external/bsd/ntp/dist/sntp/libopts/compat/compat.h

   1 /*      $NetBSD$        */
   2
   3 /*  -*- Mode: C -*-  */
   4
   5 /* compat.h --- fake the preprocessor into handlng portability
   6  *
   7  *  Time-stamp:      "2009-10-18 11:14:14 bkorb"
   8  *
   9  * Id: 27c1eb45f171295ab6176280aeca742cfdbe9fed
  10  *
  11  *  compat.h is free software.
  12  *  This file is part of AutoGen.
  13  *
  14  *  AutoGen copyright (c) 1992-2009 by Bruce Korb - all rights reserved
  15  *
  16  *  AutoGen is free software: you can redistribute it and/or modify it
  17  *  under the terms of the GNU General Public License as published by the
  18  *  Free Software Foundation, either version 3 of the License, or
  19  *  (at your option) any later version.
  20  *
  21  *  AutoGen is distributed in the hope that it will be useful, but
  22  *  WITHOUT ANY WARRANTY; without even the implied warranty of
  23  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  24  *  See the GNU General Public License for more details.
  25  *
  26  *  You should have received a copy of the GNU General Public License along
  27  *  with this program.  If not, see <http://www.gnu.org/licenses/>.
  28  *
  29  *  As a special exception, Bruce Korb gives permission for additional
  30  *  uses of the text contained in the release of compat.h.
  31  *
  32  *  The exception is that, if you link the compat.h library with other
  33  *  files to produce an executable, this does not by itself cause the
  34  *  resulting executable to be covered by the GNU General Public License.
  35  *  Your use of that executable is in no way restricted on account of
  36  *  linking the compat.h library code into it.
  37  *
  38  *  This exception does not however invalidate any other reasons why
  39  *  the executable file might be covered by the GNU General Public License.
  40  *
  41  *  This exception applies only to the code released by Bruce Korb under
  42  *  the name compat.h.  If you copy code from other sources under the
  43  *  General Public License into a copy of compat.h, as the General Public
  44  *  License permits, the exception does not apply to the code that you add
  45  *  in this way.  To avoid misleading anyone as to the status of such
  46  *  modified files, you must delete this exception notice from them.
  47  *
  48  *  If you write modifications of your own for compat.h, it is your choice
  49  *  whether to permit this exception to apply to your modifications.
  50  *  If you do not wish that, delete this exception notice.
  51  */
  52 #ifndef COMPAT_H_GUARD
  53 #define COMPAT_H_GUARD 1
  54
  55 #if defined(HAVE_CONFIG_H)
  56 #  include <config.h>
  57
  58 #elif defined(_WIN32) && !defined(__CYGWIN__)
  59 #  include "windows-config.h"
  60
  61 #else
  62 #  error "compat.h" requires "config.h"
  63    choke me.
  64 #endif
  65
  66
  67 #ifndef HAVE_STRSIGNAL
  68    char * strsignal( int signo );
  69 #endif
  70
  71 #define  _GNU_SOURCE    1 /* for strsignal in GNU's libc */
  72 #define  __USE_GNU      1 /* exact same thing as above   */
  73 #define  __EXTENSIONS__ 1 /* and another way to call for it */
  74
  75 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
  76  *
  77  *  SYSTEM HEADERS:
  78  */
  79 #include <sys/types.h>
  80 #ifdef HAVE_SYS_MMAN_H
  81 #  include <sys/mman.h>
  82 #endif
  83 #include <sys/param.h>
  84 #if HAVE_SYS_PROCSET_H
  85 #  include <sys/procset.h>
  86 #endif
  87 #include <sys/stat.h>
  88 #include <sys/wait.h>
  89
  90 #if defined( HAVE_SOLARIS_SYSINFO )
  91 #  include <sys/systeminfo.h>
  92 #elif defined( HAVE_UNAME_SYSCALL )
  93 #  include <sys/utsname.h>
  94 #endif
  95
  96 #ifdef DAEMON_ENABLED
  97 #  if HAVE_SYS_STROPTS_H
  98 #  include <sys/stropts.h>
  99 #  endif
 100
 101 #  if HAVE_SYS_SOCKET_H
 102 #  include <sys/socket.h>
 103 #  endif
 104
 105 #  if ! defined(HAVE_SYS_POLL_H) && ! defined(HAVE_SYS_SELECT_H)
 106 #    error This system cannot support daemon processing
 107      Choke Me.
 108 #  endif
 109
 110 #  if HAVE_SYS_POLL_H
 111 #  include <sys/poll.h>
 112 #  endif
 113
 114 #  if HAVE_SYS_SELECT_H
 115 #  include <sys/select.h>
 116 #  endif
 117
 118 #  if HAVE_NETINET_IN_H
 119 #  include <netinet/in.h>
 120 #  endif
 121
 122 #  if HAVE_SYS_UN_H
 123 #  include <sys/un.h>
 124 #  endif
 125 #endif
 126
 127 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 128  *
 129  *  USER HEADERS:
 130  */
 131 #include <stdio.h>
 132 #include <assert.h>
 133 #include <ctype.h>
 134
 135 /*
 136  *  Directory opening stuff:
 137  */
 138 # if defined (_POSIX_SOURCE)
 139 /* Posix does not require that the d_ino field be present, and some
 140    systems do not provide it. */
 141 #    define REAL_DIR_ENTRY(dp) 1
 142 # else /* !_POSIX_SOURCE */
 143 #    define REAL_DIR_ENTRY(dp) (dp->d_ino != 0)
 144 # endif /* !_POSIX_SOURCE */
 145
 146 # if defined (HAVE_DIRENT_H)
 147 #   include <dirent.h>
 148 #   define D_NAMLEN(dirent) strlen((dirent)->d_name)
 149 # else /* !HAVE_DIRENT_H */
 150 #   define dirent direct
 151 #   define D_NAMLEN(dirent) (dirent)->d_namlen
 152 #   if defined (HAVE_SYS_NDIR_H)
 153 #     include <sys/ndir.h>
 154 #   endif /* HAVE_SYS_NDIR_H */
 155 #   if defined (HAVE_SYS_DIR_H)
 156 #     include <sys/dir.h>
 157 #   endif /* HAVE_SYS_DIR_H */
 158 #   if defined (HAVE_NDIR_H)
 159 #     include <ndir.h>
 160 #   endif /* HAVE_NDIR_H */
 161 # endif /* !HAVE_DIRENT_H */
 162
 163 #include <errno.h>
 164 #ifdef HAVE_FCNTL_H
 165 # include <fcntl.h>
 166 #endif
 167 #ifndef O_NONBLOCK
 168 # define O_NONBLOCK FNDELAY
 169 #endif
 170
 171 #if defined(HAVE_LIBGEN) && defined(HAVE_LIBGEN_H)
 172 #  include <libgen.h>
 173 #endif
 174
 175 #if defined(HAVE_LIMITS_H)  /* this is also in options.h */
 176 #  include <limits.h>
 177 #elif defined(HAVE_SYS_LIMITS_H)
 178 #  include <sys/limits.h>
 179 #endif /* HAVE_LIMITS/SYS_LIMITS_H */
 180
 181 #include <memory.h>
 182 #include <setjmp.h>
 183 #include <signal.h>
 184
 185 #if defined( HAVE_STDINT_H )
 186 #  include <stdint.h>
 187 #elif defined( HAVE_INTTYPES_H )
 188 #  include <inttypes.h>
 189 #endif
 190
 191 #include <stdlib.h>
 192 #include <string.h>
 193
 194 #include <time.h>
 195
 196 #ifdef HAVE_UTIME_H
 197 #  include <utime.h>
 198 #endif
 199
 200 #ifdef HAVE_UNISTD_H
 201 #  include <unistd.h>
 202 #endif
 203
 204 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 205  *
 206  *  FIXUPS and CONVIENCE STUFF:
 207  */
 208 #ifdef __cplusplus
 209 #   define EXTERN extern "C"
 210 #else
 211 #   define EXTERN extern
 212 #endif
 213
 214 /* some systems #def errno! and others do not declare it!! */
 215 #ifndef errno
 216    extern int errno;
 217 #endif
 218
 219 /* Some machines forget this! */
 220
 221 # ifndef EXIT_FAILURE
 222 #   define EXIT_SUCCESS 0
 223 #   define EXIT_FAILURE 1
 224 # endif
 225
 226 #ifndef NUL
 227 #  define NUL '\0'
 228 #endif
 229
 230 #ifndef NULL
 231 #  define NULL 0
 232 #endif
 233
 234 #if !defined (MAXPATHLEN) && defined (HAVE_SYS_PARAM_H)
 235 #  include <sys/param.h>
 236 #endif /* !MAXPATHLEN && HAVE_SYS_PARAM_H */
 237
 238 #if !defined (MAXPATHLEN) && defined (PATH_MAX)
 239 #  define MAXPATHLEN PATH_MAX
 240 #endif /* !MAXPATHLEN && PATH_MAX */
 241
 242 #if !defined (MAXPATHLEN) && defined(_MAX_PATH)
 243 #  define PATH_MAX _MAX_PATH
 244 #  define MAXPATHLEN _MAX_PATH
 245 #endif
 246
 247 #if !defined (MAXPATHLEN)
 248 #  define MAXPATHLEN ((size_t)4096)
 249 #endif /* MAXPATHLEN */
 250
 251 #define AG_PATH_MAX  ((size_t)MAXPATHLEN)
 252
 253 #ifndef LONG_MAX
 254 #  define LONG_MAX      ~(1L << (8*sizeof(long) -1))
 255 #  define INT_MAX       ~(1 << (8*sizeof(int) -1))
 256 #endif
 257
 258 #ifndef ULONG_MAX
 259 #  define ULONG_MAX     ~(OUL)
 260 #  define UINT_MAX      ~(OU)
 261 #endif
 262
 263 #ifndef SHORT_MAX
 264 #  define SHORT_MAX     ~(1 << (8*sizeof(short) - 1))
 265 #else
 266 #  define USHORT_MAX    ~(OUS)
 267 #endif
 268
 269 #ifndef HAVE_INT8_T
 270   typedef signed char           int8_t;
 271 # define  HAVE_INT8_T           1
 272 #endif
 273 #ifndef HAVE_UINT8_T
 274   typedef unsigned char         uint8_t;
 275 # define  HAVE_UINT8_T          1
 276 #endif
 277 #ifndef HAVE_INT16_T
 278   typedef signed short          int16_t;
 279 # define  HAVE_INT16_T          1
 280 #endif
 281 #ifndef HAVE_UINT16_T
 282   typedef unsigned short        uint16_t;
 283 # define  HAVE_UINT16_T         1
 284 #endif
 285
 286 #ifndef HAVE_INT32_T
 287 # if SIZEOF_INT ==              4
 288     typedef signed int          int32_t;
 289 # elif SIZEOF_LONG ==           4
 290     typedef signed long         int32_t;
 291 # endif
 292 # define  HAVE_INT32_T          1
 293 #endif
 294
 295 #ifndef HAVE_UINT32_T
 296 # if SIZEOF_INT ==              4
 297     typedef unsigned int        uint32_t;
 298 # elif SIZEOF_LONG ==           4
 299     typedef unsigned long       uint32_t;
 300 # else
 301 #   error Cannot create a uint32_t type.
 302     Choke Me.
 303 # endif
 304 # define  HAVE_UINT32_T         1
 305 #endif
 306
 307 #ifndef HAVE_INTPTR_T
 308 # if SIZEOF_CHARP == SIZEOF_LONG
 309     typedef signed long         intptr_t;
 310 # else
 311     typedef signed int          intptr_t;
 312 # endif
 313 # define  HAVE_INTPTR_T         1
 314 #endif
 315
 316 #ifndef HAVE_UINTPTR_T
 317 # if SIZEOF_CHARP == SIZEOF_LONG
 318     typedef unsigned long       intptr_t;
 319 # else
 320     typedef unsigned int        intptr_t;
 321 # endif
 322 # define  HAVE_INTPTR_T         1
 323 #endif
 324
 325 #ifndef HAVE_UINT_T
 326   typedef unsigned int          uint_t;
 327 # define  HAVE_UINT_T           1
 328 #endif
 329
 330 #ifndef HAVE_SIZE_T
 331   typedef unsigned int          size_t;
 332 # define  HAVE_SIZE_T           1
 333 #endif
 334 #ifndef HAVE_WINT_T
 335   typedef unsigned int          wint_t;
 336 # define  HAVE_WINT_T           1
 337 #endif
 338 #ifndef HAVE_PID_T
 339   typedef signed int            pid_t;
 340 # define  HAVE_PID_T            1
 341 #endif
 342
 343 /* redefine these for BSD style string libraries */
 344 #ifndef HAVE_STRCHR
 345 #  define strchr            index
 346 #  define strrchr           rindex
 347 #endif
 348
 349 #ifdef USE_FOPEN_BINARY
 350 #  ifndef FOPEN_BINARY_FLAG
 351 #    define FOPEN_BINARY_FLAG   "b"
 352 #  endif
 353 #  ifndef FOPEN_TEXT_FLAG
 354 #    define FOPEN_TEXT_FLAG     "t"
 355 #  endif
 356 #else
 357 #  ifndef FOPEN_BINARY_FLAG
 358 #    define FOPEN_BINARY_FLAG
 359 #  endif
 360 #  ifndef FOPEN_TEXT_FLAG
 361 #    define FOPEN_TEXT_FLAG
 362 #  endif
 363 #endif
 364
 365 #ifndef STR
 366 #  define _STR(s) #s
 367 #  define STR(s)  _STR(s)
 368 #endif
 369
 370 /* ##### Pointer sized word ##### */
 371
 372 /* FIXME:  the MAX stuff in here is broken! */
 373 #if SIZEOF_CHARP > SIZEOF_INT
 374    typedef long t_word;
 375    #define WORD_MAX  LONG_MAX
 376    #define WORD_MIN  LONG_MIN
 377 #else /* SIZEOF_CHARP <= SIZEOF_INT */
 378    typedef int t_word;
 379    #define WORD_MAX  INT_MAX
 380    #define WORD_MIN  INT_MIN
 381 #endif
 382
 383 #endif /* COMPAT_H_GUARD */
 384
 385 /*
 386  * Local Variables:
 387  * mode: C
 388  * c-file-style: "stroustrup"
 389  * indent-tabs-mode: nil
 390  * End:
 391  * end of compat/compat.h */