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private.h revision 1.4 
      1 /*	$NetBSD: private.h,v 1.4 1996/01/08 22:50:57 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	7.35";
     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 LOCALE_HOME
     48 #define LOCALE_HOME		"/usr/lib/locale"
     49 #endif /* !defined LOCALE_HOME */
     50 
     51 /*
     52 ** Nested includes
     53 */
     54 
     55 #include "sys/types.h"	/* for time_t */
     56 #include "stdio.h"
     57 #include "errno.h"
     58 #include "string.h"
     59 #include "limits.h"	/* for CHAR_BIT */
     60 #include "time.h"
     61 #include "stdlib.h"
     62 
     63 #if HAVE_UNISTD_H - 0
     64 #include "unistd.h"	/* for F_OK and R_OK */
     65 #endif /* HAVE_UNISTD_H - 0 */
     66 
     67 #if !(HAVE_UNISTD_H - 0)
     68 #ifndef F_OK
     69 #define F_OK	0
     70 #endif /* !defined F_OK */
     71 #ifndef R_OK
     72 #define R_OK	4
     73 #endif /* !defined R_OK */
     74 #endif /* !(HAVE_UNISTD_H - 0) */
     75 
     76 /* Unlike <ctype.h>'s isdigit, this also works if c < 0 | c > UCHAR_MAX.  */
     77 #define is_digit(c) ((unsigned)(c) - '0' <= 9)
     78 
     79 /*
     80 ** Workarounds for compilers/systems.
     81 */
     82 
     83 /*
     84 ** SunOS 4.1.1 cc lacks const.
     85 */
     86 
     87 #ifndef const
     88 #ifndef __STDC__
     89 #define const
     90 #endif /* !defined __STDC__ */
     91 #endif /* !defined const */
     92 
     93 /*
     94 ** SunOS 4.1.1 cc lacks prototypes.
     95 */
     96 
     97 #ifndef P
     98 #ifdef __STDC__
     99 #define P(x)	x
    100 #endif /* defined __STDC__ */
    101 #ifndef __STDC__
    102 #define P(x)	()
    103 #endif /* !defined __STDC__ */
    104 #endif /* !defined P */
    105 
    106 /*
    107 ** SunOS 4.1.1 headers lack EXIT_SUCCESS.
    108 */
    109 
    110 #ifndef EXIT_SUCCESS
    111 #define EXIT_SUCCESS	0
    112 #endif /* !defined EXIT_SUCCESS */
    113 
    114 /*
    115 ** SunOS 4.1.1 headers lack EXIT_FAILURE.
    116 */
    117 
    118 #ifndef EXIT_FAILURE
    119 #define EXIT_FAILURE	1
    120 #endif /* !defined EXIT_FAILURE */
    121 
    122 /*
    123 ** SunOS 4.1.1 headers lack FILENAME_MAX.
    124 */
    125 
    126 #ifndef FILENAME_MAX
    127 
    128 #ifndef MAXPATHLEN
    129 #ifdef unix
    130 #include "sys/param.h"
    131 #endif /* defined unix */
    132 #endif /* !defined MAXPATHLEN */
    133 
    134 #ifdef MAXPATHLEN
    135 #define FILENAME_MAX	MAXPATHLEN
    136 #endif /* defined MAXPATHLEN */
    137 #ifndef MAXPATHLEN
    138 #define FILENAME_MAX	1024		/* Pure guesswork */
    139 #endif /* !defined MAXPATHLEN */
    140 
    141 #endif /* !defined FILENAME_MAX */
    142 
    143 /*
    144 ** SunOS 4.1.1 libraries lack remove.
    145 */
    146 
    147 #ifndef remove
    148 extern int	unlink P((const char * filename));
    149 #define remove	unlink
    150 #endif /* !defined remove */
    151 
    152 /*
    153 ** Finally, some convenience items.
    154 */
    155 
    156 #ifndef TRUE
    157 #define TRUE	1
    158 #endif /* !defined TRUE */
    159 
    160 #ifndef FALSE
    161 #define FALSE	0
    162 #endif /* !defined FALSE */
    163 
    164 #ifndef INT_STRLEN_MAXIMUM
    165 /*
    166 ** 302 / 1000 is log10(2.0) rounded up.
    167 ** If type is signed:
    168 **	subtract one for the sign bit;
    169 **	add one for integer division truncation;
    170 **	add one more for a minus sign.
    171 ** If type is unsigned:
    172 **	do not subtract one since there is no sign bit;
    173 **	add one for integer division truncation;
    174 **	do not add one more for a minus sign.
    175 */
    176 #define INT_STRLEN_MAXIMUM(type) \
    177 		((((type) -1) < 0) ? \
    178 			((sizeof(type) * CHAR_BIT - 1) * 302 / 1000 + 2) : \
    179 			((sizeof(type) * CHAR_BIT) * 302 / 1000 + 1))
    180 #endif /* !defined INT_STRLEN_MAXIMUM */
    181 
    182 /*
    183 ** INITIALIZE(x)
    184 */
    185 
    186 #ifndef GNUC_or_lint
    187 #ifdef lint
    188 #define GNUC_or_lint
    189 #endif /* defined lint */
    190 #ifndef lint
    191 #ifdef __GNUC__
    192 #define GNUC_or_lint
    193 #endif /* defined __GNUC__ */
    194 #endif /* !defined lint */
    195 #endif /* !defined GNUC_or_lint */
    196 
    197 #ifndef INITIALIZE
    198 #ifdef GNUC_or_lint
    199 #define INITIALIZE(x)	((x) = 0)
    200 #endif /* defined GNUC_or_lint */
    201 #ifndef GNUC_or_lint
    202 #define INITIALIZE(x)
    203 #endif /* !defined GNUC_or_lint */
    204 #endif /* !defined INITIALIZE */
    205 
    206 /*
    207 ** UNIX was a registered trademark of UNIX System Laboratories in 1993.
    208 */
    209 
    210 #endif /* !defined PRIVATE_H */
    211