1 /* $NetBSD: compat.h,v 1.1.1.2 2012/01/31 21:27:56 kardel Exp $ */ 2 3 /* -*- Mode: C -*- */ 4 5 /** 6 * \file compat.h --- fake the preprocessor into handlng portability 7 * 8 * Time-stamp: "2010-07-16 15:11:57 bkorb" 9 * 10 * compat.h is free software. 11 * This file is part of AutoGen. 12 * 13 * AutoGen Copyright (c) 1992-2011 by Bruce Korb - all rights reserved 14 * 15 * AutoGen is free software: you can redistribute it and/or modify it 16 * under the terms of the GNU General Public License as published by the 17 * Free Software Foundation, either version 3 of the License, or 18 * (at your option) any later version. 19 * 20 * AutoGen is distributed in the hope that it will be useful, but 21 * WITHOUT ANY WARRANTY; without even the implied warranty of 22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 23 * See the GNU General Public License for more details. 24 * 25 * You should have received a copy of the GNU General Public License along 26 * with this program. If not, see <http://www.gnu.org/licenses/>. 27 * 28 * As a special exception, Bruce Korb gives permission for additional 29 * uses of the text contained in the release of compat.h. 30 * 31 * The exception is that, if you link the compat.h library with other 32 * files to produce an executable, this does not by itself cause the 33 * resulting executable to be covered by the GNU General Public License. 34 * Your use of that executable is in no way restricted on account of 35 * linking the compat.h library code into it. 36 * 37 * This exception does not however invalidate any other reasons why 38 * the executable file might be covered by the GNU General Public License. 39 * 40 * This exception applies only to the code released by Bruce Korb under 41 * the name compat.h. If you copy code from other sources under the 42 * General Public License into a copy of compat.h, as the General Public 43 * License permits, the exception does not apply to the code that you add 44 * in this way. To avoid misleading anyone as to the status of such 45 * modified files, you must delete this exception notice from them. 46 * 47 * If you write modifications of your own for compat.h, it is your choice 48 * whether to permit this exception to apply to your modifications. 49 * If you do not wish that, delete this exception notice. 50 */ 51 #ifndef COMPAT_H_GUARD 52 #define COMPAT_H_GUARD 1 53 54 #if defined(HAVE_CONFIG_H) 55 # include <config.h> 56 57 #elif defined(_WIN32) && !defined(__CYGWIN__) 58 # include "windows-config.h" 59 60 #else 61 # error "compat.h" requires "config.h" 62 choke me. 63 #endif 64 65 66 #ifndef HAVE_STRSIGNAL 67 char * strsignal( int signo ); 68 #endif 69 70 #define _GNU_SOURCE 1 /* for strsignal in GNU's libc */ 71 #define __USE_GNU 1 /* exact same thing as above */ 72 #define __EXTENSIONS__ 1 /* and another way to call for it */ 73 74 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 75 * 76 * SYSTEM HEADERS: 77 */ 78 #include <sys/types.h> 79 #ifdef HAVE_SYS_MMAN_H 80 # include <sys/mman.h> 81 #endif 82 #include <sys/param.h> 83 #if HAVE_SYS_PROCSET_H 84 # include <sys/procset.h> 85 #endif 86 #include <sys/stat.h> 87 #include <sys/wait.h> 88 89 #if defined( HAVE_SOLARIS_SYSINFO ) 90 # include <sys/systeminfo.h> 91 #elif defined( HAVE_UNAME_SYSCALL ) 92 # include <sys/utsname.h> 93 #endif 94 95 #ifdef DAEMON_ENABLED 96 # if HAVE_SYS_STROPTS_H 97 # include <sys/stropts.h> 98 # endif 99 100 # if HAVE_SYS_SOCKET_H 101 # include <sys/socket.h> 102 # endif 103 104 # if ! defined(HAVE_SYS_POLL_H) && ! defined(HAVE_SYS_SELECT_H) 105 # error This system cannot support daemon processing 106 Choke Me. 107 # endif 108 109 # if HAVE_SYS_POLL_H 110 # include <sys/poll.h> 111 # endif 112 113 # if HAVE_SYS_SELECT_H 114 # include <sys/select.h> 115 # endif 116 117 # if HAVE_NETINET_IN_H 118 # include <netinet/in.h> 119 # endif 120 121 # if HAVE_SYS_UN_H 122 # include <sys/un.h> 123 # endif 124 #endif 125 126 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 127 * 128 * USER HEADERS: 129 */ 130 #include <stdio.h> 131 #include <assert.h> 132 #include <ctype.h> 133 134 /* 135 * Directory opening stuff: 136 */ 137 # if defined (_POSIX_SOURCE) 138 /* Posix does not require that the d_ino field be present, and some 139 systems do not provide it. */ 140 # define REAL_DIR_ENTRY(dp) 1 141 # else /* !_POSIX_SOURCE */ 142 # define REAL_DIR_ENTRY(dp) (dp->d_ino != 0) 143 # endif /* !_POSIX_SOURCE */ 144 145 # if defined (HAVE_DIRENT_H) 146 # include <dirent.h> 147 # define D_NAMLEN(dirent) strlen((dirent)->d_name) 148 # else /* !HAVE_DIRENT_H */ 149 # define dirent direct 150 # define D_NAMLEN(dirent) (dirent)->d_namlen 151 # if defined (HAVE_SYS_NDIR_H) 152 # include <sys/ndir.h> 153 # endif /* HAVE_SYS_NDIR_H */ 154 # if defined (HAVE_SYS_DIR_H) 155 # include <sys/dir.h> 156 # endif /* HAVE_SYS_DIR_H */ 157 # if defined (HAVE_NDIR_H) 158 # include <ndir.h> 159 # endif /* HAVE_NDIR_H */ 160 # endif /* !HAVE_DIRENT_H */ 161 162 #include <errno.h> 163 #ifdef HAVE_FCNTL_H 164 # include <fcntl.h> 165 #endif 166 #ifndef O_NONBLOCK 167 # define O_NONBLOCK FNDELAY 168 #endif 169 170 #if defined(HAVE_LIBGEN) && defined(HAVE_LIBGEN_H) 171 # include <libgen.h> 172 #endif 173 174 #if defined(HAVE_LIMITS_H) /* this is also in options.h */ 175 # include <limits.h> 176 #elif defined(HAVE_SYS_LIMITS_H) 177 # include <sys/limits.h> 178 #endif /* HAVE_LIMITS/SYS_LIMITS_H */ 179 180 #include <memory.h> 181 #include <setjmp.h> 182 #include <signal.h> 183 184 #if defined( HAVE_STDINT_H ) 185 # include <stdint.h> 186 #elif defined( HAVE_INTTYPES_H ) 187 # include <inttypes.h> 188 #endif 189 190 #include <stdlib.h> 191 #include <string.h> 192 193 #include <time.h> 194 195 #ifdef HAVE_UTIME_H 196 # include <utime.h> 197 #endif 198 199 #ifdef HAVE_UNISTD_H 200 # include <unistd.h> 201 #endif 202 203 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 204 * 205 * FIXUPS and CONVIENCE STUFF: 206 */ 207 #ifdef __cplusplus 208 # define EXTERN extern "C" 209 #else 210 # define EXTERN extern 211 #endif 212 213 /* some systems #def errno! and others do not declare it!! */ 214 #ifndef errno 215 extern int errno; 216 #endif 217 218 /* Some machines forget this! */ 219 220 # ifndef EXIT_FAILURE 221 # define EXIT_SUCCESS 0 222 # define EXIT_FAILURE 1 223 # endif 224 225 #ifndef NUL 226 # define NUL '\0' 227 #endif 228 229 #ifndef NULL 230 # define NULL 0 231 #endif 232 233 #if !defined (MAXPATHLEN) && defined (HAVE_SYS_PARAM_H) 234 # include <sys/param.h> 235 #endif /* !MAXPATHLEN && HAVE_SYS_PARAM_H */ 236 237 #if !defined (MAXPATHLEN) && defined (PATH_MAX) 238 # define MAXPATHLEN PATH_MAX 239 #endif /* !MAXPATHLEN && PATH_MAX */ 240 241 #if !defined (MAXPATHLEN) && defined(_MAX_PATH) 242 # define PATH_MAX _MAX_PATH 243 # define MAXPATHLEN _MAX_PATH 244 #endif 245 246 #if !defined (MAXPATHLEN) 247 # define MAXPATHLEN ((size_t)4096) 248 #endif /* MAXPATHLEN */ 249 250 #define AG_PATH_MAX ((size_t)MAXPATHLEN) 251 252 #ifndef LONG_MAX 253 # define LONG_MAX ~(1L << (8*sizeof(long) -1)) 254 # define INT_MAX ~(1 << (8*sizeof(int) -1)) 255 #endif 256 257 #ifndef ULONG_MAX 258 # define ULONG_MAX ~(OUL) 259 # define UINT_MAX ~(OU) 260 #endif 261 262 #ifndef SHORT_MAX 263 # define SHORT_MAX ~(1 << (8*sizeof(short) - 1)) 264 #else 265 # define USHORT_MAX ~(OUS) 266 #endif 267 268 #ifndef HAVE_INT8_T 269 typedef signed char int8_t; 270 # define HAVE_INT8_T 1 271 #endif 272 #ifndef HAVE_UINT8_T 273 typedef unsigned char uint8_t; 274 # define HAVE_UINT8_T 1 275 #endif 276 #ifndef HAVE_INT16_T 277 typedef signed short int16_t; 278 # define HAVE_INT16_T 1 279 #endif 280 #ifndef HAVE_UINT16_T 281 typedef unsigned short uint16_t; 282 # define HAVE_UINT16_T 1 283 #endif 284 285 #ifndef HAVE_INT32_T 286 # if SIZEOF_INT == 4 287 typedef signed int int32_t; 288 # elif SIZEOF_LONG == 4 289 typedef signed long int32_t; 290 # endif 291 # define HAVE_INT32_T 1 292 #endif 293 294 #ifndef HAVE_UINT32_T 295 # if SIZEOF_INT == 4 296 typedef unsigned int uint32_t; 297 # elif SIZEOF_LONG == 4 298 typedef unsigned long uint32_t; 299 # else 300 # error Cannot create a uint32_t type. 301 Choke Me. 302 # endif 303 # define HAVE_UINT32_T 1 304 #endif 305 306 #ifndef HAVE_INTPTR_T 307 # if SIZEOF_CHARP == SIZEOF_LONG 308 typedef signed long intptr_t; 309 # else 310 typedef signed int intptr_t; 311 # endif 312 # define HAVE_INTPTR_T 1 313 #endif 314 315 #ifndef HAVE_UINTPTR_T 316 # if SIZEOF_CHARP == SIZEOF_LONG 317 typedef unsigned long intptr_t; 318 # else 319 typedef unsigned int intptr_t; 320 # endif 321 # define HAVE_INTPTR_T 1 322 #endif 323 324 #ifndef HAVE_UINT_T 325 typedef unsigned int uint_t; 326 # define HAVE_UINT_T 1 327 #endif 328 329 #ifndef HAVE_SIZE_T 330 typedef unsigned int size_t; 331 # define HAVE_SIZE_T 1 332 #endif 333 #ifndef HAVE_WINT_T 334 typedef unsigned int wint_t; 335 # define HAVE_WINT_T 1 336 #endif 337 #ifndef HAVE_PID_T 338 typedef signed int pid_t; 339 # define HAVE_PID_T 1 340 #endif 341 342 /* redefine these for BSD style string libraries */ 343 #ifndef HAVE_STRCHR 344 # define strchr index 345 # define strrchr rindex 346 #endif 347 348 #ifdef USE_FOPEN_BINARY 349 # ifndef FOPEN_BINARY_FLAG 350 # define FOPEN_BINARY_FLAG "b" 351 # endif 352 # ifndef FOPEN_TEXT_FLAG 353 # define FOPEN_TEXT_FLAG "t" 354 # endif 355 #else 356 # ifndef FOPEN_BINARY_FLAG 357 # define FOPEN_BINARY_FLAG 358 # endif 359 # ifndef FOPEN_TEXT_FLAG 360 # define FOPEN_TEXT_FLAG 361 # endif 362 #endif 363 364 #ifndef STR 365 # define _STR(s) #s 366 # define STR(s) _STR(s) 367 #endif 368 369 /* ##### Pointer sized word ##### */ 370 371 /* FIXME: the MAX stuff in here is broken! */ 372 #if SIZEOF_CHARP > SIZEOF_INT 373 typedef long t_word; 374 #define WORD_MAX LONG_MAX 375 #define WORD_MIN LONG_MIN 376 #else /* SIZEOF_CHARP <= SIZEOF_INT */ 377 typedef int t_word; 378 #define WORD_MAX INT_MAX 379 #define WORD_MIN INT_MIN 380 #endif 381 382 #endif /* COMPAT_H_GUARD */ 383 384 /* 385 * Local Variables: 386 * mode: C 387 * c-file-style: "stroustrup" 388 * indent-tabs-mode: nil 389 * End: 390 * end of compat/compat.h */ 391