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| /* Copyright (C) 2009 - 2021 by Daniel Stenberg et al | |
| * | |
| * Permission to use, copy, modify, and distribute this software and its | |
| * documentation for any purpose and without fee is hereby granted, provided | |
| * that the above copyright notice appear in all copies and that both that | |
| * copyright notice and this permission notice appear in supporting | |
| * documentation, and that the name of M.I.T. not be used in advertising or | |
| * publicity pertaining to distribution of the software without specific, | |
| * written prior permission. M.I.T. makes no representations about the | |
| * suitability of this software for any purpose. It is provided "as is" | |
| * without express or implied warranty. | |
| */ | |
| /* ================================================================ */ | |
| /* COMPILE TIME SANITY CHECKS */ | |
| /* ================================================================ */ | |
| /* | |
| * NOTE 1: | |
| * ------- | |
| * | |
| * All checks done in this file are intentionally placed in a public | |
| * header file which is pulled by ares.h when an application is | |
| * being built using an already built c-ares 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 ares_build.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 | |
| * c-ares library user nor by the c-ares 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 c-ares development mailing list: | |
| * http://lists.haxx.se/listinfo/c-ares/ | |
| * | |
| * 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 | |
| * dependent 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 c-ares 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. | |
| */ | |
| Error Compilation_aborted_CARES_TYPEOF_ARES_SOCKLEN_T_is_missing | |
| /* | |
| * Macros private to this header file. | |
| */ | |
| /* | |
| * Verify that the size previously defined and expected for | |
| * ares_socklen_t is actually the same as the one reported | |
| * by sizeof() at compile time. | |
| */ | |
| typedef char | |
| __cares_rule_02__ | |
| [CareschkszEQ(ares_socklen_t, sizeof(CARES_TYPEOF_ARES_SOCKLEN_T))]; | |
| /* | |
| * Verify at compile time that the size of ares_socklen_t as reported | |
| * by sizeof() is greater or equal than the one reported for int for | |
| * the current compilation. | |
| */ | |
| typedef char | |
| __cares_rule_03__ | |
| [CareschkszGE(ares_socklen_t, int)]; | |
| /* ================================================================ */ | |
| /* EXTERNALLY AND INTERNALLY VISIBLE DEFINITIONS */ | |
| /* ================================================================ */ | |
| /* | |
| * Get rid of macros private to this header file. | |
| */ | |
| /* | |
| * Get rid of macros not intended to exist beyond this point. | |
| */ | |