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private.h revision 1.1.1.8 
      1 #ifndef PRIVATE_H
      2 
      3 #define PRIVATE_H
      4 
      5 /*
      6 ** This file is in the public domain, so clarified as of
      7 ** 1996-06-05 by Arthur David Olson (arthur_david_olson (at) nih.gov).
      8 */
      9 
     10 /*
     11 ** This header is for use ONLY with the time conversion code.
     12 ** There is no guarantee that it will remain unchanged,
     13 ** or that it will remain at all.
     14 ** Do NOT copy it to any system include directory.
     15 ** Thank you!
     16 */
     17 
     18 /*
     19 ** ID
     20 */
     21 
     22 #ifndef lint
     23 #ifndef NOID
     24 static char	privatehid[] = "@(#)private.h	7.48";
     25 #endif /* !defined NOID */
     26 #endif /* !defined lint */
     27 
     28 /*
     29 ** Defaults for preprocessor symbols.
     30 ** You can override these in your C compiler options, e.g. `-DHAVE_ADJTIME=0'.
     31 */
     32 
     33 #ifndef HAVE_ADJTIME
     34 #define HAVE_ADJTIME		1
     35 #endif /* !defined HAVE_ADJTIME */
     36 
     37 #ifndef HAVE_GETTEXT
     38 #define HAVE_GETTEXT		0
     39 #endif /* !defined HAVE_GETTEXT */
     40 
     41 #ifndef HAVE_SETTIMEOFDAY
     42 #define HAVE_SETTIMEOFDAY	3
     43 #endif /* !defined HAVE_SETTIMEOFDAY */
     44 
     45 #ifndef HAVE_STRERROR
     46 #define HAVE_STRERROR		0
     47 #endif /* !defined HAVE_STRERROR */
     48 
     49 #ifndef HAVE_SYMLINK
     50 #define HAVE_SYMLINK		1
     51 #endif /* !defined HAVE_SYMLINK */
     52 
     53 #ifndef HAVE_UNISTD_H
     54 #define HAVE_UNISTD_H		1
     55 #endif /* !defined HAVE_UNISTD_H */
     56 
     57 #ifndef HAVE_UTMPX_H
     58 #define HAVE_UTMPX_H		0
     59 #endif /* !defined HAVE_UTMPX_H */
     60 
     61 #ifndef LOCALE_HOME
     62 #define LOCALE_HOME		"/usr/lib/locale"
     63 #endif /* !defined LOCALE_HOME */
     64 
     65 /*
     66 ** Nested includes
     67 */
     68 
     69 #include "sys/types.h"	/* for time_t */
     70 #include "stdio.h"
     71 #include "errno.h"
     72 #include "string.h"
     73 #include "limits.h"	/* for CHAR_BIT */
     74 #include "time.h"
     75 #include "stdlib.h"
     76 
     77 #if HAVE_GETTEXT - 0
     78 #include "libintl.h"
     79 #endif /* HAVE_GETTEXT - 0 */
     80 
     81 #if HAVE_UNISTD_H - 0
     82 #include "unistd.h"	/* for F_OK and R_OK */
     83 #endif /* HAVE_UNISTD_H - 0 */
     84 
     85 #if !(HAVE_UNISTD_H - 0)
     86 #ifndef F_OK
     87 #define F_OK	0
     88 #endif /* !defined F_OK */
     89 #ifndef R_OK
     90 #define R_OK	4
     91 #endif /* !defined R_OK */
     92 #endif /* !(HAVE_UNISTD_H - 0) */
     93 
     94 /* Unlike <ctype.h>'s isdigit, this also works if c < 0 | c > UCHAR_MAX.  */
     95 #define is_digit(c) ((unsigned)(c) - '0' <= 9)
     96 
     97 /*
     98 ** Workarounds for compilers/systems.
     99 */
    100 
    101 /*
    102 ** SunOS 4.1.1 cc lacks const.
    103 */
    104 
    105 #ifndef const
    106 #ifndef __STDC__
    107 #define const
    108 #endif /* !defined __STDC__ */
    109 #endif /* !defined const */
    110 
    111 /*
    112 ** SunOS 4.1.1 cc lacks prototypes.
    113 */
    114 
    115 #ifndef P
    116 #ifdef __STDC__
    117 #define P(x)	x
    118 #endif /* defined __STDC__ */
    119 #ifndef __STDC__
    120 #define P(x)	()
    121 #endif /* !defined __STDC__ */
    122 #endif /* !defined P */
    123 
    124 /*
    125 ** SunOS 4.1.1 headers lack EXIT_SUCCESS.
    126 */
    127 
    128 #ifndef EXIT_SUCCESS
    129 #define EXIT_SUCCESS	0
    130 #endif /* !defined EXIT_SUCCESS */
    131 
    132 /*
    133 ** SunOS 4.1.1 headers lack EXIT_FAILURE.
    134 */
    135 
    136 #ifndef EXIT_FAILURE
    137 #define EXIT_FAILURE	1
    138 #endif /* !defined EXIT_FAILURE */
    139 
    140 /*
    141 ** SunOS 4.1.1 headers lack FILENAME_MAX.
    142 */
    143 
    144 #ifndef FILENAME_MAX
    145 
    146 #ifndef MAXPATHLEN
    147 #ifdef unix
    148 #include "sys/param.h"
    149 #endif /* defined unix */
    150 #endif /* !defined MAXPATHLEN */
    151 
    152 #ifdef MAXPATHLEN
    153 #define FILENAME_MAX	MAXPATHLEN
    154 #endif /* defined MAXPATHLEN */
    155 #ifndef MAXPATHLEN
    156 #define FILENAME_MAX	1024		/* Pure guesswork */
    157 #endif /* !defined MAXPATHLEN */
    158 
    159 #endif /* !defined FILENAME_MAX */
    160 
    161 /*
    162 ** SunOS 4.1.1 libraries lack remove.
    163 */
    164 
    165 #ifndef remove
    166 extern int	unlink P((const char * filename));
    167 #define remove	unlink
    168 #endif /* !defined remove */
    169 
    170 /*
    171 ** Some ancient errno.h implementations don't declare errno.
    172 ** But some newer errno.h implementations define it as a macro.
    173 ** Fix the former without affecting the latter.
    174 */
    175 #ifndef errno
    176 extern int errno;
    177 #endif /* !defined errno */
    178 
    179 /*
    180 ** Private function declarations.
    181 */
    182 char *	icalloc P((int nelem, int elsize));
    183 char *	icatalloc P((char * old, const char * new));
    184 char *	icpyalloc P((const char * string));
    185 char *	imalloc P((int n));
    186 void *	irealloc P((void * pointer, int size));
    187 void	icfree P((char * pointer));
    188 void	ifree P((char * pointer));
    189 char *	scheck P((const char *string, const char *format));
    190 
    191 
    192 /*
    193 ** Finally, some convenience items.
    194 */
    195 
    196 #ifndef TRUE
    197 #define TRUE	1
    198 #endif /* !defined TRUE */
    199 
    200 #ifndef FALSE
    201 #define FALSE	0
    202 #endif /* !defined FALSE */
    203 
    204 #ifndef TYPE_BIT
    205 #define TYPE_BIT(type)	(sizeof (type) * CHAR_BIT)
    206 #endif /* !defined TYPE_BIT */
    207 
    208 #ifndef TYPE_SIGNED
    209 #define TYPE_SIGNED(type) (((type) -1) < 0)
    210 #endif /* !defined TYPE_SIGNED */
    211 
    212 #ifndef INT_STRLEN_MAXIMUM
    213 /*
    214 ** 302 / 1000 is log10(2.0) rounded up.
    215 ** Subtract one for the sign bit if the type is signed;
    216 ** add one for integer division truncation;
    217 ** add one more for a minus sign if the type is signed.
    218 */
    219 #define INT_STRLEN_MAXIMUM(type) \
    220     ((TYPE_BIT(type) - TYPE_SIGNED(type)) * 302 / 1000 + 1 + TYPE_SIGNED(type))
    221 #endif /* !defined INT_STRLEN_MAXIMUM */
    222 
    223 /*
    224 ** INITIALIZE(x)
    225 */
    226 
    227 #ifndef GNUC_or_lint
    228 #ifdef lint
    229 #define GNUC_or_lint
    230 #endif /* defined lint */
    231 #ifndef lint
    232 #ifdef __GNUC__
    233 #define GNUC_or_lint
    234 #endif /* defined __GNUC__ */
    235 #endif /* !defined lint */
    236 #endif /* !defined GNUC_or_lint */
    237 
    238 #ifndef INITIALIZE
    239 #ifdef GNUC_or_lint
    240 #define INITIALIZE(x)	((x) = 0)
    241 #endif /* defined GNUC_or_lint */
    242 #ifndef GNUC_or_lint
    243 #define INITIALIZE(x)
    244 #endif /* !defined GNUC_or_lint */
    245 #endif /* !defined INITIALIZE */
    246 
    247 /*
    248 ** For the benefit of GNU folk...
    249 ** `_(MSGID)' uses the current locale's message library string for MSGID.
    250 ** The default is to use gettext if available, and use MSGID otherwise.
    251 */
    252 
    253 #ifndef _
    254 #if HAVE_GETTEXT - 0
    255 #define _(msgid) gettext(msgid)
    256 #else /* !(HAVE_GETTEXT - 0) */
    257 #define _(msgid) msgid
    258 #endif /* !(HAVE_GETTEXT - 0) */
    259 #endif /* !defined _ */
    260 
    261 #ifndef TZ_DOMAIN
    262 #define TZ_DOMAIN "tz"
    263 #endif /* !defined TZ_DOMAIN */
    264 
    265 /*
    266 ** UNIX was a registered trademark of UNIX System Laboratories in 1993.
    267 */
    268 
    269 #endif /* !defined PRIVATE_H */
    270