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private.h revision 1.8 
      1 /*	$NetBSD: private.h,v 1.8 1997/06/18 01:12:48 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 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 static char	privatehid[] = "@(#)private.h	7.45";
     32 #endif /* !defined NOID */
     33 #endif /* !defined lint */
     34 
     35 /*
     36 ** Defaults for preprocessor symbols.
     37 ** You can override these in your C compiler options, e.g. `-DHAVE_ADJTIME=0'.
     38 */
     39 
     40 #ifndef HAVE_ADJTIME
     41 #define HAVE_ADJTIME		1
     42 #endif /* !defined HAVE_ADJTIME */
     43 
     44 #ifndef HAVE_GETTEXT
     45 #define HAVE_GETTEXT		0
     46 #endif /* !defined HAVE_GETTEXT */
     47 
     48 #ifndef HAVE_SETTIMEOFDAY
     49 #define HAVE_SETTIMEOFDAY	3
     50 #endif /* !defined HAVE_SETTIMEOFDAY */
     51 
     52 #ifndef HAVE_STRERROR
     53 #define HAVE_STRERROR		1
     54 #endif /* !defined HAVE_STRERROR */
     55 
     56 #ifndef HAVE_UNISTD_H
     57 #define HAVE_UNISTD_H		1
     58 #endif /* !defined HAVE_UNISTD_H */
     59 
     60 #ifndef HAVE_UTMPX_H
     61 #define HAVE_UTMPX_H		0
     62 #endif /* !defined HAVE_UTMPX_H */
     63 
     64 #ifndef LOCALE_HOME
     65 #define LOCALE_HOME		"/usr/lib/locale"
     66 #endif /* !defined LOCALE_HOME */
     67 
     68 /*
     69 ** Nested includes
     70 */
     71 
     72 #include "sys/types.h"	/* for time_t */
     73 #include "stdio.h"
     74 #include "errno.h"
     75 #include "string.h"
     76 #include "limits.h"	/* for CHAR_BIT */
     77 #include "time.h"
     78 #include "stdlib.h"
     79 
     80 #if HAVE_GETTEXT - 0
     81 #include "libintl.h"
     82 #endif /* HAVE_GETTEXT - 0 */
     83 
     84 #if HAVE_UNISTD_H - 0
     85 #include "unistd.h"	/* for F_OK and R_OK */
     86 #endif /* HAVE_UNISTD_H - 0 */
     87 
     88 #if !(HAVE_UNISTD_H - 0)
     89 #ifndef F_OK
     90 #define F_OK	0
     91 #endif /* !defined F_OK */
     92 #ifndef R_OK
     93 #define R_OK	4
     94 #endif /* !defined R_OK */
     95 #endif /* !(HAVE_UNISTD_H - 0) */
     96 
     97 /* Unlike <ctype.h>'s isdigit, this also works if c < 0 | c > UCHAR_MAX.  */
     98 #define is_digit(c) ((unsigned)(c) - '0' <= 9)
     99 
    100 /*
    101 ** Workarounds for compilers/systems.
    102 */
    103 
    104 /*
    105 ** SunOS 4.1.1 cc lacks const.
    106 */
    107 
    108 #ifndef const
    109 #ifndef __STDC__
    110 #define const
    111 #endif /* !defined __STDC__ */
    112 #endif /* !defined const */
    113 
    114 /*
    115 ** SunOS 4.1.1 cc lacks prototypes.
    116 */
    117 
    118 #ifndef P
    119 #ifdef __STDC__
    120 #define P(x)	x
    121 #endif /* defined __STDC__ */
    122 #ifndef __STDC__
    123 #define P(x)	()
    124 #endif /* !defined __STDC__ */
    125 #endif /* !defined P */
    126 
    127 /*
    128 ** SunOS 4.1.1 headers lack EXIT_SUCCESS.
    129 */
    130 
    131 #ifndef EXIT_SUCCESS
    132 #define EXIT_SUCCESS	0
    133 #endif /* !defined EXIT_SUCCESS */
    134 
    135 /*
    136 ** SunOS 4.1.1 headers lack EXIT_FAILURE.
    137 */
    138 
    139 #ifndef EXIT_FAILURE
    140 #define EXIT_FAILURE	1
    141 #endif /* !defined EXIT_FAILURE */
    142 
    143 /*
    144 ** SunOS 4.1.1 headers lack FILENAME_MAX.
    145 */
    146 
    147 #ifndef FILENAME_MAX
    148 
    149 #ifndef MAXPATHLEN
    150 #ifdef unix
    151 #include "sys/param.h"
    152 #endif /* defined unix */
    153 #endif /* !defined MAXPATHLEN */
    154 
    155 #ifdef MAXPATHLEN
    156 #define FILENAME_MAX	MAXPATHLEN
    157 #endif /* defined MAXPATHLEN */
    158 #ifndef MAXPATHLEN
    159 #define FILENAME_MAX	1024		/* Pure guesswork */
    160 #endif /* !defined MAXPATHLEN */
    161 
    162 #endif /* !defined FILENAME_MAX */
    163 
    164 /*
    165 ** SunOS 4.1.1 libraries lack remove.
    166 */
    167 
    168 #ifndef remove
    169 extern int	unlink P((const char * filename));
    170 #define remove	unlink
    171 #endif /* !defined remove */
    172 
    173 /*
    174 ** Some ancient errno.h implementations don't declare errno.
    175 ** But some newer errno.h implementations define it as a macro.
    176 ** Fix the former without affecting the latter.
    177 */
    178 #ifndef errno
    179 extern int errno;
    180 #endif /* !defined errno */
    181 
    182 /*
    183 ** Private function declarations.
    184 */
    185 char *	icalloc P((int nelem, int elsize));
    186 char *	icatalloc P((char * old, const char * new));
    187 char *	icpyalloc P((const char * string));
    188 char *	imalloc P((int n));
    189 void *	irealloc P((void * pointer, int size));
    190 void	icfree P((char * pointer));
    191 void	ifree P((char * pointer));
    192 char *  scheck P((const char *string, char *format));
    193 
    194 
    195 /*
    196 ** Finally, some convenience items.
    197 */
    198 
    199 #ifndef TRUE
    200 #define TRUE	1
    201 #endif /* !defined TRUE */
    202 
    203 #ifndef FALSE
    204 #define FALSE	0
    205 #endif /* !defined FALSE */
    206 
    207 #ifndef TYPE_BIT
    208 #define TYPE_BIT(type)	(sizeof (type) * CHAR_BIT)
    209 #endif /* !defined TYPE_BIT */
    210 
    211 #ifndef TYPE_SIGNED
    212 #define TYPE_SIGNED(type) (((type) -1) < 0)
    213 #endif /* !defined TYPE_SIGNED */
    214 
    215 #ifndef INT_STRLEN_MAXIMUM
    216 /*
    217 ** 302 / 1000 is log10(2.0) rounded up.
    218 ** Subtract one for the sign bit if the type is signed;
    219 ** add one for integer division truncation;
    220 ** add one more for a minus sign if the type is signed.
    221 */
    222 #define INT_STRLEN_MAXIMUM(type) \
    223     ((TYPE_BIT(type) - TYPE_SIGNED(type)) * 302 / 100 + 1 + TYPE_SIGNED(type))
    224 #endif /* !defined INT_STRLEN_MAXIMUM */
    225 
    226 /*
    227 ** INITIALIZE(x)
    228 */
    229 
    230 #ifndef GNUC_or_lint
    231 #ifdef lint
    232 #define GNUC_or_lint
    233 #endif /* defined lint */
    234 #ifndef lint
    235 #ifdef __GNUC__
    236 #define GNUC_or_lint
    237 #endif /* defined __GNUC__ */
    238 #endif /* !defined lint */
    239 #endif /* !defined GNUC_or_lint */
    240 
    241 #ifndef INITIALIZE
    242 #ifdef GNUC_or_lint
    243 #define INITIALIZE(x)	((x) = 0)
    244 #endif /* defined GNUC_or_lint */
    245 #ifndef GNUC_or_lint
    246 #define INITIALIZE(x)
    247 #endif /* !defined GNUC_or_lint */
    248 #endif /* !defined INITIALIZE */
    249 
    250 /*
    251 ** For the benefit of GNU folk...
    252 ** `_(MSGID)' uses the current locale's message library string for MSGID.
    253 ** The default is to use gettext if available, and use MSGID otherwise.
    254 */
    255 
    256 #ifndef _
    257 #if HAVE_GETTEXT - 0
    258 #define _(msgid) gettext(msgid)
    259 #else /* !(HAVE_GETTEXT - 0) */
    260 #define _(msgid) msgid
    261 #endif /* !(HAVE_GETTEXT - 0) */
    262 #endif /* !defined _ */
    263 
    264 #ifndef TZ_DOMAIN
    265 #define TZ_DOMAIN "tz"
    266 #endif /* !defined TZ_DOMAIN */
    267 
    268 /*
    269 ** UNIX was a registered trademark of UNIX System Laboratories in 1993.
    270 */
    271 
    272 #endif /* !defined PRIVATE_H */
    273