mirror of
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182 lines
4.0 KiB
C
182 lines
4.0 KiB
C
#ifndef PRIVATE_H
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#define PRIVATE_H
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/*
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** This file is in the public domain, so clarified as of
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** 1996-06-05 by Arthur David Olson (arthur_david_olson@nih.gov).
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*/
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/*
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* FreeBSD modifications: separate libc's privates from zic's.
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* This makes it easier when we need to update one but not the other.
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* I have removed all of the ifdef spaghetti which is not relevant to
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* zic from this file.
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*
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* $FreeBSD$
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*/
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/*
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** This header is for use ONLY with the time conversion code.
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** There is no guarantee that it will remain unchanged,
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** or that it will remain at all.
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** Do NOT copy it to any system include directory.
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** Thank you!
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*/
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/*
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** ID
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*/
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#ifndef lint
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#ifndef NOID
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static const char privatehid[] = "@(#)private.h 7.48";
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#endif /* !defined NOID */
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#endif /* !defined lint */
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/*
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** Defaults for preprocessor symbols.
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** You can override these in your C compiler options, e.g. `-DHAVE_ADJTIME=0'.
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*/
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#ifndef HAVE_GETTEXT
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#define HAVE_GETTEXT 0
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#endif /* !defined HAVE_GETTEXT */
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#ifndef HAVE_STRERROR
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#define HAVE_STRERROR 1
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#endif /* !defined HAVE_STRERROR */
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#ifndef HAVE_SYMLINK
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#define HAVE_SYMLINK 1
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#endif /* !defined HAVE_SYMLINK */
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#ifndef HAVE_UNISTD_H
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#define HAVE_UNISTD_H 1
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#endif /* !defined HAVE_UNISTD_H */
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/*
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** Nested includes
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*/
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#include "sys/types.h" /* for time_t */
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#include "stdio.h"
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#include "errno.h"
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#include "string.h"
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#include "limits.h" /* for CHAR_BIT */
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#include "time.h"
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#include "stdlib.h"
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#if HAVE_GETTEXT - 0
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#include "libintl.h"
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#endif /* HAVE_GETTEXT - 0 */
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#if HAVE_UNISTD_H - 0
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#include "unistd.h" /* for F_OK and R_OK */
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#endif /* HAVE_UNISTD_H - 0 */
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#if !(HAVE_UNISTD_H - 0)
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#ifndef F_OK
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#define F_OK 0
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#endif /* !defined F_OK */
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#ifndef R_OK
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#define R_OK 4
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#endif /* !defined R_OK */
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#endif /* !(HAVE_UNISTD_H - 0) */
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/* Unlike <ctype.h>'s isdigit, this also works if c < 0 | c > UCHAR_MAX. */
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#define is_digit(c) ((unsigned)(c) - '0' <= 9)
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#define P(x) x
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/*
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** Private function declarations.
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*/
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char * icalloc P((int nelem, int elsize));
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char * icatalloc P((char * old, const char * new));
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char * icpyalloc P((const char * string));
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char * imalloc P((int n));
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void * irealloc P((void * pointer, int size));
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void icfree P((char * pointer));
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void ifree P((char * pointer));
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char * scheck P((const char *string, const char *format));
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/*
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** Finally, some convenience items.
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*/
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#ifndef TRUE
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#define TRUE 1
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#endif /* !defined TRUE */
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#ifndef FALSE
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#define FALSE 0
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#endif /* !defined FALSE */
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#ifndef TYPE_BIT
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#define TYPE_BIT(type) (sizeof (type) * CHAR_BIT)
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#endif /* !defined TYPE_BIT */
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#ifndef TYPE_SIGNED
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#define TYPE_SIGNED(type) (((type) -1) < 0)
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#endif /* !defined TYPE_SIGNED */
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#ifndef INT_STRLEN_MAXIMUM
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/*
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** 302 / 1000 is log10(2.0) rounded up.
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** Subtract one for the sign bit if the type is signed;
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** add one for integer division truncation;
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** add one more for a minus sign if the type is signed.
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*/
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#define INT_STRLEN_MAXIMUM(type) \
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((TYPE_BIT(type) - TYPE_SIGNED(type)) * 302 / 1000 + 1 + TYPE_SIGNED(type))
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#endif /* !defined INT_STRLEN_MAXIMUM */
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/*
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** INITIALIZE(x)
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*/
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#ifndef GNUC_or_lint
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#ifdef lint
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#define GNUC_or_lint
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#endif /* defined lint */
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#ifndef lint
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#ifdef __GNUC__
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#define GNUC_or_lint
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#endif /* defined __GNUC__ */
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#endif /* !defined lint */
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#endif /* !defined GNUC_or_lint */
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#ifndef INITIALIZE
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#ifdef GNUC_or_lint
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#define INITIALIZE(x) ((x) = 0)
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#endif /* defined GNUC_or_lint */
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#ifndef GNUC_or_lint
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#define INITIALIZE(x)
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#endif /* !defined GNUC_or_lint */
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#endif /* !defined INITIALIZE */
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/*
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** For the benefit of GNU folk...
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** `_(MSGID)' uses the current locale's message library string for MSGID.
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** The default is to use gettext if available, and use MSGID otherwise.
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*/
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#ifndef _
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#if HAVE_GETTEXT - 0
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#define _(msgid) gettext(msgid)
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#else /* !(HAVE_GETTEXT - 0) */
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#define _(msgid) msgid
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#endif /* !(HAVE_GETTEXT - 0) */
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#endif /* !defined _ */
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#ifndef TZ_DOMAIN
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#define TZ_DOMAIN "tz"
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#endif /* !defined TZ_DOMAIN */
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/*
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** UNIX was a registered trademark of UNIX System Laboratories in 1993.
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*/
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#endif /* !defined PRIVATE_H */
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