system.h 18 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) 1998 - 2022, Daniel Stenberg, <daniel@haxx.se>, 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. ***************************************************************************/
  24. /*
  25. * Try to keep one section per platform, compiler and architecture, otherwise,
  26. * if an existing section is reused for a different one and later on the
  27. * original is adjusted, probably the piggybacking one can be adversely
  28. * changed.
  29. *
  30. * In order to differentiate between platforms/compilers/architectures use
  31. * only compiler built in predefined preprocessor symbols.
  32. *
  33. * curl_off_t
  34. * ----------
  35. *
  36. * For any given platform/compiler curl_off_t must be typedef'ed to a 64-bit
  37. * wide signed integral data type. The width of this data type must remain
  38. * constant and independent of any possible large file support settings.
  39. *
  40. * As an exception to the above, curl_off_t shall be typedef'ed to a 32-bit
  41. * wide signed integral data type if there is no 64-bit type.
  42. *
  43. * As a general rule, curl_off_t shall not be mapped to off_t. This rule shall
  44. * only be violated if off_t is the only 64-bit data type available and the
  45. * size of off_t is independent of large file support settings. Keep your
  46. * build on the safe side avoiding an off_t gating. If you have a 64-bit
  47. * off_t then take for sure that another 64-bit data type exists, dig deeper
  48. * and you will find it.
  49. *
  50. */
  51. #if defined(__DJGPP__) || defined(__GO32__)
  52. # if defined(__DJGPP__) && (__DJGPP__ > 1)
  53. # define CURL_TYPEOF_CURL_OFF_T long long
  54. # define CURL_FORMAT_CURL_OFF_T "lld"
  55. # define CURL_FORMAT_CURL_OFF_TU "llu"
  56. # define CURL_SUFFIX_CURL_OFF_T LL
  57. # define CURL_SUFFIX_CURL_OFF_TU ULL
  58. # else
  59. # define CURL_TYPEOF_CURL_OFF_T long
  60. # define CURL_FORMAT_CURL_OFF_T "ld"
  61. # define CURL_FORMAT_CURL_OFF_TU "lu"
  62. # define CURL_SUFFIX_CURL_OFF_T L
  63. # define CURL_SUFFIX_CURL_OFF_TU UL
  64. # endif
  65. # define CURL_TYPEOF_CURL_SOCKLEN_T int
  66. #elif defined(__SALFORDC__)
  67. # define CURL_TYPEOF_CURL_OFF_T long
  68. # define CURL_FORMAT_CURL_OFF_T "ld"
  69. # define CURL_FORMAT_CURL_OFF_TU "lu"
  70. # define CURL_SUFFIX_CURL_OFF_T L
  71. # define CURL_SUFFIX_CURL_OFF_TU UL
  72. # define CURL_TYPEOF_CURL_SOCKLEN_T int
  73. #elif defined(__BORLANDC__)
  74. # if (__BORLANDC__ < 0x520)
  75. # define CURL_TYPEOF_CURL_OFF_T long
  76. # define CURL_FORMAT_CURL_OFF_T "ld"
  77. # define CURL_FORMAT_CURL_OFF_TU "lu"
  78. # define CURL_SUFFIX_CURL_OFF_T L
  79. # define CURL_SUFFIX_CURL_OFF_TU UL
  80. # else
  81. # define CURL_TYPEOF_CURL_OFF_T __int64
  82. # define CURL_FORMAT_CURL_OFF_T "I64d"
  83. # define CURL_FORMAT_CURL_OFF_TU "I64u"
  84. # define CURL_SUFFIX_CURL_OFF_T i64
  85. # define CURL_SUFFIX_CURL_OFF_TU ui64
  86. # endif
  87. # define CURL_TYPEOF_CURL_SOCKLEN_T int
  88. #elif defined(__TURBOC__)
  89. # define CURL_TYPEOF_CURL_OFF_T long
  90. # define CURL_FORMAT_CURL_OFF_T "ld"
  91. # define CURL_FORMAT_CURL_OFF_TU "lu"
  92. # define CURL_SUFFIX_CURL_OFF_T L
  93. # define CURL_SUFFIX_CURL_OFF_TU UL
  94. # define CURL_TYPEOF_CURL_SOCKLEN_T int
  95. #elif defined(__POCC__)
  96. # if (__POCC__ < 280)
  97. # define CURL_TYPEOF_CURL_OFF_T long
  98. # define CURL_FORMAT_CURL_OFF_T "ld"
  99. # define CURL_FORMAT_CURL_OFF_TU "lu"
  100. # define CURL_SUFFIX_CURL_OFF_T L
  101. # define CURL_SUFFIX_CURL_OFF_TU UL
  102. # elif defined(_MSC_VER)
  103. # define CURL_TYPEOF_CURL_OFF_T __int64
  104. # define CURL_FORMAT_CURL_OFF_T "I64d"
  105. # define CURL_FORMAT_CURL_OFF_TU "I64u"
  106. # define CURL_SUFFIX_CURL_OFF_T i64
  107. # define CURL_SUFFIX_CURL_OFF_TU ui64
  108. # else
  109. # define CURL_TYPEOF_CURL_OFF_T long long
  110. # define CURL_FORMAT_CURL_OFF_T "lld"
  111. # define CURL_FORMAT_CURL_OFF_TU "llu"
  112. # define CURL_SUFFIX_CURL_OFF_T LL
  113. # define CURL_SUFFIX_CURL_OFF_TU ULL
  114. # endif
  115. # define CURL_TYPEOF_CURL_SOCKLEN_T int
  116. #elif defined(__LCC__)
  117. # if defined(__e2k__) /* MCST eLbrus C Compiler */
  118. # define CURL_TYPEOF_CURL_OFF_T long
  119. # define CURL_FORMAT_CURL_OFF_T "ld"
  120. # define CURL_FORMAT_CURL_OFF_TU "lu"
  121. # define CURL_SUFFIX_CURL_OFF_T L
  122. # define CURL_SUFFIX_CURL_OFF_TU UL
  123. # define CURL_TYPEOF_CURL_SOCKLEN_T socklen_t
  124. # define CURL_PULL_SYS_TYPES_H 1
  125. # define CURL_PULL_SYS_SOCKET_H 1
  126. # else /* Local (or Little) C Compiler */
  127. # define CURL_TYPEOF_CURL_OFF_T long
  128. # define CURL_FORMAT_CURL_OFF_T "ld"
  129. # define CURL_FORMAT_CURL_OFF_TU "lu"
  130. # define CURL_SUFFIX_CURL_OFF_T L
  131. # define CURL_SUFFIX_CURL_OFF_TU UL
  132. # define CURL_TYPEOF_CURL_SOCKLEN_T int
  133. # endif
  134. #elif defined(__SYMBIAN32__)
  135. # if defined(__EABI__) /* Treat all ARM compilers equally */
  136. # define CURL_TYPEOF_CURL_OFF_T long long
  137. # define CURL_FORMAT_CURL_OFF_T "lld"
  138. # define CURL_FORMAT_CURL_OFF_TU "llu"
  139. # define CURL_SUFFIX_CURL_OFF_T LL
  140. # define CURL_SUFFIX_CURL_OFF_TU ULL
  141. # elif defined(__CW32__)
  142. # pragma longlong on
  143. # define CURL_TYPEOF_CURL_OFF_T long long
  144. # define CURL_FORMAT_CURL_OFF_T "lld"
  145. # define CURL_FORMAT_CURL_OFF_TU "llu"
  146. # define CURL_SUFFIX_CURL_OFF_T LL
  147. # define CURL_SUFFIX_CURL_OFF_TU ULL
  148. # elif defined(__VC32__)
  149. # define CURL_TYPEOF_CURL_OFF_T __int64
  150. # define CURL_FORMAT_CURL_OFF_T "lld"
  151. # define CURL_FORMAT_CURL_OFF_TU "llu"
  152. # define CURL_SUFFIX_CURL_OFF_T LL
  153. # define CURL_SUFFIX_CURL_OFF_TU ULL
  154. # endif
  155. # define CURL_TYPEOF_CURL_SOCKLEN_T unsigned int
  156. #elif defined(__MWERKS__)
  157. # define CURL_TYPEOF_CURL_OFF_T long long
  158. # define CURL_FORMAT_CURL_OFF_T "lld"
  159. # define CURL_FORMAT_CURL_OFF_TU "llu"
  160. # define CURL_SUFFIX_CURL_OFF_T LL
  161. # define CURL_SUFFIX_CURL_OFF_TU ULL
  162. # define CURL_TYPEOF_CURL_SOCKLEN_T int
  163. #elif defined(_WIN32_WCE)
  164. # define CURL_TYPEOF_CURL_OFF_T __int64
  165. # define CURL_FORMAT_CURL_OFF_T "I64d"
  166. # define CURL_FORMAT_CURL_OFF_TU "I64u"
  167. # define CURL_SUFFIX_CURL_OFF_T i64
  168. # define CURL_SUFFIX_CURL_OFF_TU ui64
  169. # define CURL_TYPEOF_CURL_SOCKLEN_T int
  170. #elif defined(__MINGW32__)
  171. # define CURL_TYPEOF_CURL_OFF_T long long
  172. # define CURL_FORMAT_CURL_OFF_T "I64d"
  173. # define CURL_FORMAT_CURL_OFF_TU "I64u"
  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. # if defined(__ILEC400__)
  196. # define CURL_TYPEOF_CURL_OFF_T long long
  197. # define CURL_FORMAT_CURL_OFF_T "lld"
  198. # define CURL_FORMAT_CURL_OFF_TU "llu"
  199. # define CURL_SUFFIX_CURL_OFF_T LL
  200. # define CURL_SUFFIX_CURL_OFF_TU ULL
  201. # define CURL_TYPEOF_CURL_SOCKLEN_T socklen_t
  202. # define CURL_PULL_SYS_TYPES_H 1
  203. # define CURL_PULL_SYS_SOCKET_H 1
  204. # endif
  205. #elif defined(__MVS__)
  206. # if defined(__IBMC__) || defined(__IBMCPP__)
  207. # if defined(_ILP32)
  208. # elif defined(_LP64)
  209. # endif
  210. # if defined(_LONG_LONG)
  211. # define CURL_TYPEOF_CURL_OFF_T long long
  212. # define CURL_FORMAT_CURL_OFF_T "lld"
  213. # define CURL_FORMAT_CURL_OFF_TU "llu"
  214. # define CURL_SUFFIX_CURL_OFF_T LL
  215. # define CURL_SUFFIX_CURL_OFF_TU ULL
  216. # elif defined(_LP64)
  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. # else
  223. # define CURL_TYPEOF_CURL_OFF_T long
  224. # define CURL_FORMAT_CURL_OFF_T "ld"
  225. # define CURL_FORMAT_CURL_OFF_TU "lu"
  226. # define CURL_SUFFIX_CURL_OFF_T L
  227. # define CURL_SUFFIX_CURL_OFF_TU UL
  228. # endif
  229. # define CURL_TYPEOF_CURL_SOCKLEN_T socklen_t
  230. # define CURL_PULL_SYS_TYPES_H 1
  231. # define CURL_PULL_SYS_SOCKET_H 1
  232. # endif
  233. #elif defined(__370__)
  234. # if defined(__IBMC__) || defined(__IBMCPP__)
  235. # if defined(_ILP32)
  236. # elif defined(_LP64)
  237. # endif
  238. # if defined(_LONG_LONG)
  239. # define CURL_TYPEOF_CURL_OFF_T long long
  240. # define CURL_FORMAT_CURL_OFF_T "lld"
  241. # define CURL_FORMAT_CURL_OFF_TU "llu"
  242. # define CURL_SUFFIX_CURL_OFF_T LL
  243. # define CURL_SUFFIX_CURL_OFF_TU ULL
  244. # elif defined(_LP64)
  245. # define CURL_TYPEOF_CURL_OFF_T long
  246. # define CURL_FORMAT_CURL_OFF_T "ld"
  247. # define CURL_FORMAT_CURL_OFF_TU "lu"
  248. # define CURL_SUFFIX_CURL_OFF_T L
  249. # define CURL_SUFFIX_CURL_OFF_TU UL
  250. # else
  251. # define CURL_TYPEOF_CURL_OFF_T long
  252. # define CURL_FORMAT_CURL_OFF_T "ld"
  253. # define CURL_FORMAT_CURL_OFF_TU "lu"
  254. # define CURL_SUFFIX_CURL_OFF_T L
  255. # define CURL_SUFFIX_CURL_OFF_TU UL
  256. # endif
  257. # define CURL_TYPEOF_CURL_SOCKLEN_T socklen_t
  258. # define CURL_PULL_SYS_TYPES_H 1
  259. # define CURL_PULL_SYS_SOCKET_H 1
  260. # endif
  261. #elif defined(TPF)
  262. # define CURL_TYPEOF_CURL_OFF_T long
  263. # define CURL_FORMAT_CURL_OFF_T "ld"
  264. # define CURL_FORMAT_CURL_OFF_TU "lu"
  265. # define CURL_SUFFIX_CURL_OFF_T L
  266. # define CURL_SUFFIX_CURL_OFF_TU UL
  267. # define CURL_TYPEOF_CURL_SOCKLEN_T int
  268. #elif defined(__TINYC__) /* also known as tcc */
  269. # define CURL_TYPEOF_CURL_OFF_T long long
  270. # define CURL_FORMAT_CURL_OFF_T "lld"
  271. # define CURL_FORMAT_CURL_OFF_TU "llu"
  272. # define CURL_SUFFIX_CURL_OFF_T LL
  273. # define CURL_SUFFIX_CURL_OFF_TU ULL
  274. # define CURL_TYPEOF_CURL_SOCKLEN_T socklen_t
  275. # define CURL_PULL_SYS_TYPES_H 1
  276. # define CURL_PULL_SYS_SOCKET_H 1
  277. #elif defined(__SUNPRO_C) || defined(__SUNPRO_CC) /* Oracle Solaris Studio */
  278. # if !defined(__LP64) && (defined(__ILP32) || \
  279. defined(__i386) || \
  280. defined(__sparcv8) || \
  281. defined(__sparcv8plus))
  282. # define CURL_TYPEOF_CURL_OFF_T long long
  283. # define CURL_FORMAT_CURL_OFF_T "lld"
  284. # define CURL_FORMAT_CURL_OFF_TU "llu"
  285. # define CURL_SUFFIX_CURL_OFF_T LL
  286. # define CURL_SUFFIX_CURL_OFF_TU ULL
  287. # elif defined(__LP64) || \
  288. defined(__amd64) || defined(__sparcv9)
  289. # define CURL_TYPEOF_CURL_OFF_T long
  290. # define CURL_FORMAT_CURL_OFF_T "ld"
  291. # define CURL_FORMAT_CURL_OFF_TU "lu"
  292. # define CURL_SUFFIX_CURL_OFF_T L
  293. # define CURL_SUFFIX_CURL_OFF_TU UL
  294. # endif
  295. # define CURL_TYPEOF_CURL_SOCKLEN_T socklen_t
  296. # define CURL_PULL_SYS_TYPES_H 1
  297. # define CURL_PULL_SYS_SOCKET_H 1
  298. #elif defined(__xlc__) /* IBM xlc compiler */
  299. # if !defined(_LP64)
  300. # define CURL_TYPEOF_CURL_OFF_T long long
  301. # define CURL_FORMAT_CURL_OFF_T "lld"
  302. # define CURL_FORMAT_CURL_OFF_TU "llu"
  303. # define CURL_SUFFIX_CURL_OFF_T LL
  304. # define CURL_SUFFIX_CURL_OFF_TU ULL
  305. # else
  306. # define CURL_TYPEOF_CURL_OFF_T long
  307. # define CURL_FORMAT_CURL_OFF_T "ld"
  308. # define CURL_FORMAT_CURL_OFF_TU "lu"
  309. # define CURL_SUFFIX_CURL_OFF_T L
  310. # define CURL_SUFFIX_CURL_OFF_TU UL
  311. # endif
  312. # define CURL_TYPEOF_CURL_SOCKLEN_T socklen_t
  313. # define CURL_PULL_SYS_TYPES_H 1
  314. # define CURL_PULL_SYS_SOCKET_H 1
  315. /* ===================================== */
  316. /* KEEP MSVC THE PENULTIMATE ENTRY */
  317. /* ===================================== */
  318. #elif defined(_MSC_VER)
  319. # if (_MSC_VER >= 900) && (_INTEGRAL_MAX_BITS >= 64)
  320. # define CURL_TYPEOF_CURL_OFF_T __int64
  321. # define CURL_FORMAT_CURL_OFF_T "I64d"
  322. # define CURL_FORMAT_CURL_OFF_TU "I64u"
  323. # define CURL_SUFFIX_CURL_OFF_T i64
  324. # define CURL_SUFFIX_CURL_OFF_TU ui64
  325. # else
  326. # define CURL_TYPEOF_CURL_OFF_T long
  327. # define CURL_FORMAT_CURL_OFF_T "ld"
  328. # define CURL_FORMAT_CURL_OFF_TU "lu"
  329. # define CURL_SUFFIX_CURL_OFF_T L
  330. # define CURL_SUFFIX_CURL_OFF_TU UL
  331. # endif
  332. # define CURL_TYPEOF_CURL_SOCKLEN_T int
  333. /* ===================================== */
  334. /* KEEP GENERIC GCC THE LAST ENTRY */
  335. /* ===================================== */
  336. #elif defined(__GNUC__) && !defined(_SCO_DS)
  337. # if !defined(__LP64__) && \
  338. (defined(__ILP32__) || defined(__i386__) || defined(__hppa__) || \
  339. defined(__ppc__) || defined(__powerpc__) || defined(__arm__) || \
  340. defined(__sparc__) || defined(__mips__) || defined(__sh__) || \
  341. defined(__XTENSA__) || \
  342. (defined(__SIZEOF_LONG__) && __SIZEOF_LONG__ == 4) || \
  343. (defined(__LONG_MAX__) && __LONG_MAX__ == 2147483647L))
  344. # define CURL_TYPEOF_CURL_OFF_T long long
  345. # define CURL_FORMAT_CURL_OFF_T "lld"
  346. # define CURL_FORMAT_CURL_OFF_TU "llu"
  347. # define CURL_SUFFIX_CURL_OFF_T LL
  348. # define CURL_SUFFIX_CURL_OFF_TU ULL
  349. # elif defined(__LP64__) || \
  350. defined(__x86_64__) || defined(__ppc64__) || defined(__sparc64__) || \
  351. defined(__e2k__) || \
  352. (defined(__SIZEOF_LONG__) && __SIZEOF_LONG__ == 8) || \
  353. (defined(__LONG_MAX__) && __LONG_MAX__ == 9223372036854775807L)
  354. # define CURL_TYPEOF_CURL_OFF_T long
  355. # define CURL_FORMAT_CURL_OFF_T "ld"
  356. # define CURL_FORMAT_CURL_OFF_TU "lu"
  357. # define CURL_SUFFIX_CURL_OFF_T L
  358. # define CURL_SUFFIX_CURL_OFF_TU UL
  359. # endif
  360. # define CURL_TYPEOF_CURL_SOCKLEN_T socklen_t
  361. # define CURL_PULL_SYS_TYPES_H 1
  362. # define CURL_PULL_SYS_SOCKET_H 1
  363. #else
  364. /* generic "safe guess" on old 32 bit style */
  365. # define CURL_TYPEOF_CURL_OFF_T long
  366. # define CURL_FORMAT_CURL_OFF_T "ld"
  367. # define CURL_FORMAT_CURL_OFF_TU "lu"
  368. # define CURL_SUFFIX_CURL_OFF_T L
  369. # define CURL_SUFFIX_CURL_OFF_TU UL
  370. # define CURL_TYPEOF_CURL_SOCKLEN_T int
  371. #endif
  372. #ifdef _AIX
  373. /* AIX needs <sys/poll.h> */
  374. #define CURL_PULL_SYS_POLL_H
  375. #endif
  376. /* CURL_PULL_WS2TCPIP_H is defined above when inclusion of header file */
  377. /* ws2tcpip.h is required here to properly make type definitions below. */
  378. #ifdef CURL_PULL_WS2TCPIP_H
  379. # include <winsock2.h>
  380. # include <windows.h>
  381. # include <ws2tcpip.h>
  382. #endif
  383. /* CURL_PULL_SYS_TYPES_H is defined above when inclusion of header file */
  384. /* sys/types.h is required here to properly make type definitions below. */
  385. #ifdef CURL_PULL_SYS_TYPES_H
  386. # include <sys/types.h>
  387. #endif
  388. /* CURL_PULL_SYS_SOCKET_H is defined above when inclusion of header file */
  389. /* sys/socket.h is required here to properly make type definitions below. */
  390. #ifdef CURL_PULL_SYS_SOCKET_H
  391. # include <sys/socket.h>
  392. #endif
  393. /* CURL_PULL_SYS_POLL_H is defined above when inclusion of header file */
  394. /* sys/poll.h is required here to properly make type definitions below. */
  395. #ifdef CURL_PULL_SYS_POLL_H
  396. # include <sys/poll.h>
  397. #endif
  398. /* Data type definition of curl_socklen_t. */
  399. #ifdef CURL_TYPEOF_CURL_SOCKLEN_T
  400. typedef CURL_TYPEOF_CURL_SOCKLEN_T curl_socklen_t;
  401. #endif
  402. /* Data type definition of curl_off_t. */
  403. #ifdef CURL_TYPEOF_CURL_OFF_T
  404. typedef CURL_TYPEOF_CURL_OFF_T curl_off_t;
  405. #endif
  406. /*
  407. * CURL_ISOCPP and CURL_OFF_T_C definitions are done here in order to allow
  408. * these to be visible and exported by the external libcurl interface API,
  409. * while also making them visible to the library internals, simply including
  410. * curl_setup.h, without actually needing to include curl.h internally.
  411. * If some day this section would grow big enough, all this should be moved
  412. * to its own header file.
  413. */
  414. /*
  415. * Figure out if we can use the ## preprocessor operator, which is supported
  416. * by ISO/ANSI C and C++. Some compilers support it without setting __STDC__
  417. * or __cplusplus so we need to carefully check for them too.
  418. */
  419. #if defined(__STDC__) || defined(_MSC_VER) || defined(__cplusplus) || \
  420. defined(__HP_aCC) || defined(__BORLANDC__) || defined(__LCC__) || \
  421. defined(__POCC__) || defined(__SALFORDC__) || defined(__HIGHC__) || \
  422. defined(__ILEC400__)
  423. /* This compiler is believed to have an ISO compatible preprocessor */
  424. #define CURL_ISOCPP
  425. #else
  426. /* This compiler is believed NOT to have an ISO compatible preprocessor */
  427. #undef CURL_ISOCPP
  428. #endif
  429. /*
  430. * Macros for minimum-width signed and unsigned curl_off_t integer constants.
  431. */
  432. #if defined(__BORLANDC__) && (__BORLANDC__ == 0x0551)
  433. # define CURLINC_OFF_T_C_HLPR2(x) x
  434. # define CURLINC_OFF_T_C_HLPR1(x) CURLINC_OFF_T_C_HLPR2(x)
  435. # define CURL_OFF_T_C(Val) CURLINC_OFF_T_C_HLPR1(Val) ## \
  436. CURLINC_OFF_T_C_HLPR1(CURL_SUFFIX_CURL_OFF_T)
  437. # define CURL_OFF_TU_C(Val) CURLINC_OFF_T_C_HLPR1(Val) ## \
  438. CURLINC_OFF_T_C_HLPR1(CURL_SUFFIX_CURL_OFF_TU)
  439. #else
  440. # ifdef CURL_ISOCPP
  441. # define CURLINC_OFF_T_C_HLPR2(Val,Suffix) Val ## Suffix
  442. # else
  443. # define CURLINC_OFF_T_C_HLPR2(Val,Suffix) Val/**/Suffix
  444. # endif
  445. # define CURLINC_OFF_T_C_HLPR1(Val,Suffix) CURLINC_OFF_T_C_HLPR2(Val,Suffix)
  446. # define CURL_OFF_T_C(Val) CURLINC_OFF_T_C_HLPR1(Val,CURL_SUFFIX_CURL_OFF_T)
  447. # define CURL_OFF_TU_C(Val) CURLINC_OFF_T_C_HLPR1(Val,CURL_SUFFIX_CURL_OFF_TU)
  448. #endif
  449. #endif /* CURLINC_SYSTEM_H */