diff options
Diffstat (limited to 'src/timezone/private.h')
| -rw-r--r-- | src/timezone/private.h | 76 |
1 files changed, 39 insertions, 37 deletions
diff --git a/src/timezone/private.h b/src/timezone/private.h index b1ac9edfcf8..8480d389612 100644 --- a/src/timezone/private.h +++ b/src/timezone/private.h @@ -25,6 +25,18 @@ #define GRANDPARENTED "Local time zone must be set--see zic manual page" +/* + * IANA has a bunch of HAVE_FOO #defines here, but in PG we want pretty + * much all of that to be done by PG's configure script. + */ + +#ifndef ENOTSUP +#define ENOTSUP EINVAL +#endif +#ifndef EOVERFLOW +#define EOVERFLOW EINVAL +#endif + #ifndef WIFEXITED #define WIFEXITED(status) (((status) & 0xff) == 0) #endif /* !defined WIFEXITED */ @@ -35,6 +47,10 @@ /* Unlike <ctype.h>'s isdigit, this also works if c < 0 | c > UCHAR_MAX. */ #define is_digit(c) ((unsigned)(c) - '0' <= 9) +#ifndef SIZE_MAX +#define SIZE_MAX ((size_t) -1) +#endif + /* * SunOS 4.1.1 libraries lack remove. */ @@ -45,31 +61,11 @@ 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 */ @@ -78,14 +74,18 @@ extern const char *scheck(const char *string, const char *format); #define TYPE_SIGNED(type) (((type) -1) < 0) #endif /* !defined TYPE_SIGNED */ +#define TWOS_COMPLEMENT(t) ((t) ~ (t) 0 < 0) + /* - * Since the definition of TYPE_INTEGRAL contains floating point numbers, - * it cannot be used in preprocessor directives. + * Max and min values of the integer type T, of which only the bottom + * B bits are used, and where the highest-order used bit is considered + * to be a sign bit if T is signed. */ - -#ifndef TYPE_INTEGRAL -#define TYPE_INTEGRAL(type) (((type) 0.5) != 0.5) -#endif /* !defined TYPE_INTEGRAL */ +#define MAXVAL(t, b) \ + ((t) (((t) 1 << ((b) - 1 - TYPE_SIGNED(t))) \ + - 1 + ((t) 1 << ((b) - 1 - TYPE_SIGNED(t))))) +#define MINVAL(t, b) \ + ((t) (TYPE_SIGNED(t) ? - TWOS_COMPLEMENT(t) - MAXVAL(t, b) : 0)) #ifndef INT_STRLEN_MAXIMUM /* @@ -95,34 +95,36 @@ extern const char *scheck(const char *string, const char *format); * 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)) + ((TYPE_BIT(type) - TYPE_SIGNED(type)) * 302 / 1000 + \ + 1 + TYPE_SIGNED(type)) #endif /* !defined INT_STRLEN_MAXIMUM */ +/* + * INITIALIZE(x) + */ +#define INITIALIZE(x) ((x) = 0) + #undef _ #define _(msgid) (msgid) #ifndef YEARSPERREPEAT -#define YEARSPERREPEAT 400 /* years before a Gregorian repeat */ +#define YEARSPERREPEAT 400 /* years before a Gregorian repeat */ #endif /* !defined YEARSPERREPEAT */ /* -** The Gregorian year averages 365.2425 days, which is 31556952 seconds. -*/ + * The Gregorian year averages 365.2425 days, which is 31556952 seconds. + */ #ifndef AVGSECSPERYEAR -#define AVGSECSPERYEAR 31556952L +#define AVGSECSPERYEAR 31556952L #endif /* !defined AVGSECSPERYEAR */ #ifndef SECSPERREPEAT -#define SECSPERREPEAT ((int64) YEARSPERREPEAT * (int64) AVGSECSPERYEAR) +#define SECSPERREPEAT ((int64) YEARSPERREPEAT * (int64) AVGSECSPERYEAR) #endif /* !defined SECSPERREPEAT */ #ifndef SECSPERREPEAT_BITS -#define SECSPERREPEAT_BITS 34 /* ceil(log2(SECSPERREPEAT)) */ +#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 */ |