
  61 #if !(HAVE_UNISTD_H - 0)
  62 #ifndef F_OK
  63 #define F_OK    0
  64 #endif /* !defined F_OK */
  65 #ifndef R_OK
  66 #define R_OK    4
  67 #endif /* !defined R_OK */
  68 #endif /* !(HAVE_UNISTD_H - 0) */
  69
  70 /*
  71 ** Workarounds for compilers/systems.
  72 */
  73
  74 /*
  75 ** SunOS 4.1.1 cc lacks const.
  76 */
  77
  78 #ifndef const
  79 #ifndef __STDC__
  80 #define const
  81 #endif /* !defined __STDC__ */
  82 #endif /* !defined const */
  83
  84 /*
  85 ** SunOS 4.1.1 cc lacks prototypes.
  86 */
  87
  88 #ifndef P
  89 #ifdef __STDC__
  90 #define P(x)    x
  91 #endif /* defined __STDC__ */
  92 #ifndef __STDC__
  93 #define P(x)    ()
  94 #endif /* !defined __STDC__ */
  95 #endif /* !defined P */
  96
  97 /*
  98 ** SunOS 4.1.1 headers lack EXIT_SUCCESS.
  99 */
 100
 101 #ifndef EXIT_SUCCESS
 102 #define EXIT_SUCCESS    0
 103 #endif /* !defined EXIT_SUCCESS */
 104
 105 /*
 106 ** SunOS 4.1.1 headers lack EXIT_FAILURE.
 107 */
 108
 109 #ifndef EXIT_FAILURE
 110 #define EXIT_FAILURE    1
 111 #endif /* !defined EXIT_FAILURE */
 112
 113 /*
 114 ** SunOS 4.1.1 headers lack FILENAME_MAX.
 115 */
 116
 117 #ifndef FILENAME_MAX
 118
 119 #ifndef MAXPATHLEN
 120 #ifdef unix
 121 #include "sys/param.h"
 122 #endif /* defined unix */
 123 #endif /* !defined MAXPATHLEN */
 124
 125 #ifdef MAXPATHLEN
 126 #define FILENAME_MAX    MAXPATHLEN
 127 #endif /* defined MAXPATHLEN */
 128 #ifndef MAXPATHLEN
 129 #define FILENAME_MAX    1024            /* Pure guesswork */
 130 #endif /* !defined MAXPATHLEN */
 131
 132 #endif /* !defined FILENAME_MAX */
 133
 134 /*
 135 ** SunOS 4.1.1 libraries lack remove.
 136 */
 137
 138 #ifndef remove
 139 extern int      unlink P((const char * filename));
 140 #define remove  unlink
 141 #endif /* !defined remove */
 142
 143 /*
 144 ** Finally, some convenience items.
 145 */
 146
 147 #ifndef TRUE
 148 #define TRUE    1
 149 #endif /* !defined TRUE */
 150
 151 #ifndef FALSE
 152 #define FALSE   0
 153 #endif /* !defined FALSE */
 154
 155 #ifndef INT_STRLEN_MAXIMUM
 156 /*
 157 ** 302 / 1000 is log10(2.0) rounded up.
 158 ** Subtract one for the sign bit;
 159 ** add one for integer division truncation;
 160 ** add one more for a minus sign.
 161 */
 162 #define INT_STRLEN_MAXIMUM(type) \
 163         ((sizeof(type) * CHAR_BIT - 1) * 302 / 1000 + 2)
 164 #endif /* !defined INT_STRLEN_MAXIMUM */
 165
 166 /*
 167 ** INITIALIZE(x)
 168 */
 169
 170 #ifndef GNUC_or_lint
 171 #ifdef lint
 172 #define GNUC_or_lint
 173 #endif /* defined lint */
 174 #ifndef lint
 175 #ifdef __GNUC__
 176 #define GNUC_or_lint
 177 #endif /* defined __GNUC__ */
 178 #endif /* !defined lint */
 179 #endif /* !defined GNUC_or_lint */
 180
 181 #ifndef INITIALIZE
 182 #ifdef GNUC_or_lint
 183 #define INITIALIZE(x)   ((x) = 0)
 184 #endif /* defined GNUC_or_lint */
 185 #ifndef GNUC_or_lint
 186 #define INITIALIZE(x)
 187 #endif /* !defined GNUC_or_lint */
 188 #endif /* !defined INITIALIZE */
 189
 190 /*
 191 ** UNIX was a registered trademark of UNIX System Laboratories in 1993.
 192 */
 193
 194 #endif /* !defined PRIVATE_H */