| /* |
| This file is part of libmicrohttpd |
| Copyright (C) 2015 Karlson2k (Evgeny Grin) |
| |
| This library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| This library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with this library; if not, write to the Free Software |
| Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| /** |
| * @file microhttpd/mhd_limits.h |
| * @brief limits values definitions |
| * @author Karlson2k (Evgeny Grin) |
| */ |
| |
| #ifndef MHD_LIMITS_H |
| #define MHD_LIMITS_H |
| |
| #include "platform.h" |
| |
| #ifdef HAVE_LIMITS_H |
| #include <limits.h> |
| #endif /* HAVE_LIMITS_H */ |
| |
| #define MHD_UNSIGNED_TYPE_MAX_(type) ((type) - 1) |
| /* Assume 8 bits per byte, no padding bits. */ |
| #define MHD_SIGNED_TYPE_MAX_(type) \ |
| ( (type) ((( ((type) 1) << (sizeof(type) * 8 - 2)) - 1) * 2 + 1) ) |
| #define MHD_TYPE_IS_SIGNED_(type) (((type) 0)>((type) - 1)) |
| |
| #ifndef UINT_MAX |
| #ifdef __UINT_MAX__ |
| #define UINT_MAX __UINT_MAX__ |
| #else /* ! __UINT_MAX__ */ |
| #define UINT_MAX MHD_UNSIGNED_TYPE_MAX_ (unsigned int) |
| #endif /* ! __UINT_MAX__ */ |
| #endif /* !UINT_MAX */ |
| |
| #ifndef LONG_MAX |
| #ifdef __LONG_MAX__ |
| #define LONG_MAX __LONG_MAX__ |
| #else /* ! __LONG_MAX__ */ |
| #define LONG_MAX MHD_SIGNED_TYPE_MAX (long) |
| #endif /* ! __LONG_MAX__ */ |
| #endif /* !OFF_T_MAX */ |
| |
| #ifndef ULLONG_MAX |
| #define ULLONG_MAX MHD_UNSIGNED_TYPE_MAX_ (MHD_UNSIGNED_LONG_LONG) |
| #endif /* !ULLONG_MAX */ |
| |
| #ifndef INT32_MAX |
| #ifdef __INT32_MAX__ |
| #define INT32_MAX __INT32_MAX__ |
| #else /* ! __INT32_MAX__ */ |
| #define INT32_MAX ((int32_t) 0x7FFFFFFF) |
| #endif /* ! __INT32_MAX__ */ |
| #endif /* !INT32_MAX */ |
| |
| #ifndef UINT32_MAX |
| #ifdef __UINT32_MAX__ |
| #define UINT32_MAX __UINT32_MAX__ |
| #else /* ! __UINT32_MAX__ */ |
| #define UINT32_MAX ((int32_t) 0xFFFFFFFF) |
| #endif /* ! __UINT32_MAX__ */ |
| #endif /* !UINT32_MAX */ |
| |
| #ifndef UINT64_MAX |
| #ifdef __UINT64_MAX__ |
| #define UINT64_MAX __UINT64_MAX__ |
| #else /* ! __UINT64_MAX__ */ |
| #define UINT64_MAX ((uint64_t) 0xFFFFFFFFFFFFFFFF) |
| #endif /* ! __UINT64_MAX__ */ |
| #endif /* !UINT64_MAX */ |
| |
| #ifndef INT64_MAX |
| #ifdef __INT64_MAX__ |
| #define INT64_MAX __INT64_MAX__ |
| #else /* ! __INT64_MAX__ */ |
| #define INT64_MAX ((int64_t) 0x7FFFFFFFFFFFFFFF) |
| #endif /* ! __UINT64_MAX__ */ |
| #endif /* !INT64_MAX */ |
| |
| #ifndef SIZE_MAX |
| #ifdef __SIZE_MAX__ |
| #define SIZE_MAX __SIZE_MAX__ |
| #elif defined(UINTPTR_MAX) |
| #define SIZE_MAX UINTPTR_MAX |
| #else /* ! __SIZE_MAX__ */ |
| #define SIZE_MAX MHD_UNSIGNED_TYPE_MAX_ (size_t) |
| #endif /* ! __SIZE_MAX__ */ |
| #endif /* !SIZE_MAX */ |
| |
| #ifndef SSIZE_MAX |
| #ifdef __SSIZE_MAX__ |
| #define SSIZE_MAX __SSIZE_MAX__ |
| #elif defined(PTRDIFF_MAX) |
| #define SSIZE_MAX PTRDIFF_MAX |
| #elif defined(INTPTR_MAX) |
| #define SSIZE_MAX INTPTR_MAX |
| #else |
| #define SSIZE_MAN MHD_SIGNED_TYPE_MAX_ (ssize_t) |
| #endif |
| #endif /* ! SSIZE_MAX */ |
| |
| #ifndef OFF_T_MAX |
| #ifdef OFF_MAX |
| #define OFF_T_MAX OFF_MAX |
| #elif defined(OFFT_MAX) |
| #define OFF_T_MAX OFFT_MAX |
| #elif defined(__APPLE__) && defined(__MACH__) |
| #define OFF_T_MAX INT64_MAX |
| #else |
| #define OFF_T_MAX MHD_SIGNED_TYPE_MAX_ (off_t) |
| #endif |
| #endif /* !OFF_T_MAX */ |
| |
| #if defined(_LARGEFILE64_SOURCE) && ! defined(OFF64_T_MAX) |
| #define OFF64_T_MAX MHD_SIGNED_TYPE_MAX_ (uint64_t) |
| #endif /* _LARGEFILE64_SOURCE && !OFF64_T_MAX */ |
| |
| #ifndef TIME_T_MAX |
| #define TIME_T_MAX ((time_t) \ |
| (MHD_TYPE_IS_SIGNED_ (time_t) ? \ |
| MHD_SIGNED_TYPE_MAX_ (time_t) : \ |
| MHD_UNSIGNED_TYPE_MAX_ (time_t))) |
| #endif /* !TIME_T_MAX */ |
| |
| #ifndef TIMEVAL_TV_SEC_MAX |
| #ifndef _WIN32 |
| #define TIMEVAL_TV_SEC_MAX TIME_T_MAX |
| #else /* _WIN32 */ |
| #define TIMEVAL_TV_SEC_MAX LONG_MAX |
| #endif /* _WIN32 */ |
| #endif /* !TIMEVAL_TV_SEC_MAX */ |
| |
| #ifndef MHD_FD_BLOCK_SIZE |
| #ifdef _WIN32 |
| #define MHD_FD_BLOCK_SIZE 16384 /* 16k */ |
| #else /* _WIN32 */ |
| #define MHD_FD_BLOCK_SIZE 4096 /* 4k */ |
| #endif /* _WIN32 */ |
| #endif /* !MHD_FD_BLOCK_SIZE */ |
| |
| #endif /* MHD_LIMITS_H */ |