[apple/system_cmds.git] / zic.tproj / private.h

#ifndef PRIVATE_H

#define PRIVATE_H

/*
** This file is in the public domain, so clarified as of
** 1996-06-05 by Arthur David Olson (arthur_david_olson@nih.gov).
*/

/*
 * FreeBSD modifications: separate libc's privates from zic's.
 * This makes it easier when we need to update one but not the other.
 * I have removed all of the ifdef spaghetti which is not relevant to
 * zic from this file.
 *
 * $FreeBSD: src/usr.sbin/zic/private.h,v 1.7 2004/06/20 21:41:11 stefanf Exp $
 */

/*
** This header is for use ONLY with the time conversion code.
** There is no guarantee that it will remain unchanged,
** or that it will remain at all.
** Do NOT copy it to any system include directory.
** Thank you!
*/

/*
** ID
*/

#ifndef lint
#ifndef NOID
static const char	privatehid[] = "@(#)private.h	7.53";
#endif /* !defined NOID */
#endif /* !defined lint */

/*
** Defaults for preprocessor symbols.
** You can override these in your C compiler options, e.g. `-DHAVE_ADJTIME=0'.
*/

#ifndef HAVE_GETTEXT
#define HAVE_GETTEXT		0
#endif /* !defined HAVE_GETTEXT */

#ifndef HAVE_STRERROR
#define HAVE_STRERROR		1
#endif /* !defined HAVE_STRERROR */

#ifndef HAVE_SYMLINK
#define HAVE_SYMLINK		1
#endif /* !defined HAVE_SYMLINK */

#ifndef HAVE_SYS_STAT_H
#define HAVE_SYS_STAT_H		1
#endif /* !defined HAVE_SYS_STAT_H */

#ifndef HAVE_SYS_WAIT_H
#define HAVE_SYS_WAIT_H		1
#endif /* !defined HAVE_SYS_WAIT_H */

#ifndef HAVE_UNISTD_H
#define HAVE_UNISTD_H		1
#endif /* !defined HAVE_UNISTD_H */

/*
** Nested includes
*/

#include "sys/types.h"	/* for time_t */
#include "stdio.h"
#include "errno.h"
#include "string.h"
#include "limits.h"	/* for CHAR_BIT */
#include "time.h"
#include "stdlib.h"

#if HAVE_GETTEXT - 0
#include "libintl.h"
#endif /* HAVE_GETTEXT - 0 */

#if HAVE_SYS_WAIT_H - 0
#include <sys/wait.h>	/* for WIFEXITED and WEXITSTATUS */
#endif /* HAVE_SYS_WAIT_H - 0 */

#if HAVE_UNISTD_H - 0
#include "unistd.h"	/* for F_OK and R_OK */
#endif /* HAVE_UNISTD_H - 0 */

#if !(HAVE_UNISTD_H - 0)
#ifndef F_OK
#define F_OK	0
#endif /* !defined F_OK */
#ifndef R_OK
#define R_OK	4
#endif /* !defined R_OK */
#endif /* !(HAVE_UNISTD_H - 0) */

/* Unlike <ctype.h>'s isdigit, this also works if c < 0 | c > UCHAR_MAX.  */
#define is_digit(c) ((unsigned)(c) - '0' <= 9)

#define P(x) x

/*
** Private function declarations.
*/
char *	icalloc P((int nelem, int elsize));
char *	icatalloc P((char * old, const char * new));
char *	icpyalloc P((const char * string));
char *	imalloc P((int n));
void *	irealloc P((void * pointer, int size));
void	icfree P((char * pointer));
void	ifree P((char * pointer));
char *	scheck P((const char *string, const char *format));

/*
** Finally, some convenience items.
*/

#ifndef TRUE
#define TRUE	1
#endif /* !defined TRUE */

#ifndef FALSE
#define FALSE	0
#endif /* !defined FALSE */

#ifndef TYPE_BIT
#define TYPE_BIT(type)	(sizeof (type) * CHAR_BIT)
#endif /* !defined TYPE_BIT */

#ifndef TYPE_SIGNED
#define TYPE_SIGNED(type) (((type) -1) < 0)
#endif /* !defined TYPE_SIGNED */

#ifndef INT_STRLEN_MAXIMUM
/*
** 302 / 1000 is log10(2.0) rounded up.
** Subtract one for the sign bit if the type is signed;
** add one for integer division truncation;
** add one more for a minus sign if the type is signed.
*/
#define INT_STRLEN_MAXIMUM(type) \
    ((TYPE_BIT(type) - TYPE_SIGNED(type)) * 302 / 1000 + 1 + TYPE_SIGNED(type))
#endif /* !defined INT_STRLEN_MAXIMUM */

/*
** INITIALIZE(x)
*/

#ifndef GNUC_or_lint
#ifdef lint
#define GNUC_or_lint
#endif /* defined lint */
#ifndef lint
#ifdef __GNUC__
#define GNUC_or_lint
#endif /* defined __GNUC__ */
#endif /* !defined lint */
#endif /* !defined GNUC_or_lint */

#ifndef INITIALIZE
#ifdef GNUC_or_lint
#define INITIALIZE(x)	((x) = 0)
#endif /* defined GNUC_or_lint */
#ifndef GNUC_or_lint
#define INITIALIZE(x)
#endif /* !defined GNUC_or_lint */
#endif /* !defined INITIALIZE */

/*
** For the benefit of GNU folk...
** `_(MSGID)' uses the current locale's message library string for MSGID.
** The default is to use gettext if available, and use MSGID otherwise.
*/

#ifndef _
#if HAVE_GETTEXT - 0
#define _(msgid) gettext(msgid)
#else /* !(HAVE_GETTEXT - 0) */
#define _(msgid) msgid
#endif /* !(HAVE_GETTEXT - 0) */
#endif /* !defined _ */

#ifndef TZ_DOMAIN
#define TZ_DOMAIN "tz"
#endif /* !defined TZ_DOMAIN */

/*
** UNIX was a registered trademark of The Open Group in 2003.
*/

#endif /* !defined PRIVATE_H */
Commit	Line	Data
1815bff5 A	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@nih.gov).
	8	*/
	9
2fc1e207 A	10	/*
	11	* FreeBSD modifications: separate libc's privates from zic's.
	12	* This makes it easier when we need to update one but not the other.
	13	* I have removed all of the ifdef spaghetti which is not relevant to
	14	* zic from this file.
	15	*
	16	* $FreeBSD: src/usr.sbin/zic/private.h,v 1.7 2004/06/20 21:41:11 stefanf Exp $
	17	*/
1815bff5 A	18
	19	/*
	20	** This header is for use ONLY with the time conversion code.
	21	** There is no guarantee that it will remain unchanged,
	22	** or that it will remain at all.
	23	** Do NOT copy it to any system include directory.
	24	** Thank you!
	25	*/
	26
	27	/*
	28	** ID
	29	*/
	30
1815bff5 A	31	#ifndef lint
1815bff5 A	32	#ifndef NOID
2fc1e207	33	static const char privatehid[] = "@(#)private.h 7.53";
1815bff5 A	34	#endif /* !defined NOID */
1815bff5 A	35	#endif /* !defined lint */
1815bff5 A	36
	37	/*
	38	** Defaults for preprocessor symbols.
	39	** You can override these in your C compiler options, e.g. `-DHAVE_ADJTIME=0'.
	40	*/
	41
1815bff5 A	42	#ifndef HAVE_GETTEXT
	43	#define HAVE_GETTEXT 0
	44	#endif /* !defined HAVE_GETTEXT */
	45
1815bff5	46	#ifndef HAVE_STRERROR
2fc1e207	47	#define HAVE_STRERROR 1
1815bff5 A	48	#endif /* !defined HAVE_STRERROR */
1815bff5 A	49
2fc1e207 A	50	#ifndef HAVE_SYMLINK
	51	#define HAVE_SYMLINK 1
	52	#endif /* !defined HAVE_SYMLINK */
	53
	54	#ifndef HAVE_SYS_STAT_H
	55	#define HAVE_SYS_STAT_H 1
	56	#endif /* !defined HAVE_SYS_STAT_H */
	57
	58	#ifndef HAVE_SYS_WAIT_H
	59	#define HAVE_SYS_WAIT_H 1
	60	#endif /* !defined HAVE_SYS_WAIT_H */
	61
1815bff5 A	62	#ifndef HAVE_UNISTD_H
	63	#define HAVE_UNISTD_H 1
	64	#endif /* !defined HAVE_UNISTD_H */
	65
1815bff5 A	66	/*
	67	** Nested includes
	68	*/
	69
	70	#include "sys/types.h" /* for time_t */
	71	#include "stdio.h"
	72	#include "errno.h"
	73	#include "string.h"
	74	#include "limits.h" /* for CHAR_BIT */
	75	#include "time.h"
	76	#include "stdlib.h"
	77
	78	#if HAVE_GETTEXT - 0
	79	#include "libintl.h"
	80	#endif /* HAVE_GETTEXT - 0 */
	81
2fc1e207 A	82	#if HAVE_SYS_WAIT_H - 0
	83	#include <sys/wait.h> /* for WIFEXITED and WEXITSTATUS */
	84	#endif /* HAVE_SYS_WAIT_H - 0 */
	85
1815bff5 A	86	#if HAVE_UNISTD_H - 0
	87	#include "unistd.h" /* for F_OK and R_OK */
	88	#endif /* HAVE_UNISTD_H - 0 */
	89
	90	#if !(HAVE_UNISTD_H - 0)
	91	#ifndef F_OK
	92	#define F_OK 0
	93	#endif /* !defined F_OK */
	94	#ifndef R_OK
	95	#define R_OK 4
	96	#endif /* !defined R_OK */
	97	#endif /* !(HAVE_UNISTD_H - 0) */
	98
	99	/* Unlike <ctype.h>'s isdigit, this also works if c < 0 \| c > UCHAR_MAX. */
	100	#define is_digit(c) ((unsigned)(c) - '0' <= 9)
	101
2fc1e207	102	#define P(x) x
1815bff5	103
1815bff5	104	/*
2fc1e207	105	** Private function declarations.
1815bff5	106	*/
2fc1e207 A	107	char * icalloc P((int nelem, int elsize));
	108	char * icatalloc P((char * old, const char * new));
	109	char * icpyalloc P((const char * string));
	110	char * imalloc P((int n));
	111	void * irealloc P((void * pointer, int size));
	112	void icfree P((char * pointer));
	113	void ifree P((char * pointer));
	114	char * scheck P((const char string, const char format));
1815bff5 A	115
	116	/*
	117	** Finally, some convenience items.
	118	*/
	119
	120	#ifndef TRUE
	121	#define TRUE 1
	122	#endif /* !defined TRUE */
	123
	124	#ifndef FALSE
	125	#define FALSE 0
	126	#endif /* !defined FALSE */
	127
	128	#ifndef TYPE_BIT
	129	#define TYPE_BIT(type) (sizeof (type) * CHAR_BIT)
	130	#endif /* !defined TYPE_BIT */
	131
	132	#ifndef TYPE_SIGNED
	133	#define TYPE_SIGNED(type) (((type) -1) < 0)
	134	#endif /* !defined TYPE_SIGNED */
	135
	136	#ifndef INT_STRLEN_MAXIMUM
	137	/*
	138	** 302 / 1000 is log10(2.0) rounded up.
	139	** Subtract one for the sign bit if the type is signed;
	140	** add one for integer division truncation;
	141	** add one more for a minus sign if the type is signed.
	142	*/
	143	#define INT_STRLEN_MAXIMUM(type) \
2fc1e207	144	((TYPE_BIT(type) - TYPE_SIGNED(type)) * 302 / 1000 + 1 + TYPE_SIGNED(type))
1815bff5 A	145	#endif /* !defined INT_STRLEN_MAXIMUM */
	146
	147	/*
	148	** INITIALIZE(x)
	149	*/
	150
	151	#ifndef GNUC_or_lint
	152	#ifdef lint
	153	#define GNUC_or_lint
	154	#endif /* defined lint */
	155	#ifndef lint
	156	#ifdef __GNUC__
	157	#define GNUC_or_lint
	158	#endif /* defined __GNUC__ */
	159	#endif /* !defined lint */
	160	#endif /* !defined GNUC_or_lint */
	161
	162	#ifndef INITIALIZE
	163	#ifdef GNUC_or_lint
	164	#define INITIALIZE(x) ((x) = 0)
	165	#endif /* defined GNUC_or_lint */
	166	#ifndef GNUC_or_lint
	167	#define INITIALIZE(x)
	168	#endif /* !defined GNUC_or_lint */
	169	#endif /* !defined INITIALIZE */
	170
	171	/*
	172	** For the benefit of GNU folk...
	173	** `_(MSGID)' uses the current locale's message library string for MSGID.
	174	** The default is to use gettext if available, and use MSGID otherwise.
	175	*/
	176
	177	#ifndef _
	178	#if HAVE_GETTEXT - 0
	179	#define _(msgid) gettext(msgid)
	180	#else /* !(HAVE_GETTEXT - 0) */
	181	#define _(msgid) msgid
	182	#endif /* !(HAVE_GETTEXT - 0) */
	183	#endif /* !defined _ */
	184
	185	#ifndef TZ_DOMAIN
	186	#define TZ_DOMAIN "tz"
	187	#endif /* !defined TZ_DOMAIN */
	188
	189	/*
2fc1e207	190	** UNIX was a registered trademark of The Open Group in 2003.
1815bff5 A	191	*/
	192
	193	#endif /* !defined PRIVATE_H */