1 /* -*- Mode: C -*- 2 * 3 * compat.h is free software. 4 * This file is part of AutoGen and AutoOpts. 5 * 6 * AutoGen Copyright (C) 1992-2015 by Bruce Korb - all rights reserved 7 * 8 * AutoOpts is available under any one of two licenses. The license 9 * in use must be one of these two and the choice is under the control 10 * of the user of the license. 11 * 12 * The GNU Lesser General Public License, version 3 or later 13 * See the files "COPYING.lgplv3" and "COPYING.gplv3" 14 * 15 * The Modified Berkeley Software Distribution License 16 * See the file "COPYING.mbsd" 17 * 18 * These files have the following sha256 sums: 19 * 20 * 8584710e9b04216a394078dc156b781d0b47e1729104d666658aecef8ee32e95 COPYING.gplv3 21 * 4379e7444a0e2ce2b12dd6f5a52a27a4d02d39d247901d3285c88cf0d37f477b COPYING.lgplv3 22 * 13aa749a5b0a454917a944ed8fffc530b784f5ead522b1aacaf4ec8aa55a6239 COPYING.mbsd 23 */ 24 25 /** 26 * \file compat.h 27 * fake the preprocessor into handlng stuff portability 28 */ 29 #ifndef COMPAT_H_GUARD 30 #define COMPAT_H_GUARD 1 31 32 #if defined(HAVE_CONFIG_H) 33 # include <config.h> 34 35 #elif defined(_WIN32) && !defined(__CYGWIN__) 36 # include "windows-config.h" 37 38 #else 39 # error "compat.h" requires "config.h" 40 choke me. 41 #endif 42 43 44 #ifndef HAVE_STRSIGNAL 45 # ifndef HAVE_RAW_DECL_STRSIGNAL 46 char * strsignal(int signo); 47 # endif 48 #endif 49 50 #define _GNU_SOURCE 1 /* for strsignal in GNU's libc */ 51 #define __USE_GNU 1 /* exact same thing as above */ 52 #define __EXTENSIONS__ 1 /* and another way to call for it */ 53 54 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 55 * 56 * SYSTEM HEADERS: 57 */ 58 #include <sys/types.h> 59 #ifdef HAVE_SYS_MMAN_H 60 # include <sys/mman.h> 61 #endif 62 #include <sys/param.h> 63 #if HAVE_SYS_PROCSET_H 64 # include <sys/procset.h> 65 #endif 66 #include <sys/stat.h> 67 #ifdef HAVE_SYS_WAIT_H 68 # include <sys/wait.h> 69 #endif 70 71 #if defined( HAVE_SOLARIS_SYSINFO ) 72 # include <sys/systeminfo.h> 73 #elif defined( HAVE_UNAME_SYSCALL ) 74 # include <sys/utsname.h> 75 #endif 76 77 #ifdef DAEMON_ENABLED 78 # if HAVE_SYS_STROPTS_H 79 # include <sys/stropts.h> 80 # endif 81 82 # if HAVE_SYS_SOCKET_H 83 # include <sys/socket.h> 84 # endif 85 86 # if ! defined(HAVE_SYS_POLL_H) && ! defined(HAVE_SYS_SELECT_H) 87 # error This system cannot support daemon processing 88 Choke Me. 89 # endif 90 91 # if HAVE_SYS_POLL_H 92 # include <sys/poll.h> 93 # endif 94 95 # if HAVE_SYS_SELECT_H 96 # include <sys/select.h> 97 # endif 98 99 # if HAVE_NETINET_IN_H 100 # include <netinet/in.h> 101 # endif 102 103 # if HAVE_SYS_UN_H 104 # include <sys/un.h> 105 # endif 106 #endif 107 108 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 109 * 110 * USER HEADERS: 111 */ 112 #include <stdio.h> 113 #include <assert.h> 114 #include <ctype.h> 115 116 /* 117 * Directory opening stuff: 118 */ 119 # if defined (_POSIX_SOURCE) 120 /* Posix does not require that the d_ino field be present, and some 121 systems do not provide it. */ 122 # define REAL_DIR_ENTRY(dp) 1 123 # else /* !_POSIX_SOURCE */ 124 # define REAL_DIR_ENTRY(dp) (dp->d_ino != 0) 125 # endif /* !_POSIX_SOURCE */ 126 127 # if defined (HAVE_DIRENT_H) 128 # include <dirent.h> 129 # define D_NAMLEN(dirent) strlen((dirent)->d_name) 130 # else /* !HAVE_DIRENT_H */ 131 # define dirent direct 132 # define D_NAMLEN(dirent) (dirent)->d_namlen 133 # if defined (HAVE_SYS_NDIR_H) 134 # include <sys/ndir.h> 135 # endif /* HAVE_SYS_NDIR_H */ 136 # if defined (HAVE_SYS_DIR_H) 137 # include <sys/dir.h> 138 # endif /* HAVE_SYS_DIR_H */ 139 # if defined (HAVE_NDIR_H) 140 # include <ndir.h> 141 # endif /* HAVE_NDIR_H */ 142 # endif /* !HAVE_DIRENT_H */ 143 144 #include <errno.h> 145 #ifdef HAVE_FCNTL_H 146 # include <fcntl.h> 147 #endif 148 #ifndef O_NONBLOCK 149 # define O_NONBLOCK FNDELAY 150 #endif 151 152 #if defined(HAVE_LIBGEN) && defined(HAVE_LIBGEN_H) 153 # include <libgen.h> 154 #endif 155 156 #if defined(HAVE_LIMITS_H) /* this is also in options.h */ 157 # include <limits.h> 158 #elif defined(HAVE_SYS_LIMITS_H) 159 # include <sys/limits.h> 160 #endif /* HAVE_LIMITS/SYS_LIMITS_H */ 161 162 #include <memory.h> 163 #include <setjmp.h> 164 #include <signal.h> 165 166 #if defined(HAVE_STDINT_H) 167 # include <stdint.h> 168 169 #elif defined(HAVE_INTTYPES_H) 170 # include <inttypes.h> 171 #endif 172 173 #include <stdlib.h> 174 #include <string.h> 175 #include <time.h> 176 177 #ifdef HAVE_UTIME_H 178 # include <utime.h> 179 #endif 180 181 #ifdef HAVE_UNISTD_H 182 # include <unistd.h> 183 #endif 184 185 #ifdef HAVE_STDBOOL_H 186 # include <stdbool.h> 187 #else 188 typedef enum { false = 0, true = 1 } _Bool; 189 # define bool _Bool 190 191 /* The other macros must be usable in preprocessor directives. */ 192 # define false 0 193 # define true 1 194 #endif 195 196 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 197 * 198 * FIXUPS and CONVIENCE STUFF: 199 */ 200 #ifdef __cplusplus 201 # define EXTERN extern "C" 202 #else 203 # define EXTERN extern 204 #endif 205 206 /* some systems #def errno! and others do not declare it!! */ 207 #ifndef errno 208 extern int errno; 209 #endif 210 211 /* Some machines forget this! */ 212 213 # ifndef EXIT_FAILURE 214 # define EXIT_SUCCESS 0 215 # define EXIT_FAILURE 1 216 # endif 217 218 #ifndef NUL 219 # define NUL '\0' 220 #endif 221 222 #ifndef NULL 223 # define NULL 0 224 #endif 225 226 #if !defined (MAXPATHLEN) && defined (HAVE_SYS_PARAM_H) 227 # include <sys/param.h> 228 #endif /* !MAXPATHLEN && HAVE_SYS_PARAM_H */ 229 230 #if !defined (MAXPATHLEN) && defined (PATH_MAX) 231 # define MAXPATHLEN PATH_MAX 232 #endif /* !MAXPATHLEN && PATH_MAX */ 233 234 #if !defined (MAXPATHLEN) && defined(_MAX_PATH) 235 # define PATH_MAX _MAX_PATH 236 # define MAXPATHLEN _MAX_PATH 237 #endif 238 239 #if !defined (MAXPATHLEN) 240 # define MAXPATHLEN 4096 241 #endif /* MAXPATHLEN */ 242 243 #define AG_PATH_MAX ((size_t)MAXPATHLEN) 244 245 #ifndef LONG_MAX 246 # define LONG_MAX ~(1L << (8*sizeof(long) -1)) 247 # define INT_MAX ~(1 << (8*sizeof(int) -1)) 248 #endif 249 250 #ifndef ULONG_MAX 251 # define ULONG_MAX ~(OUL) 252 # define UINT_MAX ~(OU) 253 #endif 254 255 #ifndef SHORT_MAX 256 # define SHORT_MAX ~(1 << (8*sizeof(short) - 1)) 257 #else 258 # define USHORT_MAX ~(OUS) 259 #endif 260 261 #ifndef HAVE_INT8_T 262 typedef signed char int8_t; 263 # define HAVE_INT8_T 1 264 #endif 265 #ifndef HAVE_UINT8_T 266 typedef unsigned char uint8_t; 267 # define HAVE_UINT8_T 1 268 #endif 269 #ifndef HAVE_INT16_T 270 typedef signed short int16_t; 271 # define HAVE_INT16_T 1 272 #endif 273 #ifndef HAVE_UINT16_T 274 typedef unsigned short uint16_t; 275 # define HAVE_UINT16_T 1 276 #endif 277 278 #ifndef HAVE_INT32_T 279 # if SIZEOF_INT == 4 280 typedef signed int int32_t; 281 # elif SIZEOF_LONG == 4 282 typedef signed long int32_t; 283 # endif 284 # define HAVE_INT32_T 1 285 #endif 286 287 #ifndef HAVE_UINT32_T 288 # if SIZEOF_INT == 4 289 typedef unsigned int uint32_t; 290 # elif SIZEOF_LONG == 4 291 typedef unsigned long uint32_t; 292 # else 293 # error Cannot create a uint32_t type. 294 Choke Me. 295 # endif 296 # define HAVE_UINT32_T 1 297 #endif 298 299 #ifndef HAVE_INTPTR_T 300 # if SIZEOF_CHARP == SIZEOF_LONG 301 typedef signed long intptr_t; 302 # else 303 typedef signed int intptr_t; 304 # endif 305 # define HAVE_INTPTR_T 1 306 #endif 307 308 #ifndef HAVE_UINTPTR_T 309 # if SIZEOF_CHARP == SIZEOF_LONG 310 typedef unsigned long intptr_t; 311 # else 312 typedef unsigned int intptr_t; 313 # endif 314 # define HAVE_INTPTR_T 1 315 #endif 316 317 #ifndef HAVE_UINT_T 318 typedef unsigned int uint_t; 319 # define HAVE_UINT_T 1 320 #endif 321 322 #ifndef HAVE_SIZE_T 323 typedef unsigned int size_t; 324 # define HAVE_SIZE_T 1 325 #endif 326 #ifndef HAVE_WINT_T 327 typedef unsigned int wint_t; 328 # define HAVE_WINT_T 1 329 #endif 330 #ifndef HAVE_PID_T 331 typedef signed int pid_t; 332 # define HAVE_PID_T 1 333 #endif 334 335 /* redefine these for BSD style string libraries */ 336 #ifndef HAVE_STRCHR 337 # define strchr index 338 # define strrchr rindex 339 #endif 340 341 #ifdef USE_FOPEN_BINARY 342 # ifndef FOPEN_BINARY_FLAG 343 # define FOPEN_BINARY_FLAG "b" 344 # endif 345 # ifndef FOPEN_TEXT_FLAG 346 # define FOPEN_TEXT_FLAG "t" 347 # endif 348 #else 349 # ifndef FOPEN_BINARY_FLAG 350 # define FOPEN_BINARY_FLAG 351 # endif 352 # ifndef FOPEN_TEXT_FLAG 353 # define FOPEN_TEXT_FLAG 354 # endif 355 #endif 356 357 #ifndef STR 358 # define _STR(s) #s 359 # define STR(s) _STR(s) 360 #endif 361 362 /* ##### Pointer sized word ##### */ 363 364 /* FIXME: the MAX stuff in here is broken! */ 365 #if SIZEOF_CHARP > SIZEOF_INT 366 typedef long t_word; 367 #define WORD_MAX LONG_MAX 368 #define WORD_MIN LONG_MIN 369 #else /* SIZEOF_CHARP <= SIZEOF_INT */ 370 typedef int t_word; 371 #define WORD_MAX INT_MAX 372 #define WORD_MIN INT_MIN 373 #endif 374 375 #endif /* COMPAT_H_GUARD */ 376 377 /* 378 * Local Variables: 379 * mode: C 380 * c-file-style: "stroustrup" 381 * indent-tabs-mode: nil 382 * End: 383 * end of compat/compat.h */ 384