system.h 19 KB

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  1. #ifndef CURLINC_SYSTEM_H
  2. #define CURLINC_SYSTEM_H
  3. /***************************************************************************
  4. * _ _ ____ _
  5. * Project ___| | | | _ \| |
  6. * / __| | | | |_) | |
  7. * | (__| |_| | _ <| |___
  8. * \___|\___/|_| \_\_____|
  9. *
  10. * Copyright (C) Daniel Stenberg, <[email protected]>, et al.
  11. *
  12. * This software is licensed as described in the file COPYING, which
  13. * you should have received as part of this distribution. The terms
  14. * are also available at https://curl.se/docs/copyright.html.
  15. *
  16. * You may opt to use, copy, modify, merge, publish, distribute and/or sell
  17. * copies of the Software, and permit persons to whom the Software is
  18. * furnished to do so, under the terms of the COPYING file.
  19. *
  20. * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  21. * KIND, either express or implied.
  22. *
  23. * SPDX-License-Identifier: curl
  24. *
  25. ***************************************************************************/
  26. /*
  27. * Try to keep one section per platform, compiler and architecture, otherwise,
  28. * if an existing section is reused for a different one and later on the
  29. * original is adjusted, probably the piggybacking one can be adversely
  30. * changed.
  31. *
  32. * In order to differentiate between platforms/compilers/architectures use
  33. * only compiler built in predefined preprocessor symbols.
  34. *
  35. * curl_off_t
  36. * ----------
  37. *
  38. * For any given platform/compiler curl_off_t must be typedef'ed to a 64-bit
  39. * wide signed integral data type. The width of this data type must remain
  40. * constant and independent of any possible large file support settings.
  41. *
  42. * As an exception to the above, curl_off_t shall be typedef'ed to a 32-bit
  43. * wide signed integral data type if there is no 64-bit type.
  44. *
  45. * As a general rule, curl_off_t shall not be mapped to off_t. This rule shall
  46. * only be violated if off_t is the only 64-bit data type available and the
  47. * size of off_t is independent of large file support settings. Keep your
  48. * build on the safe side avoiding an off_t gating. If you have a 64-bit
  49. * off_t then take for sure that another 64-bit data type exists, dig deeper
  50. * and you will find it.
  51. *
  52. */
  53. #if defined(__DJGPP__) || defined(__GO32__)
  54. # if defined(__DJGPP__) && (__DJGPP__ > 1)
  55. # define CURL_TYPEOF_CURL_OFF_T long long
  56. # define CURL_FORMAT_CURL_OFF_T "lld"
  57. # define CURL_FORMAT_CURL_OFF_TU "llu"
  58. # define CURL_SUFFIX_CURL_OFF_T LL
  59. # define CURL_SUFFIX_CURL_OFF_TU ULL
  60. # else
  61. # define CURL_TYPEOF_CURL_OFF_T long
  62. # define CURL_FORMAT_CURL_OFF_T "ld"
  63. # define CURL_FORMAT_CURL_OFF_TU "lu"
  64. # define CURL_SUFFIX_CURL_OFF_T L
  65. # define CURL_SUFFIX_CURL_OFF_TU UL
  66. # endif
  67. # define CURL_TYPEOF_CURL_SOCKLEN_T int
  68. #elif defined(__SALFORDC__)
  69. # define CURL_TYPEOF_CURL_OFF_T long
  70. # define CURL_FORMAT_CURL_OFF_T "ld"
  71. # define CURL_FORMAT_CURL_OFF_TU "lu"
  72. # define CURL_SUFFIX_CURL_OFF_T L
  73. # define CURL_SUFFIX_CURL_OFF_TU UL
  74. # define CURL_TYPEOF_CURL_SOCKLEN_T int
  75. #elif defined(__BORLANDC__)
  76. # if (__BORLANDC__ < 0x520)
  77. # define CURL_TYPEOF_CURL_OFF_T long
  78. # define CURL_FORMAT_CURL_OFF_T "ld"
  79. # define CURL_FORMAT_CURL_OFF_TU "lu"
  80. # define CURL_SUFFIX_CURL_OFF_T L
  81. # define CURL_SUFFIX_CURL_OFF_TU UL
  82. # else
  83. # define CURL_TYPEOF_CURL_OFF_T __int64
  84. # define CURL_FORMAT_CURL_OFF_T "I64d"
  85. # define CURL_FORMAT_CURL_OFF_TU "I64u"
  86. # define CURL_SUFFIX_CURL_OFF_T i64
  87. # define CURL_SUFFIX_CURL_OFF_TU ui64
  88. # endif
  89. # define CURL_TYPEOF_CURL_SOCKLEN_T int
  90. #elif defined(__TURBOC__)
  91. # define CURL_TYPEOF_CURL_OFF_T long
  92. # define CURL_FORMAT_CURL_OFF_T "ld"
  93. # define CURL_FORMAT_CURL_OFF_TU "lu"
  94. # define CURL_SUFFIX_CURL_OFF_T L
  95. # define CURL_SUFFIX_CURL_OFF_TU UL
  96. # define CURL_TYPEOF_CURL_SOCKLEN_T int
  97. #elif defined(__POCC__)
  98. # if (__POCC__ < 280)
  99. # define CURL_TYPEOF_CURL_OFF_T long
  100. # define CURL_FORMAT_CURL_OFF_T "ld"
  101. # define CURL_FORMAT_CURL_OFF_TU "lu"
  102. # define CURL_SUFFIX_CURL_OFF_T L
  103. # define CURL_SUFFIX_CURL_OFF_TU UL
  104. # elif defined(_MSC_VER)
  105. # define CURL_TYPEOF_CURL_OFF_T __int64
  106. # define CURL_FORMAT_CURL_OFF_T "I64d"
  107. # define CURL_FORMAT_CURL_OFF_TU "I64u"
  108. # define CURL_SUFFIX_CURL_OFF_T i64
  109. # define CURL_SUFFIX_CURL_OFF_TU ui64
  110. # else
  111. # define CURL_TYPEOF_CURL_OFF_T long long
  112. # define CURL_FORMAT_CURL_OFF_T "lld"
  113. # define CURL_FORMAT_CURL_OFF_TU "llu"
  114. # define CURL_SUFFIX_CURL_OFF_T LL
  115. # define CURL_SUFFIX_CURL_OFF_TU ULL
  116. # endif
  117. # define CURL_TYPEOF_CURL_SOCKLEN_T int
  118. #elif defined(__LCC__)
  119. # if defined(__MCST__) /* MCST eLbrus Compiler Collection */
  120. # define CURL_TYPEOF_CURL_OFF_T long
  121. # define CURL_FORMAT_CURL_OFF_T "ld"
  122. # define CURL_FORMAT_CURL_OFF_TU "lu"
  123. # define CURL_SUFFIX_CURL_OFF_T L
  124. # define CURL_SUFFIX_CURL_OFF_TU UL
  125. # define CURL_TYPEOF_CURL_SOCKLEN_T socklen_t
  126. # define CURL_PULL_SYS_TYPES_H 1
  127. # define CURL_PULL_SYS_SOCKET_H 1
  128. # else /* Local (or Little) C Compiler */
  129. # define CURL_TYPEOF_CURL_OFF_T long
  130. # define CURL_FORMAT_CURL_OFF_T "ld"
  131. # define CURL_FORMAT_CURL_OFF_TU "lu"
  132. # define CURL_SUFFIX_CURL_OFF_T L
  133. # define CURL_SUFFIX_CURL_OFF_TU UL
  134. # define CURL_TYPEOF_CURL_SOCKLEN_T int
  135. # endif
  136. #elif defined(macintosh)
  137. # include <ConditionalMacros.h>
  138. # if TYPE_LONGLONG
  139. # define CURL_TYPEOF_CURL_OFF_T long long
  140. # define CURL_FORMAT_CURL_OFF_T "lld"
  141. # define CURL_FORMAT_CURL_OFF_TU "llu"
  142. # define CURL_SUFFIX_CURL_OFF_T LL
  143. # define CURL_SUFFIX_CURL_OFF_TU ULL
  144. # else
  145. # define CURL_TYPEOF_CURL_OFF_T long
  146. # define CURL_FORMAT_CURL_OFF_T "ld"
  147. # define CURL_FORMAT_CURL_OFF_TU "lu"
  148. # define CURL_SUFFIX_CURL_OFF_T L
  149. # define CURL_SUFFIX_CURL_OFF_TU UL
  150. # endif
  151. # define CURL_TYPEOF_CURL_SOCKLEN_T unsigned int
  152. #elif defined(__TANDEM)
  153. # if ! defined(__LP64)
  154. /* Required for 32-bit NonStop builds only. */
  155. # define CURL_TYPEOF_CURL_OFF_T long long
  156. # define CURL_FORMAT_CURL_OFF_T "lld"
  157. # define CURL_FORMAT_CURL_OFF_TU "llu"
  158. # define CURL_SUFFIX_CURL_OFF_T LL
  159. # define CURL_SUFFIX_CURL_OFF_TU ULL
  160. # define CURL_TYPEOF_CURL_SOCKLEN_T int
  161. # endif
  162. #elif defined(_WIN32_WCE)
  163. # define CURL_TYPEOF_CURL_OFF_T __int64
  164. # define CURL_FORMAT_CURL_OFF_T "I64d"
  165. # define CURL_FORMAT_CURL_OFF_TU "I64u"
  166. # define CURL_SUFFIX_CURL_OFF_T i64
  167. # define CURL_SUFFIX_CURL_OFF_TU ui64
  168. # define CURL_TYPEOF_CURL_SOCKLEN_T int
  169. #elif defined(__MINGW32__)
  170. # include <inttypes.h>
  171. # define CURL_TYPEOF_CURL_OFF_T long long
  172. # define CURL_FORMAT_CURL_OFF_T PRId64
  173. # define CURL_FORMAT_CURL_OFF_TU PRIu64
  174. # define CURL_SUFFIX_CURL_OFF_T LL
  175. # define CURL_SUFFIX_CURL_OFF_TU ULL
  176. # define CURL_TYPEOF_CURL_SOCKLEN_T socklen_t
  177. # define CURL_PULL_SYS_TYPES_H 1
  178. # define CURL_PULL_WS2TCPIP_H 1
  179. #elif defined(__VMS)
  180. # if defined(__VAX)
  181. # define CURL_TYPEOF_CURL_OFF_T long
  182. # define CURL_FORMAT_CURL_OFF_T "ld"
  183. # define CURL_FORMAT_CURL_OFF_TU "lu"
  184. # define CURL_SUFFIX_CURL_OFF_T L
  185. # define CURL_SUFFIX_CURL_OFF_TU UL
  186. # else
  187. # define CURL_TYPEOF_CURL_OFF_T long long
  188. # define CURL_FORMAT_CURL_OFF_T "lld"
  189. # define CURL_FORMAT_CURL_OFF_TU "llu"
  190. # define CURL_SUFFIX_CURL_OFF_T LL
  191. # define CURL_SUFFIX_CURL_OFF_TU ULL
  192. # endif
  193. # define CURL_TYPEOF_CURL_SOCKLEN_T unsigned int
  194. #elif defined(__OS400__)
  195. # define CURL_TYPEOF_CURL_OFF_T long long
  196. # define CURL_FORMAT_CURL_OFF_T "lld"
  197. # define CURL_FORMAT_CURL_OFF_TU "llu"
  198. # define CURL_SUFFIX_CURL_OFF_T LL
  199. # define CURL_SUFFIX_CURL_OFF_TU ULL
  200. # define CURL_TYPEOF_CURL_SOCKLEN_T socklen_t
  201. # define CURL_PULL_SYS_TYPES_H 1
  202. # define CURL_PULL_SYS_SOCKET_H 1
  203. #elif defined(__MVS__)
  204. # if defined(_LONG_LONG)
  205. # define CURL_TYPEOF_CURL_OFF_T long long
  206. # define CURL_FORMAT_CURL_OFF_T "lld"
  207. # define CURL_FORMAT_CURL_OFF_TU "llu"
  208. # define CURL_SUFFIX_CURL_OFF_T LL
  209. # define CURL_SUFFIX_CURL_OFF_TU ULL
  210. # elif defined(_LP64)
  211. # define CURL_TYPEOF_CURL_OFF_T long
  212. # define CURL_FORMAT_CURL_OFF_T "ld"
  213. # define CURL_FORMAT_CURL_OFF_TU "lu"
  214. # define CURL_SUFFIX_CURL_OFF_T L
  215. # define CURL_SUFFIX_CURL_OFF_TU UL
  216. # else
  217. # define CURL_TYPEOF_CURL_OFF_T long
  218. # define CURL_FORMAT_CURL_OFF_T "ld"
  219. # define CURL_FORMAT_CURL_OFF_TU "lu"
  220. # define CURL_SUFFIX_CURL_OFF_T L
  221. # define CURL_SUFFIX_CURL_OFF_TU UL
  222. # endif
  223. # define CURL_TYPEOF_CURL_SOCKLEN_T socklen_t
  224. # define CURL_PULL_SYS_TYPES_H 1
  225. # define CURL_PULL_SYS_SOCKET_H 1
  226. #elif defined(__370__)
  227. # if defined(__IBMC__) || defined(__IBMCPP__)
  228. # if defined(_ILP32)
  229. # elif defined(_LP64)
  230. # endif
  231. # if defined(_LONG_LONG)
  232. # define CURL_TYPEOF_CURL_OFF_T long long
  233. # define CURL_FORMAT_CURL_OFF_T "lld"
  234. # define CURL_FORMAT_CURL_OFF_TU "llu"
  235. # define CURL_SUFFIX_CURL_OFF_T LL
  236. # define CURL_SUFFIX_CURL_OFF_TU ULL
  237. # elif defined(_LP64)
  238. # define CURL_TYPEOF_CURL_OFF_T long
  239. # define CURL_FORMAT_CURL_OFF_T "ld"
  240. # define CURL_FORMAT_CURL_OFF_TU "lu"
  241. # define CURL_SUFFIX_CURL_OFF_T L
  242. # define CURL_SUFFIX_CURL_OFF_TU UL
  243. # else
  244. # define CURL_TYPEOF_CURL_OFF_T long
  245. # define CURL_FORMAT_CURL_OFF_T "ld"
  246. # define CURL_FORMAT_CURL_OFF_TU "lu"
  247. # define CURL_SUFFIX_CURL_OFF_T L
  248. # define CURL_SUFFIX_CURL_OFF_TU UL
  249. # endif
  250. # define CURL_TYPEOF_CURL_SOCKLEN_T socklen_t
  251. # define CURL_PULL_SYS_TYPES_H 1
  252. # define CURL_PULL_SYS_SOCKET_H 1
  253. # endif
  254. #elif defined(TPF)
  255. # define CURL_TYPEOF_CURL_OFF_T long
  256. # define CURL_FORMAT_CURL_OFF_T "ld"
  257. # define CURL_FORMAT_CURL_OFF_TU "lu"
  258. # define CURL_SUFFIX_CURL_OFF_T L
  259. # define CURL_SUFFIX_CURL_OFF_TU UL
  260. # define CURL_TYPEOF_CURL_SOCKLEN_T int
  261. #elif defined(__TINYC__) /* also known as tcc */
  262. # define CURL_TYPEOF_CURL_OFF_T long long
  263. # define CURL_FORMAT_CURL_OFF_T "lld"
  264. # define CURL_FORMAT_CURL_OFF_TU "llu"
  265. # define CURL_SUFFIX_CURL_OFF_T LL
  266. # define CURL_SUFFIX_CURL_OFF_TU ULL
  267. # define CURL_TYPEOF_CURL_SOCKLEN_T socklen_t
  268. # define CURL_PULL_SYS_TYPES_H 1
  269. # define CURL_PULL_SYS_SOCKET_H 1
  270. #elif defined(__SUNPRO_C) || defined(__SUNPRO_CC) /* Oracle Solaris Studio */
  271. # if !defined(__LP64) && (defined(__ILP32) || \
  272. defined(__i386) || \
  273. defined(__sparcv8) || \
  274. defined(__sparcv8plus))
  275. # define CURL_TYPEOF_CURL_OFF_T long long
  276. # define CURL_FORMAT_CURL_OFF_T "lld"
  277. # define CURL_FORMAT_CURL_OFF_TU "llu"
  278. # define CURL_SUFFIX_CURL_OFF_T LL
  279. # define CURL_SUFFIX_CURL_OFF_TU ULL
  280. # elif defined(__LP64) || \
  281. defined(__amd64) || defined(__sparcv9)
  282. # define CURL_TYPEOF_CURL_OFF_T long
  283. # define CURL_FORMAT_CURL_OFF_T "ld"
  284. # define CURL_FORMAT_CURL_OFF_TU "lu"
  285. # define CURL_SUFFIX_CURL_OFF_T L
  286. # define CURL_SUFFIX_CURL_OFF_TU UL
  287. # endif
  288. # define CURL_TYPEOF_CURL_SOCKLEN_T socklen_t
  289. # define CURL_PULL_SYS_TYPES_H 1
  290. # define CURL_PULL_SYS_SOCKET_H 1
  291. #elif defined(__xlc__) /* IBM xlc compiler */
  292. # if !defined(_LP64)
  293. # define CURL_TYPEOF_CURL_OFF_T long long
  294. # define CURL_FORMAT_CURL_OFF_T "lld"
  295. # define CURL_FORMAT_CURL_OFF_TU "llu"
  296. # define CURL_SUFFIX_CURL_OFF_T LL
  297. # define CURL_SUFFIX_CURL_OFF_TU ULL
  298. # else
  299. # define CURL_TYPEOF_CURL_OFF_T long
  300. # define CURL_FORMAT_CURL_OFF_T "ld"
  301. # define CURL_FORMAT_CURL_OFF_TU "lu"
  302. # define CURL_SUFFIX_CURL_OFF_T L
  303. # define CURL_SUFFIX_CURL_OFF_TU UL
  304. # endif
  305. # define CURL_TYPEOF_CURL_SOCKLEN_T socklen_t
  306. # define CURL_PULL_SYS_TYPES_H 1
  307. # define CURL_PULL_SYS_SOCKET_H 1
  308. #elif defined(__hpux) /* HP aCC compiler */
  309. # if !defined(_LP64)
  310. # define CURL_TYPEOF_CURL_OFF_T long long
  311. # define CURL_FORMAT_CURL_OFF_T "lld"
  312. # define CURL_FORMAT_CURL_OFF_TU "llu"
  313. # define CURL_SUFFIX_CURL_OFF_T LL
  314. # define CURL_SUFFIX_CURL_OFF_TU ULL
  315. # else
  316. # define CURL_TYPEOF_CURL_OFF_T long
  317. # define CURL_FORMAT_CURL_OFF_T "ld"
  318. # define CURL_FORMAT_CURL_OFF_TU "lu"
  319. # define CURL_SUFFIX_CURL_OFF_T L
  320. # define CURL_SUFFIX_CURL_OFF_TU UL
  321. # endif
  322. # define CURL_TYPEOF_CURL_SOCKLEN_T socklen_t
  323. # define CURL_PULL_SYS_TYPES_H 1
  324. # define CURL_PULL_SYS_SOCKET_H 1
  325. /* ===================================== */
  326. /* KEEP MSVC THE PENULTIMATE ENTRY */
  327. /* ===================================== */
  328. #elif defined(_MSC_VER)
  329. # if (_MSC_VER >= 1800)
  330. # include <inttypes.h>
  331. # define CURL_TYPEOF_CURL_OFF_T __int64
  332. # define CURL_FORMAT_CURL_OFF_T PRId64
  333. # define CURL_FORMAT_CURL_OFF_TU PRIu64
  334. # define CURL_SUFFIX_CURL_OFF_T i64
  335. # define CURL_SUFFIX_CURL_OFF_TU ui64
  336. # elif (_MSC_VER >= 900) && (_INTEGRAL_MAX_BITS >= 64)
  337. # define CURL_TYPEOF_CURL_OFF_T __int64
  338. # define CURL_FORMAT_CURL_OFF_T "I64d"
  339. # define CURL_FORMAT_CURL_OFF_TU "I64u"
  340. # define CURL_SUFFIX_CURL_OFF_T i64
  341. # define CURL_SUFFIX_CURL_OFF_TU ui64
  342. # else
  343. # define CURL_TYPEOF_CURL_OFF_T long
  344. # define CURL_FORMAT_CURL_OFF_T "ld"
  345. # define CURL_FORMAT_CURL_OFF_TU "lu"
  346. # define CURL_SUFFIX_CURL_OFF_T L
  347. # define CURL_SUFFIX_CURL_OFF_TU UL
  348. # endif
  349. # define CURL_TYPEOF_CURL_SOCKLEN_T int
  350. /* ===================================== */
  351. /* KEEP GENERIC GCC THE LAST ENTRY */
  352. /* ===================================== */
  353. #elif defined(__GNUC__) && !defined(_SCO_DS)
  354. # if !defined(__LP64__) && \
  355. (defined(__ILP32__) || defined(__i386__) || defined(__hppa__) || \
  356. defined(__ppc__) || defined(__powerpc__) || defined(__arm__) || \
  357. defined(__sparc__) || defined(__mips__) || defined(__sh__) || \
  358. defined(__XTENSA__) || \
  359. (defined(__SIZEOF_LONG__) && __SIZEOF_LONG__ == 4) || \
  360. (defined(__LONG_MAX__) && __LONG_MAX__ == 2147483647L))
  361. # define CURL_TYPEOF_CURL_OFF_T long long
  362. # define CURL_FORMAT_CURL_OFF_T "lld"
  363. # define CURL_FORMAT_CURL_OFF_TU "llu"
  364. # define CURL_SUFFIX_CURL_OFF_T LL
  365. # define CURL_SUFFIX_CURL_OFF_TU ULL
  366. # elif defined(__LP64__) || \
  367. defined(__x86_64__) || defined(__ppc64__) || defined(__sparc64__) || \
  368. defined(__e2k__) || \
  369. (defined(__SIZEOF_LONG__) && __SIZEOF_LONG__ == 8) || \
  370. (defined(__LONG_MAX__) && __LONG_MAX__ == 9223372036854775807L)
  371. # define CURL_TYPEOF_CURL_OFF_T long
  372. # define CURL_FORMAT_CURL_OFF_T "ld"
  373. # define CURL_FORMAT_CURL_OFF_TU "lu"
  374. # define CURL_SUFFIX_CURL_OFF_T L
  375. # define CURL_SUFFIX_CURL_OFF_TU UL
  376. # endif
  377. # define CURL_TYPEOF_CURL_SOCKLEN_T socklen_t
  378. # define CURL_PULL_SYS_TYPES_H 1
  379. # define CURL_PULL_SYS_SOCKET_H 1
  380. #else
  381. /* generic "safe guess" on old 32 bit style */
  382. # define CURL_TYPEOF_CURL_OFF_T long
  383. # define CURL_FORMAT_CURL_OFF_T "ld"
  384. # define CURL_FORMAT_CURL_OFF_TU "lu"
  385. # define CURL_SUFFIX_CURL_OFF_T L
  386. # define CURL_SUFFIX_CURL_OFF_TU UL
  387. # define CURL_TYPEOF_CURL_SOCKLEN_T int
  388. #endif
  389. #ifdef _AIX
  390. /* AIX needs <sys/poll.h> */
  391. #define CURL_PULL_SYS_POLL_H
  392. #endif
  393. /* CURL_PULL_WS2TCPIP_H is defined above when inclusion of header file */
  394. /* ws2tcpip.h is required here to properly make type definitions below. */
  395. #ifdef CURL_PULL_WS2TCPIP_H
  396. # include <winsock2.h>
  397. # include <windows.h>
  398. # include <ws2tcpip.h>
  399. #endif
  400. /* CURL_PULL_SYS_TYPES_H is defined above when inclusion of header file */
  401. /* sys/types.h is required here to properly make type definitions below. */
  402. #ifdef CURL_PULL_SYS_TYPES_H
  403. # include <sys/types.h>
  404. #endif
  405. /* CURL_PULL_SYS_SOCKET_H is defined above when inclusion of header file */
  406. /* sys/socket.h is required here to properly make type definitions below. */
  407. #ifdef CURL_PULL_SYS_SOCKET_H
  408. # include <sys/socket.h>
  409. #endif
  410. /* CURL_PULL_SYS_POLL_H is defined above when inclusion of header file */
  411. /* sys/poll.h is required here to properly make type definitions below. */
  412. #ifdef CURL_PULL_SYS_POLL_H
  413. # include <sys/poll.h>
  414. #endif
  415. /* Data type definition of curl_socklen_t. */
  416. #ifdef CURL_TYPEOF_CURL_SOCKLEN_T
  417. typedef CURL_TYPEOF_CURL_SOCKLEN_T curl_socklen_t;
  418. #endif
  419. /* Data type definition of curl_off_t. */
  420. #ifdef CURL_TYPEOF_CURL_OFF_T
  421. typedef CURL_TYPEOF_CURL_OFF_T curl_off_t;
  422. #endif
  423. /*
  424. * CURL_ISOCPP and CURL_OFF_T_C definitions are done here in order to allow
  425. * these to be visible and exported by the external libcurl interface API,
  426. * while also making them visible to the library internals, simply including
  427. * curl_setup.h, without actually needing to include curl.h internally.
  428. * If some day this section would grow big enough, all this should be moved
  429. * to its own header file.
  430. */
  431. /*
  432. * Figure out if we can use the ## preprocessor operator, which is supported
  433. * by ISO/ANSI C and C++. Some compilers support it without setting __STDC__
  434. * or __cplusplus so we need to carefully check for them too.
  435. */
  436. #if defined(__STDC__) || defined(_MSC_VER) || defined(__cplusplus) || \
  437. defined(__HP_aCC) || defined(__BORLANDC__) || defined(__LCC__) || \
  438. defined(__POCC__) || defined(__SALFORDC__) || defined(__HIGHC__) || \
  439. defined(__ILEC400__)
  440. /* This compiler is believed to have an ISO compatible preprocessor */
  441. #define CURL_ISOCPP
  442. #else
  443. /* This compiler is believed NOT to have an ISO compatible preprocessor */
  444. #undef CURL_ISOCPP
  445. #endif
  446. /*
  447. * Macros for minimum-width signed and unsigned curl_off_t integer constants.
  448. */
  449. #if defined(__BORLANDC__) && (__BORLANDC__ == 0x0551)
  450. # define CURLINC_OFF_T_C_HLPR2(x) x
  451. # define CURLINC_OFF_T_C_HLPR1(x) CURLINC_OFF_T_C_HLPR2(x)
  452. # define CURL_OFF_T_C(Val) CURLINC_OFF_T_C_HLPR1(Val) ## \
  453. CURLINC_OFF_T_C_HLPR1(CURL_SUFFIX_CURL_OFF_T)
  454. # define CURL_OFF_TU_C(Val) CURLINC_OFF_T_C_HLPR1(Val) ## \
  455. CURLINC_OFF_T_C_HLPR1(CURL_SUFFIX_CURL_OFF_TU)
  456. #else
  457. # ifdef CURL_ISOCPP
  458. # define CURLINC_OFF_T_C_HLPR2(Val,Suffix) Val ## Suffix
  459. # else
  460. # define CURLINC_OFF_T_C_HLPR2(Val,Suffix) Val/**/Suffix
  461. # endif
  462. # define CURLINC_OFF_T_C_HLPR1(Val,Suffix) CURLINC_OFF_T_C_HLPR2(Val,Suffix)
  463. # define CURL_OFF_T_C(Val) CURLINC_OFF_T_C_HLPR1(Val,CURL_SUFFIX_CURL_OFF_T)
  464. # define CURL_OFF_TU_C(Val) CURLINC_OFF_T_C_HLPR1(Val,CURL_SUFFIX_CURL_OFF_TU)
  465. #endif
  466. #endif /* CURLINC_SYSTEM_H */