include/config.h

   1 /*
   2  * $Id: config.h,v 1.27 2008/01/07 15:47:08 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(__DragonFly__)
 115 #define _SQUID_DRAGONFLY_
 116
 117 #elif defined(__CYGWIN32__)  || defined(__CYGWIN__)
 118 #define _SQUID_CYGWIN_
 119 #define _SQUID_WIN32_
 120
 121 #elif defined(WIN32) || defined(WINNT) || defined(__WIN32__) || defined(__WIN32)
 122 #define _SQUID_MSWIN_
 123 #define _SQUID_WIN32_
 124 #include "squid_mswin.h"
 125
 126 #elif defined(__APPLE__)
 127 #define _SQUID_APPLE_
 128
 129 #elif defined(sony_news) && defined(__svr4)
 130 #define _SQUID_NEWSOS6_
 131
 132 #elif defined(__EMX__) || defined(OS2) || defined(__OS2__)
 133 #define _SQUID_OS2_
 134 /*
 135  *  FIXME: the os2 port of bash seems to have problems checking
 136  *  the return codes of programs in if statements.  These options
 137  *  need to be overridden.
 138  */
 139 #endif
 140
 141 /* FD_SETSIZE must be redefined before including sys/types.h */
 142
 143 /*
 144  * On some systems, FD_SETSIZE is set to something lower than the
 145  * actual number of files which can be opened.  IRIX is one case,
 146  * NetBSD is another.  So here we increase FD_SETSIZE to our
 147  * configure-discovered maximum *before* any system includes.
 148  */
 149 #define CHANGE_FD_SETSIZE 1
 150
 151 /*
 152  * Cannot increase FD_SETSIZE on Linux, but we can increase __FD_SETSIZE
 153  * with glibc 2.2 (or later? remains to be seen). We do this by including
 154  * bits/types.h which defines __FD_SETSIZE first, then we redefine
 155  * __FD_SETSIZE. Ofcourse a user program may NEVER include bits/whatever.h
 156  * directly, so this is a dirty hack!
 157  */
 158 #if defined(_SQUID_LINUX_)
 159 #undef CHANGE_FD_SETSIZE
 160 #define CHANGE_FD_SETSIZE 0
 161 #include <features.h>
 162 #if (__GLIBC__ > 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 2)
 163 #if SQUID_MAXFD > DEFAULT_FD_SETSIZE
 164 #include <bits/types.h>
 165 #undef __FD_SETSIZE
 166 #define __FD_SETSIZE SQUID_MAXFD
 167 #endif
 168 #endif
 169 #endif
 170
 171 /*
 172  * Cannot increase FD_SETSIZE on FreeBSD before 2.2.0, causes select(2)
 173  * to return EINVAL.
 174  * --Marian Durkovic <marian@svf.stuba.sk>
 175  * --Peter Wemm <peter@spinner.DIALix.COM>
 176  */
 177 #if defined(_SQUID_FREEBSD_)
 178 #include <osreldate.h>
 179 #if __FreeBSD_version < 220000
 180 #undef CHANGE_FD_SETSIZE
 181 #define CHANGE_FD_SETSIZE 0
 182 #endif
 183 #endif
 184
 185 /*
 186  * Trying to redefine CHANGE_FD_SETSIZE causes a slew of warnings
 187  * on Mac OS X Server.
 188  */
 189 #if defined(_SQUID_APPLE_)
 190 #undef CHANGE_FD_SETSIZE
 191 #define CHANGE_FD_SETSIZE 0
 192 #endif
 193
 194 /* Increase FD_SETSIZE if SQUID_MAXFD is bigger */
 195 #if CHANGE_FD_SETSIZE && SQUID_MAXFD > DEFAULT_FD_SETSIZE
 196 #define FD_SETSIZE SQUID_MAXFD
 197 #endif
 198
 199 /* Typedefs for missing entries on a system */
 200
 201 #include "squid_types.h"
 202
 203 /* int8_t */
 204 #ifndef HAVE_INT8_T
 205 #if HAVE_CHAR && SIZEOF_CHAR == 1
 206 typedef char int8_t;
 207 #else
 208 #error NO 8 bit signed type available
 209 #endif
 210 #endif
 211
 212 /* u_int8_t */
 213 #ifndef HAVE_U_INT8_T
 214 #if HAVE_UINT8_T
 215 typedef uint8_t u_int8_t;
 216 #else
 217 typedef unsigned char u_int8_t;
 218 #endif
 219 #endif
 220
 221 /* int16_t */
 222 #ifndef HAVE_INT16_T
 223 #if HAVE_SHORT && SIZEOF_SHORT == 2
 224 typedef short int16_t;
 225 #elif HAVE_INT && SIZEOF_INT == 2
 226 typedef int int16_t;
 227 #else
 228 #error NO 16 bit signed type available
 229 #endif
 230 #endif
 231
 232 /* u_int16_t */
 233 #ifndef HAVE_U_INT16_T
 234 #if HAVE_UINT16_T
 235 typedef uint16_t u_int16_t;
 236 #else
 237 typedef unsigned int16_t u_int16_t;
 238 #endif
 239 #endif
 240
 241 /* int32_t */
 242 #ifndef HAVE_INT32_T
 243 #if HAVE_INT && SIZEOF_INT == 4
 244 typedef int int32_t;
 245 #elif HAVE_LONG && SIZEOF_LONG == 4
 246 typedef long int32_t;
 247 #else
 248 #error NO 32 bit signed type available
 249 #endif
 250 #endif
 251
 252 /* u_int32_t */
 253 #ifndef HAVE_U_INT32_T
 254 #if HAVE_UINT32_T
 255 typedef uint32_t u_int32_t;
 256 #else
 257 typedef unsigned int32_t u_int32_t;
 258 #endif
 259 #endif
 260
 261 /* int64_t */
 262 #ifndef HAVE_INT64_T
 263 #if HAVE___INT64
 264 typedef __int64 int64_t;
 265 #elif HAVE_LONG && SIZEOF_LONG == 8
 266 typedef long int64_t;
 267 #elif HAVE_LONG_LONG && SIZEOF_LONG_LONG == 8
 268 typedef long long int64_t;
 269 #else
 270 #error NO 64 bit signed type available
 271 #endif
 272 #endif
 273
 274 /* u_int64_t */
 275 #ifndef HAVE_U_INT64_T
 276 #if HAVE_UINT64_T
 277 typedef uint64_t u_int64_t;
 278 #else
 279 typedef unsigned int64_t u_int64_t;
 280 #endif
 281 #endif
 282
 283
 284 #ifndef HAVE_PID_T
 285 typedef int pid_t;
 286 #endif
 287
 288 #ifndef HAVE_SIZE_T
 289 typedef unsigned int size_t;
 290 #endif
 291
 292 #ifndef HAVE_SSIZE_T
 293 typedef int ssize_t;
 294 #endif
 295
 296 #ifndef HAVE_OFF_T
 297 typedef int off_t;
 298 #endif
 299
 300 #ifndef HAVE_MODE_T
 301 typedef unsigned short mode_t;
 302 #endif
 303
 304 #ifndef HAVE_FD_MASK
 305 typedef unsigned long fd_mask;
 306 #endif
 307
 308 #ifndef HAVE_SOCKLEN_T
 309 typedef int socklen_t;
 310 #endif
 311
 312 #ifndef HAVE_MTYP_T
 313 typedef long mtyp_t;
 314 #endif
 315
 316 /*
 317  * On Solaris 9 x86, gcc may includes a "fixed" set of old system include files
 318  * that is incompatible with the updated Solaris header files.
 319  */
 320 #if defined(_SQUID_SOLARIS_) && (defined(i386) || defined(__i386))
 321 #ifndef HAVE_PAD128_T
 322 typedef union {
 323         long double     _q;
 324         int32_t         _l[4];
 325 } pad128_t;
 326 #endif
 327 #ifndef HAVE_UPAD128_T
 328 typedef union {
 329         long double     _q;
 330         uint32_t        _l[4];
 331 } upad128_t;
 332 #endif
 333 #endif
 334
 335 /*
 336  * Don't allow inclusion of malloc.h on FreeBSD, Next and OpenBSD
 337  */
 338 #if defined(HAVE_MALLOC_H) && (defined(_SQUID_FREEBSD_) || defined(_SQUID_NEXT_) || defined(_SQUID_OPENBSD_) || defined(_SQUID_DRAGONFLY_))
 339 #undef HAVE_MALLOC_H
 340 #endif
 341
 342 /*
 343  * res_init() is just a macro re-definition of __res_init on Linux (Debian/Ubuntu)
 344  */
 345 #if !defined(HAVE_RES_INIT) && defined(HAVE___RES_INIT) && !defined(res_init)
 346 #define res_init  __res_init
 347 #define HAVE_RES_INIT  HAVE___RES_INIT
 348 #endif
 349
 350 #if !defined(CACHEMGR_HOSTNAME)
 351 #define CACHEMGR_HOSTNAME ""
 352 #else
 353 #define CACHEMGR_HOSTNAME_DEFINED 1
 354 #endif
 355
 356 #if SQUID_DETECT_UDP_SO_SNDBUF > 16384
 357 #define SQUID_UDP_SO_SNDBUF 16384
 358 #else
 359 #define SQUID_UDP_SO_SNDBUF SQUID_DETECT_UDP_SO_SNDBUF
 360 #endif
 361
 362 #if SQUID_DETECT_UDP_SO_RCVBUF > 16384
 363 #define SQUID_UDP_SO_RCVBUF 16384
 364 #else
 365 #define SQUID_UDP_SO_RCVBUF SQUID_DETECT_UDP_SO_RCVBUF
 366 #endif
 367
 368 #ifdef HAVE_MEMCPY
 369 #define xmemcpy(d,s,n) memcpy((d),(s),(n))
 370 #elif HAVE_BCOPY
 371 #define xmemcpy(d,s,n) bcopy((s),(d),(n))
 372 #elif HAVE_MEMMOVE
 373 #define xmemcpy(d,s,n) memmove((d),(s),(n))
 374 #endif
 375
 376 #ifdef HAVE_MEMMOVE
 377 #define xmemmove(d,s,n) memmove((d),(s),(n))
 378 #elif HAVE_BCOPY
 379 #define xmemmove(d,s,n) bcopy((s),(d),(n))
 380 #endif
 381
 382 #define xisspace(x) isspace((unsigned char)x)
 383 #define xtoupper(x) toupper((unsigned char)x)
 384 #define xtolower(x) tolower((unsigned char)x)
 385 #define xisdigit(x) isdigit((unsigned char)x)
 386 #define xisascii(x) isascii((unsigned char)x)
 387 #define xislower(x) islower((unsigned char)x)
 388 #define xisalpha(x) isalpha((unsigned char)x)
 389 #define xisprint(x) isprint((unsigned char)x)
 390 #define xisalnum(x) isalnum((unsigned char)x)
 391 #define xiscntrl(x) iscntrl((unsigned char)x)
 392 #define xispunct(x) ispunct((unsigned char)x)
 393 #define xisupper(x) isupper((unsigned char)x)
 394 #define xisxdigit(x) isxdigit((unsigned char)x)
 395 #define xisgraph(x) isgraph((unsigned char)x)
 396
 397 #if HAVE_RANDOM
 398 #define squid_random random
 399 #define squid_srandom srandom
 400 #elif HAVE_LRAND48
 401 #define squid_random lrand48
 402 #define squid_srandom srand48
 403 #else
 404 #define squid_random rand
 405 #define squid_srandom srand
 406 #endif
 407
 408 /* gcc doesn't recognize the Windows native 64 bit formatting tags causing
 409  * the compile fail, so we must disable the check on native Windows.
 410  */
 411
 412 #if __GNUC__ && !defined(_SQUID_MSWIN_)
 413 #define PRINTF_FORMAT_ARG1 __attribute__ ((format (printf, 1, 2)))
 414 #define PRINTF_FORMAT_ARG2 __attribute__ ((format (printf, 2, 3)))
 415 #define PRINTF_FORMAT_ARG3 __attribute__ ((format (printf, 3, 4)))
 416 #else
 417 #define PRINTF_FORMAT_ARG1
 418 #define PRINTF_FORMAT_ARG2
 419 #define PRINTF_FORMAT_ARG3
 420 #endif
 421
 422 /*
 423  * Determine if this is a leak check build or standard
 424  */
 425 #if PURIFY
 426 #define LEAK_CHECK_MODE 1
 427 #elif WITH_VALGRIND
 428 #define LEAK_CHECK_MODE 1
 429 #elif XMALLOC_TRACE
 430 #define LEAK_CHECK_MODE 1
 431 #endif
 432
 433 /*
 434  * valgrind debug support
 435  */
 436 #if WITH_VALGRIND
 437 #include <valgrind/memcheck.h>
 438 #undef VALGRIND_MAKE_NOACCESS
 439 #undef VALGRIND_MAKE_WRITABLE
 440 #undef VALGRIND_MAKE_READABLE
 441 /* A little glue for older valgrind version prior to 3.2.0 */
 442 #ifndef VALGRIND_MAKE_MEM_NOACCESS
 443 #define VALGRIND_MAKE_MEM_NOACCESS VALGRIND_MAKE_NOACCESS
 444 #define VALGRIND_MAKE_MEM_UNDEFINED VALGRIND_MAKE_WRITABLE
 445 #define VALGRIND_MAKE_MEM_DEFINED VALGRIND_MAKE_READABLE
 446 #define VALGRIND_CHECK_MEM_IS_ADDRESSABLE VALGRIND_CHECK_WRITABLE
 447 #endif
 448 #else
 449 #define VALGRIND_MAKE_MEM_NOACCESS(a,b) (0)
 450 #define VALGRIND_MAKE_MEM_UNDEFINED(a,b) (0)
 451 #define VALGRIND_MAKE_MEM_DEFINED(a,b) (0)
 452 #define VALGRIND_CHECK_MEM_IS_ADDRESSABLE(a,b) (0)
 453 #define VALGRIND_CHECK_MEM_IS_DEFINED(a,b) (0)
 454 #define VALGRIND_MALLOCLIKE_BLOCK(a,b,c,d)
 455 #define VALGRIND_FREELIKE_BLOCK(a,b)
 456 #define RUNNING_ON_VALGRIND 0
 457 #endif /* WITH_VALGRIND */
 458
 459
 460 /*
 461  * strnstr() is needed. The OS may not provide a working copy.
 462  */
 463 #include "strnstr.h"
 464
 465 #endif /* SQUID_CONFIG_H */