Annotation of embedaddon/ntp/sntp/libopts/compat/compat.h, revision 1.1
1.1 ! misho 1: /* -*- Mode: C -*- */
! 2:
! 3: /**
! 4: * \file compat.h --- fake the preprocessor into handlng portability
! 5: *
! 6: * Time-stamp: "2010-07-16 15:11:57 bkorb"
! 7: *
! 8: * compat.h is free software.
! 9: * This file is part of AutoGen.
! 10: *
! 11: * AutoGen Copyright (c) 1992-2011 by Bruce Korb - all rights reserved
! 12: *
! 13: * AutoGen is free software: you can redistribute it and/or modify it
! 14: * under the terms of the GNU General Public License as published by the
! 15: * Free Software Foundation, either version 3 of the License, or
! 16: * (at your option) any later version.
! 17: *
! 18: * AutoGen is distributed in the hope that it will be useful, but
! 19: * WITHOUT ANY WARRANTY; without even the implied warranty of
! 20: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
! 21: * See the GNU General Public License for more details.
! 22: *
! 23: * You should have received a copy of the GNU General Public License along
! 24: * with this program. If not, see <http://www.gnu.org/licenses/>.
! 25: *
! 26: * As a special exception, Bruce Korb gives permission for additional
! 27: * uses of the text contained in the release of compat.h.
! 28: *
! 29: * The exception is that, if you link the compat.h library with other
! 30: * files to produce an executable, this does not by itself cause the
! 31: * resulting executable to be covered by the GNU General Public License.
! 32: * Your use of that executable is in no way restricted on account of
! 33: * linking the compat.h library code into it.
! 34: *
! 35: * This exception does not however invalidate any other reasons why
! 36: * the executable file might be covered by the GNU General Public License.
! 37: *
! 38: * This exception applies only to the code released by Bruce Korb under
! 39: * the name compat.h. If you copy code from other sources under the
! 40: * General Public License into a copy of compat.h, as the General Public
! 41: * License permits, the exception does not apply to the code that you add
! 42: * in this way. To avoid misleading anyone as to the status of such
! 43: * modified files, you must delete this exception notice from them.
! 44: *
! 45: * If you write modifications of your own for compat.h, it is your choice
! 46: * whether to permit this exception to apply to your modifications.
! 47: * If you do not wish that, delete this exception notice.
! 48: */
! 49: #ifndef COMPAT_H_GUARD
! 50: #define COMPAT_H_GUARD 1
! 51:
! 52: #if defined(HAVE_CONFIG_H)
! 53: # include <config.h>
! 54:
! 55: #elif defined(_WIN32) && !defined(__CYGWIN__)
! 56: # include "windows-config.h"
! 57:
! 58: #else
! 59: # error "compat.h" requires "config.h"
! 60: choke me.
! 61: #endif
! 62:
! 63:
! 64: #ifndef HAVE_STRSIGNAL
! 65: char * strsignal( int signo );
! 66: #endif
! 67:
! 68: #define _GNU_SOURCE 1 /* for strsignal in GNU's libc */
! 69: #define __USE_GNU 1 /* exact same thing as above */
! 70: #define __EXTENSIONS__ 1 /* and another way to call for it */
! 71:
! 72: /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
! 73: *
! 74: * SYSTEM HEADERS:
! 75: */
! 76: #include <sys/types.h>
! 77: #ifdef HAVE_SYS_MMAN_H
! 78: # include <sys/mman.h>
! 79: #endif
! 80: #include <sys/param.h>
! 81: #if HAVE_SYS_PROCSET_H
! 82: # include <sys/procset.h>
! 83: #endif
! 84: #include <sys/stat.h>
! 85: #include <sys/wait.h>
! 86:
! 87: #if defined( HAVE_SOLARIS_SYSINFO )
! 88: # include <sys/systeminfo.h>
! 89: #elif defined( HAVE_UNAME_SYSCALL )
! 90: # include <sys/utsname.h>
! 91: #endif
! 92:
! 93: #ifdef DAEMON_ENABLED
! 94: # if HAVE_SYS_STROPTS_H
! 95: # include <sys/stropts.h>
! 96: # endif
! 97:
! 98: # if HAVE_SYS_SOCKET_H
! 99: # include <sys/socket.h>
! 100: # endif
! 101:
! 102: # if ! defined(HAVE_SYS_POLL_H) && ! defined(HAVE_SYS_SELECT_H)
! 103: # error This system cannot support daemon processing
! 104: Choke Me.
! 105: # endif
! 106:
! 107: # if HAVE_SYS_POLL_H
! 108: # include <sys/poll.h>
! 109: # endif
! 110:
! 111: # if HAVE_SYS_SELECT_H
! 112: # include <sys/select.h>
! 113: # endif
! 114:
! 115: # if HAVE_NETINET_IN_H
! 116: # include <netinet/in.h>
! 117: # endif
! 118:
! 119: # if HAVE_SYS_UN_H
! 120: # include <sys/un.h>
! 121: # endif
! 122: #endif
! 123:
! 124: /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
! 125: *
! 126: * USER HEADERS:
! 127: */
! 128: #include <stdio.h>
! 129: #include <assert.h>
! 130: #include <ctype.h>
! 131:
! 132: /*
! 133: * Directory opening stuff:
! 134: */
! 135: # if defined (_POSIX_SOURCE)
! 136: /* Posix does not require that the d_ino field be present, and some
! 137: systems do not provide it. */
! 138: # define REAL_DIR_ENTRY(dp) 1
! 139: # else /* !_POSIX_SOURCE */
! 140: # define REAL_DIR_ENTRY(dp) (dp->d_ino != 0)
! 141: # endif /* !_POSIX_SOURCE */
! 142:
! 143: # if defined (HAVE_DIRENT_H)
! 144: # include <dirent.h>
! 145: # define D_NAMLEN(dirent) strlen((dirent)->d_name)
! 146: # else /* !HAVE_DIRENT_H */
! 147: # define dirent direct
! 148: # define D_NAMLEN(dirent) (dirent)->d_namlen
! 149: # if defined (HAVE_SYS_NDIR_H)
! 150: # include <sys/ndir.h>
! 151: # endif /* HAVE_SYS_NDIR_H */
! 152: # if defined (HAVE_SYS_DIR_H)
! 153: # include <sys/dir.h>
! 154: # endif /* HAVE_SYS_DIR_H */
! 155: # if defined (HAVE_NDIR_H)
! 156: # include <ndir.h>
! 157: # endif /* HAVE_NDIR_H */
! 158: # endif /* !HAVE_DIRENT_H */
! 159:
! 160: #include <errno.h>
! 161: #ifdef HAVE_FCNTL_H
! 162: # include <fcntl.h>
! 163: #endif
! 164: #ifndef O_NONBLOCK
! 165: # define O_NONBLOCK FNDELAY
! 166: #endif
! 167:
! 168: #if defined(HAVE_LIBGEN) && defined(HAVE_LIBGEN_H)
! 169: # include <libgen.h>
! 170: #endif
! 171:
! 172: #if defined(HAVE_LIMITS_H) /* this is also in options.h */
! 173: # include <limits.h>
! 174: #elif defined(HAVE_SYS_LIMITS_H)
! 175: # include <sys/limits.h>
! 176: #endif /* HAVE_LIMITS/SYS_LIMITS_H */
! 177:
! 178: #include <memory.h>
! 179: #include <setjmp.h>
! 180: #include <signal.h>
! 181:
! 182: #if defined( HAVE_STDINT_H )
! 183: # include <stdint.h>
! 184: #elif defined( HAVE_INTTYPES_H )
! 185: # include <inttypes.h>
! 186: #endif
! 187:
! 188: #include <stdlib.h>
! 189: #include <string.h>
! 190:
! 191: #include <time.h>
! 192:
! 193: #ifdef HAVE_UTIME_H
! 194: # include <utime.h>
! 195: #endif
! 196:
! 197: #ifdef HAVE_UNISTD_H
! 198: # include <unistd.h>
! 199: #endif
! 200:
! 201: /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
! 202: *
! 203: * FIXUPS and CONVIENCE STUFF:
! 204: */
! 205: #ifdef __cplusplus
! 206: # define EXTERN extern "C"
! 207: #else
! 208: # define EXTERN extern
! 209: #endif
! 210:
! 211: /* some systems #def errno! and others do not declare it!! */
! 212: #ifndef errno
! 213: extern int errno;
! 214: #endif
! 215:
! 216: /* Some machines forget this! */
! 217:
! 218: # ifndef EXIT_FAILURE
! 219: # define EXIT_SUCCESS 0
! 220: # define EXIT_FAILURE 1
! 221: # endif
! 222:
! 223: #ifndef NUL
! 224: # define NUL '\0'
! 225: #endif
! 226:
! 227: #ifndef NULL
! 228: # define NULL 0
! 229: #endif
! 230:
! 231: #if !defined (MAXPATHLEN) && defined (HAVE_SYS_PARAM_H)
! 232: # include <sys/param.h>
! 233: #endif /* !MAXPATHLEN && HAVE_SYS_PARAM_H */
! 234:
! 235: #if !defined (MAXPATHLEN) && defined (PATH_MAX)
! 236: # define MAXPATHLEN PATH_MAX
! 237: #endif /* !MAXPATHLEN && PATH_MAX */
! 238:
! 239: #if !defined (MAXPATHLEN) && defined(_MAX_PATH)
! 240: # define PATH_MAX _MAX_PATH
! 241: # define MAXPATHLEN _MAX_PATH
! 242: #endif
! 243:
! 244: #if !defined (MAXPATHLEN)
! 245: # define MAXPATHLEN ((size_t)4096)
! 246: #endif /* MAXPATHLEN */
! 247:
! 248: #define AG_PATH_MAX ((size_t)MAXPATHLEN)
! 249:
! 250: #ifndef LONG_MAX
! 251: # define LONG_MAX ~(1L << (8*sizeof(long) -1))
! 252: # define INT_MAX ~(1 << (8*sizeof(int) -1))
! 253: #endif
! 254:
! 255: #ifndef ULONG_MAX
! 256: # define ULONG_MAX ~(OUL)
! 257: # define UINT_MAX ~(OU)
! 258: #endif
! 259:
! 260: #ifndef SHORT_MAX
! 261: # define SHORT_MAX ~(1 << (8*sizeof(short) - 1))
! 262: #else
! 263: # define USHORT_MAX ~(OUS)
! 264: #endif
! 265:
! 266: #ifndef HAVE_INT8_T
! 267: typedef signed char int8_t;
! 268: # define HAVE_INT8_T 1
! 269: #endif
! 270: #ifndef HAVE_UINT8_T
! 271: typedef unsigned char uint8_t;
! 272: # define HAVE_UINT8_T 1
! 273: #endif
! 274: #ifndef HAVE_INT16_T
! 275: typedef signed short int16_t;
! 276: # define HAVE_INT16_T 1
! 277: #endif
! 278: #ifndef HAVE_UINT16_T
! 279: typedef unsigned short uint16_t;
! 280: # define HAVE_UINT16_T 1
! 281: #endif
! 282:
! 283: #ifndef HAVE_INT32_T
! 284: # if SIZEOF_INT == 4
! 285: typedef signed int int32_t;
! 286: # elif SIZEOF_LONG == 4
! 287: typedef signed long int32_t;
! 288: # endif
! 289: # define HAVE_INT32_T 1
! 290: #endif
! 291:
! 292: #ifndef HAVE_UINT32_T
! 293: # if SIZEOF_INT == 4
! 294: typedef unsigned int uint32_t;
! 295: # elif SIZEOF_LONG == 4
! 296: typedef unsigned long uint32_t;
! 297: # else
! 298: # error Cannot create a uint32_t type.
! 299: Choke Me.
! 300: # endif
! 301: # define HAVE_UINT32_T 1
! 302: #endif
! 303:
! 304: #ifndef HAVE_INTPTR_T
! 305: # if SIZEOF_CHARP == SIZEOF_LONG
! 306: typedef signed long intptr_t;
! 307: # else
! 308: typedef signed int intptr_t;
! 309: # endif
! 310: # define HAVE_INTPTR_T 1
! 311: #endif
! 312:
! 313: #ifndef HAVE_UINTPTR_T
! 314: # if SIZEOF_CHARP == SIZEOF_LONG
! 315: typedef unsigned long intptr_t;
! 316: # else
! 317: typedef unsigned int intptr_t;
! 318: # endif
! 319: # define HAVE_INTPTR_T 1
! 320: #endif
! 321:
! 322: #ifndef HAVE_UINT_T
! 323: typedef unsigned int uint_t;
! 324: # define HAVE_UINT_T 1
! 325: #endif
! 326:
! 327: #ifndef HAVE_SIZE_T
! 328: typedef unsigned int size_t;
! 329: # define HAVE_SIZE_T 1
! 330: #endif
! 331: #ifndef HAVE_WINT_T
! 332: typedef unsigned int wint_t;
! 333: # define HAVE_WINT_T 1
! 334: #endif
! 335: #ifndef HAVE_PID_T
! 336: typedef signed int pid_t;
! 337: # define HAVE_PID_T 1
! 338: #endif
! 339:
! 340: /* redefine these for BSD style string libraries */
! 341: #ifndef HAVE_STRCHR
! 342: # define strchr index
! 343: # define strrchr rindex
! 344: #endif
! 345:
! 346: #ifdef USE_FOPEN_BINARY
! 347: # ifndef FOPEN_BINARY_FLAG
! 348: # define FOPEN_BINARY_FLAG "b"
! 349: # endif
! 350: # ifndef FOPEN_TEXT_FLAG
! 351: # define FOPEN_TEXT_FLAG "t"
! 352: # endif
! 353: #else
! 354: # ifndef FOPEN_BINARY_FLAG
! 355: # define FOPEN_BINARY_FLAG
! 356: # endif
! 357: # ifndef FOPEN_TEXT_FLAG
! 358: # define FOPEN_TEXT_FLAG
! 359: # endif
! 360: #endif
! 361:
! 362: #ifndef STR
! 363: # define _STR(s) #s
! 364: # define STR(s) _STR(s)
! 365: #endif
! 366:
! 367: /* ##### Pointer sized word ##### */
! 368:
! 369: /* FIXME: the MAX stuff in here is broken! */
! 370: #if SIZEOF_CHARP > SIZEOF_INT
! 371: typedef long t_word;
! 372: #define WORD_MAX LONG_MAX
! 373: #define WORD_MIN LONG_MIN
! 374: #else /* SIZEOF_CHARP <= SIZEOF_INT */
! 375: typedef int t_word;
! 376: #define WORD_MAX INT_MAX
! 377: #define WORD_MIN INT_MIN
! 378: #endif
! 379:
! 380: #endif /* COMPAT_H_GUARD */
! 381:
! 382: /*
! 383: * Local Variables:
! 384: * mode: C
! 385: * c-file-style: "stroustrup"
! 386: * indent-tabs-mode: nil
! 387: * End:
! 388: * end of compat/compat.h */
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