ua_config.h.in 7.9 KB

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  1. /* This Source Code Form is subject to the terms of the Mozilla Public
  2. * License, v. 2.0. If a copy of the MPL was not distributed with this
  3. * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
  4. #ifndef UA_CONFIG_H_
  5. #define UA_CONFIG_H_
  6. #ifdef __cplusplus
  7. extern "C" {
  8. #endif
  9. /**
  10. * Library Version
  11. * --------------- */
  12. #define UA_OPEN62541_VER_MAJOR ${OPEN62541_VER_MAJOR}
  13. #define UA_OPEN62541_VER_MINOR ${OPEN62541_VER_MINOR}
  14. #define UA_OPEN62541_VER_PATCH ${OPEN62541_VER_PATCH}
  15. #define UA_OPEN62541_VER_LABEL "${OPEN62541_VER_LABEL}" /* Release candidate label, etc. */
  16. #define UA_OPEN62541_VER_COMMIT "${OPEN62541_VER_COMMIT}"
  17. /**
  18. * Options
  19. * ------- */
  20. #define UA_LOGLEVEL ${UA_LOGLEVEL}
  21. #cmakedefine UA_ENABLE_METHODCALLS
  22. #cmakedefine UA_ENABLE_NODEMANAGEMENT
  23. #cmakedefine UA_ENABLE_SUBSCRIPTIONS
  24. #cmakedefine UA_ENABLE_MULTITHREADING
  25. /**
  26. * Advanced Options
  27. * ---------------- */
  28. #cmakedefine UA_ENABLE_STATUSCODE_DESCRIPTIONS
  29. #cmakedefine UA_ENABLE_TYPENAMES
  30. #cmakedefine UA_ENABLE_EMBEDDED_LIBC
  31. #cmakedefine UA_ENABLE_DETERMINISTIC_RNG
  32. #cmakedefine UA_ENABLE_GENERATE_NAMESPACE0
  33. #cmakedefine UA_ENABLE_NONSTANDARD_STATELESS
  34. #cmakedefine UA_ENABLE_NONSTANDARD_UDP
  35. #cmakedefine UA_ENABLE_DISCOVERY
  36. #cmakedefine UA_ENABLE_DISCOVERY_MULTICAST
  37. #cmakedefine UA_ENABLE_DISCOVERY_SEMAPHORE
  38. #cmakedefine UA_DEBUG_DUMP_PKGS
  39. /**
  40. * Standard Includes
  41. * ----------------- */
  42. #ifndef _XOPEN_SOURCE
  43. #if defined(__QNX__) || defined(__QNXNTO__)
  44. # define _XOPEN_SOURCE 600
  45. #else
  46. # define _XOPEN_SOURCE 500
  47. #endif
  48. #endif
  49. #ifndef _DEFAULT_SOURCE
  50. # define _DEFAULT_SOURCE
  51. #endif
  52. // On older systems we need to define _BSD_SOURCE
  53. // _DEFAULT_SOURCE is an alias for that
  54. #ifndef _BSD_SOURCE
  55. # define _BSD_SOURCE
  56. #endif
  57. // Disable deprecation warnings for sprintf, strncpy, strerror
  58. #if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_WARNINGS)
  59. # define _CRT_SECURE_NO_WARNINGS
  60. #endif
  61. #include <stddef.h>
  62. /* Include stdint.h or workaround for older Visual Studios */
  63. #if !defined(_MSC_VER) || _MSC_VER >= 1600
  64. # include <stdint.h>
  65. #else
  66. # include "ms_stdint.h"
  67. #endif
  68. #ifndef __cplusplus
  69. # include <stdbool.h> /* C99 Boolean */
  70. /* Manual Boolean:
  71. typedef uint8_t bool;
  72. #define true 1
  73. #define false 0 */
  74. #endif
  75. #include <stdlib.h>
  76. /**
  77. * Memory Management
  78. * ---------------
  79. * The default malloc implementation from ``stdlib.h`` is used internally.
  80. * Override if required. */
  81. #if defined(_WIN32) && !defined(__clang__)
  82. # include <malloc.h>
  83. #endif
  84. #define UA_free(ptr) free(ptr)
  85. #define UA_malloc(size) malloc(size)
  86. #define UA_calloc(num, size) calloc(num, size)
  87. #define UA_realloc(ptr, size) realloc(ptr, size)
  88. #if defined(__GNUC__) || defined(__clang__)
  89. # define UA_alloca(size) __builtin_alloca (size)
  90. #elif defined(_WIN32)
  91. # define UA_alloca(SIZE) _alloca(SIZE)
  92. #else
  93. # include <alloca.h>
  94. # define UA_alloca(SIZE) alloca(SIZE)
  95. #endif
  96. /**
  97. * Function Export
  98. * ---------------
  99. * On Win32: Define ``UA_DYNAMIC_LINKING`` and ``UA_DYNAMIC_LINKING_EXPORT`` in
  100. * order to export symbols for a DLL. Define ``UA_DYNAMIC_LINKING`` only to
  101. * import symbols from a DLL.*/
  102. #cmakedefine UA_DYNAMIC_LINKING
  103. #if defined(_WIN32) && defined(UA_DYNAMIC_LINKING)
  104. # ifdef UA_DYNAMIC_LINKING_EXPORT /* export dll */
  105. # ifdef __GNUC__
  106. # define UA_EXPORT __attribute__ ((dllexport))
  107. # else
  108. # define UA_EXPORT __declspec(dllexport)
  109. # endif
  110. # else /* import dll */
  111. # ifdef __GNUC__
  112. # define UA_EXPORT __attribute__ ((dllimport))
  113. # else
  114. # define UA_EXPORT __declspec(dllimport)
  115. # endif
  116. # endif
  117. #else /* non win32 */
  118. # if __GNUC__ || __clang__
  119. # define UA_EXPORT __attribute__ ((visibility ("default")))
  120. # endif
  121. #endif
  122. #ifndef UA_EXPORT
  123. # define UA_EXPORT /* fallback to default */
  124. #endif
  125. /**
  126. * Inline Functions
  127. * ---------------- */
  128. #ifdef _MSC_VER
  129. # define UA_INLINE __inline
  130. #else
  131. # define UA_INLINE inline
  132. #endif
  133. /**
  134. * Non-aliasing pointers
  135. * -------------------- */
  136. #ifdef _MSC_VER
  137. # define UA_RESTRICT __restrict
  138. #elif defined(__GNUC__)
  139. # define UA_RESTRICT __restrict__
  140. #else
  141. # define UA_RESTRICT restrict
  142. #endif
  143. /**
  144. * Function attributes
  145. * ------------------- */
  146. #ifdef __GNUC__
  147. # define UA_FUNC_ATTR_MALLOC __attribute__((malloc))
  148. # define UA_FUNC_ATTR_PURE __attribute__ ((pure))
  149. # define UA_FUNC_ATTR_CONST __attribute__((const))
  150. # define UA_FUNC_ATTR_WARN_UNUSED_RESULT __attribute__((warn_unused_result))
  151. # define UA_FORMAT(X,Y) __attribute__ ((format (printf, X, Y)))
  152. #else
  153. # define UA_FUNC_ATTR_MALLOC
  154. # define UA_FUNC_ATTR_PURE
  155. # define UA_FUNC_ATTR_CONST
  156. # define UA_FUNC_ATTR_WARN_UNUSED_RESULT
  157. # define UA_FORMAT(X,Y)
  158. #endif
  159. #ifdef __GNUC__
  160. # define UA_DEPRECATED __attribute__((deprecated))
  161. #elif defined(_MSC_VER)
  162. # define UA_DEPRECATED __declspec(deprecated)
  163. #else
  164. # define UA_DEPRECATED
  165. #endif
  166. /**
  167. * String Manipulation
  168. * -------------------
  169. * The header ``string.h`` is defined in the C-standard. If no libc is provided
  170. * (e.g. on some embedded target), use the following definitions and the
  171. * implementation in ``/deps/libc_string.c`` */
  172. #ifndef UA_ENABLE_EMBEDDED_LIBC
  173. # include <string.h>
  174. #else
  175. void *memcpy(void *UA_RESTRICT dest, const void *UA_RESTRICT src, size_t n);
  176. void *memset(void *dest, int c, size_t n);
  177. size_t strlen(const char *s);
  178. int memcmp(const void *vl, const void *vr, size_t n);
  179. #endif
  180. /**
  181. * Binary Encoding Overlays
  182. * ------------------------
  183. * Integers and floating point numbers are transmitted in little-endian (IEEE 754
  184. * for floating point) encoding. If the target architecture uses the same
  185. * format, numeral datatypes can be memcpy'd (overlayed) on the binary stream.
  186. * This speeds up encoding.
  187. *
  188. * Integer Endianness
  189. * ^^^^^^^^^^^^^^^^^^
  190. * The definition ``UA_BINARY_OVERLAYABLE_INTEGER`` is true when the integer
  191. * representation of the target architecture is little-endian. */
  192. #if defined(_WIN32) || (defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && \
  193. (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__))
  194. # define UA_BINARY_OVERLAYABLE_INTEGER 1
  195. #elif defined(__ANDROID__) /* Andoid */
  196. # include <endian.h>
  197. # if __BYTE_ORDER == __LITTLE_ENDIAN
  198. # define UA_BINARY_OVERLAYABLE_INTEGER 1
  199. # endif
  200. #elif defined(__linux__) /* Linux */
  201. # include <endian.h>
  202. # if __BYTE_ORDER == __LITTLE_ENDIAN
  203. # define UA_BINARY_OVERLAYABLE_INTEGER 1
  204. # endif
  205. # if __FLOAT_BYTE_ORDER == __LITTLE_ENDIAN
  206. # define UA_BINARY_OVERLAYABLE_FLOAT 1
  207. # endif
  208. #elif defined(__OpenBSD__) /* OpenBSD */
  209. # include <sys/endian.h>
  210. # if BYTE_ORDER == LITTLE_ENDIAN
  211. # define UA_BINARY_OVERLAYABLE_INTEGER 1
  212. # endif
  213. #elif defined(__NetBSD__) || defined(__FreeBSD__) || defined(__DragonFly__) /* Other BSD */
  214. # include <sys/endian.h>
  215. # if _BYTE_ORDER == _LITTLE_ENDIAN
  216. # define UA_BINARY_OVERLAYABLE_INTEGER 1
  217. # endif
  218. #elif defined(__APPLE__) /* Apple (MacOS, iOS) */
  219. # include <libkern/OSByteOrder.h>
  220. # if defined(__LITTLE_ENDIAN__)
  221. # define UA_BINARY_OVERLAYABLE_INTEGER 1
  222. # endif
  223. #elif defined(__QNX__) || defined(__QNXNTO__) /* QNX */
  224. # include <gulliver.h>
  225. # if defined(__LITTLEENDIAN__)
  226. # define UA_BINARY_OVERLAYABLE_INTEGER 1
  227. # endif
  228. #endif
  229. #ifndef UA_BINARY_OVERLAYABLE_INTEGER
  230. # define UA_BINARY_OVERLAYABLE_INTEGER 0
  231. #endif
  232. /**
  233. * Float Endianness
  234. * ^^^^^^^^^^^^^^^^
  235. * The definition ``UA_BINARY_OVERLAYABLE_FLOAT`` is true when the floating
  236. * point number representation of the target architecture is IEEE 754. Note that
  237. * this cannot be reliable detected with macros for the clang compiler
  238. * (beginning of 2017). Just override if necessary. */
  239. #if defined(_WIN32)
  240. # define UA_BINARY_OVERLAYABLE_FLOAT 1
  241. #elif defined(__FLOAT_WORD_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && \
  242. (__FLOAT_WORD_ORDER__ == __ORDER_LITTLE_ENDIAN__) /* Defined only in GCC */
  243. # define UA_BINARY_OVERLAYABLE_FLOAT 1
  244. #elif defined(__FLOAT_WORD_ORDER) && defined(__LITTLE_ENDIAN) && \
  245. (__FLOAT_WORD_ORDER == __LITTLE_ENDIAN) /* Defined only in GCC */
  246. # define UA_BINARY_OVERLAYABLE_FLOAT 1
  247. #endif
  248. #ifndef UA_BINARY_OVERLAYABLE_FLOAT
  249. # define UA_BINARY_OVERLAYABLE_FLOAT 0
  250. #endif
  251. #ifdef __cplusplus
  252. } // extern "C"
  253. #endif
  254. #endif /* UA_CONFIG_H_ */