1*53ee8cc1Swenshuai.xi #ifndef _LIMITS_H___ 2*53ee8cc1Swenshuai.xi #define _LIMITS_H___ 3*53ee8cc1Swenshuai.xi 4*53ee8cc1Swenshuai.xi /* Number of bits in a `char'. */ 5*53ee8cc1Swenshuai.xi #undef CHAR_BIT 6*53ee8cc1Swenshuai.xi #define CHAR_BIT __CHAR_BIT__ 7*53ee8cc1Swenshuai.xi 8*53ee8cc1Swenshuai.xi /* Maximum length of a multibyte character. */ 9*53ee8cc1Swenshuai.xi #ifndef MB_LEN_MAX 10*53ee8cc1Swenshuai.xi #define MB_LEN_MAX 1 11*53ee8cc1Swenshuai.xi #endif 12*53ee8cc1Swenshuai.xi 13*53ee8cc1Swenshuai.xi /* Minimum and maximum values a `signed char' can hold. */ 14*53ee8cc1Swenshuai.xi #undef SCHAR_MIN 15*53ee8cc1Swenshuai.xi #define SCHAR_MIN (-SCHAR_MAX - 1) 16*53ee8cc1Swenshuai.xi #undef SCHAR_MAX 17*53ee8cc1Swenshuai.xi #define SCHAR_MAX __SCHAR_MAX__ 18*53ee8cc1Swenshuai.xi 19*53ee8cc1Swenshuai.xi /* Maximum value an `unsigned char' can hold. (Minimum is 0). */ 20*53ee8cc1Swenshuai.xi #undef UCHAR_MAX 21*53ee8cc1Swenshuai.xi #if __SCHAR_MAX__ == __INT_MAX__ 22*53ee8cc1Swenshuai.xi # define UCHAR_MAX (SCHAR_MAX * 2U + 1U) 23*53ee8cc1Swenshuai.xi #else 24*53ee8cc1Swenshuai.xi # define UCHAR_MAX (SCHAR_MAX * 2 + 1) 25*53ee8cc1Swenshuai.xi #endif 26*53ee8cc1Swenshuai.xi 27*53ee8cc1Swenshuai.xi /* Minimum and maximum values a `char' can hold. */ 28*53ee8cc1Swenshuai.xi #ifdef __CHAR_UNSIGNED__ 29*53ee8cc1Swenshuai.xi # undef CHAR_MIN 30*53ee8cc1Swenshuai.xi # if __SCHAR_MAX__ == __INT_MAX__ 31*53ee8cc1Swenshuai.xi # define CHAR_MIN 0U 32*53ee8cc1Swenshuai.xi # else 33*53ee8cc1Swenshuai.xi # define CHAR_MIN 0 34*53ee8cc1Swenshuai.xi # endif 35*53ee8cc1Swenshuai.xi # undef CHAR_MAX 36*53ee8cc1Swenshuai.xi # define CHAR_MAX UCHAR_MAX 37*53ee8cc1Swenshuai.xi #else 38*53ee8cc1Swenshuai.xi # undef CHAR_MIN 39*53ee8cc1Swenshuai.xi # define CHAR_MIN SCHAR_MIN 40*53ee8cc1Swenshuai.xi # undef CHAR_MAX 41*53ee8cc1Swenshuai.xi # define CHAR_MAX SCHAR_MAX 42*53ee8cc1Swenshuai.xi #endif 43*53ee8cc1Swenshuai.xi 44*53ee8cc1Swenshuai.xi /* Minimum and maximum values a `signed short int' can hold. */ 45*53ee8cc1Swenshuai.xi #undef SHRT_MIN 46*53ee8cc1Swenshuai.xi #define SHRT_MIN (-SHRT_MAX - 1) 47*53ee8cc1Swenshuai.xi #undef SHRT_MAX 48*53ee8cc1Swenshuai.xi #define SHRT_MAX __SHRT_MAX__ 49*53ee8cc1Swenshuai.xi 50*53ee8cc1Swenshuai.xi /* Maximum value an `unsigned short int' can hold. (Minimum is 0). */ 51*53ee8cc1Swenshuai.xi #undef USHRT_MAX 52*53ee8cc1Swenshuai.xi #if __SHRT_MAX__ == __INT_MAX__ 53*53ee8cc1Swenshuai.xi # define USHRT_MAX (SHRT_MAX * 2U + 1U) 54*53ee8cc1Swenshuai.xi #else 55*53ee8cc1Swenshuai.xi # define USHRT_MAX (SHRT_MAX * 2 + 1) 56*53ee8cc1Swenshuai.xi #endif 57*53ee8cc1Swenshuai.xi 58*53ee8cc1Swenshuai.xi /* Minimum and maximum values a `signed int' can hold. */ 59*53ee8cc1Swenshuai.xi #undef INT_MIN 60*53ee8cc1Swenshuai.xi #define INT_MIN (-INT_MAX - 1) 61*53ee8cc1Swenshuai.xi #undef INT_MAX 62*53ee8cc1Swenshuai.xi #define INT_MAX __INT_MAX__ 63*53ee8cc1Swenshuai.xi 64*53ee8cc1Swenshuai.xi /* Maximum value an `unsigned int' can hold. (Minimum is 0). */ 65*53ee8cc1Swenshuai.xi #undef UINT_MAX 66*53ee8cc1Swenshuai.xi #define UINT_MAX (INT_MAX * 2U + 1U) 67*53ee8cc1Swenshuai.xi 68*53ee8cc1Swenshuai.xi /* Minimum and maximum values a `signed long int' can hold. 69*53ee8cc1Swenshuai.xi (Same as `int'). */ 70*53ee8cc1Swenshuai.xi #undef LONG_MIN 71*53ee8cc1Swenshuai.xi #define LONG_MIN (-LONG_MAX - 1L) 72*53ee8cc1Swenshuai.xi #undef LONG_MAX 73*53ee8cc1Swenshuai.xi #define LONG_MAX __LONG_MAX__ 74*53ee8cc1Swenshuai.xi 75*53ee8cc1Swenshuai.xi /* Maximum value an `unsigned long int' can hold. (Minimum is 0). */ 76*53ee8cc1Swenshuai.xi #undef ULONG_MAX 77*53ee8cc1Swenshuai.xi #define ULONG_MAX (LONG_MAX * 2UL + 1UL) 78*53ee8cc1Swenshuai.xi 79*53ee8cc1Swenshuai.xi #if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L 80*53ee8cc1Swenshuai.xi /* Minimum and maximum values a `signed long long int' can hold. */ 81*53ee8cc1Swenshuai.xi # undef LLONG_MIN 82*53ee8cc1Swenshuai.xi # define LLONG_MIN (-LLONG_MAX - 1LL) 83*53ee8cc1Swenshuai.xi # undef LLONG_MAX 84*53ee8cc1Swenshuai.xi # define LLONG_MAX __LONG_LONG_MAX__ 85*53ee8cc1Swenshuai.xi 86*53ee8cc1Swenshuai.xi /* Maximum value an `unsigned long long int' can hold. (Minimum is 0). */ 87*53ee8cc1Swenshuai.xi # undef ULLONG_MAX 88*53ee8cc1Swenshuai.xi # define ULLONG_MAX (LLONG_MAX * 2ULL + 1ULL) 89*53ee8cc1Swenshuai.xi #endif 90*53ee8cc1Swenshuai.xi 91*53ee8cc1Swenshuai.xi #if defined (__GNU_LIBRARY__) ? defined (__USE_GNU) : !defined (__STRICT_ANSI__) 92*53ee8cc1Swenshuai.xi /* Minimum and maximum values a `signed long long int' can hold. */ 93*53ee8cc1Swenshuai.xi # undef LONG_LONG_MIN 94*53ee8cc1Swenshuai.xi # define LONG_LONG_MIN (-LONG_LONG_MAX - 1LL) 95*53ee8cc1Swenshuai.xi # undef LONG_LONG_MAX 96*53ee8cc1Swenshuai.xi # define LONG_LONG_MAX __LONG_LONG_MAX__ 97*53ee8cc1Swenshuai.xi 98*53ee8cc1Swenshuai.xi /* Maximum value an `unsigned long long int' can hold. (Minimum is 0). */ 99*53ee8cc1Swenshuai.xi # undef ULONG_LONG_MAX 100*53ee8cc1Swenshuai.xi # define ULONG_LONG_MAX (LONG_LONG_MAX * 2ULL + 1ULL) 101*53ee8cc1Swenshuai.xi #endif 102*53ee8cc1Swenshuai.xi 103*53ee8cc1Swenshuai.xi #endif /* _LIMITS_H___ */ 104