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- #ifndef __CURL_CURLRULES_H
- #define __CURL_CURLRULES_H
- /***************************************************************************
- * _ _ ____ _
- * Project ___| | | | _ \| |
- * / __| | | | |_) | |
- * | (__| |_| | _ <| |___
- * \___|\___/|_| \_\_____|
- *
- * Copyright (C) 1998 - 2009, Daniel Stenberg, <daniel@haxx.se>, et al.
- *
- * This software is licensed as described in the file COPYING, which
- * you should have received as part of this distribution. The terms
- * are also available at http://curl.haxx.se/docs/copyright.html.
- *
- * You may opt to use, copy, modify, merge, publish, distribute and/or sell
- * copies of the Software, and permit persons to whom the Software is
- * furnished to do so, under the terms of the COPYING file.
- *
- * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
- * KIND, either express or implied.
- *
- * $Id: curlrules.h,v 1.6 2009-04-29 15:15:38 yangtse Exp $
- ***************************************************************************/
- /* ================================================================ */
- /* COMPILE TIME SANITY CHECKS */
- /* ================================================================ */
- /*
- * NOTE 1:
- * -------
- *
- * All checks done in this file are intentionally placed in a public
- * header file which is pulled by curl/curl.h when an application is
- * being built using an already built libcurl library. Additionally
- * this file is also included and used when building the library.
- *
- * If compilation fails on this file it is certainly sure that the
- * problem is elsewhere. It could be a problem in the curlbuild.h
- * header file, or simply that you are using different compilation
- * settings than those used to build the library.
- *
- * Nothing in this file is intended to be modified or adjusted by the
- * curl library user nor by the curl library builder.
- *
- * Do not deactivate any check, these are done to make sure that the
- * library is properly built and used.
- *
- * You can find further help on the libcurl development mailing list:
- * http://cool.haxx.se/mailman/listinfo/curl-library/
- *
- * NOTE 2
- * ------
- *
- * Some of the following compile time checks are based on the fact
- * that the dimension of a constant array can not be a negative one.
- * In this way if the compile time verification fails, the compilation
- * will fail issuing an error. The error description wording is compiler
- * dependant but it will be quite similar to one of the following:
- *
- * "negative subscript or subscript is too large"
- * "array must have at least one element"
- * "-1 is an illegal array size"
- * "size of array is negative"
- *
- * If you are building an application which tries to use an already
- * built libcurl library and you are getting this kind of errors on
- * this file, it is a clear indication that there is a mismatch between
- * how the library was built and how you are trying to use it for your
- * application. Your already compiled or binary library provider is the
- * only one who can give you the details you need to properly use it.
- */
- /*
- * Verify that some macros are actually defined.
- */
- #ifndef CURL_SIZEOF_LONG
- # error "CURL_SIZEOF_LONG definition is missing!"
- Error Compilation_aborted_CURL_SIZEOF_LONG_is_missing
- #endif
- #ifndef CURL_TYPEOF_CURL_SOCKLEN_T
- # error "CURL_TYPEOF_CURL_SOCKLEN_T definition is missing!"
- Error Compilation_aborted_CURL_TYPEOF_CURL_SOCKLEN_T_is_missing
- #endif
- #ifndef CURL_SIZEOF_CURL_SOCKLEN_T
- # error "CURL_SIZEOF_CURL_SOCKLEN_T definition is missing!"
- Error Compilation_aborted_CURL_SIZEOF_CURL_SOCKLEN_T_is_missing
- #endif
- #ifndef CURL_TYPEOF_CURL_OFF_T
- # error "CURL_TYPEOF_CURL_OFF_T definition is missing!"
- Error Compilation_aborted_CURL_TYPEOF_CURL_OFF_T_is_missing
- #endif
- #ifndef CURL_FORMAT_CURL_OFF_T
- # error "CURL_FORMAT_CURL_OFF_T definition is missing!"
- Error Compilation_aborted_CURL_FORMAT_CURL_OFF_T_is_missing
- #endif
- #ifndef CURL_FORMAT_CURL_OFF_TU
- # error "CURL_FORMAT_CURL_OFF_TU definition is missing!"
- Error Compilation_aborted_CURL_FORMAT_CURL_OFF_TU_is_missing
- #endif
- #ifndef CURL_FORMAT_OFF_T
- # error "CURL_FORMAT_OFF_T definition is missing!"
- Error Compilation_aborted_CURL_FORMAT_OFF_T_is_missing
- #endif
- #ifndef CURL_SIZEOF_CURL_OFF_T
- # error "CURL_SIZEOF_CURL_OFF_T definition is missing!"
- Error Compilation_aborted_CURL_SIZEOF_CURL_OFF_T_is_missing
- #endif
- #ifndef CURL_SUFFIX_CURL_OFF_T
- # error "CURL_SUFFIX_CURL_OFF_T definition is missing!"
- Error Compilation_aborted_CURL_SUFFIX_CURL_OFF_T_is_missing
- #endif
- #ifndef CURL_SUFFIX_CURL_OFF_TU
- # error "CURL_SUFFIX_CURL_OFF_TU definition is missing!"
- Error Compilation_aborted_CURL_SUFFIX_CURL_OFF_TU_is_missing
- #endif
- /*
- * Macros private to this header file.
- */
- #define CurlchkszEQ(t, s) sizeof(t) == s ? 1 : -1
- #define CurlchkszGE(t1, t2) sizeof(t1) >= sizeof(t2) ? 1 : -1
- /*
- * Verify that the size previously defined and expected for long
- * is the same as the one reported by sizeof() at compile time.
- */
- typedef char
- __curl_rule_01__
- [CurlchkszEQ(long, CURL_SIZEOF_LONG)];
- /*
- * Verify that the size previously defined and expected for
- * curl_off_t is actually the the same as the one reported
- * by sizeof() at compile time.
- */
- typedef char
- __curl_rule_02__
- [CurlchkszEQ(curl_off_t, CURL_SIZEOF_CURL_OFF_T)];
- /*
- * Verify at compile time that the size of curl_off_t as reported
- * by sizeof() is greater or equal than the one reported for long
- * for the current compilation.
- */
- typedef char
- __curl_rule_03__
- [CurlchkszGE(curl_off_t, long)];
- /*
- * Verify that the size previously defined and expected for
- * curl_socklen_t is actually the the same as the one reported
- * by sizeof() at compile time.
- */
- typedef char
- __curl_rule_04__
- [CurlchkszEQ(curl_socklen_t, CURL_SIZEOF_CURL_SOCKLEN_T)];
- /*
- * Verify at compile time that the size of curl_socklen_t as reported
- * by sizeof() is greater or equal than the one reported for int for
- * the current compilation.
- */
- typedef char
- __curl_rule_05__
- [CurlchkszGE(curl_socklen_t, int)];
- /* ================================================================ */
- /* EXTERNALLY AND INTERNALLY VISIBLE DEFINITIONS */
- /* ================================================================ */
- /*
- * CURL_ISOCPP and CURL_OFF_T_C definitions are done here in order to allow
- * these to be visible and exported by the external libcurl interface API,
- * while also making them visible to the library internals, simply including
- * setup.h, without actually needing to include curl.h internally.
- * If some day this section would grow big enough, all this should be moved
- * to its own header file.
- */
- /*
- * Figure out if we can use the ## preprocessor operator, which is supported
- * by ISO/ANSI C and C++. Some compilers support it without setting __STDC__
- * or __cplusplus so we need to carefully check for them too.
- */
- #if defined(__STDC__) || defined(_MSC_VER) || defined(__cplusplus) || \
- defined(__HP_aCC) || defined(__BORLANDC__) || defined(__LCC__) || \
- defined(__POCC__) || defined(__SALFORDC__) || defined(__HIGHC__) || \
- defined(__ILEC400__)
- /* This compiler is believed to have an ISO compatible preprocessor */
- #define CURL_ISOCPP
- #else
- /* This compiler is believed NOT to have an ISO compatible preprocessor */
- #undef CURL_ISOCPP
- #endif
- /*
- * Macros for minimum-width signed and unsigned curl_off_t integer constants.
- */
- #ifdef CURL_ISOCPP
- # define __CURL_OFF_T_C_HELPER2(Val,Suffix) Val ## Suffix
- #else
- # define __CURL_OFF_T_C_HELPER2(Val,Suffix) Val/**/Suffix
- #endif
- #define __CURL_OFF_T_C_HELPER1(Val,Suffix) __CURL_OFF_T_C_HELPER2(Val,Suffix)
- #define CURL_OFF_T_C(Val) __CURL_OFF_T_C_HELPER1(Val,CURL_SUFFIX_CURL_OFF_T)
- #define CURL_OFF_TU_C(Val) __CURL_OFF_T_C_HELPER1(Val,CURL_SUFFIX_CURL_OFF_TU)
- /*
- * Get rid of macros private to this header file.
- */
- #undef CurlchkszEQ
- #undef CurlchkszGE
- /*
- * Get rid of macros not intended to exist beyond this point.
- */
- #undef CURL_PULL_WS2TCPIP_H
- #undef CURL_PULL_SYS_TYPES_H
- #undef CURL_PULL_SYS_SOCKET_H
- #undef CURL_PULL_STDINT_H
- #undef CURL_PULL_INTTYPES_H
- #undef CURL_TYPEOF_CURL_SOCKLEN_T
- #undef CURL_TYPEOF_CURL_OFF_T
- #endif /* __CURL_CURLRULES_H */
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