dist/ntp/libopts/compat/compat.h

   1 /*      $NetBSD$        */
   2
   3 /*  -*- Mode: C -*-  */
   4
   5 /* --- fake the preprocessor into handlng portability */
   6 /*
   7  *  Time-stamp:      "2007-02-03 17:41:06 bkorb"
   8  *
   9  * Author:           Gary V Vaughan <gvaughan@oranda.demon.co.uk>
  10  * Created:          Mon Jun 30 15:54:46 1997
  11  *
  12  * Id: compat.h,v 4.16 2007/04/27 01:10:47 bkorb Exp
  13  */
  14 #ifndef COMPAT_H_GUARD
  15 #define COMPAT_H_GUARD 1
  16
  17 #if defined(HAVE_CONFIG_H)
  18 #  include <config.h>
  19
  20 #elif defined(_WIN32) && !defined(__CYGWIN__)
  21 #  include "windows-config.h"
  22
  23 #else
  24 #  error "compat.h" requires "config.h"
  25    choke me.
  26 #endif
  27
  28
  29 #ifndef HAVE_STRSIGNAL
  30    char * strsignal( int signo );
  31 #endif
  32
  33 #define  _GNU_SOURCE    1 /* for strsignal in GNU's libc */
  34 #define  __USE_GNU      1 /* exact same thing as above   */
  35 #define  __EXTENSIONS__ 1 /* and another way to call for it */
  36
  37 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
  38  *
  39  *  SYSTEM HEADERS:
  40  */
  41 #include <sys/types.h>
  42 #ifdef HAVE_SYS_MMAN_H
  43 #  include <sys/mman.h>
  44 #endif
  45 #include <sys/param.h>
  46 #if HAVE_SYS_PROCSET_H
  47 #  include <sys/procset.h>
  48 #endif
  49 #include <sys/stat.h>
  50 #include <sys/wait.h>
  51
  52 #if defined( HAVE_SOLARIS_SYSINFO )
  53 #  include <sys/systeminfo.h>
  54 #elif defined( HAVE_UNAME_SYSCALL )
  55 #  include <sys/utsname.h>
  56 #endif
  57
  58 #ifdef DAEMON_ENABLED
  59 #  if HAVE_SYS_STROPTS_H
  60 #  include <sys/stropts.h>
  61 #  endif
  62
  63 #  if HAVE_SYS_SOCKET_H
  64 #  include <sys/socket.h>
  65 #  endif
  66
  67 #  if ! defined(HAVE_SYS_POLL_H) && ! defined(HAVE_SYS_SELECT_H)
  68 #    error This system cannot support daemon processing
  69      Choke Me.
  70 #  endif
  71
  72 #  if HAVE_SYS_POLL_H
  73 #  include <sys/poll.h>
  74 #  endif
  75
  76 #  if HAVE_SYS_SELECT_H
  77 #  include <sys/select.h>
  78 #  endif
  79
  80 #  if HAVE_NETINET_IN_H
  81 #  include <netinet/in.h>
  82 #  endif
  83
  84 #  if HAVE_SYS_UN_H
  85 #  include <sys/un.h>
  86 #  endif
  87 #endif
  88
  89 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
  90  *
  91  *  USER HEADERS:
  92  */
  93 #include <stdio.h>
  94 #include <assert.h>
  95 #include <ctype.h>
  96
  97 /*
  98  *  Directory opening stuff:
  99  */
 100 # if defined (_POSIX_SOURCE)
 101 /* Posix does not require that the d_ino field be present, and some
 102    systems do not provide it. */
 103 #    define REAL_DIR_ENTRY(dp) 1
 104 # else /* !_POSIX_SOURCE */
 105 #    define REAL_DIR_ENTRY(dp) (dp->d_ino != 0)
 106 # endif /* !_POSIX_SOURCE */
 107
 108 # if defined (HAVE_DIRENT_H)
 109 #   include <dirent.h>
 110 #   define D_NAMLEN(dirent) strlen((dirent)->d_name)
 111 # else /* !HAVE_DIRENT_H */
 112 #   define dirent direct
 113 #   define D_NAMLEN(dirent) (dirent)->d_namlen
 114 #   if defined (HAVE_SYS_NDIR_H)
 115 #     include <sys/ndir.h>
 116 #   endif /* HAVE_SYS_NDIR_H */
 117 #   if defined (HAVE_SYS_DIR_H)
 118 #     include <sys/dir.h>
 119 #   endif /* HAVE_SYS_DIR_H */
 120 #   if defined (HAVE_NDIR_H)
 121 #     include <ndir.h>
 122 #   endif /* HAVE_NDIR_H */
 123 # endif /* !HAVE_DIRENT_H */
 124
 125 #include <errno.h>
 126 #ifdef HAVE_FCNTL_H
 127 # include <fcntl.h>
 128 #endif
 129 #ifndef O_NONBLOCK
 130 # define O_NONBLOCK FNDELAY
 131 #endif
 132
 133 #if defined(HAVE_LIBGEN) && defined(HAVE_LIBGEN_H)
 134 #  include <libgen.h>
 135 #endif
 136
 137 #if defined(HAVE_LIMITS_H)  /* this is also in options.h */
 138 #  include <limits.h>
 139 #elif defined(HAVE_SYS_LIMITS_H)
 140 #  include <sys/limits.h>
 141 #endif /* HAVE_LIMITS/SYS_LIMITS_H */
 142
 143 #include <memory.h>
 144 #include <setjmp.h>
 145 #include <signal.h>
 146
 147 #if defined( HAVE_STDINT_H )
 148 #  include <stdint.h>
 149 #elif defined( HAVE_INTTYPES_H )
 150 #  include <inttypes.h>
 151 #endif
 152
 153 #include <stdlib.h>
 154 #include <string.h>
 155
 156 #include <time.h>
 157
 158 #ifdef HAVE_UTIME_H
 159 #  include <utime.h>
 160 #endif
 161
 162 #ifdef HAVE_UNISTD_H
 163 #  include <unistd.h>
 164 #endif
 165
 166 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 167  *
 168  *  FIXUPS and CONVIENCE STUFF:
 169  */
 170 #ifdef __cplusplus
 171 #   define EXTERN extern "C"
 172 #else
 173 #   define EXTERN extern
 174 #endif
 175
 176 /* some systems #def errno! and others do not declare it!! */
 177 #ifndef errno
 178    extern int errno;
 179 #endif
 180
 181 /* Some machines forget this! */
 182
 183 # ifndef EXIT_FAILURE
 184 #   define EXIT_SUCCESS 0
 185 #   define EXIT_FAILURE 1
 186 # endif
 187
 188 #ifndef NUL
 189 #  define NUL '\0'
 190 #endif
 191
 192 #ifndef NULL
 193 #  define NULL 0
 194 #endif
 195
 196 #if !defined (MAXPATHLEN) && defined (HAVE_SYS_PARAM_H)
 197 #  include <sys/param.h>
 198 #endif /* !MAXPATHLEN && HAVE_SYS_PARAM_H */
 199
 200 #if !defined (MAXPATHLEN) && defined (PATH_MAX)
 201 #  define MAXPATHLEN PATH_MAX
 202 #endif /* !MAXPATHLEN && PATH_MAX */
 203
 204 #if !defined (MAXPATHLEN) && defined(_MAX_PATH)
 205 #  define PATH_MAX _MAX_PATH
 206 #  define MAXPATHLEN _MAX_PATH
 207 #endif
 208
 209 #if !defined (MAXPATHLEN)
 210 #  define MAXPATHLEN ((size_t)4096)
 211 #endif /* MAXPATHLEN */
 212
 213 #define AG_PATH_MAX  ((size_t)MAXPATHLEN)
 214
 215 #ifndef LONG_MAX
 216 #  define LONG_MAX      ~(1L << (8*sizeof(long) -1))
 217 #  define INT_MAX       ~(1 << (8*sizeof(int) -1))
 218 #endif
 219
 220 #ifndef ULONG_MAX
 221 #  define ULONG_MAX     ~(OUL)
 222 #  define UINT_MAX      ~(OU)
 223 #endif
 224
 225 #ifndef SHORT_MAX
 226 #  define SHORT_MAX     ~(1 << (8*sizeof(short) -1))
 227 #else
 228 #  define USHORT_MAX    ~(OUS)
 229 #endif
 230
 231 #ifndef HAVE_INT8_T
 232   typedef signed char       int8_t;
 233 #endif
 234 #ifndef HAVE_UINT8_T
 235   typedef unsigned char     uint8_t;
 236 #endif
 237 #ifndef HAVE_INT16_T
 238   typedef signed short      int16_t;
 239 #endif
 240 #ifndef HAVE_UINT16_T
 241   typedef unsigned short    uint16_t;
 242 #endif
 243 #ifndef HAVE_UINT_T
 244   typedef unsigned int      uint_t;
 245 #endif
 246
 247 #ifndef HAVE_INT32_T
 248 # if SIZEOF_INT == 4
 249         typedef signed int      int32_t;
 250 # elif SIZEOF_LONG == 4
 251         typedef signed long     int32_t;
 252 # endif
 253 #endif
 254
 255 #ifndef HAVE_UINT32_T
 256 # if SIZEOF_INT == 4
 257         typedef unsigned int    uint32_t;
 258 # elif SIZEOF_LONG == 4
 259         typedef unsigned long   uint32_t;
 260 # else
 261 #   error Cannot create a uint32_t type.
 262     Choke Me.
 263 # endif
 264 #endif
 265
 266 #ifndef HAVE_INTPTR_T
 267   typedef signed long   intptr_t;
 268 #endif
 269 #ifndef HAVE_UINTPTR_T
 270   typedef unsigned long uintptr_t;
 271 #endif
 272
 273 /* redefine these for BSD style string libraries */
 274 #ifndef HAVE_STRCHR
 275 #  define strchr        index
 276 #  define strrchr       rindex
 277 #endif
 278
 279 #ifdef USE_FOPEN_BINARY
 280 #  ifndef FOPEN_BINARY_FLAG
 281 #    define FOPEN_BINARY_FLAG   "b"
 282 #  endif
 283 #  ifndef FOPEN_TEXT_FLAG
 284 #    define FOPEN_TEXT_FLAG     "t"
 285 #  endif
 286 #else
 287 #  ifndef FOPEN_BINARY_FLAG
 288 #    define FOPEN_BINARY_FLAG
 289 #  endif
 290 #  ifndef FOPEN_TEXT_FLAG
 291 #    define FOPEN_TEXT_FLAG
 292 #  endif
 293 #endif
 294
 295 #ifndef STR
 296 #  define _STR(s) #s
 297 #  define STR(s)  _STR(s)
 298 #endif
 299
 300 /* ##### Pointer sized word ##### */
 301
 302 /* FIXME:  the MAX stuff in here is broken! */
 303 #if SIZEOF_CHARP > SIZEOF_INT
 304    typedef long t_word;
 305    #define WORD_MAX  LONG_MAX
 306    #define WORD_MIN  LONG_MIN
 307 #else /* SIZEOF_CHARP <= SIZEOF_INT */
 308    typedef int t_word;
 309    #define WORD_MAX  INT_MAX
 310    #define WORD_MIN  INT_MIN
 311 #endif
 312
 313 #endif /* COMPAT_H_GUARD */
 314
 315 /*
 316  * Local Variables:
 317  * mode: C
 318  * c-file-style: "stroustrup"
 319  * indent-tabs-mode: nil
 320  * End:
 321  * end of compat/compat.h */