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private.h revision 1.13 
      1 /*	$NetBSD: private.h,v 1.13 1998/10/04 19:27:55 kleink 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 file is in the public domain, so clarified as of
     14 ** 1996-06-05 by Arthur David Olson (arthur_david_olson (at) nih.gov).
     15 */
     16 
     17 /*
     18 ** This header is for use ONLY with the time conversion code.
     19 ** There is no guarantee that it will remain unchanged,
     20 ** or that it will remain at all.
     21 ** Do NOT copy it to any system include directory.
     22 ** Thank you!
     23 */
     24 
     25 /*
     26 ** ID
     27 */
     28 
     29 #ifndef lint
     30 #ifndef NOID
     31 #if 0
     32 static char	privatehid[] = "@(#)private.h	7.48";
     33 #endif
     34 #endif /* !defined NOID */
     35 #endif /* !defined lint */
     36 
     37 /*
     38 ** Defaults for preprocessor symbols.
     39 ** You can override these in your C compiler options, e.g. `-DHAVE_ADJTIME=0'.
     40 */
     41 
     42 #ifndef HAVE_ADJTIME
     43 #define HAVE_ADJTIME		1
     44 #endif /* !defined HAVE_ADJTIME */
     45 
     46 #ifndef HAVE_GETTEXT
     47 #define HAVE_GETTEXT		0
     48 #endif /* !defined HAVE_GETTEXT */
     49 
     50 #ifndef HAVE_SETTIMEOFDAY
     51 #define HAVE_SETTIMEOFDAY	3
     52 #endif /* !defined HAVE_SETTIMEOFDAY */
     53 
     54 #ifndef HAVE_STRERROR
     55 #define HAVE_STRERROR		1
     56 #endif /* !defined HAVE_STRERROR */
     57 
     58 #ifndef HAVE_SYMLINK
     59 #define HAVE_SYMLINK		1
     60 #endif /* !defined HAVE_SYMLINK */
     61 
     62 #ifndef HAVE_UNISTD_H
     63 #define HAVE_UNISTD_H		1
     64 #endif /* !defined HAVE_UNISTD_H */
     65 
     66 #ifndef HAVE_UTMPX_H
     67 #define HAVE_UTMPX_H		0
     68 #endif /* !defined HAVE_UTMPX_H */
     69 
     70 #ifndef LOCALE_HOME
     71 #define LOCALE_HOME		"/usr/lib/locale"
     72 #endif /* !defined LOCALE_HOME */
     73 
     74 /*
     75 ** Nested includes
     76 */
     77 
     78 #include "sys/types.h"	/* for time_t */
     79 #include "stdio.h"
     80 #include "errno.h"
     81 #include "string.h"
     82 #include "limits.h"	/* for CHAR_BIT */
     83 #include "time.h"
     84 #include "stdlib.h"
     85 
     86 #if HAVE_GETTEXT - 0
     87 #include "libintl.h"
     88 #endif /* HAVE_GETTEXT - 0 */
     89 
     90 #if HAVE_UNISTD_H - 0
     91 #include "unistd.h"	/* for F_OK and R_OK */
     92 #endif /* HAVE_UNISTD_H - 0 */
     93 
     94 #if !(HAVE_UNISTD_H - 0)
     95 #ifndef F_OK
     96 #define F_OK	0
     97 #endif /* !defined F_OK */
     98 #ifndef R_OK
     99 #define R_OK	4
    100 #endif /* !defined R_OK */
    101 #endif /* !(HAVE_UNISTD_H - 0) */
    102 
    103 /* Unlike <ctype.h>'s isdigit, this also works if c < 0 | c > UCHAR_MAX.  */
    104 #define is_digit(c) ((unsigned)(c) - '0' <= 9)
    105 
    106 /*
    107 ** Workarounds for compilers/systems.
    108 */
    109 
    110 /*
    111 ** SunOS 4.1.1 cc lacks const.
    112 */
    113 
    114 #ifndef const
    115 #ifndef __STDC__
    116 #define const
    117 #endif /* !defined __STDC__ */
    118 #endif /* !defined const */
    119 
    120 /*
    121 ** SunOS 4.1.1 cc lacks prototypes.
    122 */
    123 
    124 #ifndef P
    125 #ifdef __STDC__
    126 #define P(x)	x
    127 #endif /* defined __STDC__ */
    128 #ifndef __STDC__
    129 #define P(x)	()
    130 #endif /* !defined __STDC__ */
    131 #endif /* !defined P */
    132 
    133 /*
    134 ** SunOS 4.1.1 headers lack EXIT_SUCCESS.
    135 */
    136 
    137 #ifndef EXIT_SUCCESS
    138 #define EXIT_SUCCESS	0
    139 #endif /* !defined EXIT_SUCCESS */
    140 
    141 /*
    142 ** SunOS 4.1.1 headers lack EXIT_FAILURE.
    143 */
    144 
    145 #ifndef EXIT_FAILURE
    146 #define EXIT_FAILURE	1
    147 #endif /* !defined EXIT_FAILURE */
    148 
    149 /*
    150 ** SunOS 4.1.1 headers lack FILENAME_MAX.
    151 */
    152 
    153 #ifndef FILENAME_MAX
    154 
    155 #ifndef MAXPATHLEN
    156 #ifdef unix
    157 #include "sys/param.h"
    158 #endif /* defined unix */
    159 #endif /* !defined MAXPATHLEN */
    160 
    161 #ifdef MAXPATHLEN
    162 #define FILENAME_MAX	MAXPATHLEN
    163 #endif /* defined MAXPATHLEN */
    164 #ifndef MAXPATHLEN
    165 #define FILENAME_MAX	1024		/* Pure guesswork */
    166 #endif /* !defined MAXPATHLEN */
    167 
    168 #endif /* !defined FILENAME_MAX */
    169 
    170 /*
    171 ** SunOS 4.1.1 libraries lack remove.
    172 */
    173 
    174 #ifndef remove
    175 extern int	unlink P((const char * filename));
    176 #define remove	unlink
    177 #endif /* !defined remove */
    178 
    179 /*
    180 ** Some ancient errno.h implementations don't declare errno.
    181 ** But some newer errno.h implementations define it as a macro.
    182 ** Fix the former without affecting the latter.
    183 */
    184 #ifndef errno
    185 extern int errno;
    186 #endif /* !defined errno */
    187 
    188 /*
    189 ** Private function declarations.
    190 */
    191 char *	icalloc P((int nelem, int elsize));
    192 char *	icatalloc P((char * old, const char * new));
    193 char *	icpyalloc P((const char * string));
    194 char *	imalloc P((int n));
    195 void *	irealloc P((void * pointer, int size));
    196 void	icfree P((char * pointer));
    197 void	ifree P((char * pointer));
    198 char *	scheck P((const char *string, const char *format));
    199 
    200 
    201 /*
    202 ** Finally, some convenience items.
    203 */
    204 
    205 #ifndef TRUE
    206 #define TRUE	1
    207 #endif /* !defined TRUE */
    208 
    209 #ifndef FALSE
    210 #define FALSE	0
    211 #endif /* !defined FALSE */
    212 
    213 #ifndef TYPE_BIT
    214 #define TYPE_BIT(type)	(sizeof (type) * CHAR_BIT)
    215 #endif /* !defined TYPE_BIT */
    216 
    217 #ifndef TYPE_SIGNED
    218 #define TYPE_SIGNED(type) (((type) -1) < 0)
    219 #endif /* !defined TYPE_SIGNED */
    220 
    221 #ifndef INT_STRLEN_MAXIMUM
    222 /*
    223 ** 302 / 1000 is log10(2.0) rounded up.
    224 ** Subtract one for the sign bit if the type is signed;
    225 ** add one for integer division truncation;
    226 ** add one more for a minus sign if the type is signed.
    227 */
    228 #define INT_STRLEN_MAXIMUM(type) \
    229     ((TYPE_BIT(type) - TYPE_SIGNED(type)) * 302 / 1000 + 1 + TYPE_SIGNED(type))
    230 #endif /* !defined INT_STRLEN_MAXIMUM */
    231 
    232 /*
    233 ** INITIALIZE(x)
    234 */
    235 
    236 #ifndef GNUC_or_lint
    237 #ifdef lint
    238 #define GNUC_or_lint
    239 #endif /* defined lint */
    240 #ifndef lint
    241 #ifdef __GNUC__
    242 #define GNUC_or_lint
    243 #endif /* defined __GNUC__ */
    244 #endif /* !defined lint */
    245 #endif /* !defined GNUC_or_lint */
    246 
    247 #ifndef INITIALIZE
    248 #ifdef GNUC_or_lint
    249 #define INITIALIZE(x)	((x) = 0)
    250 #endif /* defined GNUC_or_lint */
    251 #ifndef GNUC_or_lint
    252 #define INITIALIZE(x)
    253 #endif /* !defined GNUC_or_lint */
    254 #endif /* !defined INITIALIZE */
    255 
    256 /*
    257 ** For the benefit of GNU folk...
    258 ** `_(MSGID)' uses the current locale's message library string for MSGID.
    259 ** The default is to use gettext if available, and use MSGID otherwise.
    260 */
    261 
    262 #ifndef _
    263 #if HAVE_GETTEXT - 0
    264 #define _(msgid) gettext(msgid)
    265 #else /* !(HAVE_GETTEXT - 0) */
    266 #define _(msgid) msgid
    267 #endif /* !(HAVE_GETTEXT - 0) */
    268 #endif /* !defined _ */
    269 
    270 #ifndef TZ_DOMAIN
    271 #define TZ_DOMAIN "tz"
    272 #endif /* !defined TZ_DOMAIN */
    273 
    274 /*
    275 ** UNIX was a registered trademark of UNIX System Laboratories in 1993.
    276 */
    277 
    278 #endif /* !defined PRIVATE_H */
    279