#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).
*/

/*
** 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!
*/

#include <limits.h>	/* for CHAR_BIT */
#include <sys/wait.h>	/* for WIFEXITED and WEXITSTATUS */
#include <unistd.h>	/* for F_OK and R_OK */

#include "pgtime.h"


#ifndef WIFEXITED
#define WIFEXITED(status)	(((status) & 0xff) == 0)
#endif /* !defined WIFEXITED */
#ifndef WEXITSTATUS
#define WEXITSTATUS(status)	(((status) >> 8) & 0xff)
#endif /* !defined WEXITSTATUS */

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

/*
** SunOS 4.1.1 headers lack EXIT_SUCCESS.
*/

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

/*
** SunOS 4.1.1 headers lack EXIT_FAILURE.
*/

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

/*
** SunOS 4.1.1 libraries lack remove.
*/

#ifndef remove
extern int	unlink (const char * filename);
#define remove	unlink
#endif /* !defined remove */

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

#define _(msgid) (msgid)

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

#endif /* !defined PRIVATE_H */