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(__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 /* Typedefs for missing entries on a system */
 197
 198 #include "squid_types.h"
 199
 200 /* int8_t */
 201 #ifndef HAVE_INT8_T
 202 #if HAVE_CHAR && SIZEOF_CHAR == 1
 203 typedef char int8_t;
 204 #else
 205 #error NO 8 bit signed type available
 206 #endif
 207 #endif
 208
 209 /* u_int8_t */
 210 #ifndef HAVE_U_INT8_T
 211 #if HAVE_UINT8_T
 212 typedef uint8_t u_int8_t;
 213 #else
 214 typedef unsigned char u_int8_t;
 215 #endif
 216 #endif
 217
 218 /* int16_t */
 219 #ifndef HAVE_INT16_T
 220 #if HAVE_SHORT && SIZEOF_SHORT == 2
 221 typedef short int16_t;
 222 #elif HAVE_INT && SIZEOF_INT == 2
 223 typedef int int16_t;
 224 #else
 225 #error NO 16 bit signed type available
 226 #endif
 227 #endif
 228
 229 /* u_int16_t */
 230 #ifndef HAVE_U_INT16_T
 231 #if HAVE_UINT16_T
 232 typedef uint16_t u_int16_t;
 233 #else
 234 typedef unsigned int16_t u_int16_t;
 235 #endif
 236 #endif
 237
 238 /* int32_t */
 239 #ifndef HAVE_INT32_T
 240 #if HAVE_INT && SIZEOF_INT == 4
 241 typedef int int32_t;
 242 #elif HAVE_LONG && SIZEOF_LONG == 4
 243 typedef long int32_t;
 244 #else
 245 #error NO 32 bit signed type available
 246 #endif
 247 #endif
 248
 249 /* u_int32_t */
 250 #ifndef HAVE_U_INT32_T
 251 #if HAVE_UINT32_T
 252 typedef uint32_t u_int32_t;
 253 #else
 254 typedef unsigned int32_t u_int32_t;
 255 #endif
 256 #endif
 257
 258 /* int64_t */
 259 #ifndef HAVE_INT64_T
 260 #if HAVE___INT64
 261 typedef __int64 int64_t;
 262 #elif HAVE_LONG && SIZEOF_LONG == 8
 263 typedef long int64_t;
 264 #elif HAVE_LONG_LONG && SIZEOF_LONG_LONG == 8
 265 typedef long long int64_t;
 266 #else
 267 #error NO 64 bit signed type available
 268 #endif
 269 #endif
 270
 271 /* u_int64_t */
 272 #ifndef HAVE_U_INT64_T
 273 #if HAVE_UINT64_T
 274 typedef uint64_t u_int64_t;
 275 #else
 276 typedef unsigned int64_t u_int64_t;
 277 #endif
 278 #endif
 279
 280
 281 #ifndef HAVE_PID_T
 282 typedef int pid_t;
 283 #endif
 284
 285 #ifndef HAVE_SIZE_T
 286 typedef unsigned int size_t;
 287 #endif
 288
 289 #ifndef HAVE_SSIZE_T
 290 typedef int ssize_t;
 291 #endif
 292
 293 #ifndef HAVE_OFF_T
 294 typedef int off_t;
 295 #endif
 296
 297 #ifndef HAVE_MODE_T
 298 typedef unsigned short mode_t;
 299 #endif
 300
 301 #ifndef HAVE_FD_MASK
 302 typedef unsigned long fd_mask;
 303 #endif
 304
 305 #ifndef HAVE_SOCKLEN_T
 306 typedef int socklen_t;
 307 #endif
 308
 309 #ifndef HAVE_MTYP_T
 310 typedef long mtyp_t;
 311 #endif
 312
 313 /*
 314  * On Solaris 9 x86, gcc may includes a "fixed" set of old system include files
 315  * that is incompatible with the updated Solaris header files.
 316  */
 317 #if defined(_SQUID_SOLARIS_) && (defined(i386) || defined(__i386))
 318 #ifndef HAVE_PAD128_T
 319 typedef union {
 320         long double     _q;
 321         int32_t         _l[4];
 322 } pad128_t;
 323 #endif
 324 #ifndef HAVE_UPAD128_T
 325 typedef union {
 326         long double     _q;
 327         uint32_t        _l[4];
 328 } upad128_t;
 329 #endif
 330 #endif
 331
 332 /*
 333  * Don't allow inclusion of malloc.h on FreeBSD, Next and OpenBSD
 334  */
 335 #if defined(HAVE_MALLOC_H) && (defined(_SQUID_FREEBSD_) || defined(_SQUID_NEXT_) || defined(_SQUID_OPENBSD_))
 336 #undef HAVE_MALLOC_H
 337 #endif
 338
 339 /*
 340  * res_init() is just a macro re-definition of __res_init on Linux (Debian/Ubuntu)
 341  */
 342 #if !defined(HAVE_RES_INIT) && defined(HAVE___RES_INIT) && !defined(res_init)
 343 #define res_init  __res_init
 344 #define HAVE_RES_INIT  HAVE___RES_INIT
 345 #endif
 346
 347 #if !defined(CACHEMGR_HOSTNAME)
 348 #define CACHEMGR_HOSTNAME ""
 349 #else
 350 #define CACHEMGR_HOSTNAME_DEFINED 1
 351 #endif
 352
 353 #if SQUID_DETECT_UDP_SO_SNDBUF > 16384
 354 #define SQUID_UDP_SO_SNDBUF 16384
 355 #else
 356 #define SQUID_UDP_SO_SNDBUF SQUID_DETECT_UDP_SO_SNDBUF
 357 #endif
 358
 359 #if SQUID_DETECT_UDP_SO_RCVBUF > 16384
 360 #define SQUID_UDP_SO_RCVBUF 16384
 361 #else
 362 #define SQUID_UDP_SO_RCVBUF SQUID_DETECT_UDP_SO_RCVBUF
 363 #endif
 364
 365 #ifdef HAVE_MEMCPY
 366 #define xmemcpy(d,s,n) memcpy((d),(s),(n))
 367 #elif HAVE_BCOPY
 368 #define xmemcpy(d,s,n) bcopy((s),(d),(n))
 369 #elif HAVE_MEMMOVE
 370 #define xmemcpy(d,s,n) memmove((d),(s),(n))
 371 #endif
 372
 373 #ifdef HAVE_MEMMOVE
 374 #define xmemmove(d,s,n) memmove((d),(s),(n))
 375 #elif HAVE_BCOPY
 376 #define xmemmove(d,s,n) bcopy((s),(d),(n))
 377 #endif
 378
 379 #define xisspace(x) isspace((unsigned char)x)
 380 #define xtoupper(x) toupper((unsigned char)x)
 381 #define xtolower(x) tolower((unsigned char)x)
 382 #define xisdigit(x) isdigit((unsigned char)x)
 383 #define xisascii(x) isascii((unsigned char)x)
 384 #define xislower(x) islower((unsigned char)x)
 385 #define xisalpha(x) isalpha((unsigned char)x)
 386 #define xisprint(x) isprint((unsigned char)x)
 387 #define xisalnum(x) isalnum((unsigned char)x)
 388 #define xiscntrl(x) iscntrl((unsigned char)x)
 389 #define xispunct(x) ispunct((unsigned char)x)
 390 #define xisupper(x) isupper((unsigned char)x)
 391 #define xisxdigit(x) isxdigit((unsigned char)x)
 392 #define xisgraph(x) isgraph((unsigned char)x)
 393
 394 #if HAVE_RANDOM
 395 #define squid_random random
 396 #define squid_srandom srandom
 397 #elif HAVE_LRAND48
 398 #define squid_random lrand48
 399 #define squid_srandom srand48
 400 #else
 401 #define squid_random rand
 402 #define squid_srandom srand
 403 #endif
 404
 405 /* gcc doesn't recognize the Windows native 64 bit formatting tags causing
 406  * the compile fail, so we must disable the check on native Windows.
 407  */
 408
 409 #if __GNUC__ && !defined(_SQUID_MSWIN_)
 410 #define PRINTF_FORMAT_ARG1 __attribute__ ((format (printf, 1, 2)))
 411 #define PRINTF_FORMAT_ARG2 __attribute__ ((format (printf, 2, 3)))
 412 #define PRINTF_FORMAT_ARG3 __attribute__ ((format (printf, 3, 4)))
 413 #else
 414 #define PRINTF_FORMAT_ARG1
 415 #define PRINTF_FORMAT_ARG2
 416 #define PRINTF_FORMAT_ARG3
 417 #endif
 418
 419 /*
 420  * Determine if this is a leak check build or standard
 421  */
 422 #if PURIFY
 423 #define LEAK_CHECK_MODE 1
 424 #elif WITH_VALGRIND
 425 #define LEAK_CHECK_MODE 1
 426 #elif XMALLOC_TRACE
 427 #define LEAK_CHECK_MODE 1
 428 #endif
 429
 430 /*
 431  * valgrind debug support
 432  */
 433 #if WITH_VALGRIND
 434 #include <valgrind/memcheck.h>
 435 #undef VALGRIND_MAKE_NOACCESS
 436 #undef VALGRIND_MAKE_WRITABLE
 437 #undef VALGRIND_MAKE_READABLE
 438 /* A little glue for older valgrind version prior to 3.2.0 */
 439 #ifndef VALGRIND_MAKE_MEM_NOACCESS
 440 #define VALGRIND_MAKE_MEM_NOACCESS VALGRIND_MAKE_NOACCESS
 441 #define VALGRIND_MAKE_MEM_UNDEFINED VALGRIND_MAKE_WRITABLE
 442 #define VALGRIND_MAKE_MEM_DEFINED VALGRIND_MAKE_READABLE
 443 #define VALGRIND_CHECK_MEM_IS_ADDRESSABLE VALGRIND_CHECK_WRITABLE
 444 #endif
 445 #else
 446 #define VALGRIND_MAKE_MEM_NOACCESS(a,b) (0)
 447 #define VALGRIND_MAKE_MEM_UNDEFINED(a,b) (0)
 448 #define VALGRIND_MAKE_MEM_DEFINED(a,b) (0)
 449 #define VALGRIND_CHECK_MEM_IS_ADDRESSABLE(a,b) (0)
 450 #define VALGRIND_CHECK_MEM_IS_DEFINED(a,b) (0)
 451 #define VALGRIND_MALLOCLIKE_BLOCK(a,b,c,d)
 452 #define VALGRIND_FREELIKE_BLOCK(a,b)
 453 #define RUNNING_ON_VALGRIND 0
 454 #endif /* WITH_VALGRIND */
 455
 456
 457 /*
 458  * strnstr() is needed. The OS may not provide a working copy.
 459  */
 460 #include "strnstr.h"
 461
 462 #endif /* SQUID_CONFIG_H */