include/config.h

   1 /*
   2  * $Id: config.h,v 1.15 2004/12/21 17:28:27 robertc 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
 122 #elif defined(__APPLE__)
 123 #define _SQUID_APPLE_
 124
 125 #elif defined(sony_news) && defined(__svr4)
 126 #define _SQUID_NEWSOS6_
 127
 128 #elif defined(__EMX__) || defined(OS2) || defined(__OS2__)
 129 #define _SQUID_OS2_
 130 /*
 131  *  FIXME: the os2 port of bash seems to have problems checking
 132  *  the return codes of programs in if statements.  These options
 133  *  need to be overridden.
 134  */
 135 #endif
 136
 137 /* FD_SETSIZE must be redefined before including sys/types.h */
 138
 139 /*
 140  * On some systems, FD_SETSIZE is set to something lower than the
 141  * actual number of files which can be opened.  IRIX is one case,
 142  * NetBSD is another.  So here we increase FD_SETSIZE to our
 143  * configure-discovered maximum *before* any system includes.
 144  */
 145 #define CHANGE_FD_SETSIZE 1
 146
 147 /*
 148  * Cannot increase FD_SETSIZE on Linux, but we can increase __FD_SETSIZE
 149  * with glibc 2.2 (or later? remains to be seen). We do this by including
 150  * bits/types.h which defines __FD_SETSIZE first, then we redefine
 151  * __FD_SETSIZE. Ofcourse a user program may NEVER include bits/whatever.h
 152  * directly, so this is a dirty hack!
 153  */
 154 #if defined(_SQUID_LINUX_)
 155 #undef CHANGE_FD_SETSIZE
 156 #define CHANGE_FD_SETSIZE 0
 157 #include <features.h>
 158 #if (__GLIBC__ > 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 2)
 159 #if SQUID_MAXFD > DEFAULT_FD_SETSIZE
 160 #include <bits/types.h>
 161 #undef __FD_SETSIZE
 162 #define __FD_SETSIZE SQUID_MAXFD
 163 #endif
 164 #endif
 165 #endif
 166
 167 /*
 168  * Cannot increase FD_SETSIZE on FreeBSD before 2.2.0, causes select(2)
 169  * to return EINVAL.
 170  * --Marian Durkovic <marian@svf.stuba.sk>
 171  * --Peter Wemm <peter@spinner.DIALix.COM>
 172  */
 173 #if defined(_SQUID_FREEBSD_)
 174 #include <osreldate.h>
 175 #if __FreeBSD_version < 220000
 176 #undef CHANGE_FD_SETSIZE
 177 #define CHANGE_FD_SETSIZE 0
 178 #endif
 179 #endif
 180
 181 /*
 182  * Trying to redefine CHANGE_FD_SETSIZE causes a slew of warnings
 183  * on Mac OS X Server.
 184  */
 185 #if defined(_SQUID_APPLE_)
 186 #undef CHANGE_FD_SETSIZE
 187 #define CHANGE_FD_SETSIZE 0
 188 #endif
 189
 190 /* Increase FD_SETSIZE if SQUID_MAXFD is bigger */
 191 #if CHANGE_FD_SETSIZE && SQUID_MAXFD > DEFAULT_FD_SETSIZE
 192 #define FD_SETSIZE SQUID_MAXFD
 193 #endif
 194
 195
 196
 197 /* Typedefs for missing entries on a system */
 198
 199 #include "squid_types.h"
 200
 201 /* int16_t */
 202 #ifndef HAVE_INT16_T
 203 #if HAVE_SHORT && SIZEOF_SHORT == 2
 204 typedef short int16_t;
 205 #elif HAVE_INT && SIZEOF_INT == 2
 206 typedef int int16_t;
 207 #else
 208 #error NO 16 bit signed type available
 209 #endif
 210 #endif
 211
 212 /* u_int16_t */
 213 #ifndef HAVE_U_INT16_T
 214 #if HAVE_UINT16_T
 215 typedef uint16_t u_int16_t;
 216 #else
 217 typedef unsigned int16_t u_int16_t;
 218 #endif
 219 #endif
 220
 221 /* int32_t */
 222 #ifndef HAVE_INT32_T
 223 #if HAVE_INT && SIZEOF_INT == 4
 224 typedef int int32_t;
 225 #elif HAVE_LONG && SIZEOF_LONG == 4
 226 typedef long int32_t;
 227 #else
 228 #error NO 32 bit signed type available
 229 #endif
 230 #endif
 231
 232 /* u_int32_t */
 233 #ifndef HAVE_U_INT32_T
 234 #if HAVE_UINT32_T
 235 typedef uint32_t u_int32_t;
 236 #else
 237 typedef unsigned int32_t u_int32_t;
 238 #endif
 239 #endif
 240
 241 /* int64_t */
 242 #ifndef HAVE_INT64_T
 243 #if HAVE___INT64
 244 typedef __int64 int64_t;
 245 #elif HAVE_LONG && SIZEOF_LONG == 8
 246 typedef long int64_t;
 247 #elif HAVE_LONG_LONG && SIZEOF_LONG_LONG == 8
 248 typedef long long int64_t;
 249 #else
 250 #error NO 64 bit signed type available
 251 #endif
 252 #endif
 253
 254 /* u_int64_t */
 255 #ifndef HAVE_U_INT64_T
 256 #if HAVE_UINT64_T
 257 typedef uint64_t u_int64_t;
 258 #else
 259 typedef unsigned int64_t u_int64_t;
 260 #endif
 261 #endif
 262
 263
 264 #ifndef HAVE_PID_T
 265 typedef int pid_t;
 266 #endif
 267
 268 #ifndef HAVE_SIZE_T
 269 typedef unsigned int size_t;
 270 #endif
 271
 272 #ifndef HAVE_SSIZE_T
 273 typedef int ssize_t;
 274 #endif
 275
 276 #ifndef HAVE_OFF_T
 277 typedef int off_t;
 278 #endif
 279
 280 #ifndef HAVE_MODE_T
 281 typedef unsigned short mode_t;
 282 #endif
 283
 284 #ifndef HAVE_FD_MASK
 285 typedef unsigned long fd_mask;
 286 #endif
 287
 288 #ifndef HAVE_SOCKLEN_T
 289 typedef int socklen_t;
 290 #endif
 291
 292 #ifndef HAVE_MTYP_T
 293 typedef long mtyp_t;
 294 #endif
 295
 296 /*
 297  * On Solaris 9 x86, gcc may includes a "fixed" set of old system include files
 298  * that is incompatible with the updated Solaris header files.
 299  */
 300 #if defined(_SQUID_SOLARIS_) && (defined(i386) || defined(__i386))
 301 #ifndef pad128_t
 302 typedef union {
 303         long double     _q;
 304         int32_t         _l[4];
 305 } pad128_t;
 306 #endif
 307 #ifndef upda128_t
 308 typedef union {
 309         long double     _q;
 310         uint32_t        _l[4];
 311 } upad128_t;
 312 #endif
 313 #endif
 314
 315 /*
 316  * Don't allow inclusion of malloc.h on FreeBSD, Next and OpenBSD
 317  */
 318 #if defined(HAVE_MALLOC_H) && (defined(_SQUID_FREEBSD_) || defined(_SQUID_NEXT_) || defined(_SQUID_OPENBSD_))
 319 #undef HAVE_MALLOC_H
 320 #endif
 321
 322 #if !defined(CACHEMGR_HOSTNAME)
 323 #define CACHEMGR_HOSTNAME ""
 324 #endif
 325
 326 #if SQUID_DETECT_UDP_SO_SNDBUF > 16384
 327 #define SQUID_UDP_SO_SNDBUF 16384
 328 #else
 329 #define SQUID_UDP_SO_SNDBUF SQUID_DETECT_UDP_SO_SNDBUF
 330 #endif
 331
 332 #if SQUID_DETECT_UDP_SO_RCVBUF > 16384
 333 #define SQUID_UDP_SO_RCVBUF 16384
 334 #else
 335 #define SQUID_UDP_SO_RCVBUF SQUID_DETECT_UDP_SO_RCVBUF
 336 #endif
 337
 338 #ifdef HAVE_MEMCPY
 339 #define xmemcpy(d,s,n) memcpy((d),(s),(n))
 340 #elif HAVE_BCOPY
 341 #define xmemcpy(d,s,n) bcopy((s),(d),(n))
 342 #elif HAVE_MEMMOVE
 343 #define xmemcpy(d,s,n) memmove((d),(s),(n))
 344 #endif
 345
 346 #ifdef HAVE_MEMMOVE
 347 #define xmemmove(d,s,n) memmove((d),(s),(n))
 348 #elif HAVE_BCOPY
 349 #define xmemmove(d,s,n) bcopy((s),(d),(n))
 350 #endif
 351
 352 #define xisspace(x) isspace((unsigned char)x)
 353 #define xtoupper(x) toupper((unsigned char)x)
 354 #define xtolower(x) tolower((unsigned char)x)
 355 #define xisdigit(x) isdigit((unsigned char)x)
 356 #define xisascii(x) isascii((unsigned char)x)
 357 #define xislower(x) islower((unsigned char)x)
 358 #define xisalpha(x) isalpha((unsigned char)x)
 359 #define xisprint(x) isprint((unsigned char)x)
 360 #define xisalnum(x) isalnum((unsigned char)x)
 361 #define xiscntrl(x) iscntrl((unsigned char)x)
 362 #define xispunct(x) ispunct((unsigned char)x)
 363 #define xisupper(x) isupper((unsigned char)x)
 364 #define xisxdigit(x) isxdigit((unsigned char)x)
 365
 366 #if HAVE_RANDOM
 367 #define squid_random random
 368 #define squid_srandom srandom
 369 #elif HAVE_LRAND48
 370 #define squid_random lrand48
 371 #define squid_srandom srand48
 372 #else
 373 #define squid_random rand
 374 #define squid_srandom srand
 375 #endif
 376
 377 #if __GNUC__
 378 #define PRINTF_FORMAT_ARG1 __attribute__ ((format (printf, 1, 2)))
 379 #define PRINTF_FORMAT_ARG2 __attribute__ ((format (printf, 2, 3)))
 380 #define PRINTF_FORMAT_ARG3 __attribute__ ((format (printf, 3, 4)))
 381 #else
 382 #define PRINTF_FORMAT_ARG1
 383 #define PRINTF_FORMAT_ARG2
 384 #define PRINTF_FORMAT_ARG3
 385 #endif
 386
 387 #endif /* SQUID_CONFIG_H */