1 /* $OpenBSD: private.h,v 1.23 2011/07/01 13:34:18 millert Exp $ */ 2 #ifndef PRIVATE_H 3 4 #define PRIVATE_H 5 6 /* 7 ** This file is in the public domain, so clarified as of 8 ** 1996-06-05 by Arthur David Olson. 9 */ 10 11 /* OpenBSD defaults */ 12 #define TM_GMTOFF tm_gmtoff 13 #define TM_ZONE tm_zone 14 #define PCTS 1 15 #define XPG4_1994_04_09 1 16 #define ALL_STATE 1 17 #define STD_INSPIRED 1 18 #define HAVE_STRERROR 1 19 #define HAVE_STDINT_H 1 20 #define NO_RUN_TIME_WARNINGS_ABOUT_YEAR_2000_PROBLEMS_THANK_YOU 1 21 22 /* 23 ** This header is for use ONLY with the time conversion code. 24 ** There is no guarantee that it will remain unchanged, 25 ** or that it will remain at all. 26 ** Do NOT copy it to any system include directory. 27 ** Thank you! 28 */ 29 30 /* 31 ** ID 32 */ 33 34 #if 0 35 #ifndef lint 36 #ifndef NOID 37 static char privatehid[] = "@(#)private.h 8.6"; 38 #endif /* !defined NOID */ 39 #endif /* !defined lint */ 40 #endif 41 42 #define GRANDPARENTED "Local time zone must be set--see zic manual page" 43 44 /* 45 ** Defaults for preprocessor symbols. 46 ** You can override these in your C compiler options, e.g. `-DHAVE_ADJTIME=0'. 47 */ 48 49 #ifndef HAVE_ADJTIME 50 #define HAVE_ADJTIME 1 51 #endif /* !defined HAVE_ADJTIME */ 52 53 #ifndef HAVE_GETTEXT 54 #define HAVE_GETTEXT 0 55 #endif /* !defined HAVE_GETTEXT */ 56 57 #ifndef HAVE_INCOMPATIBLE_CTIME_R 58 #define HAVE_INCOMPATIBLE_CTIME_R 0 59 #endif /* !defined INCOMPATIBLE_CTIME_R */ 60 61 #ifndef HAVE_SETTIMEOFDAY 62 #define HAVE_SETTIMEOFDAY 3 63 #endif /* !defined HAVE_SETTIMEOFDAY */ 64 65 #ifndef HAVE_SYMLINK 66 #define HAVE_SYMLINK 1 67 #endif /* !defined HAVE_SYMLINK */ 68 69 #ifndef HAVE_SYS_STAT_H 70 #define HAVE_SYS_STAT_H 1 71 #endif /* !defined HAVE_SYS_STAT_H */ 72 73 #ifndef HAVE_SYS_WAIT_H 74 #define HAVE_SYS_WAIT_H 1 75 #endif /* !defined HAVE_SYS_WAIT_H */ 76 77 #ifndef HAVE_UNISTD_H 78 #define HAVE_UNISTD_H 1 79 #endif /* !defined HAVE_UNISTD_H */ 80 81 #ifndef HAVE_UTMPX_H 82 #define HAVE_UTMPX_H 0 83 #endif /* !defined HAVE_UTMPX_H */ 84 85 #if 0 86 #ifndef LOCALE_HOME 87 #define LOCALE_HOME "/usr/share/locale" 88 #endif /* !defined LOCALE_HOME */ 89 #endif 90 91 #if HAVE_INCOMPATIBLE_CTIME_R 92 #define asctime_r _incompatible_asctime_r 93 #define ctime_r _incompatible_ctime_r 94 #endif /* HAVE_INCOMPATIBLE_CTIME_R */ 95 96 /* 97 ** Nested includes 98 */ 99 100 #include "sys/types.h" /* for time_t */ 101 #include "stdio.h" 102 #include "errno.h" 103 #include "string.h" 104 #include "limits.h" /* for CHAR_BIT et al. */ 105 #include "time.h" 106 #include "stdlib.h" 107 108 #if HAVE_GETTEXT 109 #include "libintl.h" 110 #endif /* HAVE_GETTEXT */ 111 112 #if HAVE_SYS_WAIT_H 113 #include <sys/wait.h> /* for WIFEXITED and WEXITSTATUS */ 114 #endif /* HAVE_SYS_WAIT_H */ 115 116 #ifndef WIFEXITED 117 #define WIFEXITED(status) (((status) & 0xff) == 0) 118 #endif /* !defined WIFEXITED */ 119 #ifndef WEXITSTATUS 120 #define WEXITSTATUS(status) (((status) >> 8) & 0xff) 121 #endif /* !defined WEXITSTATUS */ 122 123 #if HAVE_UNISTD_H 124 #include "unistd.h" /* for F_OK, R_OK, and other POSIX goodness */ 125 #endif /* HAVE_UNISTD_H */ 126 127 #ifndef F_OK 128 #define F_OK 0 129 #endif /* !defined F_OK */ 130 #ifndef R_OK 131 #define R_OK 4 132 #endif /* !defined R_OK */ 133 134 /* Unlike <ctype.h>'s isdigit, this also works if c < 0 | c > UCHAR_MAX. */ 135 #define is_digit(c) ((unsigned)(c) - '0' <= 9) 136 137 #if HAVE_STDINT_H 138 #include "stdint.h" 139 #endif /* !HAVE_STDINT_H */ 140 141 #ifndef INT_FAST64_MAX 142 /* Pre-C99 GCC compilers define __LONG_LONG_MAX__ instead of LLONG_MAX. */ 143 #if defined LLONG_MAX || defined __LONG_LONG_MAX__ 144 typedef long long int_fast64_t; 145 #else /* ! (defined LLONG_MAX || defined __LONG_LONG_MAX__) */ 146 #if (LONG_MAX >> 31) < 0xffffffff 147 Please use a compiler that supports a 64-bit integer type (or wider); 148 you may need to compile with "-DHAVE_STDINT_H". 149 #endif /* (LONG_MAX >> 31) < 0xffffffff */ 150 typedef long int_fast64_t; 151 #endif /* ! (defined LLONG_MAX || defined __LONG_LONG_MAX__) */ 152 #endif /* !defined INT_FAST64_MAX */ 153 154 #ifndef INT32_MAX 155 #define INT32_MAX 0x7fffffff 156 #endif /* !defined INT32_MAX */ 157 #ifndef INT32_MIN 158 #define INT32_MIN (-1 - INT32_MAX) 159 #endif /* !defined INT32_MIN */ 160 161 /* 162 ** Workarounds for compilers/systems. 163 */ 164 165 #if 0 166 /* 167 ** Some time.h implementations don't declare asctime_r. 168 ** Others might define it as a macro. 169 ** Fix the former without affecting the latter. 170 */ 171 172 #ifndef asctime_r 173 extern char * asctime_r(struct tm const *, char *); 174 #endif 175 #endif 176 177 /* 178 ** Private function declarations. 179 */ 180 181 char * icalloc(int nelem, int elsize); 182 char * icatalloc(char * old, const char * new); 183 char * icpyalloc(const char * string); 184 char * imalloc(int n); 185 void * irealloc(void * pointer, int size); 186 void icfree(char * pointer); 187 void ifree(char * pointer); 188 const char * scheck(const char * string, const char * format); 189 190 /* 191 ** Finally, some convenience items. 192 */ 193 194 #ifndef TRUE 195 #define TRUE 1 196 #endif /* !defined TRUE */ 197 198 #ifndef FALSE 199 #define FALSE 0 200 #endif /* !defined FALSE */ 201 202 #ifndef TYPE_BIT 203 #define TYPE_BIT(type) (sizeof (type) * CHAR_BIT) 204 #endif /* !defined TYPE_BIT */ 205 206 #ifndef TYPE_SIGNED 207 #define TYPE_SIGNED(type) (((type) -1) < 0) 208 #endif /* !defined TYPE_SIGNED */ 209 210 /* 211 ** Since the definition of TYPE_INTEGRAL contains floating point numbers, 212 ** it cannot be used in preprocessor directives. 213 */ 214 215 #ifndef TYPE_INTEGRAL 216 #define TYPE_INTEGRAL(type) (((type) 0.5) != 0.5) 217 #endif /* !defined TYPE_INTEGRAL */ 218 219 #ifndef INT_STRLEN_MAXIMUM 220 /* 221 ** 302 / 1000 is log10(2.0) rounded up. 222 ** Subtract one for the sign bit if the type is signed; 223 ** add one for integer division truncation; 224 ** add one more for a minus sign if the type is signed. 225 */ 226 #define INT_STRLEN_MAXIMUM(type) \ 227 ((TYPE_BIT(type) - TYPE_SIGNED(type)) * 302 / 1000 + \ 228 1 + TYPE_SIGNED(type)) 229 #endif /* !defined INT_STRLEN_MAXIMUM */ 230 231 /* 232 ** INITIALIZE(x) 233 */ 234 235 #ifndef GNUC_or_lint 236 #ifdef lint 237 #define GNUC_or_lint 238 #endif /* defined lint */ 239 #ifndef lint 240 #ifdef __GNUC__ 241 #define GNUC_or_lint 242 #endif /* defined __GNUC__ */ 243 #endif /* !defined lint */ 244 #endif /* !defined GNUC_or_lint */ 245 246 #ifndef INITIALIZE 247 #ifdef GNUC_or_lint 248 #define INITIALIZE(x) ((x) = 0) 249 #endif /* defined GNUC_or_lint */ 250 #ifndef GNUC_or_lint 251 #define INITIALIZE(x) 252 #endif /* !defined GNUC_or_lint */ 253 #endif /* !defined INITIALIZE */ 254 255 /* 256 ** For the benefit of GNU folk... 257 ** `_(MSGID)' uses the current locale's message library string for MSGID. 258 ** The default is to use gettext if available, and use MSGID otherwise. 259 */ 260 261 #ifndef _ 262 #if HAVE_GETTEXT 263 #define _(msgid) gettext(msgid) 264 #else /* !HAVE_GETTEXT */ 265 #define _(msgid) msgid 266 #endif /* !HAVE_GETTEXT */ 267 #endif /* !defined _ */ 268 269 #ifndef TZ_DOMAIN 270 #define TZ_DOMAIN "tz" 271 #endif /* !defined TZ_DOMAIN */ 272 273 #if HAVE_INCOMPATIBLE_CTIME_R 274 #undef asctime_r 275 #undef ctime_r 276 char *asctime_r(struct tm const *, char *); 277 char *ctime_r(time_t const *, char *); 278 #endif /* HAVE_INCOMPATIBLE_CTIME_R */ 279 280 #ifndef YEARSPERREPEAT 281 #define YEARSPERREPEAT 400 /* years before a Gregorian repeat */ 282 #endif /* !defined YEARSPERREPEAT */ 283 284 /* 285 ** The Gregorian year averages 365.2425 days, which is 31556952 seconds. 286 */ 287 288 #ifndef AVGSECSPERYEAR 289 #define AVGSECSPERYEAR 31556952L 290 #endif /* !defined AVGSECSPERYEAR */ 291 292 #ifndef SECSPERREPEAT 293 #define SECSPERREPEAT ((int_fast64_t) YEARSPERREPEAT * (int_fast64_t) AVGSECSPERYEAR) 294 #endif /* !defined SECSPERREPEAT */ 295 296 #ifndef SECSPERREPEAT_BITS 297 #define SECSPERREPEAT_BITS 34 /* ceil(log2(SECSPERREPEAT)) */ 298 #endif /* !defined SECSPERREPEAT_BITS */ 299 300 /* 301 ** UNIX was a registered trademark of The Open Group in 2003. 302 */ 303 304 #endif /* !defined PRIVATE_H */ 305