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  1. /*
  2.  * Copyright (c) 2004, 2005 by
  3.  * Ralf Corsepius, Ulm/Germany. All rights reserved.
  4.  *
  5.  * Permission to use, copy, modify, and distribute this software
  6.  * is freely granted, provided that this notice is preserved.
  7.  */
  8.  
  9. #ifndef _STDINT_H
  10. #define _STDINT_H
  11.  
  12. #ifdef __cplusplus
  13. extern "C" {
  14. #endif
  15.  
  16. #if defined(__GNUC__) && \
  17.   ( (__GNUC__ >= 4) || \
  18.     ( (__GNUC__ >= 3) && defined(__GNUC_MINOR__) && (__GNUC_MINOR__ > 2) ) )
  19. /* gcc > 3.2 implicitly defines the values we are interested */
  20. #define __STDINT_EXP(x) __##x##__
  21. #else
  22. #define __STDINT_EXP(x) x
  23. #include <limits.h>
  24. #endif
  25.  
  26. /* Check if "long long" is 64bit wide */
  27. /* Modern GCCs provide __LONG_LONG_MAX__, SUSv3 wants LLONG_MAX */
  28. #if ( defined(__LONG_LONG_MAX__) && (__LONG_LONG_MAX__ > 0x7fffffff) ) \
  29.   || ( defined(LLONG_MAX) && (LLONG_MAX > 0x7fffffff) )
  30. #define __have_longlong64 1
  31. #endif
  32.  
  33. /* Check if "long" is 64bit or 32bit wide */
  34. #if __STDINT_EXP(LONG_MAX) > 0x7fffffff
  35. #define __have_long64 1
  36. #elif __STDINT_EXP(LONG_MAX) == 0x7fffffff && !defined(__SPU__)
  37. #define __have_long32 1
  38. #define __have_long64 0
  39. #endif
  40.  
  41. #if __STDINT_EXP(SCHAR_MAX) == 0x7f
  42. typedef signed char int8_t ;
  43. typedef unsigned char uint8_t ;
  44. #define __int8_t_defined 1
  45. #endif
  46.  
  47. #if __int8_t_defined
  48. typedef signed char int_least8_t;
  49. typedef unsigned char uint_least8_t;
  50. #define __int_least8_t_defined 1
  51. #endif
  52.  
  53. #if __STDINT_EXP(SHRT_MAX) == 0x7fff
  54. typedef signed short int16_t;
  55. typedef unsigned short uint16_t;
  56. #define __int16_t_defined 1
  57. #elif __STDINT_EXP(INT_MAX) == 0x7fff
  58. typedef signed int int16_t;
  59. typedef unsigned int uint16_t;
  60. #define __int16_t_defined 1
  61. #elif __STDINT_EXP(SCHAR_MAX) == 0x7fff
  62. typedef signed char int16_t;
  63. typedef unsigned char uint16_t;
  64. #define __int16_t_defined 1
  65. #endif
  66.  
  67. #if __int16_t_defined
  68. typedef int16_t         int_least16_t;
  69. typedef uint16_t        uint_least16_t;
  70. #define __int_least16_t_defined 1
  71.  
  72. #if !__int_least8_t_defined
  73. typedef int16_t         int_least8_t;
  74. typedef uint16_t        uint_least8_t;
  75. #define __int_least8_t_defined 1
  76. #endif
  77. #endif
  78.  
  79. #if __have_long32
  80. typedef signed long int32_t;
  81. typedef unsigned long uint32_t;
  82. #define __int32_t_defined 1
  83. #elif __STDINT_EXP(INT_MAX) == 0x7fffffffL
  84. typedef signed int int32_t;
  85. typedef unsigned int uint32_t;
  86. #define __int32_t_defined 1
  87. #elif __STDINT_EXP(SHRT_MAX) == 0x7fffffffL
  88. typedef signed short int32_t;
  89. typedef unsigned short uint32_t;
  90. #define __int32_t_defined 1
  91. #elif __STDINT_EXP(SCHAR_MAX) == 0x7fffffffL
  92. typedef signed char int32_t;
  93. typedef unsigned char uint32_t;
  94. #define __int32_t_defined 1
  95. #endif
  96.  
  97. #if __int32_t_defined
  98. typedef int32_t         int_least32_t;
  99. typedef uint32_t        uint_least32_t;
  100. #define __int_least32_t_defined 1
  101.  
  102. #if !__int_least8_t_defined
  103. typedef int32_t         int_least8_t;
  104. typedef uint32_t        uint_least8_t;
  105. #define __int_least8_t_defined 1
  106. #endif
  107.  
  108. #if !__int_least16_t_defined
  109. typedef int32_t         int_least16_t;
  110. typedef uint32_t        uint_least16_t;
  111. #define __int_least16_t_defined 1
  112. #endif
  113. #endif
  114.  
  115. #if __have_long64
  116. typedef signed long int64_t;
  117. typedef unsigned long uint64_t;
  118. #define __int64_t_defined 1
  119. #elif __have_longlong64
  120. typedef signed long long int64_t;
  121. typedef unsigned long long uint64_t;
  122. #define __int64_t_defined 1
  123. #elif  __STDINT_EXP(INT_MAX) > 0x7fffffff
  124. typedef signed int int64_t;
  125. typedef unsigned int uint64_t;
  126. #define __int64_t_defined 1
  127. #endif
  128.  
  129. #if __int64_t_defined
  130. typedef int64_t         int_least64_t;
  131. typedef uint64_t        uint_least64_t;
  132. #define __int_least64_t_defined 1
  133.  
  134. #if !__int_least8_t_defined
  135. typedef int64_t         int_least8_t;
  136. typedef uint64_t        uint_least8_t;
  137. #define __int_least8_t_defined 1
  138. #endif
  139.  
  140. #if !__int_least16_t_defined
  141. typedef int64_t         int_least16_t;
  142. typedef uint64_t        uint_least16_t;
  143. #define __int_least16_t_defined 1
  144. #endif
  145.  
  146. #if !__int_least32_t_defined
  147. typedef int64_t         int_least32_t;
  148. typedef uint64_t        uint_least32_t;
  149. #define __int_least32_t_defined 1
  150. #endif
  151. #endif
  152.  
  153. /*
  154.  * Fastest minimum-width integer types
  155.  *
  156.  * Assume int to be the fastest type for all types with a width
  157.  * less than __INT_MAX__ rsp. INT_MAX
  158.  */
  159. #if __STDINT_EXP(INT_MAX) >= 0x7f
  160.   typedef signed int int_fast8_t;
  161.   typedef unsigned int uint_fast8_t;
  162. #define __int_fast8_t_defined 1
  163. #endif
  164.  
  165. #if __STDINT_EXP(INT_MAX) >= 0x7fff
  166.   typedef signed int int_fast16_t;
  167.   typedef unsigned int uint_fast16_t;
  168. #define __int_fast16_t_defined 1
  169. #endif
  170.  
  171. #if __STDINT_EXP(INT_MAX) >= 0x7fffffff
  172.   typedef signed int int_fast32_t;
  173.   typedef unsigned int uint_fast32_t;
  174. #define __int_fast32_t_defined 1
  175. #endif
  176.  
  177. #if __STDINT_EXP(INT_MAX) > 0x7fffffff
  178.   typedef signed int int_fast64_t;
  179.   typedef unsigned int uint_fast64_t;
  180. #define __int_fast64_t_defined 1
  181. #else
  182. #define __int_fast64_t_defined 0
  183. #endif
  184.  
  185. /*
  186.  * Fall back to [u]int_least<N>_t for [u]int_fast<N>_t types
  187.  * not having been defined, yet.
  188.  * Leave undefined, if [u]int_least<N>_t should not be available.
  189.  */
  190. #if !__int_fast8_t_defined
  191. #if __int_least8_t_defined
  192.   typedef int_least8_t int_fast8_t;
  193.   typedef uint_least8_t uint_fast8_t;
  194. #define __int_fast8_t_defined 1
  195. #endif
  196. #endif
  197.  
  198. #if !__int_fast16_t_defined
  199. #if __int_least16_t_defined
  200.   typedef int_least16_t int_fast16_t;
  201.   typedef uint_least16_t uint_fast16_t;
  202. #define __int_fast16_t_defined 1
  203. #endif
  204. #endif
  205.  
  206. #if !__int_fast32_t_defined
  207. #if __int_least32_t_defined
  208.   typedef int_least32_t int_fast32_t;
  209.   typedef uint_least32_t uint_fast32_t;
  210. #define __int_fast32_t_defined 1
  211. #endif
  212. #endif
  213.  
  214. #if !__int_fast64_t_defined
  215. #if __int_least64_t_defined
  216.   typedef int_least64_t int_fast64_t;
  217.   typedef uint_least64_t uint_fast64_t;
  218. #undef  __int_fast64_t_defined
  219. #define __int_fast64_t_defined 1
  220. #endif
  221. #endif
  222.  
  223. /* Greatest-width integer types */
  224. /* Modern GCCs provide __INTMAX_TYPE__ */
  225. #if defined(__INTMAX_TYPE__)
  226.   typedef __INTMAX_TYPE__ intmax_t;
  227. #elif __have_longlong64
  228.   typedef signed long long intmax_t;
  229. #else
  230.   typedef signed long intmax_t;
  231. #endif
  232.  
  233. /* Modern GCCs provide __UINTMAX_TYPE__ */
  234. #if defined(__UINTMAX_TYPE__)
  235.   typedef __UINTMAX_TYPE__ uintmax_t;
  236. #elif __have_longlong64
  237.   typedef unsigned long long uintmax_t;
  238. #else
  239.   typedef unsigned long uintmax_t;
  240. #endif
  241.  
  242. /*
  243.  * GCC doesn't provide an appropriate macro for [u]intptr_t
  244.  * For now, use __PTRDIFF_TYPE__
  245.  */
  246. #if defined(__PTRDIFF_TYPE__)
  247. typedef signed __PTRDIFF_TYPE__ intptr_t;
  248. typedef unsigned __PTRDIFF_TYPE__ uintptr_t;
  249. #define INTPTR_MAX PTRDIFF_MAX
  250. #define INTPTR_MIN PTRDIFF_MIN
  251. #ifdef __UINTPTR_MAX__
  252. #define UINTPTR_MAX __UINTPTR_MAX__
  253. #else
  254. #define UINTPTR_MAX (2UL * PTRDIFF_MAX + 1)
  255. #endif
  256. #else
  257. /*
  258.  * Fallback to hardcoded values,
  259.  * should be valid on cpu's with 32bit int/32bit void*
  260.  */
  261. typedef signed long intptr_t;
  262. typedef unsigned long uintptr_t;
  263. #define INTPTR_MAX __STDINT_EXP(LONG_MAX)
  264. #define INTPTR_MIN (-__STDINT_EXP(LONG_MAX) - 1)
  265. #define UINTPTR_MAX (__STDINT_EXP(LONG_MAX) * 2UL + 1)
  266. #endif
  267.  
  268. /* Limits of Specified-Width Integer Types */
  269.  
  270. #if __int8_t_defined
  271. #define INT8_MIN        -128
  272. #define INT8_MAX         127
  273. #define UINT8_MAX        255
  274. #endif
  275.  
  276. #if __int_least8_t_defined
  277. #define INT_LEAST8_MIN  -128
  278. #define INT_LEAST8_MAX   127
  279. #define UINT_LEAST8_MAX  255
  280. #else
  281. #error required type int_least8_t missing
  282. #endif
  283.  
  284. #if __int16_t_defined
  285. #define INT16_MIN       -32768
  286. #define INT16_MAX        32767
  287. #define UINT16_MAX       65535
  288. #endif
  289.  
  290. #if __int_least16_t_defined
  291. #define INT_LEAST16_MIN -32768
  292. #define INT_LEAST16_MAX  32767
  293. #define UINT_LEAST16_MAX 65535
  294. #else
  295. #error required type int_least16_t missing
  296. #endif
  297.  
  298. #if __int32_t_defined
  299. #if __have_long32
  300. #define INT32_MIN        (-2147483647L-1)
  301. #define INT32_MAX        2147483647L
  302. #define UINT32_MAX       4294967295UL
  303. #else
  304. #define INT32_MIN        (-2147483647-1)
  305. #define INT32_MAX        2147483647
  306. #define UINT32_MAX       4294967295U
  307. #endif
  308. #endif
  309.  
  310. #if __int_least32_t_defined
  311. #if __have_long32
  312. #define INT_LEAST32_MIN  (-2147483647L-1)
  313. #define INT_LEAST32_MAX  2147483647L
  314. #define UINT_LEAST32_MAX 4294967295UL
  315. #else
  316. #define INT_LEAST32_MIN  (-2147483647-1)
  317. #define INT_LEAST32_MAX  2147483647
  318. #define UINT_LEAST32_MAX 4294967295U
  319. #endif
  320. #else
  321. #error required type int_least32_t missing
  322. #endif
  323.  
  324. #if __int64_t_defined
  325. #if __have_long64
  326. #define INT64_MIN       (-9223372036854775807L-1L)
  327. #define INT64_MAX        9223372036854775807L
  328. #define UINT64_MAX      18446744073709551615U
  329. #elif __have_longlong64
  330. #define INT64_MIN       (-9223372036854775807LL-1LL)
  331. #define INT64_MAX        9223372036854775807LL
  332. #define UINT64_MAX      18446744073709551615ULL
  333. #endif
  334. #endif
  335.  
  336. #if __int_least64_t_defined
  337. #if __have_long64
  338. #define INT_LEAST64_MIN  (-9223372036854775807L-1L)
  339. #define INT_LEAST64_MAX  9223372036854775807L
  340. #define UINT_LEAST64_MAX 18446744073709551615U
  341. #elif __have_longlong64
  342. #define INT_LEAST64_MIN  (-9223372036854775807LL-1LL)
  343. #define INT_LEAST64_MAX  9223372036854775807LL
  344. #define UINT_LEAST64_MAX 18446744073709551615ULL
  345. #endif
  346. #endif
  347.  
  348. #if __int_fast8_t_defined
  349. #if __STDINT_EXP(INT_MAX) >= 0x7f
  350. #define INT_FAST8_MIN   (-__STDINT_EXP(INT_MAX)-1)
  351. #define INT_FAST8_MAX   __STDINT_EXP(INT_MAX)
  352. #define UINT_FAST8_MAX  (__STDINT_EXP(INT_MAX)*2U+1U)
  353. #else
  354. #define INT_FAST8_MIN   INT_LEAST8_MIN
  355. #define INT_FAST8_MAX   INT_LEAST8_MAX
  356. #define UINT_FAST8_MAX  UINT_LEAST8_MAX
  357. #endif
  358. #endif
  359.  
  360. #if __int_fast16_t_defined
  361. #if __STDINT_EXP(INT_MAX) >= 0x7fff
  362. #define INT_FAST16_MIN  (-__STDINT_EXP(INT_MAX)-1)
  363. #define INT_FAST16_MAX  __STDINT_EXP(INT_MAX)
  364. #define UINT_FAST16_MAX (__STDINT_EXP(INT_MAX)*2U+1U)
  365. #else
  366. #define INT_FAST16_MIN  INT_LEAST16_MIN
  367. #define INT_FAST16_MAX  INT_LEAST16_MAX
  368. #define UINT_FAST16_MAX UINT_LEAST16_MAX
  369. #endif
  370. #endif
  371.  
  372. #if __int_fast32_t_defined
  373. #if __STDINT_EXP(INT_MAX) >= 0x7fffffff
  374. #define INT_FAST32_MIN  (-__STDINT_EXP(INT_MAX)-1)
  375. #define INT_FAST32_MAX  __STDINT_EXP(INT_MAX)
  376. #define UINT_FAST32_MAX (__STDINT_EXP(INT_MAX)*2U+1U)
  377. #else
  378. #define INT_FAST32_MIN  INT_LEAST32_MIN
  379. #define INT_FAST32_MAX  INT_LEAST32_MAX
  380. #define UINT_FAST32_MAX UINT_LEAST32_MAX
  381. #endif
  382. #endif
  383.  
  384. #if __int_fast64_t_defined
  385. #if __STDINT_EXP(INT_MAX) > 0x7fffffff
  386. #define INT_FAST64_MIN  (-__STDINT_EXP(INT_MAX)-1)
  387. #define INT_FAST64_MAX  __STDINT_EXP(INT_MAX)
  388. #define UINT_FAST64_MAX (__STDINT_EXP(INT_MAX)*2U+1U)
  389. #else
  390. #define INT_FAST64_MIN  INT_LEAST64_MIN
  391. #define INT_FAST64_MAX  INT_LEAST64_MAX
  392. #define UINT_FAST64_MAX UINT_LEAST64_MAX
  393. #endif
  394. #endif
  395.  
  396. #ifdef __INTMAX_MAX__
  397. #define INTMAX_MAX __INTMAX_MAX__
  398. #define INTMAX_MIN (-INTMAX_MAX - 1)
  399. #elif defined(__INTMAX_TYPE__)
  400. /* All relevant GCC versions prefer long to long long for intmax_t.  */
  401. #define INTMAX_MAX INT64_MAX
  402. #define INTMAX_MIN INT64_MIN
  403. #endif
  404.  
  405. #ifdef __UINTMAX_MAX__
  406. #define UINTMAX_MAX __UINTMAX_MAX__
  407. #elif defined(__UINTMAX_TYPE__)
  408. /* All relevant GCC versions prefer long to long long for intmax_t.  */
  409. #define UINTMAX_MAX UINT64_MAX
  410. #endif
  411.  
  412. /* This must match size_t in stddef.h, currently long unsigned int */
  413. #ifdef __SIZE_MAX__
  414. #define SIZE_MAX __SIZE_MAX__
  415. #else
  416. #define SIZE_MAX (__STDINT_EXP(LONG_MAX) * 2UL + 1)
  417. #endif
  418.  
  419. /* This must match sig_atomic_t in <signal.h> (currently int) */
  420. #define SIG_ATOMIC_MIN (-__STDINT_EXP(INT_MAX) - 1)
  421. #define SIG_ATOMIC_MAX __STDINT_EXP(INT_MAX)
  422.  
  423. /* This must match ptrdiff_t  in <stddef.h> (currently long int) */
  424. #ifdef __PTRDIFF_MAX__
  425. #define PTRDIFF_MAX __PTRDIFF_MAX__
  426. #else
  427. #define PTRDIFF_MAX __STDINT_EXP(LONG_MAX)
  428. #endif
  429. #define PTRDIFF_MIN (-PTRDIFF_MAX - 1)
  430.  
  431. #ifdef __WCHAR_MAX__
  432. #define WCHAR_MAX __WCHAR_MAX__
  433. #endif
  434. #ifdef __WCHAR_MIN__
  435. #define WCHAR_MIN __WCHAR_MIN__
  436. #endif
  437.  
  438. /* wint_t is unsigned int on almost all GCC targets.  */
  439. #ifdef __WINT_MAX__
  440. #define WINT_MAX __WINT_MAX__
  441. #else
  442. #define WINT_MAX (__STDINT_EXP(INT_MAX) * 2U + 1U)
  443. #endif
  444. #ifdef __WINT_MIN__
  445. #define WINT_MIN __WINT_MIN__
  446. #else
  447. #define WINT_MIN 0U
  448. #endif
  449.  
  450. /** Macros for minimum-width integer constant expressions */
  451. #define INT8_C(x)       x
  452. #if __STDINT_EXP(INT_MAX) > 0x7f
  453. #define UINT8_C(x)      x
  454. #else
  455. #define UINT8_C(x)      x##U
  456. #endif
  457.  
  458. #define INT16_C(x)      x
  459. #if __STDINT_EXP(INT_MAX) > 0x7fff
  460. #define UINT16_C(x)     x
  461. #else
  462. #define UINT16_C(x)     x##U
  463. #endif
  464.  
  465. #if __have_long32
  466. #define INT32_C(x)      x##L
  467. #define UINT32_C(x)     x##UL
  468. #else
  469. #define INT32_C(x)      x
  470. #define UINT32_C(x)     x##U
  471. #endif
  472.  
  473. #if __int64_t_defined
  474. #if __have_long64
  475. #define INT64_C(x)      x##L
  476. #define UINT64_C(x)     x##UL
  477. #else
  478. #define INT64_C(x)      x##LL
  479. #define UINT64_C(x)     x##ULL
  480. #endif
  481. #endif
  482.  
  483. /** Macros for greatest-width integer constant expression */
  484. #if __have_long64
  485. #define INTMAX_C(x)     x##L
  486. #define UINTMAX_C(x)    x##UL
  487. #else
  488. #define INTMAX_C(x)     x##LL
  489. #define UINTMAX_C(x)    x##ULL
  490. #endif
  491.  
  492.  
  493. #ifdef __cplusplus
  494. }
  495. #endif
  496.  
  497. #endif /* _STDINT_H */
  498.