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 ** This header is for use ONLY with the time conversion code. 12 ** There is no guarantee that it will remain unchanged, 13 ** or that it will remain at all. 14 ** Do NOT copy it to any system include directory. 15 ** Thank you! 16 */ 17 18 /* 19 ** ID 20 */ 21 22 #ifndef lint 23 #ifndef NOID 24 static char privatehid[] = "@(#)private.h 8.6"; 25 #endif /* !defined NOID */ 26 #endif /* !defined lint */ 27 28 #define GRANDPARENTED "Local time zone must be set--see zic manual page" 29 30 /* 31 ** Defaults for preprocessor symbols. 32 ** You can override these in your C compiler options, e.g. `-DHAVE_ADJTIME=0'. 33 */ 34 35 #ifndef HAVE_ADJTIME 36 #define HAVE_ADJTIME 1 37 #endif /* !defined HAVE_ADJTIME */ 38 39 #ifndef HAVE_GETTEXT 40 #define HAVE_GETTEXT 0 41 #endif /* !defined HAVE_GETTEXT */ 42 43 #ifndef HAVE_INCOMPATIBLE_CTIME_R 44 #define HAVE_INCOMPATIBLE_CTIME_R 0 45 #endif /* !defined INCOMPATIBLE_CTIME_R */ 46 47 #ifndef HAVE_SETTIMEOFDAY 48 #define HAVE_SETTIMEOFDAY 3 49 #endif /* !defined HAVE_SETTIMEOFDAY */ 50 51 #ifndef HAVE_SYMLINK 52 #define HAVE_SYMLINK 1 53 #endif /* !defined HAVE_SYMLINK */ 54 55 #ifndef HAVE_SYS_STAT_H 56 #define HAVE_SYS_STAT_H 1 57 #endif /* !defined HAVE_SYS_STAT_H */ 58 59 #ifndef HAVE_SYS_WAIT_H 60 #define HAVE_SYS_WAIT_H 1 61 #endif /* !defined HAVE_SYS_WAIT_H */ 62 63 #ifndef HAVE_UNISTD_H 64 #define HAVE_UNISTD_H 1 65 #endif /* !defined HAVE_UNISTD_H */ 66 67 #ifndef HAVE_UTMPX_H 68 #define HAVE_UTMPX_H 0 69 #endif /* !defined HAVE_UTMPX_H */ 70 71 #ifndef LOCALE_HOME 72 #define LOCALE_HOME "/usr/lib/locale" 73 #endif /* !defined LOCALE_HOME */ 74 75 #if HAVE_INCOMPATIBLE_CTIME_R 76 #define asctime_r _incompatible_asctime_r 77 #define ctime_r _incompatible_ctime_r 78 #endif /* HAVE_INCOMPATIBLE_CTIME_R */ 79 80 /* 81 ** Nested includes 82 */ 83 84 #include "sys/types.h" /* for time_t */ 85 #include "stdio.h" 86 #include "errno.h" 87 #include "string.h" 88 #include "limits.h" /* for CHAR_BIT et al. */ 89 #include "time.h" 90 #include "stdlib.h" 91 92 #if HAVE_GETTEXT 93 #include "libintl.h" 94 #endif /* HAVE_GETTEXT */ 95 96 #if HAVE_SYS_WAIT_H 97 #include <sys/wait.h> /* for WIFEXITED and WEXITSTATUS */ 98 #endif /* HAVE_SYS_WAIT_H */ 99 100 #ifndef WIFEXITED 101 #define WIFEXITED(status) (((status) & 0xff) == 0) 102 #endif /* !defined WIFEXITED */ 103 #ifndef WEXITSTATUS 104 #define WEXITSTATUS(status) (((status) >> 8) & 0xff) 105 #endif /* !defined WEXITSTATUS */ 106 107 #if HAVE_UNISTD_H 108 #include "unistd.h" /* for F_OK, R_OK, and other POSIX goodness */ 109 #endif /* HAVE_UNISTD_H */ 110 111 #ifndef F_OK 112 #define F_OK 0 113 #endif /* !defined F_OK */ 114 #ifndef R_OK 115 #define R_OK 4 116 #endif /* !defined R_OK */ 117 118 /* Unlike <ctype.h>'s isdigit, this also works if c < 0 | c > UCHAR_MAX. */ 119 #define is_digit(c) ((unsigned)(c) - '0' <= 9) 120 121 /* 122 ** Define HAVE_STDINT_H's default value here, rather than at the 123 ** start, since __GLIBC__'s value depends on previously-included 124 ** files. 125 ** (glibc 2.1 and later have stdint.h, even with pre-C99 compilers.) 126 */ 127 #ifndef HAVE_STDINT_H 128 #define HAVE_STDINT_H \ 129 (199901 <= __STDC_VERSION__ || \ 130 2 < (__GLIBC__ + (0 < __GLIBC_MINOR__))) 131 #endif /* !defined HAVE_STDINT_H */ 132 133 #if HAVE_STDINT_H 134 #include "stdint.h" 135 #endif /* !HAVE_STDINT_H */ 136 137 #ifndef INT_FAST64_MAX 138 /* Pre-C99 GCC compilers define __LONG_LONG_MAX__ instead of LLONG_MAX. */ 139 #if defined LLONG_MAX || defined __LONG_LONG_MAX__ 140 typedef long long int_fast64_t; 141 #else /* ! (defined LLONG_MAX || defined __LONG_LONG_MAX__) */ 142 #if (LONG_MAX >> 31) < 0xffffffff 143 Please use a compiler that supports a 64-bit integer type (or wider); 144 you may need to compile with "-DHAVE_STDINT_H". 145 #endif /* (LONG_MAX >> 31) < 0xffffffff */ 146 typedef long int_fast64_t; 147 #endif /* ! (defined LLONG_MAX || defined __LONG_LONG_MAX__) */ 148 #endif /* !defined INT_FAST64_MAX */ 149 150 #ifndef INT32_MAX 151 #define INT32_MAX 0x7fffffff 152 #endif /* !defined INT32_MAX */ 153 #ifndef INT32_MIN 154 #define INT32_MIN (-1 - INT32_MAX) 155 #endif /* !defined INT32_MIN */ 156 157 /* 158 ** Workarounds for compilers/systems. 159 */ 160 161 /* 162 ** Some time.h implementations don't declare asctime_r. 163 ** Others might define it as a macro. 164 ** Fix the former without affecting the latter. 165 */ 166 167 #ifndef asctime_r 168 extern char * asctime_r(struct tm const *, char *); 169 #endif 170 171 /* 172 ** Private function declarations. 173 */ 174 175 char * icalloc(int nelem, int elsize); 176 char * icatalloc(char * old, const char * new); 177 char * icpyalloc(const char * string); 178 char * imalloc(int n); 179 void * irealloc(void * pointer, int size); 180 void icfree(char * pointer); 181 void ifree(char * pointer); 182 const char * scheck(const char * string, const char * format); 183 184 /* 185 ** Finally, some convenience items. 186 */ 187 188 #ifndef TRUE 189 #define TRUE 1 190 #endif /* !defined TRUE */ 191 192 #ifndef FALSE 193 #define FALSE 0 194 #endif /* !defined FALSE */ 195 196 #ifndef TYPE_BIT 197 #define TYPE_BIT(type) (sizeof (type) * CHAR_BIT) 198 #endif /* !defined TYPE_BIT */ 199 200 #ifndef TYPE_SIGNED 201 #define TYPE_SIGNED(type) (((type) -1) < 0) 202 #endif /* !defined TYPE_SIGNED */ 203 204 /* 205 ** Since the definition of TYPE_INTEGRAL contains floating point numbers, 206 ** it cannot be used in preprocessor directives. 207 */ 208 209 #ifndef TYPE_INTEGRAL 210 #define TYPE_INTEGRAL(type) (((type) 0.5) != 0.5) 211 #endif /* !defined TYPE_INTEGRAL */ 212 213 #ifndef INT_STRLEN_MAXIMUM 214 /* 215 ** 302 / 1000 is log10(2.0) rounded up. 216 ** Subtract one for the sign bit if the type is signed; 217 ** add one for integer division truncation; 218 ** add one more for a minus sign if the type is signed. 219 */ 220 #define INT_STRLEN_MAXIMUM(type) \ 221 ((TYPE_BIT(type) - TYPE_SIGNED(type)) * 302 / 1000 + \ 222 1 + TYPE_SIGNED(type)) 223 #endif /* !defined INT_STRLEN_MAXIMUM */ 224 225 /* 226 ** INITIALIZE(x) 227 */ 228 229 #ifndef GNUC_or_lint 230 #ifdef lint 231 #define GNUC_or_lint 232 #endif /* defined lint */ 233 #ifndef lint 234 #ifdef __GNUC__ 235 #define GNUC_or_lint 236 #endif /* defined __GNUC__ */ 237 #endif /* !defined lint */ 238 #endif /* !defined GNUC_or_lint */ 239 240 #ifndef INITIALIZE 241 #ifdef GNUC_or_lint 242 #define INITIALIZE(x) ((x) = 0) 243 #endif /* defined GNUC_or_lint */ 244 #ifndef GNUC_or_lint 245 #define INITIALIZE(x) 246 #endif /* !defined GNUC_or_lint */ 247 #endif /* !defined INITIALIZE */ 248 249 /* 250 ** For the benefit of GNU folk... 251 ** `_(MSGID)' uses the current locale's message library string for MSGID. 252 ** The default is to use gettext if available, and use MSGID otherwise. 253 */ 254 255 #ifndef _ 256 #if HAVE_GETTEXT 257 #define _(msgid) gettext(msgid) 258 #else /* !HAVE_GETTEXT */ 259 #define _(msgid) msgid 260 #endif /* !HAVE_GETTEXT */ 261 #endif /* !defined _ */ 262 263 #ifndef TZ_DOMAIN 264 #define TZ_DOMAIN "tz" 265 #endif /* !defined TZ_DOMAIN */ 266 267 #if HAVE_INCOMPATIBLE_CTIME_R 268 #undef asctime_r 269 #undef ctime_r 270 char *asctime_r(struct tm const *, char *); 271 char *ctime_r(time_t const *, char *); 272 #endif /* HAVE_INCOMPATIBLE_CTIME_R */ 273 274 #ifndef YEARSPERREPEAT 275 #define YEARSPERREPEAT 400 /* years before a Gregorian repeat */ 276 #endif /* !defined YEARSPERREPEAT */ 277 278 /* 279 ** The Gregorian year averages 365.2425 days, which is 31556952 seconds. 280 */ 281 282 #ifndef AVGSECSPERYEAR 283 #define AVGSECSPERYEAR 31556952L 284 #endif /* !defined AVGSECSPERYEAR */ 285 286 #ifndef SECSPERREPEAT 287 #define SECSPERREPEAT ((int_fast64_t) YEARSPERREPEAT * (int_fast64_t) AVGSECSPERYEAR) 288 #endif /* !defined SECSPERREPEAT */ 289 290 #ifndef SECSPERREPEAT_BITS 291 #define SECSPERREPEAT_BITS 34 /* ceil(log2(SECSPERREPEAT)) */ 292 #endif /* !defined SECSPERREPEAT_BITS */ 293 294 /* 295 ** UNIX was a registered trademark of The Open Group in 2003. 296 */ 297 298 #endif /* !defined PRIVATE_H */ 299
