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private.h revision 1.5 
      1 /*	$NetBSD: private.h,v 1.5 1996/01/20 02:31:20 jtc Exp $	*/
      2 
      3 #ifndef PRIVATE_H
      4 #define PRIVATE_H
      5 
      6 /* NetBSD defaults */
      7 #define TM_GMTOFF	tm_gmtoff
      8 #define TM_ZONE		tm_zone
      9 #define STD_INSPIRED	1
     10 #define HAVE_LONG_DOUBLE 1
     11 
     12 /*
     13 ** This header is for use ONLY with the time conversion code.
     14 ** There is no guarantee that it will remain unchanged,
     15 ** or that it will remain at all.
     16 ** Do NOT copy it to any system include directory.
     17 ** Thank you!
     18 */
     19 
     20 /*
     21 ** ID
     22 */
     23 
     24 #ifndef lint
     25 #ifndef NOID
     26 static char	privatehid[] = "@(#)private.h	7.39";
     27 #endif /* !defined NOID */
     28 #endif /* !defined lint */
     29 
     30 /*
     31 ** Defaults for preprocessor symbols.
     32 ** You can override these in your C compiler options, e.g. `-DHAVE_ADJTIME=0'.
     33 */
     34 
     35 #ifndef HAVE_ADJTIME
     36 #define HAVE_ADJTIME		1
     37 #endif /* !defined HAVE_ADJTIME */
     38 
     39 #ifndef HAVE_SETTIMEOFDAY
     40 #define HAVE_SETTIMEOFDAY	3
     41 #endif /* !defined HAVE_SETTIMEOFDAY */
     42 
     43 #ifndef HAVE_UNISTD_H
     44 #define HAVE_UNISTD_H		1
     45 #endif /* !defined HAVE_UNISTD_H */
     46 
     47 #ifndef HAVE_UTMPX_H
     48 #define HAVE_UTMPX_H		0
     49 #endif /* !defined HAVE_UTMPX_H */
     50 
     51 #ifndef LOCALE_HOME
     52 #define LOCALE_HOME		"/usr/lib/locale"
     53 #endif /* !defined LOCALE_HOME */
     54 
     55 /*
     56 ** Nested includes
     57 */
     58 
     59 #include "sys/types.h"	/* for time_t */
     60 #include "stdio.h"
     61 #include "errno.h"
     62 #include "string.h"
     63 #include "limits.h"	/* for CHAR_BIT */
     64 #include "time.h"
     65 #include "stdlib.h"
     66 
     67 #if HAVE_UNISTD_H - 0
     68 #include "unistd.h"	/* for F_OK and R_OK */
     69 #endif /* HAVE_UNISTD_H - 0 */
     70 
     71 #if !(HAVE_UNISTD_H - 0)
     72 #ifndef F_OK
     73 #define F_OK	0
     74 #endif /* !defined F_OK */
     75 #ifndef R_OK
     76 #define R_OK	4
     77 #endif /* !defined R_OK */
     78 #endif /* !(HAVE_UNISTD_H - 0) */
     79 
     80 /* Unlike <ctype.h>'s isdigit, this also works if c < 0 | c > UCHAR_MAX.  */
     81 #define is_digit(c) ((unsigned)(c) - '0' <= 9)
     82 
     83 /*
     84 ** Workarounds for compilers/systems.
     85 */
     86 
     87 /*
     88 ** SunOS 4.1.1 cc lacks const.
     89 */
     90 
     91 #ifndef const
     92 #ifndef __STDC__
     93 #define const
     94 #endif /* !defined __STDC__ */
     95 #endif /* !defined const */
     96 
     97 /*
     98 ** SunOS 4.1.1 cc lacks prototypes.
     99 */
    100 
    101 #ifndef P
    102 #ifdef __STDC__
    103 #define P(x)	x
    104 #endif /* defined __STDC__ */
    105 #ifndef __STDC__
    106 #define P(x)	()
    107 #endif /* !defined __STDC__ */
    108 #endif /* !defined P */
    109 
    110 /*
    111 ** SunOS 4.1.1 headers lack EXIT_SUCCESS.
    112 */
    113 
    114 #ifndef EXIT_SUCCESS
    115 #define EXIT_SUCCESS	0
    116 #endif /* !defined EXIT_SUCCESS */
    117 
    118 /*
    119 ** SunOS 4.1.1 headers lack EXIT_FAILURE.
    120 */
    121 
    122 #ifndef EXIT_FAILURE
    123 #define EXIT_FAILURE	1
    124 #endif /* !defined EXIT_FAILURE */
    125 
    126 /*
    127 ** SunOS 4.1.1 headers lack FILENAME_MAX.
    128 */
    129 
    130 #ifndef FILENAME_MAX
    131 
    132 #ifndef MAXPATHLEN
    133 #ifdef unix
    134 #include "sys/param.h"
    135 #endif /* defined unix */
    136 #endif /* !defined MAXPATHLEN */
    137 
    138 #ifdef MAXPATHLEN
    139 #define FILENAME_MAX	MAXPATHLEN
    140 #endif /* defined MAXPATHLEN */
    141 #ifndef MAXPATHLEN
    142 #define FILENAME_MAX	1024		/* Pure guesswork */
    143 #endif /* !defined MAXPATHLEN */
    144 
    145 #endif /* !defined FILENAME_MAX */
    146 
    147 /*
    148 ** SunOS 4.1.1 libraries lack remove.
    149 */
    150 
    151 #ifndef remove
    152 extern int	unlink P((const char * filename));
    153 #define remove	unlink
    154 #endif /* !defined remove */
    155 
    156 /*
    157 ** Finally, some convenience items.
    158 */
    159 
    160 #ifndef TRUE
    161 #define TRUE	1
    162 #endif /* !defined TRUE */
    163 
    164 #ifndef FALSE
    165 #define FALSE	0
    166 #endif /* !defined FALSE */
    167 
    168 #ifndef TYPE_BIT
    169 #define TYPE_BIT(type)	(sizeof (type) * CHAR_BIT)
    170 #endif /* !defined TYPE_BIT */
    171 
    172 #ifndef TYPE_SIGNED
    173 #define TYPE_SIGNED(type) (((type) -1) < 0)
    174 #endif /* !defined TYPE_SIGNED */
    175 
    176 #ifndef INT_STRLEN_MAXIMUM
    177 /*
    178 ** 302 / 1000 is log10(2.0) rounded up.
    179 ** Subtract one for the sign bit if the type is signed;
    180 ** add one for integer division truncation;
    181 ** add one more for a minus sign if the type is signed.
    182 */
    183 #define INT_STRLEN_MAXIMUM(type) \
    184     ((TYPE_BIT(type) - TYPE_SIGNED(type)) * 302 / 100 + 1 + TYPE_SIGNED(type))
    185 #endif /* !defined INT_STRLEN_MAXIMUM */
    186 
    187 /*
    188 ** INITIALIZE(x)
    189 */
    190 
    191 #ifndef GNUC_or_lint
    192 #ifdef lint
    193 #define GNUC_or_lint
    194 #endif /* defined lint */
    195 #ifndef lint
    196 #ifdef __GNUC__
    197 #define GNUC_or_lint
    198 #endif /* defined __GNUC__ */
    199 #endif /* !defined lint */
    200 #endif /* !defined GNUC_or_lint */
    201 
    202 #ifndef INITIALIZE
    203 #ifdef GNUC_or_lint
    204 #define INITIALIZE(x)	((x) = 0)
    205 #endif /* defined GNUC_or_lint */
    206 #ifndef GNUC_or_lint
    207 #define INITIALIZE(x)
    208 #endif /* !defined GNUC_or_lint */
    209 #endif /* !defined INITIALIZE */
    210 
    211 /*
    212 ** UNIX was a registered trademark of UNIX System Laboratories in 1993.
    213 */
    214 
    215 #endif /* !defined PRIVATE_H */
    216