1#ifndef PRIVATE_H 2 3#define PRIVATE_H 4 5/* 6** This file is in the public domain, so clarified as of 7** 1996-06-05 by Arthur David Olson. 8*/ 9 10/* 11 * FreeBSD modifications: separate libc's privates from zic's. 12 * This makes it easier when we need to update one but not the other. 13 * I have removed all of the ifdef spaghetti which is not relevant to 14 * zic from this file. 15 * 16 * $FreeBSD$ 17 */ 18 19/* 20** This header is for use ONLY with the time conversion code. 21** There is no guarantee that it will remain unchanged, 22** or that it will remain at all. 23** Do NOT copy it to any system include directory. 24** Thank you! 25*/ 26 27/* 28** ID 29*/ 30 31#ifndef lint 32#ifndef NOID 33static const char privatehid[] = "@(#)private.h 8.6"; 34#endif /* !defined NOID */ 35#endif /* !defined lint */ 36 37#define GRANDPARENTED "Local time zone must be set--use tzsetup" 38 39/* 40** Defaults for preprocessor symbols. 41** You can override these in your C compiler options, e.g. `-DHAVE_ADJTIME=0'. 42*/ 43 44#ifndef HAVE_GETTEXT 45#define HAVE_GETTEXT 0 46#endif /* !defined HAVE_GETTEXT */ 47 48#ifndef HAVE_SYMLINK 49#define HAVE_SYMLINK 1 50#endif /* !defined HAVE_SYMLINK */ 51 52#ifndef HAVE_SYS_STAT_H 53#define HAVE_SYS_STAT_H 1 54#endif /* !defined HAVE_SYS_STAT_H */ 55 56#ifndef HAVE_SYS_WAIT_H 57#define HAVE_SYS_WAIT_H 1 58#endif /* !defined HAVE_SYS_WAIT_H */ 59 60#ifndef HAVE_UNISTD_H 61#define HAVE_UNISTD_H 1 62#endif /* !defined HAVE_UNISTD_H */ 63 64/* 65** Nested includes 66*/ 67 68#include "sys/types.h" /* for time_t */ 69#include "stdio.h" 70#include "errno.h" 71#include "string.h" 72#include "limits.h" /* for CHAR_BIT et al. */ 73#include "time.h" 74#include "stdlib.h" 75 76#if HAVE_GETTEXT 77#include "libintl.h" 78#endif /* HAVE_GETTEXT */ 79 80#if HAVE_SYS_WAIT_H 81#include <sys/wait.h> /* for WIFEXITED and WEXITSTATUS */ 82#endif /* HAVE_SYS_WAIT_H */ 83 84#if HAVE_UNISTD_H 85#include "unistd.h" /* for F_OK and R_OK, and other POSIX goodness */ 86#endif /* HAVE_UNISTD_H */ 87 88#ifndef F_OK 89#define F_OK 0 90#endif /* !defined F_OK */ 91#ifndef R_OK 92#define R_OK 4 93#endif /* !defined R_OK */ 94 95/* Unlike <ctype.h>'s isdigit, this also works if c < 0 | c > UCHAR_MAX. */ 96#define is_digit(c) ((unsigned)(c) - '0' <= 9) 97 98/* 99** Define HAVE_STDINT_H's default value here, rather than at the 100** start, since __GLIBC__'s value depends on previously-included 101** files. 102** (glibc 2.1 and later have stdint.h, even with pre-C99 compilers.) 103*/ 104#ifndef HAVE_STDINT_H 105#define HAVE_STDINT_H \ 106 (199901 <= __STDC_VERSION__ || \ 107 2 < (__GLIBC__ + (0 < __GLIBC_MINOR__))) 108#endif /* !defined HAVE_STDINT_H */ 109 110#if HAVE_STDINT_H 111#include "stdint.h" 112#endif /* !HAVE_STDINT_H */ 113 114#ifndef INT_FAST64_MAX 115/* Pre-C99 GCC compilers define __LONG_LONG_MAX__ instead of LLONG_MAX. */ 116#if defined LLONG_MAX || defined __LONG_LONG_MAX__ 117typedef long long int_fast64_t; 118#else /* ! (defined LLONG_MAX || defined __LONG_LONG_MAX__) */ 119#if (LONG_MAX >> 31) < 0xffffffff 120Please use a compiler that supports a 64-bit integer type (or wider); 121you may need to compile with "-DHAVE_STDINT_H". 122#endif /* (LONG_MAX >> 31) < 0xffffffff */ 123typedef long int_fast64_t; 124#endif /* ! (defined LLONG_MAX || defined __LONG_LONG_MAX__) */ 125#endif /* !defined INT_FAST64_MAX */ 126 127#ifndef INT32_MAX 128#define INT32_MAX 0x7fffffff 129#endif /* !defined INT32_MAX */ 130#ifndef INT32_MIN 131#define INT32_MIN (-1 - INT32_MAX) 132#endif /* !defined INT32_MIN */ 133 134/* 135** Workarounds for compilers/systems. 136 */ 137 138/* 139** Some time.h implementations don't declare asctime_r. 140** Others might define it as a macro. 141** Fix the former without affecting the latter. 142 */ 143#ifndef asctime_r 144extern char * asctime_r(struct tm const *, char *); 145#endif 146 147 148 149/* 150** Private function declarations. 151*/ 152char * icalloc (int nelem, int elsize); 153char * icatalloc (char * old, const char * new); 154char * icpyalloc (const char * string); 155char * imalloc (int n); 156void * irealloc (void * pointer, int size); 157void icfree (char * pointer); 158void ifree (char * pointer); 159const char * scheck (const char *string, const char *format); 160 161/* 162** Finally, some convenience items. 163*/ 164 165#ifndef TRUE 166#define TRUE 1 167#endif /* !defined TRUE */ 168 169#ifndef FALSE 170#define FALSE 0 171#endif /* !defined FALSE */ 172 173#ifndef TYPE_BIT 174#define TYPE_BIT(type) (sizeof (type) * CHAR_BIT) 175#endif /* !defined TYPE_BIT */ 176 177#ifndef TYPE_SIGNED 178#define TYPE_SIGNED(type) (((type) -1) < 0) 179#endif /* !defined TYPE_SIGNED */ 180 181/* 182** Since the definition of TYPE_INTEGRAL contains floating point numbers, 183** it cannot be used in preprocessor directives. 184*/ 185 186#ifndef TYPE_INTEGRAL 187#define TYPE_INTEGRAL(type) (((type) 0.5) != 0.5) 188#endif /* !defined TYPE_INTEGRAL */ 189 190#ifndef INT_STRLEN_MAXIMUM 191/* 192** 302 / 1000 is log10(2.0) rounded up. 193** Subtract one for the sign bit if the type is signed; 194** add one for integer division truncation; 195** add one more for a minus sign if the type is signed. 196*/ 197#define INT_STRLEN_MAXIMUM(type) \ 198 ((TYPE_BIT(type) - TYPE_SIGNED(type)) * 302 / 1000 + \ 199 1 + TYPE_SIGNED(type)) 200#endif /* !defined INT_STRLEN_MAXIMUM */ 201 202/* 203** INITIALIZE(x) 204*/ 205 206#ifndef GNUC_or_lint 207#ifdef lint 208#define GNUC_or_lint 209#endif /* defined lint */ 210#ifndef lint 211#ifdef __GNUC__ 212#define GNUC_or_lint 213#endif /* defined __GNUC__ */ 214#endif /* !defined lint */ 215#endif /* !defined GNUC_or_lint */ 216 217#ifndef INITIALIZE 218#ifdef GNUC_or_lint 219#define INITIALIZE(x) ((x) = 0) 220#endif /* defined GNUC_or_lint */ 221#ifndef GNUC_or_lint 222#define INITIALIZE(x) 223#endif /* !defined GNUC_or_lint */ 224#endif /* !defined INITIALIZE */ 225 226/* 227** For the benefit of GNU folk... 228** `_(MSGID)' uses the current locale's message library string for MSGID. 229** The default is to use gettext if available, and use MSGID otherwise. 230*/ 231 232#ifndef _ 233#if HAVE_GETTEXT 234#define _(msgid) gettext(msgid) 235#else /* !HAVE_GETTEXT */ 236#define _(msgid) msgid 237#endif /* !HAVE_GETTEXT */ 238#endif /* !defined _ */ 239 240#ifndef TZ_DOMAIN 241#define TZ_DOMAIN "tz" 242#endif /* !defined TZ_DOMAIN */ 243 244/* 245** UNIX was a registered trademark of The Open Group in 2003. 246*/ 247 248#ifndef YEARSPERREPEAT 249#define YEARSPERREPEAT 400 /* years before a Gregorian repeat */ 250#endif /* !defined YEARSPERREPEAT */ 251 252/* 253** The Gregorian year averages 365.2425 days, which is 31556952 seconds. 254*/ 255 256#ifndef AVGSECSPERYEAR 257#define AVGSECSPERYEAR 31556952L 258#endif /* !defined AVGSECSPERYEAR */ 259 260#ifndef SECSPERREPEAT 261#define SECSPERREPEAT ((int_fast64_t) YEARSPERREPEAT * (int_fast64_t) AVGSECSPERYEAR) 262#endif /* !defined SECSPERREPEAT */ 263 264#ifndef SECSPERREPEAT_BITS 265#define SECSPERREPEAT_BITS 34 /* ceil(log2(SECSPERREPEAT)) */ 266#endif /* !defined SECSPERREPEAT_BITS */ 267 268 /* 269 ** UNIX was a registered trademark of The Open Group in 2003. 270 */ 271 272#endif /* !defined PRIVATE_H */ 273