ua_config.h.in 7.8 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. # define _XOPEN_SOURCE 600
  44. #endif
  45. #ifndef _DEFAULT_SOURCE
  46. # define _DEFAULT_SOURCE
  47. #endif
  48. // On older systems we need to define _BSD_SOURCE
  49. // _DEFAULT_SOURCE is an alias for that
  50. #ifndef _BSD_SOURCE
  51. # define _BSD_SOURCE
  52. #endif
  53. // Disable deprecation warnings for sprintf, strncpy, strerror
  54. #if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_WARNINGS)
  55. # define _CRT_SECURE_NO_WARNINGS
  56. #endif
  57. #include <stddef.h>
  58. /* Include stdint.h or workaround for older Visual Studios */
  59. #if !defined(_MSC_VER) || _MSC_VER >= 1600
  60. # include <stdint.h>
  61. #else
  62. # include "ms_stdint.h"
  63. #endif
  64. #ifndef __cplusplus
  65. # include <stdbool.h> /* C99 Boolean */
  66. /* Manual Boolean:
  67. typedef uint8_t bool;
  68. #define true 1
  69. #define false 0 */
  70. #endif
  71. /**
  72. * Memory Management
  73. * ---------------
  74. * The default malloc implementation from ``stdlib.h`` is used internally.
  75. * Override if required. */
  76. #include <stdlib.h>
  77. #if defined(_WIN32) && !defined(__clang__)
  78. # include <malloc.h>
  79. #endif
  80. #define UA_free(ptr) free(ptr)
  81. #define UA_malloc(size) malloc(size)
  82. #define UA_calloc(num, size) calloc(num, size)
  83. #define UA_realloc(ptr, size) realloc(ptr, size)
  84. #if defined(__GNUC__) || defined(__clang__)
  85. # define UA_alloca(size) __builtin_alloca (size)
  86. #elif defined(_WIN32)
  87. # define UA_alloca(SIZE) _alloca(SIZE)
  88. #else
  89. # include <alloca.h>
  90. # define UA_alloca(SIZE) alloca(SIZE)
  91. #endif
  92. /**
  93. * Function Export
  94. * ---------------
  95. * On Win32: Define ``UA_DYNAMIC_LINKING`` and ``UA_DYNAMIC_LINKING_EXPORT`` in
  96. * order to export symbols for a DLL. Define ``UA_DYNAMIC_LINKING`` only to
  97. * import symbols from a DLL.*/
  98. #cmakedefine UA_DYNAMIC_LINKING
  99. #if defined(_WIN32) && defined(UA_DYNAMIC_LINKING)
  100. # ifdef UA_DYNAMIC_LINKING_EXPORT /* export dll */
  101. # ifdef __GNUC__
  102. # define UA_EXPORT __attribute__ ((dllexport))
  103. # else
  104. # define UA_EXPORT __declspec(dllexport)
  105. # endif
  106. # else /* import dll */
  107. # ifdef __GNUC__
  108. # define UA_EXPORT __attribute__ ((dllimport))
  109. # else
  110. # define UA_EXPORT __declspec(dllimport)
  111. # endif
  112. # endif
  113. #else /* non win32 */
  114. # if __GNUC__ || __clang__
  115. # define UA_EXPORT __attribute__ ((visibility ("default")))
  116. # endif
  117. #endif
  118. #ifndef UA_EXPORT
  119. # define UA_EXPORT /* fallback to default */
  120. #endif
  121. /**
  122. * Inline Functions
  123. * ---------------- */
  124. #ifdef _MSC_VER
  125. # define UA_INLINE __inline
  126. #else
  127. # define UA_INLINE inline
  128. #endif
  129. /**
  130. * Non-aliasing pointers
  131. * -------------------- */
  132. #ifdef _MSC_VER
  133. # define UA_RESTRICT __restrict
  134. #elif defined(__GNUC__)
  135. # define UA_RESTRICT __restrict__
  136. #else
  137. # define UA_RESTRICT restrict
  138. #endif
  139. /**
  140. * Function attributes
  141. * ------------------- */
  142. #ifdef __GNUC__
  143. # define UA_FUNC_ATTR_MALLOC __attribute__((malloc))
  144. # define UA_FUNC_ATTR_PURE __attribute__ ((pure))
  145. # define UA_FUNC_ATTR_CONST __attribute__((const))
  146. # define UA_FUNC_ATTR_WARN_UNUSED_RESULT __attribute__((warn_unused_result))
  147. # define UA_FORMAT(X,Y) __attribute__ ((format (printf, X, Y)))
  148. #else
  149. # define UA_FUNC_ATTR_MALLOC
  150. # define UA_FUNC_ATTR_PURE
  151. # define UA_FUNC_ATTR_CONST
  152. # define UA_FUNC_ATTR_WARN_UNUSED_RESULT
  153. # define UA_FORMAT(X,Y)
  154. #endif
  155. #ifdef __GNUC__
  156. # define UA_DEPRECATED __attribute__((deprecated))
  157. #elif defined(_MSC_VER)
  158. # define UA_DEPRECATED __declspec(deprecated)
  159. #else
  160. # define UA_DEPRECATED
  161. #endif
  162. /**
  163. * String Manipulation
  164. * -------------------
  165. * The header ``string.h`` is defined in the C-standard. If no libc is provided
  166. * (e.g. on some embedded target), use the following definitions and the
  167. * implementation in ``/deps/libc_string.c`` */
  168. #ifndef UA_ENABLE_EMBEDDED_LIBC
  169. # include <string.h>
  170. #else
  171. void *memcpy(void *UA_RESTRICT dest, const void *UA_RESTRICT src, size_t n);
  172. void *memset(void *dest, int c, size_t n);
  173. size_t strlen(const char *s);
  174. int memcmp(const void *vl, const void *vr, size_t n);
  175. #endif
  176. /**
  177. * Binary Encoding Overlays
  178. * ------------------------
  179. * Integers and floating point numbers are transmitted in little-endian (IEEE 754
  180. * for floating point) encoding. If the target architecture uses the same
  181. * format, numeral datatypes can be memcpy'd (overlayed) on the binary stream.
  182. * This speeds up encoding.
  183. *
  184. * Integer Endianness
  185. * ^^^^^^^^^^^^^^^^^^
  186. * The definition ``UA_BINARY_OVERLAYABLE_INTEGER`` is true when the integer
  187. * representation of the target architecture is little-endian. */
  188. #if defined(_WIN32) || (defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && \
  189. (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__))
  190. # define UA_BINARY_OVERLAYABLE_INTEGER 1
  191. #elif defined(__ANDROID__) /* Andoid */
  192. # include <endian.h>
  193. # if __BYTE_ORDER == __LITTLE_ENDIAN
  194. # define UA_BINARY_OVERLAYABLE_INTEGER 1
  195. # endif
  196. #elif defined(__linux__) /* Linux */
  197. # include <endian.h>
  198. # if __BYTE_ORDER == __LITTLE_ENDIAN
  199. # define UA_BINARY_OVERLAYABLE_INTEGER 1
  200. # endif
  201. # if __FLOAT_BYTE_ORDER == __LITTLE_ENDIAN
  202. # define UA_BINARY_OVERLAYABLE_FLOAT 1
  203. # endif
  204. #elif defined(__OpenBSD__) /* OpenBSD */
  205. # include <sys/endian.h>
  206. # if BYTE_ORDER == LITTLE_ENDIAN
  207. # define UA_BINARY_OVERLAYABLE_INTEGER 1
  208. # endif
  209. #elif defined(__NetBSD__) || defined(__FreeBSD__) || defined(__DragonFly__) /* Other BSD */
  210. # include <sys/endian.h>
  211. # if _BYTE_ORDER == _LITTLE_ENDIAN
  212. # define UA_BINARY_OVERLAYABLE_INTEGER 1
  213. # endif
  214. #elif defined(__APPLE__) /* Apple (MacOS, iOS) */
  215. # include <libkern/OSByteOrder.h>
  216. # if defined(__LITTLE_ENDIAN__)
  217. # define UA_BINARY_OVERLAYABLE_INTEGER 1
  218. # endif
  219. #elif defined(__QNX__) || defined(__QNXNTO__) /* QNX */
  220. # include <gulliver.h>
  221. # if defined(__LITTLEENDIAN__)
  222. # define UA_BINARY_OVERLAYABLE_INTEGER 1
  223. # endif
  224. #endif
  225. #ifndef UA_BINARY_OVERLAYABLE_INTEGER
  226. # define UA_BINARY_OVERLAYABLE_INTEGER 0
  227. #endif
  228. /**
  229. * Float Endianness
  230. * ^^^^^^^^^^^^^^^^
  231. * The definition ``UA_BINARY_OVERLAYABLE_FLOAT`` is true when the floating
  232. * point number representation of the target architecture is IEEE 754. Note that
  233. * this cannot be reliable detected with macros for the clang compiler
  234. * (beginning of 2017). Just override if necessary. */
  235. #if defined(_WIN32)
  236. # define UA_BINARY_OVERLAYABLE_FLOAT 1
  237. #elif defined(__FLOAT_WORD_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && \
  238. (__FLOAT_WORD_ORDER__ == __ORDER_LITTLE_ENDIAN__) /* Defined only in GCC */
  239. # define UA_BINARY_OVERLAYABLE_FLOAT 1
  240. #elif defined(__FLOAT_WORD_ORDER) && defined(__LITTLE_ENDIAN) && \
  241. (__FLOAT_WORD_ORDER == __LITTLE_ENDIAN) /* Defined only in GCC */
  242. # define UA_BINARY_OVERLAYABLE_FLOAT 1
  243. #endif
  244. #ifndef UA_BINARY_OVERLAYABLE_FLOAT
  245. # define UA_BINARY_OVERLAYABLE_FLOAT 0
  246. #endif
  247. #ifdef __cplusplus
  248. } // extern "C"
  249. #endif
  250. #endif /* UA_CONFIG_H_ */