| #ifndef PRIVATE_H |
| #define PRIVATE_H |
| |
| /* |
| * This file is in the public domain, so clarified as of |
| * 1996-06-05 by Arthur David Olson. |
| * |
| * IDENTIFICATION |
| * src/timezone/private.h |
| */ |
| |
| /* |
| * 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 et al. */ |
| #include <sys/wait.h> /* for WIFEXITED and WEXITSTATUS */ |
| #include <unistd.h> /* for F_OK and R_OK */ |
| |
| #include "pgtime.h" |
| |
| #define GRANDPARENTED "Local time zone must be set--see zic manual page" |
| |
| #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 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 const 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 */ |
| |
| /* |
| * Since the definition of TYPE_INTEGRAL contains floating point numbers, |
| * it cannot be used in preprocessor directives. |
| */ |
| |
| #ifndef TYPE_INTEGRAL |
| #define TYPE_INTEGRAL(type) (((type) 0.5) != 0.5) |
| #endif /* !defined TYPE_INTEGRAL */ |
| |
| #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 */ |
| |
| #undef _ |
| #define _(msgid) (msgid) |
| |
| #ifndef YEARSPERREPEAT |
| #define YEARSPERREPEAT 400 /* years before a Gregorian repeat */ |
| #endif /* !defined YEARSPERREPEAT */ |
| |
| /* |
| ** The Gregorian year averages 365.2425 days, which is 31556952 seconds. |
| */ |
| |
| #ifndef AVGSECSPERYEAR |
| #define AVGSECSPERYEAR 31556952L |
| #endif /* !defined AVGSECSPERYEAR */ |
| |
| #ifndef SECSPERREPEAT |
| #define SECSPERREPEAT ((int64) YEARSPERREPEAT * (int64) AVGSECSPERYEAR) |
| #endif /* !defined SECSPERREPEAT */ |
| |
| #ifndef SECSPERREPEAT_BITS |
| #define SECSPERREPEAT_BITS 34 /* ceil(log2(SECSPERREPEAT)) */ |
| #endif /* !defined SECSPERREPEAT_BITS */ |
| |
| /* |
| * UNIX was a registered trademark of The Open Group in 2003. |
| */ |
| |
| #endif /* !defined PRIVATE_H */ |