/* * Copyright (C) 2013-2015 the contributors as stated in the AUTHORS file * * This file is part of open62541. open62541 is free software: you can * redistribute it and/or modify it under the terms of the GNU Lesser General * Public License, version 3 (as published by the Free Software Foundation) with * a static linking exception as stated in the LICENSE file provided with * open62541. * * open62541 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. */ #ifndef UA_CONFIG_H_ #define UA_CONFIG_H_ #ifdef __cplusplus extern "C" { #endif #ifndef _XOPEN_SOURCE # define _XOPEN_SOURCE 500 #endif #ifndef _DEFAULT_SOURCE # define _DEFAULT_SOURCE #endif #define UA_LOGLEVEL ${UA_LOGLEVEL} #define UA_GIT_COMMIT_ID "${GIT_COMMIT_ID}" #cmakedefine UA_ENABLE_MULTITHREADING #cmakedefine UA_ENABLE_METHODCALLS #cmakedefine UA_ENABLE_SUBSCRIPTIONS #cmakedefine UA_ENABLE_TYPENAMES #cmakedefine UA_ENABLE_GENERATE_NAMESPACE0 #cmakedefine UA_ENABLE_EXTERNAL_NAMESPACES #cmakedefine UA_ENABLE_NODEMANAGEMENT #cmakedefine UA_ENABLE_EMBEDDED_LIBC #cmakedefine UA_ENABLE_NONSTANDARD_UDP #cmakedefine UA_ENABLE_NONSTANDARD_STATELESS /** * Function Export * --------------- */ /* On Win32: Define UA_DYNAMIC_LINKING and UA_DYNAMIC_LINKING_EXPORT in order to export symbols for a DLL. Define UA_DYNAMIC_LINKING only to import symbols from a DLL.*/ #cmakedefine UA_DYNAMIC_LINKING #if defined(_WIN32) && defined(UA_DYNAMIC_LINKING) # ifdef UA_DYNAMIC_LINKING_EXPORT /* export dll */ # ifdef __GNUC__ # define UA_EXPORT __attribute__ ((dllexport)) # else # define UA_EXPORT __declspec(dllexport) # endif # else /* import dll */ # ifdef __GNUC__ # define UA_EXPORT __attribute__ ((dllimport)) # else # define UA_EXPORT __declspec(dllimport) # endif # endif #else /* non win32 */ # if __GNUC__ || __clang__ # define UA_EXPORT __attribute__ ((visibility ("default"))) # endif #endif #ifndef UA_EXPORT # define UA_EXPORT /* fallback to default */ #endif /** * Inline Functions * ---------------- */ #ifdef _MSC_VER # define UA_INLINE __inline #else # define UA_INLINE inline #endif /** * Non-aliasing pointers * -------------------- */ #ifdef _MSC_VER # define UA_RESTRICT __restrict #elif defined(__GNUC__) # define UA_RESTRICT __restrict__ #else # define UA_RESTRICT restrict #endif /** * Function attributes * ------------------- */ #ifdef __GNUC__ # define UA_FUNC_ATTR_MALLOC __attribute__((malloc)) # define UA_FUNC_ATTR_PURE __attribute__ ((pure)) # define UA_FUNC_ATTR_CONST __attribute__((const)) # define UA_FUNC_ATTR_WARN_UNUSED_RESULT __attribute__((warn_unused_result)) #else # define UA_FUNC_ATTR_MALLOC # define UA_FUNC_ATTR_PURE # define UA_FUNC_ATTR_CONST # define UA_FUNC_ATTR_WARN_UNUSED_RESULT #endif /** * Integer Endianness * ------------------ */ #if defined(_WIN32) || (defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && \ (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)) /* little endian detected */ # define UA_BINARY_OVERLAYABLE_INTEGER true #elif defined(__ANDROID__) /* Andoid */ # include # if __BYTE_ORDER == __LITTLE_ENDIAN # define UA_BINARY_OVERLAYABLE_INTEGER true # endif #elif defined(__linux__) /* Linux */ # include # if __BYTE_ORDER == __LITTLE_ENDIAN # define UA_BINARY_OVERLAYABLE_INTEGER true # endif # if __FLOAT_BYTE_ORDER == __LITTLE_ENDIAN # define UA_BINARY_OVERLAYABLE_FLOAT true # endif #elif defined(__OpenBSD__) /* OpenBSD */ # include # if BYTE_ORDER == LITTLE_ENDIAN # define UA_BINARY_OVERLAYABLE_INTEGER true # endif #elif defined(__NetBSD__) || defined(__FreeBSD__) || defined(__DragonFly__) /* Other BSD */ # include # if _BYTE_ORDER == _LITTLE_ENDIAN # define UA_BINARY_OVERLAYABLE_INTEGER true # endif #elif defined(__APPLE__) /* Apple (MacOS, iOS) */ # include # if defined(__LITTLE_ENDIAN__) # define UA_BINARY_OVERLAYABLE_INTEGER true # endif #elif defined(__QNX__) || defined(__QNXNTO__) /* QNX */ # include # if defined(__LITTLEENDIAN__) # define UA_BINARY_OVERLAYABLE_INTEGER true # endif #endif /** * Float Endianness * ---------------- */ #if defined(_WIN32) # define UA_BINARY_OVERLAYABLE_FLOAT true #elif defined(__FLOAT_WORD_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && \ (__FLOAT_WORD_ORDER__ == __ORDER_LITTLE_ENDIAN__) /* Defined only in GCC */ # define UA_BINARY_OVERLAYABLE_FLOAT true #elif defined(__FLOAT_WORD_ORDER) && defined(__LITTLE_ENDIAN) && \ (__FLOAT_WORD_ORDER == __LITTLE_ENDIAN) /* Defined only in GCC */ # define UA_BINARY_OVERLAYABLE_FLOAT true #endif /** * Binary Encoding Overlays * ------------------------ * Some data types have the same layout in memory as on the binary data stream. * This can be used to speed up the decoding. If we could not detect * little-endianness of integers and floats, this is not possible for types that * contain integers or floats respectively. See the definition of the * overlayable flag defined in `UA_DataType`. */ /* Demote error to a warning on clang. There is no robust way to detect float * endianness here. On x86/x86-64, floats are always in the right IEEE 754 * format. So floats are overlayable is the architecture is little-endian. */ #if defined(__clang__) # pragma GCC diagnostic push # pragma GCC diagnostic warning "-W#warnings" #endif #ifndef UA_BINARY_OVERLAYABLE_INTEGER # define UA_BINARY_OVERLAYABLE_INTEGER false # warning Slow Integer Encoding. This warning can be removed safely. It is only an indicator that integer endianness could not be detected. #endif #ifndef UA_BINARY_OVERLAYABLE_FLOAT # define UA_BINARY_OVERLAYABLE_FLOAT false # warning Slow Float Encoding. This warning can be removed safely. It is only an indicator that the float encoding could not be detected. #endif #if defined(__clang__) # pragma GCC diagnostic pop #endif /** * Embed unavailable libc functions * -------------------------------- */ #include #ifdef UA_ENABLE_EMBEDDED_LIBC void *memcpy(void *UA_RESTRICT dest, const void *UA_RESTRICT src, size_t n); void *memset(void *dest, int c, size_t n); size_t strlen(const char *s); int memcmp(const void *vl, const void *vr, size_t n); #else # include #endif #ifdef __cplusplus } // extern "C" #endif #endif /* UA_CONFIG_H_ */