#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! */ #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_ADJTIME=0'. */ #ifndef HAVE_ADJTIME #define HAVE_ADJTIME 1 #endif /* !defined HAVE_ADJTIME */ #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_SETTIMEOFDAY #define HAVE_SETTIMEOFDAY 3 #endif /* !defined HAVE_SETTIMEOFDAY */ #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 0 #endif /* !defined HAVE_UTMPX_H */ #ifndef LOCALE_HOME #define LOCALE_HOME "/usr/lib/locale" #endif /* !defined LOCALE_HOME */ #if HAVE_INCOMPATIBLE_CTIME_R #define asctime_r _incompatible_asctime_r #define ctime_r _incompatible_ctime_r #endif /* HAVE_INCOMPATIBLE_CTIME_R */ /* ** Nested includes */ #include "sys/types.h" /* for time_t */ #include "stdio.h" #include "errno.h" #include "string.h" #include "limits.h" /* for CHAR_BIT et al. */ #include "time.h" #include "stdlib.h" #if HAVE_GETTEXT #include "libintl.h" #endif /* HAVE_GETTEXT */ #if HAVE_SYS_WAIT_H #include /* 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 F_OK #define F_OK 0 #endif /* !defined F_OK */ #ifndef R_OK #define R_OK 4 #endif /* !defined R_OK */ /* Unlike '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__'s value depends on previously-included ** files. ** (glibc 2.1 and later have stdint.h, even with pre-C99 compilers.) */ #ifndef HAVE_STDINT_H #define HAVE_STDINT_H \ (199901 <= __STDC_VERSION__ || \ 2 < (__GLIBC__ + (0 < __GLIBC_MINOR__))) #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 #endif #ifndef INT_FAST64_MAX /* Pre-C99 GCC compilers define __LONG_LONG_MAX__ instead of LLONG_MAX. */ #if defined LLONG_MAX || defined __LONG_LONG_MAX__ typedef long long int_fast64_t; # ifdef LLONG_MAX # define INT_FAST64_MIN LLONG_MIN # define INT_FAST64_MAX LLONG_MAX # else # define INT_FAST64_MIN __LONG_LONG_MIN__ # define INT_FAST64_MAX __LONG_LONG_MAX__ # endif # define SCNdFAST64 "lld" #else /* ! (defined LLONG_MAX || defined __LONG_LONG_MAX__) */ #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 /* (LONG_MAX >> 31) < 0xffffffff */ typedef long int_fast64_t; # define INT_FAST64_MIN LONG_MIN # define INT_FAST64_MAX LONG_MAX # define SCNdFAST64 "ld" #endif /* ! (defined LLONG_MAX || defined __LONG_LONG_MAX__) */ #endif /* !defined INT_FAST64_MAX */ #ifndef INT_FAST32_MAX # if INT_MAX >> 31 == 0 typedef long int_fast32_t; # else typedef int int_fast32_t; # endif #endif #ifndef INTMAX_MAX # if defined LLONG_MAX || defined __LONG_LONG_MAX__ typedef long long intmax_t; # define strtoimax strtoll # define PRIdMAX "lld" # ifdef LLONG_MAX # define INTMAX_MAX LLONG_MAX # define INTMAX_MIN LLONG_MIN # else # define INTMAX_MAX __LONG_LONG_MAX__ # define INTMAX_MIN __LONG_LONG_MIN__ # endif # else typedef long intmax_t; # define strtoimax strtol # define PRIdMAX "ld" # define INTMAX_MAX LONG_MAX # define INTMAX_MIN LONG_MIN # endif #endif #ifndef UINTMAX_MAX # if defined ULLONG_MAX || defined __LONG_LONG_MAX__ typedef unsigned long long uintmax_t; # define PRIuMAX "llu" # else typedef unsigned long uintmax_t; # 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 */ #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. */ /* ** Some time.h implementations don't declare asctime_r. ** Others might define it as a macro. ** Fix the former without affecting the latter. */ #ifndef asctime_r extern char * asctime_r(struct tm const *, char *); #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. */ #ifdef time_tz static time_t sys_time(time_t *x) { return time(x); } # 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 mktime # define mktime tz_mktime # undef time # define time tz_time # undef time_t # define time_t tz_time_t typedef time_tz time_t; 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 *); static time_t time(time_t *p) { time_t r = sys_time(0); if (p) *p = r; return r; } #endif /* ** Private function declarations. */ char * icatalloc(char * old, const char * new); char * icpyalloc(const char * string); 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 */ /* The minimum and maximum finite time values. */ static time_t const time_t_min = (TYPE_SIGNED(time_t) ? (time_t) -1 << (CHAR_BIT * sizeof (time_t) - 1) : 0); static time_t const time_t_max = (TYPE_SIGNED(time_t) ? - (~ 0 < 0) - ((time_t) -1 << (CHAR_BIT * sizeof (time_t) - 1)) : -1); #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 #define _(msgid) gettext(msgid) #else /* !HAVE_GETTEXT */ #define _(msgid) msgid #endif /* !HAVE_GETTEXT */ #endif /* !defined _ */ #ifndef TZ_DOMAIN #define TZ_DOMAIN "tz" #endif /* !defined TZ_DOMAIN */ #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 */ #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 ((int_fast64_t) YEARSPERREPEAT * (int_fast64_t) 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 */