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 8.2"; 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_STRERROR 52 #define HAVE_STRERROR 1 53 #endif /* !defined HAVE_STRERROR */ 54 55 #ifndef HAVE_SYMLINK 56 #define HAVE_SYMLINK 1 57 #endif /* !defined HAVE_SYMLINK */ 58 59 #ifndef HAVE_SYS_STAT_H 60 #define HAVE_SYS_STAT_H 1 61 #endif /* !defined HAVE_SYS_STAT_H */ 62 63 #ifndef HAVE_SYS_WAIT_H 64 #define HAVE_SYS_WAIT_H 1 65 #endif /* !defined HAVE_SYS_WAIT_H */ 66 67 #ifndef HAVE_UNISTD_H 68 #define HAVE_UNISTD_H 1 69 #endif /* !defined HAVE_UNISTD_H */ 70 71 #ifndef HAVE_UTMPX_H 72 #define HAVE_UTMPX_H 0 73 #endif /* !defined HAVE_UTMPX_H */ 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 and R_OK */ 109 #endif /* HAVE_UNISTD_H */ 110 111 #if !HAVE_UNISTD_H 112 #ifndef F_OK 113 #define F_OK 0 114 #endif /* !defined F_OK */ 115 #ifndef R_OK 116 #define R_OK 4 117 #endif /* !defined R_OK */ 118 #endif /* !HAVE_UNISTD_H */ 119 120 /* Unlike <ctype.h>'s isdigit, this also works if c < 0 | c > UCHAR_MAX. */ 121 #define is_digit(c) ((unsigned)(c) - '0' <= 9) 122 123 /* 124 ** Define HAVE_STDINT_H's default value here, rather than at the 125 ** start, since __GLIBC__'s value depends on previously-included 126 ** files. 127 ** (glibc 2.1 and later have stdint.h, even with pre-C99 compilers.) 128 */ 129 #ifndef HAVE_STDINT_H 130 #define HAVE_STDINT_H \ 131 (199901 <= __STDC_VERSION__ || \ 132 2 < (__GLIBC__ + (0 < __GLIBC_MINOR__))) 133 #endif /* !defined HAVE_STDINT_H */ 134 135 #if HAVE_STDINT_H 136 #include "stdint.h" 137 #endif /* !HAVE_STDINT_H */ 138 139 #ifndef INT_FAST64_MAX 140 /* Pre-C99 GCC compilers define __LONG_LONG_MAX__ instead of LLONG_MAX. */ 141 #if defined LLONG_MAX || defined __LONG_LONG_MAX__ 142 typedef long long int_fast64_t; 143 #else /* ! (defined LLONG_MAX || defined __LONG_LONG_MAX__) */ 144 #if (LONG_MAX >> 31) < 0xffffffff 145 Please use a compiler that supports a 64-bit integer type (or wider); 146 you may need to compile with "-DHAVE_STDINT_H". 147 #endif /* (LONG_MAX >> 31) < 0xffffffff */ 148 typedef long int_fast64_t; 149 #endif /* ! (defined LLONG_MAX || defined __LONG_LONG_MAX__) */ 150 #endif /* !defined INT_FAST64_MAX */ 151 152 #ifndef INT32_MAX 153 #define INT32_MAX 0x7fffffff 154 #endif /* !defined INT32_MAX */ 155 #ifndef INT32_MIN 156 #define INT32_MIN (-1 - INT32_MAX) 157 #endif /* !defined INT32_MIN */ 158 159 /* 160 ** Workarounds for compilers/systems. 161 */ 162 163 /* 164 ** If your compiler lacks prototypes, "#define P(x) ()". 165 */ 166 167 #ifndef P 168 #define P(x) x 169 #endif /* !defined P */ 170 171 /* 172 ** SunOS 4.1.1 headers lack EXIT_SUCCESS. 173 */ 174 175 #ifndef EXIT_SUCCESS 176 #define EXIT_SUCCESS 0 177 #endif /* !defined EXIT_SUCCESS */ 178 179 /* 180 ** SunOS 4.1.1 headers lack EXIT_FAILURE. 181 */ 182 183 #ifndef EXIT_FAILURE 184 #define EXIT_FAILURE 1 185 #endif /* !defined EXIT_FAILURE */ 186 187 /* 188 ** SunOS 4.1.1 headers lack FILENAME_MAX. 189 */ 190 191 #ifndef FILENAME_MAX 192 193 #ifndef MAXPATHLEN 194 #ifdef unix 195 #include "sys/param.h" 196 #endif /* defined unix */ 197 #endif /* !defined MAXPATHLEN */ 198 199 #ifdef MAXPATHLEN 200 #define FILENAME_MAX MAXPATHLEN 201 #endif /* defined MAXPATHLEN */ 202 #ifndef MAXPATHLEN 203 #define FILENAME_MAX 1024 /* Pure guesswork */ 204 #endif /* !defined MAXPATHLEN */ 205 206 #endif /* !defined FILENAME_MAX */ 207 208 /* 209 ** SunOS 4.1.1 libraries lack remove. 210 */ 211 212 #ifndef remove 213 extern int unlink P((const char * filename)); 214 #define remove unlink 215 #endif /* !defined remove */ 216 217 /* 218 ** Some ancient errno.h implementations don't declare errno. 219 ** But some newer errno.h implementations define it as a macro. 220 ** Fix the former without affecting the latter. 221 */ 222 223 #ifndef errno 224 extern int errno; 225 #endif /* !defined errno */ 226 227 /* 228 ** Some time.h implementations don't declare asctime_r. 229 ** Others might define it as a macro. 230 ** Fix the former without affecting the latter. 231 */ 232 233 #ifndef asctime_r 234 extern char * asctime_r(); 235 #endif 236 237 /* 238 ** Private function declarations. 239 */ 240 241 char * icalloc P((int nelem, int elsize)); 242 char * icatalloc P((char * old, const char * new)); 243 char * icpyalloc P((const char * string)); 244 char * imalloc P((int n)); 245 void * irealloc P((void * pointer, int size)); 246 void icfree P((char * pointer)); 247 void ifree P((char * pointer)); 248 const char * scheck P((const char * string, const char * format)); 249 250 /* 251 ** Finally, some convenience items. 252 */ 253 254 #ifndef TRUE 255 #define TRUE 1 256 #endif /* !defined TRUE */ 257 258 #ifndef FALSE 259 #define FALSE 0 260 #endif /* !defined FALSE */ 261 262 #ifndef TYPE_BIT 263 #define TYPE_BIT(type) (sizeof (type) * CHAR_BIT) 264 #endif /* !defined TYPE_BIT */ 265 266 #ifndef TYPE_SIGNED 267 #define TYPE_SIGNED(type) (((type) -1) < 0) 268 #endif /* !defined TYPE_SIGNED */ 269 270 /* 271 ** Since the definition of TYPE_INTEGRAL contains floating point numbers, 272 ** it cannot be used in preprocessor directives. 273 */ 274 275 #ifndef TYPE_INTEGRAL 276 #define TYPE_INTEGRAL(type) (((type) 0.5) != 0.5) 277 #endif /* !defined TYPE_INTEGRAL */ 278 279 #ifndef INT_STRLEN_MAXIMUM 280 /* 281 ** 302 / 1000 is log10(2.0) rounded up. 282 ** Subtract one for the sign bit if the type is signed; 283 ** add one for integer division truncation; 284 ** add one more for a minus sign if the type is signed. 285 */ 286 #define INT_STRLEN_MAXIMUM(type) \ 287 ((TYPE_BIT(type) - TYPE_SIGNED(type)) * 302 / 1000 + \ 288 1 + TYPE_SIGNED(type)) 289 #endif /* !defined INT_STRLEN_MAXIMUM */ 290 291 /* 292 ** INITIALIZE(x) 293 */ 294 295 #ifndef GNUC_or_lint 296 #ifdef lint 297 #define GNUC_or_lint 298 #endif /* defined lint */ 299 #ifndef lint 300 #ifdef __GNUC__ 301 #define GNUC_or_lint 302 #endif /* defined __GNUC__ */ 303 #endif /* !defined lint */ 304 #endif /* !defined GNUC_or_lint */ 305 306 #ifndef INITIALIZE 307 #ifdef GNUC_or_lint 308 #define INITIALIZE(x) ((x) = 0) 309 #endif /* defined GNUC_or_lint */ 310 #ifndef GNUC_or_lint 311 #define INITIALIZE(x) 312 #endif /* !defined GNUC_or_lint */ 313 #endif /* !defined INITIALIZE */ 314 315 /* 316 ** For the benefit of GNU folk... 317 ** `_(MSGID)' uses the current locale's message library string for MSGID. 318 ** The default is to use gettext if available, and use MSGID otherwise. 319 */ 320 321 #ifndef _ 322 #if HAVE_GETTEXT 323 #define _(msgid) gettext(msgid) 324 #else /* !HAVE_GETTEXT */ 325 #define _(msgid) msgid 326 #endif /* !HAVE_GETTEXT */ 327 #endif /* !defined _ */ 328 329 #ifndef TZ_DOMAIN 330 #define TZ_DOMAIN "tz" 331 #endif /* !defined TZ_DOMAIN */ 332 333 #if HAVE_INCOMPATIBLE_CTIME_R 334 #undef asctime_r 335 #undef ctime_r 336 char *asctime_r P((struct tm const *, char *)); 337 char *ctime_r P((time_t const *, char *)); 338 #endif /* HAVE_INCOMPATIBLE_CTIME_R */ 339 340 #ifndef YEARSPERREPEAT 341 #define YEARSPERREPEAT 400 /* years before a Gregorian repeat */ 342 #endif /* !defined YEARSPERREPEAT */ 343 344 /* 345 ** The Gregorian year averages 365.2425 days, which is 31556952 seconds. 346 */ 347 348 #ifndef AVGSECSPERYEAR 349 #define AVGSECSPERYEAR 31556952L 350 #endif /* !defined AVGSECSPERYEAR */ 351 352 #ifndef SECSPERREPEAT 353 #define SECSPERREPEAT ((int_fast64_t) YEARSPERREPEAT * (int_fast64_t) AVGSECSPERYEAR) 354 #endif /* !defined SECSPERREPEAT */ 355 356 #ifndef SECSPERREPEAT_BITS 357 #define SECSPERREPEAT_BITS 34 /* ceil(log2(SECSPERREPEAT)) */ 358 #endif /* !defined SECSPERREPEAT_BITS */ 359 360 /* 361 ** UNIX was a registered trademark of The Open Group in 2003. 362 */ 363 364 #endif /* !defined PRIVATE_H */ 365
