michael@0: #ifndef PRIVATE_H
michael@0: 
michael@0: #define PRIVATE_H
michael@0: 
michael@0: /*
michael@0: ** This file is in the public domain, so clarified as of
michael@0: ** 1996-06-05 by Arthur David Olson.
michael@0: */
michael@0: 
michael@0: /*
michael@0: ** This header is for use ONLY with the time conversion code.
michael@0: ** There is no guarantee that it will remain unchanged,
michael@0: ** or that it will remain at all.
michael@0: ** Do NOT copy it to any system include directory.
michael@0: ** Thank you!
michael@0: */
michael@0: 
michael@0: /*
michael@0: ** ID
michael@0: */
michael@0: 
michael@0: #ifndef lint
michael@0: #ifndef NOID
michael@0: static char	privatehid[] = "@(#)private.h	8.6";
michael@0: #endif /* !defined NOID */
michael@0: #endif /* !defined lint */
michael@0: 
michael@0: #define GRANDPARENTED	"Local time zone must be set--see zic manual page"
michael@0: 
michael@0: /*
michael@0: ** Defaults for preprocessor symbols.
michael@0: ** You can override these in your C compiler options, e.g. `-DHAVE_ADJTIME=0'.
michael@0: */
michael@0: 
michael@0: #ifndef HAVE_ADJTIME
michael@0: #define HAVE_ADJTIME		1
michael@0: #endif /* !defined HAVE_ADJTIME */
michael@0: 
michael@0: #ifndef HAVE_GETTEXT
michael@0: #define HAVE_GETTEXT		0
michael@0: #endif /* !defined HAVE_GETTEXT */
michael@0: 
michael@0: #ifndef HAVE_INCOMPATIBLE_CTIME_R
michael@0: #define HAVE_INCOMPATIBLE_CTIME_R	0
michael@0: #endif /* !defined INCOMPATIBLE_CTIME_R */
michael@0: 
michael@0: #ifndef HAVE_SETTIMEOFDAY
michael@0: #define HAVE_SETTIMEOFDAY	3
michael@0: #endif /* !defined HAVE_SETTIMEOFDAY */
michael@0: 
michael@0: #ifndef HAVE_SYMLINK
michael@0: #define HAVE_SYMLINK		1
michael@0: #endif /* !defined HAVE_SYMLINK */
michael@0: 
michael@0: #ifndef HAVE_SYS_STAT_H
michael@0: #define HAVE_SYS_STAT_H		1
michael@0: #endif /* !defined HAVE_SYS_STAT_H */
michael@0: 
michael@0: #ifndef HAVE_SYS_WAIT_H
michael@0: #define HAVE_SYS_WAIT_H		1
michael@0: #endif /* !defined HAVE_SYS_WAIT_H */
michael@0: 
michael@0: #ifndef HAVE_UNISTD_H
michael@0: #define HAVE_UNISTD_H		1
michael@0: #endif /* !defined HAVE_UNISTD_H */
michael@0: 
michael@0: #ifndef HAVE_UTMPX_H
michael@0: #define HAVE_UTMPX_H		0
michael@0: #endif /* !defined HAVE_UTMPX_H */
michael@0: 
michael@0: #ifndef LOCALE_HOME
michael@0: #define LOCALE_HOME		"/usr/lib/locale"
michael@0: #endif /* !defined LOCALE_HOME */
michael@0: 
michael@0: #if HAVE_INCOMPATIBLE_CTIME_R
michael@0: #define asctime_r _incompatible_asctime_r
michael@0: #define ctime_r _incompatible_ctime_r
michael@0: #endif /* HAVE_INCOMPATIBLE_CTIME_R */
michael@0: 
michael@0: /*
michael@0: ** Nested includes
michael@0: */
michael@0: 
michael@0: #include "sys/types.h"	/* for time_t */
michael@0: #include "stdio.h"
michael@0: #include "errno.h"
michael@0: #include "string.h"
michael@0: #include "limits.h"	/* for CHAR_BIT et al. */
michael@0: #include "time.h"
michael@0: #include "stdlib.h"
michael@0: 
michael@0: #if HAVE_GETTEXT
michael@0: #include "libintl.h"
michael@0: #endif /* HAVE_GETTEXT */
michael@0: 
michael@0: #if HAVE_SYS_WAIT_H
michael@0: #include <sys/wait.h>	/* for WIFEXITED and WEXITSTATUS */
michael@0: #endif /* HAVE_SYS_WAIT_H */
michael@0: 
michael@0: #ifndef WIFEXITED
michael@0: #define WIFEXITED(status)	(((status) & 0xff) == 0)
michael@0: #endif /* !defined WIFEXITED */
michael@0: #ifndef WEXITSTATUS
michael@0: #define WEXITSTATUS(status)	(((status) >> 8) & 0xff)
michael@0: #endif /* !defined WEXITSTATUS */
michael@0: 
michael@0: #if HAVE_UNISTD_H
michael@0: #include "unistd.h"	/* for F_OK, R_OK, and other POSIX goodness */
michael@0: #endif /* HAVE_UNISTD_H */
michael@0: 
michael@0: #ifndef F_OK
michael@0: #define F_OK	0
michael@0: #endif /* !defined F_OK */
michael@0: #ifndef R_OK
michael@0: #define R_OK	4
michael@0: #endif /* !defined R_OK */
michael@0: 
michael@0: /* Unlike <ctype.h>'s isdigit, this also works if c < 0 | c > UCHAR_MAX. */
michael@0: #define is_digit(c) ((unsigned)(c) - '0' <= 9)
michael@0: 
michael@0: /*
michael@0: ** Define HAVE_STDINT_H's default value here, rather than at the
michael@0: ** start, since __GLIBC__'s value depends on previously-included
michael@0: ** files.
michael@0: ** (glibc 2.1 and later have stdint.h, even with pre-C99 compilers.)
michael@0: */
michael@0: #ifndef HAVE_STDINT_H
michael@0: #define HAVE_STDINT_H \
michael@0: 	(199901 <= __STDC_VERSION__ || \
michael@0: 	2 < (__GLIBC__ + (0 < __GLIBC_MINOR__)))
michael@0: #endif /* !defined HAVE_STDINT_H */
michael@0: 
michael@0: #if HAVE_STDINT_H
michael@0: #include "stdint.h"
michael@0: #endif /* !HAVE_STDINT_H */
michael@0: 
michael@0: #ifndef INT_FAST64_MAX
michael@0: /* Pre-C99 GCC compilers define __LONG_LONG_MAX__ instead of LLONG_MAX.  */
michael@0: #if defined LLONG_MAX || defined __LONG_LONG_MAX__
michael@0: typedef long long	int_fast64_t;
michael@0: #else /* ! (defined LLONG_MAX || defined __LONG_LONG_MAX__) */
michael@0: #if (LONG_MAX >> 31) < 0xffffffff
michael@0: Please use a compiler that supports a 64-bit integer type (or wider);
michael@0: you may need to compile with "-DHAVE_STDINT_H".
michael@0: #endif /* (LONG_MAX >> 31) < 0xffffffff */
michael@0: typedef long		int_fast64_t;
michael@0: #endif /* ! (defined LLONG_MAX || defined __LONG_LONG_MAX__) */
michael@0: #endif /* !defined INT_FAST64_MAX */
michael@0: 
michael@0: #ifndef INT32_MAX
michael@0: #define INT32_MAX 0x7fffffff
michael@0: #endif /* !defined INT32_MAX */
michael@0: #ifndef INT32_MIN
michael@0: #define INT32_MIN (-1 - INT32_MAX)
michael@0: #endif /* !defined INT32_MIN */
michael@0: 
michael@0: /*
michael@0: ** Workarounds for compilers/systems.
michael@0: */
michael@0: 
michael@0: /*
michael@0: ** Some time.h implementations don't declare asctime_r.
michael@0: ** Others might define it as a macro.
michael@0: ** Fix the former without affecting the latter.
michael@0: */
michael@0: 
michael@0: #ifndef asctime_r
michael@0: extern char *	asctime_r(struct tm const *, char *);
michael@0: #endif
michael@0: 
michael@0: /*
michael@0: ** Private function declarations.
michael@0: */
michael@0: 
michael@0: char *		icalloc(int nelem, int elsize);
michael@0: char *		icatalloc(char * old, const char * new);
michael@0: char *		icpyalloc(const char * string);
michael@0: char *		imalloc(int n);
michael@0: void *		irealloc(void * pointer, int size);
michael@0: void		icfree(char * pointer);
michael@0: void		ifree(char * pointer);
michael@0: const char *	scheck(const char * string, const char * format);
michael@0: 
michael@0: /*
michael@0: ** Finally, some convenience items.
michael@0: */
michael@0: 
michael@0: #ifndef TRUE
michael@0: #define TRUE	1
michael@0: #endif /* !defined TRUE */
michael@0: 
michael@0: #ifndef FALSE
michael@0: #define FALSE	0
michael@0: #endif /* !defined FALSE */
michael@0: 
michael@0: #ifndef TYPE_BIT
michael@0: #define TYPE_BIT(type)	(sizeof (type) * CHAR_BIT)
michael@0: #endif /* !defined TYPE_BIT */
michael@0: 
michael@0: #ifndef TYPE_SIGNED
michael@0: #define TYPE_SIGNED(type) (((type) -1) < 0)
michael@0: #endif /* !defined TYPE_SIGNED */
michael@0: 
michael@0: /*
michael@0: ** Since the definition of TYPE_INTEGRAL contains floating point numbers,
michael@0: ** it cannot be used in preprocessor directives.
michael@0: */
michael@0: 
michael@0: #ifndef TYPE_INTEGRAL
michael@0: #define TYPE_INTEGRAL(type) (((type) 0.5) != 0.5)
michael@0: #endif /* !defined TYPE_INTEGRAL */
michael@0: 
michael@0: #ifndef INT_STRLEN_MAXIMUM
michael@0: /*
michael@0: ** 302 / 1000 is log10(2.0) rounded up.
michael@0: ** Subtract one for the sign bit if the type is signed;
michael@0: ** add one for integer division truncation;
michael@0: ** add one more for a minus sign if the type is signed.
michael@0: */
michael@0: #define INT_STRLEN_MAXIMUM(type) \
michael@0: 	((TYPE_BIT(type) - TYPE_SIGNED(type)) * 302 / 1000 + \
michael@0: 	1 + TYPE_SIGNED(type))
michael@0: #endif /* !defined INT_STRLEN_MAXIMUM */
michael@0: 
michael@0: /*
michael@0: ** INITIALIZE(x)
michael@0: */
michael@0: 
michael@0: #ifndef GNUC_or_lint
michael@0: #ifdef lint
michael@0: #define GNUC_or_lint
michael@0: #endif /* defined lint */
michael@0: #ifndef lint
michael@0: #ifdef __GNUC__
michael@0: #define GNUC_or_lint
michael@0: #endif /* defined __GNUC__ */
michael@0: #endif /* !defined lint */
michael@0: #endif /* !defined GNUC_or_lint */
michael@0: 
michael@0: #ifndef INITIALIZE
michael@0: #ifdef GNUC_or_lint
michael@0: #define INITIALIZE(x)	((x) = 0)
michael@0: #endif /* defined GNUC_or_lint */
michael@0: #ifndef GNUC_or_lint
michael@0: #define INITIALIZE(x)
michael@0: #endif /* !defined GNUC_or_lint */
michael@0: #endif /* !defined INITIALIZE */
michael@0: 
michael@0: /*
michael@0: ** For the benefit of GNU folk...
michael@0: ** `_(MSGID)' uses the current locale's message library string for MSGID.
michael@0: ** The default is to use gettext if available, and use MSGID otherwise.
michael@0: */
michael@0: 
michael@0: #ifndef _
michael@0: #if HAVE_GETTEXT
michael@0: #define _(msgid) gettext(msgid)
michael@0: #else /* !HAVE_GETTEXT */
michael@0: #define _(msgid) msgid
michael@0: #endif /* !HAVE_GETTEXT */
michael@0: #endif /* !defined _ */
michael@0: 
michael@0: #ifndef TZ_DOMAIN
michael@0: #define TZ_DOMAIN "tz"
michael@0: #endif /* !defined TZ_DOMAIN */
michael@0: 
michael@0: #if HAVE_INCOMPATIBLE_CTIME_R
michael@0: #undef asctime_r
michael@0: #undef ctime_r
michael@0: char *asctime_r(struct tm const *, char *);
michael@0: char *ctime_r(time_t const *, char *);
michael@0: #endif /* HAVE_INCOMPATIBLE_CTIME_R */
michael@0: 
michael@0: #ifndef YEARSPERREPEAT
michael@0: #define YEARSPERREPEAT		400	/* years before a Gregorian repeat */
michael@0: #endif /* !defined YEARSPERREPEAT */
michael@0: 
michael@0: /*
michael@0: ** The Gregorian year averages 365.2425 days, which is 31556952 seconds.
michael@0: */
michael@0: 
michael@0: #ifndef AVGSECSPERYEAR
michael@0: #define AVGSECSPERYEAR		31556952L
michael@0: #endif /* !defined AVGSECSPERYEAR */
michael@0: 
michael@0: #ifndef SECSPERREPEAT
michael@0: #define SECSPERREPEAT		((int_fast64_t) YEARSPERREPEAT * (int_fast64_t) AVGSECSPERYEAR)
michael@0: #endif /* !defined SECSPERREPEAT */
michael@0: 
michael@0: #ifndef SECSPERREPEAT_BITS
michael@0: #define SECSPERREPEAT_BITS	34	/* ceil(log2(SECSPERREPEAT)) */
michael@0: #endif /* !defined SECSPERREPEAT_BITS */
michael@0: 
michael@0: /*
michael@0: ** UNIX was a registered trademark of The Open Group in 2003.
michael@0: */
michael@0: 
michael@0: #endif /* !defined PRIVATE_H */