glimits.h revision 117395
11573Srgrimes#ifndef _LIMITS_H___ 21573Srgrimes#define _LIMITS_H___ 31573Srgrimes 41573Srgrimes/* Number of bits in a `char'. */ 51573Srgrimes#undef CHAR_BIT 61573Srgrimes#define CHAR_BIT __CHAR_BIT__ 71573Srgrimes 81573Srgrimes/* Maximum length of a multibyte character. */ 91573Srgrimes#ifndef MB_LEN_MAX 101573Srgrimes#define MB_LEN_MAX 1 111573Srgrimes#endif 121573Srgrimes 131573Srgrimes/* Minimum and maximum values a `signed char' can hold. */ 141573Srgrimes#undef SCHAR_MIN 151573Srgrimes#define SCHAR_MIN (-SCHAR_MAX - 1) 16249808Semaste#undef SCHAR_MAX 171573Srgrimes#define SCHAR_MAX __SCHAR_MAX__ 181573Srgrimes 191573Srgrimes/* Maximum value an `unsigned char' can hold. (Minimum is 0). */ 201573Srgrimes#undef UCHAR_MAX 211573Srgrimes#if __SCHAR_MAX__ == __INT_MAX__ 221573Srgrimes# define UCHAR_MAX (SCHAR_MAX * 2U + 1U) 231573Srgrimes#else 241573Srgrimes# define UCHAR_MAX (SCHAR_MAX * 2 + 1) 251573Srgrimes#endif 261573Srgrimes 271573Srgrimes/* Minimum and maximum values a `char' can hold. */ 281573Srgrimes#ifdef __CHAR_UNSIGNED__ 291573Srgrimes# undef CHAR_MIN 301573Srgrimes# if __SCHAR_MAX__ == __INT_MAX__ 311573Srgrimes# define CHAR_MIN 0U 321573Srgrimes# else 331573Srgrimes# define CHAR_MIN 0 341573Srgrimes# endif 351573Srgrimes# undef CHAR_MAX 3692986Sobrien# define CHAR_MAX UCHAR_MAX 3792986Sobrien#else 381573Srgrimes# undef CHAR_MIN 39130230Sdas# define CHAR_MIN SCHAR_MIN 401573Srgrimes# undef CHAR_MAX 411573Srgrimes# define CHAR_MAX SCHAR_MAX 421573Srgrimes#endif 431573Srgrimes 441573Srgrimes/* Minimum and maximum values a `signed short int' can hold. */ 451573Srgrimes#undef SHRT_MIN 461573Srgrimes#define SHRT_MIN (-SHRT_MAX - 1) 47130230Sdas#undef SHRT_MAX 481573Srgrimes#define SHRT_MAX __SHRT_MAX__ 4916586Sjraynard 50249810Semaste/* Maximum value an `unsigned short int' can hold. (Minimum is 0). */ 511573Srgrimes#undef USHRT_MAX 521573Srgrimes#if __SHRT_MAX__ == __INT_MAX__ 531573Srgrimes# define USHRT_MAX (SHRT_MAX * 2U + 1U) 541573Srgrimes#else 551573Srgrimes# define USHRT_MAX (SHRT_MAX * 2 + 1) 561573Srgrimes#endif 571573Srgrimes 581573Srgrimes/* Minimum and maximum values a `signed int' can hold. */ 591573Srgrimes#undef INT_MIN 60130230Sdas#define INT_MIN (-INT_MAX - 1) 61130230Sdas#undef INT_MAX 62186887Sdas#define INT_MAX __INT_MAX__ 631573Srgrimes 64130230Sdas/* Maximum value an `unsigned int' can hold. (Minimum is 0). */ 651573Srgrimes#undef UINT_MAX 661573Srgrimes#define UINT_MAX (INT_MAX * 2U + 1U) 671573Srgrimes 681573Srgrimes/* Minimum and maximum values a `signed long int' can hold. 691573Srgrimes (Same as `int'). */ 701573Srgrimes#undef LONG_MIN 711573Srgrimes#define LONG_MIN (-LONG_MAX - 1L) 721573Srgrimes#undef LONG_MAX 731573Srgrimes#define LONG_MAX __LONG_MAX__ 741573Srgrimes 751573Srgrimes/* Maximum value an `unsigned long int' can hold. (Minimum is 0). */ 761573Srgrimes#undef ULONG_MAX 771573Srgrimes#define ULONG_MAX (LONG_MAX * 2UL + 1UL) 781573Srgrimes 791573Srgrimes#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L 801573Srgrimes/* Minimum and maximum values a `signed long long int' can hold. */ 811573Srgrimes# undef LLONG_MIN 821573Srgrimes# define LLONG_MIN (-LLONG_MAX - 1LL) 831573Srgrimes# undef LLONG_MAX 841573Srgrimes# define LLONG_MAX __LONG_LONG_MAX__ 851573Srgrimes 861573Srgrimes/* Maximum value an `unsigned long long int' can hold. (Minimum is 0). */ 871573Srgrimes# undef ULLONG_MAX 881573Srgrimes# define ULLONG_MAX (LLONG_MAX * 2ULL + 1ULL) 891573Srgrimes#endif 901573Srgrimes 911573Srgrimes#if defined (__GNU_LIBRARY__) ? defined (__USE_GNU) : !defined (__STRICT_ANSI__) 921573Srgrimes/* Minimum and maximum values a `signed long long int' can hold. */ 93# undef LONG_LONG_MIN 94# define LONG_LONG_MIN (-LONG_LONG_MAX - 1LL) 95# undef LONG_LONG_MAX 96# define LONG_LONG_MAX __LONG_LONG_MAX__ 97 98/* Maximum value an `unsigned long long int' can hold. (Minimum is 0). */ 99# undef ULONG_LONG_MAX 100# define ULONG_LONG_MAX (LONG_LONG_MAX * 2ULL + 1ULL) 101#endif 102 103#endif /* _LIMITS_H___ */ 104