include/config.h

   1 /*
   2  * $Id: config.h,v 1.23 2006/09/03 04:09:35 hno Exp $
   3  *
   4  * AUTHOR: Duane Wessels
   5  *
   6  * SQUID Web Proxy Cache          http://www.squid-cache.org/
   7  * ----------------------------------------------------------
   8  *
   9  *  Squid is the result of efforts by numerous individuals from
  10  *  the Internet community; see the CONTRIBUTORS file for full
  11  *  details.   Many organizations have provided support for Squid's
  12  *  development; see the SPONSORS file for full details.  Squid is
  13  *  Copyrighted (C) 2001 by the Regents of the University of
  14  *  California; see the COPYRIGHT file for full details.  Squid
  15  *  incorporates software developed and/or copyrighted by other
  16  *  sources; see the CREDITS file for full details.
  17  *
  18  *  This program is free software; you can redistribute it and/or modify
  19  *  it under the terms of the GNU General Public License as published by
  20  *  the Free Software Foundation; either version 2 of the License, or
  21  *  (at your option) any later version.
  22  *
  23  *  This program is distributed in the hope that it will be useful,
  24  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  25  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  26  *  GNU General Public License for more details.
  27  *
  28  *  You should have received a copy of the GNU General Public License
  29  *  along with this program; if not, write to the Free Software
  30  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
  31  *
  32  */
  33
  34 #ifndef SQUID_CONFIG_H
  35 #define SQUID_CONFIG_H
  36
  37 #include "autoconf.h"           /* For GNU autoconf variables */
  38 #include "version.h"
  39
  40 /* To keep API definitions clear */
  41 #ifdef __cplusplus
  42 #define SQUIDCEXTERN extern "C"
  43 #else
  44 #define SQUIDCEXTERN extern
  45 #endif
  46
  47 /****************************************************************************
  48  *--------------------------------------------------------------------------*
  49  * DO *NOT* MAKE ANY CHANGES below here unless you know what you're doing...*
  50  *--------------------------------------------------------------------------*
  51  ****************************************************************************/
  52
  53 #ifdef USE_POSIX_REGEX
  54 #ifndef USE_RE_SYNTAX
  55 #define USE_RE_SYNTAX   REG_EXTENDED    /* default Syntax */
  56 #endif
  57 #endif
  58
  59 /* define the _SQUID_TYPE_ based on a guess of the OS */
  60 #if defined(__sun__) || defined(__sun)  /* SUN */
  61 #define _SQUID_SUN_
  62 #if defined(__SVR4)             /* SOLARIS */
  63 #define _SQUID_SOLARIS_
  64 #else /* SUNOS */
  65 #define _SQUID_SUNOS_
  66 #endif
  67
  68 #elif defined(__hpux)           /* HP-UX - SysV-like? */
  69 #define _SQUID_HPUX_
  70 #define _SQUID_SYSV_
  71
  72 #elif defined(__osf__)          /* OSF/1 */
  73 #define _SQUID_OSF_
  74
  75 #elif defined(__ultrix)         /* Ultrix */
  76 #define _SQUID_ULTRIX_
  77
  78 #elif defined(_AIX)             /* AIX */
  79 #define _SQUID_AIX_
  80
  81 #elif defined(__linux__)        /* Linux */
  82 #define _SQUID_LINUX_
  83 #if USE_ASYNC_IO
  84 #define _SQUID_LINUX_THREADS_
  85 #endif
  86
  87 #elif defined(__FreeBSD__)      /* FreeBSD */
  88 #define _SQUID_FREEBSD_
  89 #if USE_ASYNC_IO && defined(LINUXTHREADS)
  90 #define _SQUID_LINUX_THREADS_
  91 #endif
  92
  93 #elif defined(__sgi__)  || defined(sgi) || defined(__sgi)       /* SGI */
  94 #define _SQUID_SGI_
  95 #if !defined(_SVR4_SOURCE)
  96 #define _SVR4_SOURCE            /* for tempnam(3) */
  97 #endif
  98 #if USE_ASYNC_IO
  99 #define _ABI_SOURCE
 100 #endif /* USE_ASYNC_IO */
 101
 102 #elif defined(__NeXT__)
 103 #define _SQUID_NEXT_
 104
 105 #elif defined(__bsdi__)
 106 #define _SQUID_BSDI_            /* BSD/OS */
 107
 108 #elif defined(__NetBSD__)
 109 #define _SQUID_NETBSD_
 110
 111 #elif defined(__OpenBSD__)
 112 #define _SQUID_OPENBSD_
 113
 114 #elif defined(__CYGWIN32__)  || defined(__CYGWIN__)
 115 #define _SQUID_CYGWIN_
 116 #define _SQUID_WIN32_
 117
 118 #elif defined(WIN32) || defined(WINNT) || defined(__WIN32__) || defined(__WIN32)
 119 #define _SQUID_MSWIN_
 120 #define _SQUID_WIN32_
 121 #include "squid_mswin.h"
 122
 123 #elif defined(__APPLE__)
 124 #define _SQUID_APPLE_
 125
 126 #elif defined(sony_news) && defined(__svr4)
 127 #define _SQUID_NEWSOS6_
 128
 129 #elif defined(__EMX__) || defined(OS2) || defined(__OS2__)
 130 #define _SQUID_OS2_
 131 /*
 132  *  FIXME: the os2 port of bash seems to have problems checking
 133  *  the return codes of programs in if statements.  These options
 134  *  need to be overridden.
 135  */
 136 #endif
 137
 138 /* FD_SETSIZE must be redefined before including sys/types.h */
 139
 140 /*
 141  * On some systems, FD_SETSIZE is set to something lower than the
 142  * actual number of files which can be opened.  IRIX is one case,
 143  * NetBSD is another.  So here we increase FD_SETSIZE to our
 144  * configure-discovered maximum *before* any system includes.
 145  */
 146 #define CHANGE_FD_SETSIZE 1
 147
 148 /*
 149  * Cannot increase FD_SETSIZE on Linux, but we can increase __FD_SETSIZE
 150  * with glibc 2.2 (or later? remains to be seen). We do this by including
 151  * bits/types.h which defines __FD_SETSIZE first, then we redefine
 152  * __FD_SETSIZE. Ofcourse a user program may NEVER include bits/whatever.h
 153  * directly, so this is a dirty hack!
 154  */
 155 #if defined(_SQUID_LINUX_)
 156 #undef CHANGE_FD_SETSIZE
 157 #define CHANGE_FD_SETSIZE 0
 158 #include <features.h>
 159 #if (__GLIBC__ > 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 2)
 160 #if SQUID_MAXFD > DEFAULT_FD_SETSIZE
 161 #include <bits/types.h>
 162 #undef __FD_SETSIZE
 163 #define __FD_SETSIZE SQUID_MAXFD
 164 #endif
 165 #endif
 166 #endif
 167
 168 /*
 169  * Cannot increase FD_SETSIZE on FreeBSD before 2.2.0, causes select(2)
 170  * to return EINVAL.
 171  * --Marian Durkovic <marian@svf.stuba.sk>
 172  * --Peter Wemm <peter@spinner.DIALix.COM>
 173  */
 174 #if defined(_SQUID_FREEBSD_)
 175 #include <osreldate.h>
 176 #if __FreeBSD_version < 220000
 177 #undef CHANGE_FD_SETSIZE
 178 #define CHANGE_FD_SETSIZE 0
 179 #endif
 180 #endif
 181
 182 /*
 183  * Trying to redefine CHANGE_FD_SETSIZE causes a slew of warnings
 184  * on Mac OS X Server.
 185  */
 186 #if defined(_SQUID_APPLE_)
 187 #undef CHANGE_FD_SETSIZE
 188 #define CHANGE_FD_SETSIZE 0
 189 #endif
 190
 191 /* Increase FD_SETSIZE if SQUID_MAXFD is bigger */
 192 #if CHANGE_FD_SETSIZE && SQUID_MAXFD > DEFAULT_FD_SETSIZE
 193 #define FD_SETSIZE SQUID_MAXFD
 194 #endif
 195
 196
 197
 198 /*
 199  * This is hack to allow compiling IPv6-IPv4 version,
 200  * not disturbing branches others than squid3-ipv6
 201  */
 202
 203 #ifdef INET6
 204 #define IN_ADDR in6_addr
 205 #else
 206 #define IN_ADDR in_addr
 207 #endif
 208
 209 /* Typedefs for missing entries on a system */
 210
 211 #include "squid_types.h"
 212
 213 /* int8_t */
 214 #ifndef HAVE_INT8_T
 215 #if HAVE_CHAR && SIZEOF_CHAR == 1
 216 typedef char int8_t;
 217 #else
 218 #error NO 8 bit signed type available
 219 #endif
 220 #endif
 221
 222 /* u_int8_t */
 223 #ifndef HAVE_U_INT8_T
 224 #if HAVE_UINT8_T
 225 typedef uint8_t u_int8_t;
 226 #else
 227 typedef unsigned char u_int8_t;
 228 #endif
 229 #endif
 230
 231 /* int16_t */
 232 #ifndef HAVE_INT16_T
 233 #if HAVE_SHORT && SIZEOF_SHORT == 2
 234 typedef short int16_t;
 235 #elif HAVE_INT && SIZEOF_INT == 2
 236 typedef int int16_t;
 237 #else
 238 #error NO 16 bit signed type available
 239 #endif
 240 #endif
 241
 242 /* u_int16_t */
 243 #ifndef HAVE_U_INT16_T
 244 #if HAVE_UINT16_T
 245 typedef uint16_t u_int16_t;
 246 #else
 247 typedef unsigned int16_t u_int16_t;
 248 #endif
 249 #endif
 250
 251 /* int32_t */
 252 #ifndef HAVE_INT32_T
 253 #if HAVE_INT && SIZEOF_INT == 4
 254 typedef int int32_t;
 255 #elif HAVE_LONG && SIZEOF_LONG == 4
 256 typedef long int32_t;
 257 #else
 258 #error NO 32 bit signed type available
 259 #endif
 260 #endif
 261
 262 /* u_int32_t */
 263 #ifndef HAVE_U_INT32_T
 264 #if HAVE_UINT32_T
 265 typedef uint32_t u_int32_t;
 266 #else
 267 typedef unsigned int32_t u_int32_t;
 268 #endif
 269 #endif
 270
 271 /* int64_t */
 272 #ifndef HAVE_INT64_T
 273 #if HAVE___INT64
 274 typedef __int64 int64_t;
 275 #elif HAVE_LONG && SIZEOF_LONG == 8
 276 typedef long int64_t;
 277 #elif HAVE_LONG_LONG && SIZEOF_LONG_LONG == 8
 278 typedef long long int64_t;
 279 #else
 280 #error NO 64 bit signed type available
 281 #endif
 282 #endif
 283
 284 /* u_int64_t */
 285 #ifndef HAVE_U_INT64_T
 286 #if HAVE_UINT64_T
 287 typedef uint64_t u_int64_t;
 288 #else
 289 typedef unsigned int64_t u_int64_t;
 290 #endif
 291 #endif
 292
 293
 294 #ifndef HAVE_PID_T
 295 typedef int pid_t;
 296 #endif
 297
 298 #ifndef HAVE_SIZE_T
 299 typedef unsigned int size_t;
 300 #endif
 301
 302 #ifndef HAVE_SSIZE_T
 303 typedef int ssize_t;
 304 #endif
 305
 306 #ifndef HAVE_OFF_T
 307 typedef int off_t;
 308 #endif
 309
 310 #ifndef HAVE_MODE_T
 311 typedef unsigned short mode_t;
 312 #endif
 313
 314 #ifndef HAVE_FD_MASK
 315 typedef unsigned long fd_mask;
 316 #endif
 317
 318 #ifndef HAVE_SOCKLEN_T
 319 typedef int socklen_t;
 320 #endif
 321
 322 #ifndef HAVE_MTYP_T
 323 typedef long mtyp_t;
 324 #endif
 325
 326 /*
 327  * On Solaris 9 x86, gcc may includes a "fixed" set of old system include files
 328  * that is incompatible with the updated Solaris header files.
 329  */
 330 #if defined(_SQUID_SOLARIS_) && (defined(i386) || defined(__i386))
 331 #ifndef HAVE_PAD128_T
 332 typedef union {
 333         long double     _q;
 334         int32_t         _l[4];
 335 } pad128_t;
 336 #endif
 337 #ifndef HAVE_UPAD128_T
 338 typedef union {
 339         long double     _q;
 340         uint32_t        _l[4];
 341 } upad128_t;
 342 #endif
 343 #endif
 344
 345 /*
 346  * Don't allow inclusion of malloc.h on FreeBSD, Next and OpenBSD
 347  */
 348 #if defined(HAVE_MALLOC_H) && (defined(_SQUID_FREEBSD_) || defined(_SQUID_NEXT_) || defined(_SQUID_OPENBSD_))
 349 #undef HAVE_MALLOC_H
 350 #endif
 351
 352 #if !defined(CACHEMGR_HOSTNAME)
 353 #define CACHEMGR_HOSTNAME ""
 354 #else
 355 #define CACHEMGR_HOSTNAME_DEFINED 1
 356 #endif
 357
 358 #if SQUID_DETECT_UDP_SO_SNDBUF > 16384
 359 #define SQUID_UDP_SO_SNDBUF 16384
 360 #else
 361 #define SQUID_UDP_SO_SNDBUF SQUID_DETECT_UDP_SO_SNDBUF
 362 #endif
 363
 364 #if SQUID_DETECT_UDP_SO_RCVBUF > 16384
 365 #define SQUID_UDP_SO_RCVBUF 16384
 366 #else
 367 #define SQUID_UDP_SO_RCVBUF SQUID_DETECT_UDP_SO_RCVBUF
 368 #endif
 369
 370 #ifdef HAVE_MEMCPY
 371 #define xmemcpy(d,s,n) memcpy((d),(s),(n))
 372 #elif HAVE_BCOPY
 373 #define xmemcpy(d,s,n) bcopy((s),(d),(n))
 374 #elif HAVE_MEMMOVE
 375 #define xmemcpy(d,s,n) memmove((d),(s),(n))
 376 #endif
 377
 378 #ifdef HAVE_MEMMOVE
 379 #define xmemmove(d,s,n) memmove((d),(s),(n))
 380 #elif HAVE_BCOPY
 381 #define xmemmove(d,s,n) bcopy((s),(d),(n))
 382 #endif
 383
 384 #define xisspace(x) isspace((unsigned char)x)
 385 #define xtoupper(x) toupper((unsigned char)x)
 386 #define xtolower(x) tolower((unsigned char)x)
 387 #define xisdigit(x) isdigit((unsigned char)x)
 388 #define xisascii(x) isascii((unsigned char)x)
 389 #define xislower(x) islower((unsigned char)x)
 390 #define xisalpha(x) isalpha((unsigned char)x)
 391 #define xisprint(x) isprint((unsigned char)x)
 392 #define xisalnum(x) isalnum((unsigned char)x)
 393 #define xiscntrl(x) iscntrl((unsigned char)x)
 394 #define xispunct(x) ispunct((unsigned char)x)
 395 #define xisupper(x) isupper((unsigned char)x)
 396 #define xisxdigit(x) isxdigit((unsigned char)x)
 397 #define xisgraph(x) isgraph((unsigned char)x)
 398
 399 #if HAVE_RANDOM
 400 #define squid_random random
 401 #define squid_srandom srandom
 402 #elif HAVE_LRAND48
 403 #define squid_random lrand48
 404 #define squid_srandom srand48
 405 #else
 406 #define squid_random rand
 407 #define squid_srandom srand
 408 #endif
 409
 410 /* gcc doesn't recognize the Windows native 64 bit formatting tags causing
 411  * the compile fail, so we must disable the check on native Windows.
 412  */
 413
 414 #if __GNUC__ && !defined(_SQUID_MSWIN_)
 415 #define PRINTF_FORMAT_ARG1 __attribute__ ((format (printf, 1, 2)))
 416 #define PRINTF_FORMAT_ARG2 __attribute__ ((format (printf, 2, 3)))
 417 #define PRINTF_FORMAT_ARG3 __attribute__ ((format (printf, 3, 4)))
 418 #else
 419 #define PRINTF_FORMAT_ARG1
 420 #define PRINTF_FORMAT_ARG2
 421 #define PRINTF_FORMAT_ARG3
 422 #endif
 423
 424 /*
 425  * Determine if this is a leak check build or standard
 426  */
 427 #if PURIFY
 428 #define LEAK_CHECK_MODE 1
 429 #elif WITH_VALGRIND
 430 #define LEAK_CHECK_MODE 1
 431 #elif XMALLOC_TRACE
 432 #define LEAK_CHECK_MODE 1
 433 #endif
 434
 435 /*
 436  * valgrind debug support
 437  */
 438 #if WITH_VALGRIND
 439 #include <valgrind/memcheck.h>
 440 #else
 441 #define VALGRIND_MAKE_NOACCESS(a,b) (0)
 442 #define VALGRIND_MAKE_WRITABLE(a,b) (0)
 443 #define VALGRIND_MAKE_READABLE(a,b) (0)
 444 #define VALGRIND_CHECK_WRITABLE(a,b) (0)
 445 #define VALGRIND_CHECK_READABLE(a,b) (0)
 446 #define VALGRIND_MALLOCLIKE_BLOCK(a,b,c,d)
 447 #define VALGRIND_FREELIKE_BLOCK(a,b)
 448 #define RUNNING_ON_VALGRIND 0
 449 #endif /* WITH_VALGRIND */
 450
 451 #endif /* SQUID_CONFIG_H */