#ifndef PRIVATE_H #define PRIVATE_H /* ** This file is in the public domain, so clarified as of ** 1996-06-05 by Arthur David Olson. */ /* ** 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! */ /* This string was in the Factory zone through version 2016f. */ #define GRANDPARENTED "Local time zone must be set--see zic manual page" /* ** Defaults for preprocessor symbols. ** You can override these in your C compiler options, e.g. '-DHAVE_GETTEXT=1'. */ #ifndef HAVE_DECL_ASCTIME_R #define HAVE_DECL_ASCTIME_R 1 #endif #ifndef HAVE_GETTEXT #define HAVE_GETTEXT 0 #endif /* !defined HAVE_GETTEXT */ #ifndef HAVE_INCOMPATIBLE_CTIME_R #define HAVE_INCOMPATIBLE_CTIME_R 0 #endif /* !defined INCOMPATIBLE_CTIME_R */ #ifndef HAVE_LINK #define HAVE_LINK 1 #endif /* !defined HAVE_LINK */ #ifndef HAVE_POSIX_DECLS #define HAVE_POSIX_DECLS 1 #endif #ifndef HAVE_STRDUP #define HAVE_STRDUP 1 #endif #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 */ #ifndef HAVE_UTMPX_H #define HAVE_UTMPX_H 1 #endif /* !defined HAVE_UTMPX_H */ #ifndef NETBSD_INSPIRED # define NETBSD_INSPIRED 1 #endif #if HAVE_INCOMPATIBLE_CTIME_R #define asctime_r _incompatible_asctime_r #define ctime_r _incompatible_ctime_r #endif /* HAVE_INCOMPATIBLE_CTIME_R */ /* Enable tm_gmtoff and tm_zone on GNUish systems. */ #define _GNU_SOURCE 1 /* Fix asctime_r on Solaris 11. */ #define _POSIX_PTHREAD_SEMANTICS 1 /* Enable strtoimax on pre-C99 Solaris 11. */ #define __EXTENSIONS__ 1 /* ** Nested includes */ /* Avoid clashes with NetBSD by renaming NetBSD's declarations. */ #define localtime_rz sys_localtime_rz #define mktime_z sys_mktime_z #define posix2time_z sys_posix2time_z #define time2posix_z sys_time2posix_z #define timezone_t sys_timezone_t #define tzalloc sys_tzalloc #define tzfree sys_tzfree #include <time.h> #undef localtime_rz #undef mktime_z #undef posix2time_z #undef time2posix_z #undef timezone_t #undef tzalloc #undef tzfree #include <sys/types.h> /* for time_t */ #include <stdio.h> #include <string.h> #include <limits.h> /* for CHAR_BIT et al. */ #include <stdlib.h> #include <errno.h> #ifndef ENAMETOOLONG # define ENAMETOOLONG EINVAL #endif #ifndef ENOTSUP # define ENOTSUP EINVAL #endif #ifndef EOVERFLOW # define EOVERFLOW EINVAL #endif #if HAVE_GETTEXT #include <libintl.h> #endif /* HAVE_GETTEXT */ #if HAVE_SYS_WAIT_H #include <sys/wait.h> /* for WIFEXITED and WEXITSTATUS */ #endif /* HAVE_SYS_WAIT_H */ #ifndef WIFEXITED #define WIFEXITED(status) (((status) & 0xff) == 0) #endif /* !defined WIFEXITED */ #ifndef WEXITSTATUS #define WEXITSTATUS(status) (((status) >> 8) & 0xff) #endif /* !defined WEXITSTATUS */ #if HAVE_UNISTD_H #include <unistd.h> /* for F_OK, R_OK, and other POSIX goodness */ #endif /* HAVE_UNISTD_H */ #ifndef HAVE_STRFTIME_L # if _POSIX_VERSION < 200809 # define HAVE_STRFTIME_L 0 # else # define HAVE_STRFTIME_L 1 # endif #endif #ifndef F_OK #define F_OK 0 #endif /* !defined F_OK */ #ifndef R_OK #define R_OK 4 #endif /* !defined R_OK */ /* Unlike <ctype.h>'s isdigit, this also works if c < 0 | c > UCHAR_MAX. */ #define is_digit(c) ((unsigned)(c) - '0' <= 9) /* ** Define HAVE_STDINT_H's default value here, rather than at the ** start, since __GLIBC__ and INTMAX_MAX's values depend on ** previously-included files. glibc 2.1 and Solaris 10 and later have ** stdint.h, even with pre-C99 compilers. */ #ifndef HAVE_STDINT_H #define HAVE_STDINT_H \ (199901 <= __STDC_VERSION__ \ || 2 < __GLIBC__ + (1 <= __GLIBC_MINOR__) \ || __CYGWIN__ || INTMAX_MAX) #endif /* !defined HAVE_STDINT_H */ #if HAVE_STDINT_H #include <stdint.h> #endif /* !HAVE_STDINT_H */ #ifndef HAVE_INTTYPES_H # define HAVE_INTTYPES_H HAVE_STDINT_H #endif #if HAVE_INTTYPES_H # include <inttypes.h> #endif /* Pre-C99 GCC compilers define __LONG_LONG_MAX__ instead of LLONG_MAX. */ #ifdef __LONG_LONG_MAX__ # ifndef LLONG_MAX # define LLONG_MAX __LONG_LONG_MAX__ # endif # ifndef LLONG_MIN # define LLONG_MIN (-1 - LLONG_MAX) # endif #endif #ifndef INT_FAST64_MAX # ifdef LLONG_MAX typedef long long int_fast64_t; # define INT_FAST64_MIN LLONG_MIN # define INT_FAST64_MAX LLONG_MAX # else # if LONG_MAX >> 31 < 0xffffffff Please use a compiler that supports a 64-bit integer type (or wider); you may need to compile with "-DHAVE_STDINT_H". # endif typedef long int_fast64_t; # define INT_FAST64_MIN LONG_MIN # define INT_FAST64_MAX LONG_MAX # endif #endif #ifndef PRIdFAST64 # if INT_FAST64_MAX == LLONG_MAX # define PRIdFAST64 "lld" # else # define PRIdFAST64 "ld" # endif #endif #ifndef SCNdFAST64 # define SCNdFAST64 PRIdFAST64 #endif #ifndef INT_FAST32_MAX # if INT_MAX >> 31 == 0 typedef long int_fast32_t; # define INT_FAST32_MAX LONG_MAX # define INT_FAST32_MIN LONG_MIN # else typedef int int_fast32_t; # define INT_FAST32_MAX INT_MAX # define INT_FAST32_MIN INT_MIN # endif #endif #ifndef INTMAX_MAX # ifdef LLONG_MAX typedef long long intmax_t; # define strtoimax strtoll # define INTMAX_MAX LLONG_MAX # define INTMAX_MIN LLONG_MIN # else typedef long intmax_t; # define strtoimax strtol # define INTMAX_MAX LONG_MAX # define INTMAX_MIN LONG_MIN # endif #endif #ifndef PRIdMAX # if INTMAX_MAX == LLONG_MAX # define PRIdMAX "lld" # else # define PRIdMAX "ld" # endif #endif #ifndef UINT_FAST64_MAX # if defined ULLONG_MAX || defined __LONG_LONG_MAX__ typedef unsigned long long uint_fast64_t; # else # if ULONG_MAX >> 31 >> 1 < 0xffffffff Please use a compiler that supports a 64-bit integer type (or wider); you may need to compile with "-DHAVE_STDINT_H". # endif typedef unsigned long uint_fast64_t; # endif #endif #ifndef UINTMAX_MAX # if defined ULLONG_MAX || defined __LONG_LONG_MAX__ typedef unsigned long long uintmax_t; # else typedef unsigned long uintmax_t; # endif #endif #ifndef PRIuMAX # if defined ULLONG_MAX || defined __LONG_LONG_MAX__ # define PRIuMAX "llu" # else # define PRIuMAX "lu" # endif #endif #ifndef INT32_MAX #define INT32_MAX 0x7fffffff #endif /* !defined INT32_MAX */ #ifndef INT32_MIN #define INT32_MIN (-1 - INT32_MAX) #endif /* !defined INT32_MIN */ #ifndef SIZE_MAX #define SIZE_MAX ((size_t) -1) #endif #if 2 < __GNUC__ + (96 <= __GNUC_MINOR__) # define ATTRIBUTE_CONST __attribute__ ((const)) # define ATTRIBUTE_PURE __attribute__ ((__pure__)) # define ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec)) #else # define ATTRIBUTE_CONST /* empty */ # define ATTRIBUTE_PURE /* empty */ # define ATTRIBUTE_FORMAT(spec) /* empty */ #endif #if !defined _Noreturn && __STDC_VERSION__ < 201112 # if 2 < __GNUC__ + (8 <= __GNUC_MINOR__) # define _Noreturn __attribute__ ((__noreturn__)) # else # define _Noreturn # endif #endif #if __STDC_VERSION__ < 199901 && !defined restrict # define restrict /* empty */ #endif /* ** Workarounds for compilers/systems. */ #ifndef EPOCH_LOCAL # define EPOCH_LOCAL 0 #endif #ifndef EPOCH_OFFSET # define EPOCH_OFFSET 0 #endif /* ** Compile with -Dtime_tz=T to build the tz package with a private ** time_t type equivalent to T rather than the system-supplied time_t. ** This debugging feature can test unusual design decisions ** (e.g., time_t wider than 'long', or unsigned time_t) even on ** typical platforms. */ #if defined time_tz || EPOCH_LOCAL || EPOCH_OFFSET != 0 # ifdef LOCALTIME_IMPLEMENTATION static time_t sys_time(time_t *x) { return time(x); } # endif typedef time_tz tz_time_t; # undef ctime # define ctime tz_ctime # undef ctime_r # define ctime_r tz_ctime_r # undef difftime # define difftime tz_difftime # undef gmtime # define gmtime tz_gmtime # undef gmtime_r # define gmtime_r tz_gmtime_r # undef localtime # define localtime tz_localtime # undef localtime_r # define localtime_r tz_localtime_r # undef localtime_rz # define localtime_rz tz_localtime_rz # undef mktime # define mktime tz_mktime # undef mktime_z # define mktime_z tz_mktime_z # undef offtime # define offtime tz_offtime # undef posix2time # define posix2time tz_posix2time # undef posix2time_z # define posix2time_z tz_posix2time_z # undef time # define time tz_time # undef time2posix # define time2posix tz_time2posix # undef time2posix_z # define time2posix_z tz_time2posix_z # undef time_t # define time_t tz_time_t # undef timegm # define timegm tz_timegm # undef timelocal # define timelocal tz_timelocal # undef timeoff # define timeoff tz_timeoff # undef tzalloc # define tzalloc tz_tzalloc # undef tzfree # define tzfree tz_tzfree # undef tzset # define tzset tz_tzset # undef tzsetwall # define tzsetwall tz_tzsetwall char *ctime(time_t const *); char *ctime_r(time_t const *, char *); double difftime(time_t, time_t); struct tm *gmtime(time_t const *); struct tm *gmtime_r(time_t const *restrict, struct tm *restrict); struct tm *localtime(time_t const *); struct tm *localtime_r(time_t const *restrict, struct tm *restrict); time_t mktime(struct tm *); time_t time(time_t *); void tzset(void); #endif #if !HAVE_DECL_ASCTIME_R && !defined asctime_r extern char *asctime_r(struct tm const *restrict, char *restrict); #endif #if !HAVE_POSIX_DECLS # ifdef USG_COMPAT # ifndef timezone extern long timezone; # endif # ifndef daylight extern int daylight; # endif # endif #endif #if defined ALTZONE && !defined altzone extern long altzone; #endif /* ** The STD_INSPIRED functions are similar, but most also need ** declarations if time_tz is defined. */ #ifdef STD_INSPIRED # if !defined tzsetwall || defined time_tz void tzsetwall(void); # endif # if !defined offtime || defined time_tz struct tm *offtime(time_t const *, long); # endif # if !defined timegm || defined time_tz time_t timegm(struct tm *); # endif # if !defined timelocal || defined time_tz time_t timelocal(struct tm *); # endif # if !defined timeoff || defined time_tz time_t timeoff(struct tm *, long); # endif # if !defined time2posix || defined time_tz time_t time2posix(time_t); # endif # if !defined posix2time || defined time_tz time_t posix2time(time_t); # endif #endif /* Infer TM_ZONE on systems where this information is known, but suppress guessing if NO_TM_ZONE is defined. Similarly for TM_GMTOFF. */ #if (defined __GLIBC__ \ || defined __FreeBSD__ || defined __NetBSD__ || defined __OpenBSD__ \ || (defined __APPLE__ && defined __MACH__)) # if !defined TM_GMTOFF && !defined NO_TM_GMTOFF # define TM_GMTOFF tm_gmtoff # endif # if !defined TM_ZONE && !defined NO_TM_ZONE # define TM_ZONE tm_zone # endif #endif /* ** Define functions that are ABI compatible with NetBSD but have ** better prototypes. NetBSD 6.1.4 defines a pointer type timezone_t ** and labors under the misconception that 'const timezone_t' is a ** pointer to a constant. This use of 'const' is ineffective, so it ** is not done here. What we call 'struct state' NetBSD calls ** 'struct __state', but this is a private name so it doesn't matter. */ #if NETBSD_INSPIRED typedef struct state *timezone_t; struct tm *localtime_rz(timezone_t restrict, time_t const *restrict, struct tm *restrict); time_t mktime_z(timezone_t restrict, struct tm *restrict); timezone_t tzalloc(char const *); void tzfree(timezone_t); # ifdef STD_INSPIRED # if !defined posix2time_z || defined time_tz time_t posix2time_z(timezone_t, time_t) ATTRIBUTE_PURE; # endif # if !defined time2posix_z || defined time_tz time_t time2posix_z(timezone_t, time_t) ATTRIBUTE_PURE; # endif # endif #endif /* ** Finally, some convenience items. */ #if __STDC_VERSION__ < 199901 # define true 1 # define false 0 # define bool int #else # include <stdbool.h> #endif #define TYPE_BIT(type) (sizeof (type) * CHAR_BIT) #define TYPE_SIGNED(type) (((type) -1) < 0) #define TWOS_COMPLEMENT(t) ((t) ~ (t) 0 < 0) /* 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. */ #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)) /* The minimum and maximum finite time values. This implementation assumes no padding if time_t is signed and either the compiler is pre-C11 or time_t is not one of the standard signed integer types. */ #if 201112 <= __STDC_VERSION__ static time_t const time_t_min = (TYPE_SIGNED(time_t) ? _Generic((time_t) 0, signed char: SCHAR_MIN, short: SHRT_MIN, int: INT_MIN, long: LONG_MIN, long long: LLONG_MIN, default: MINVAL(time_t, TYPE_BIT(time_t))) : 0); static time_t const time_t_max = (TYPE_SIGNED(time_t) ? _Generic((time_t) 0, signed char: SCHAR_MAX, short: SHRT_MAX, int: INT_MAX, long: LONG_MAX, long long: LLONG_MAX, default: MAXVAL(time_t, TYPE_BIT(time_t))) : -1); #else static time_t const time_t_min = MINVAL(time_t, TYPE_BIT(time_t)); static time_t const time_t_max = MAXVAL(time_t, TYPE_BIT(time_t)); #endif /* ** 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)) /* ** INITIALIZE(x) */ #ifdef lint # define INITIALIZE(x) ((x) = 0) #else # define INITIALIZE(x) #endif #ifndef UNINIT_TRAP # define UNINIT_TRAP 0 #endif /* ** 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. */ #if HAVE_GETTEXT #define _(msgid) gettext(msgid) #else /* !HAVE_GETTEXT */ #define _(msgid) msgid #endif /* !HAVE_GETTEXT */ #if !defined TZ_DOMAIN && defined HAVE_GETTEXT # define TZ_DOMAIN "tz" #endif #if HAVE_INCOMPATIBLE_CTIME_R #undef asctime_r #undef ctime_r char *asctime_r(struct tm const *, char *); char *ctime_r(time_t const *, char *); #endif /* HAVE_INCOMPATIBLE_CTIME_R */ /* Handy macros that are independent of tzfile implementation. */ #define YEARSPERREPEAT 400 /* years before a Gregorian repeat */ #define SECSPERMIN 60 #define MINSPERHOUR 60 #define HOURSPERDAY 24 #define DAYSPERWEEK 7 #define DAYSPERNYEAR 365 #define DAYSPERLYEAR 366 #define SECSPERHOUR (SECSPERMIN * MINSPERHOUR) #define SECSPERDAY ((int_fast32_t) SECSPERHOUR * HOURSPERDAY) #define MONSPERYEAR 12 #define TM_SUNDAY 0 #define TM_MONDAY 1 #define TM_TUESDAY 2 #define TM_WEDNESDAY 3 #define TM_THURSDAY 4 #define TM_FRIDAY 5 #define TM_SATURDAY 6 #define TM_JANUARY 0 #define TM_FEBRUARY 1 #define TM_MARCH 2 #define TM_APRIL 3 #define TM_MAY 4 #define TM_JUNE 5 #define TM_JULY 6 #define TM_AUGUST 7 #define TM_SEPTEMBER 8 #define TM_OCTOBER 9 #define TM_NOVEMBER 10 #define TM_DECEMBER 11 #define TM_YEAR_BASE 1900 #define EPOCH_YEAR 1970 #define EPOCH_WDAY TM_THURSDAY #define isleap(y) (((y) % 4) == 0 && (((y) % 100) != 0 || ((y) % 400) == 0)) /* ** Since everything in isleap is modulo 400 (or a factor of 400), we know that ** isleap(y) == isleap(y % 400) ** and so ** isleap(a + b) == isleap((a + b) % 400) ** or ** isleap(a + b) == isleap(a % 400 + b % 400) ** This is true even if % means modulo rather than Fortran remainder ** (which is allowed by C89 but not C99). ** We use this to avoid addition overflow problems. */ #define isleap_sum(a, b) isleap((a) % 400 + (b) % 400) /* ** The Gregorian year averages 365.2425 days, which is 31556952 seconds. */ #define AVGSECSPERYEAR 31556952L #define SECSPERREPEAT \ ((int_fast64_t) YEARSPERREPEAT * (int_fast64_t) AVGSECSPERYEAR) #define SECSPERREPEAT_BITS 34 /* ceil(log2(SECSPERREPEAT)) */ #endif /* !defined PRIVATE_H */