limits.h

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/* limits.h */
 
/*
 * Copyright (c) 2014 Wind River Systems, Inc.
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_LIB_LIBC_MINIMAL_INCLUDE_LIMITS_H_
#define ZEPHYR_LIB_LIBC_MINIMAL_INCLUDE_LIMITS_H_
 
#ifdef __cplusplus
extern "C" {
#endif
 
#if __CHAR_BIT__ == 8
#define UCHAR_MAX       0xFFU
#else
#error "unexpected __CHAR_BIT__ value"
#endif
 
#define SCHAR_MAX       __SCHAR_MAX__
#define SCHAR_MIN       (-SCHAR_MAX - 1)
 
#ifdef __CHAR_UNSIGNED__
        /* 'char' is an unsigned type */
        #define CHAR_MAX  UCHAR_MAX
        #define CHAR_MIN  0
#else
        /* 'char' is a signed type */
        #define CHAR_MAX  SCHAR_MAX
        #define CHAR_MIN  SCHAR_MIN
#endif
 
#define CHAR_BIT        __CHAR_BIT__
#define LONG_BIT        (__SIZEOF_LONG__ * CHAR_BIT)
#define WORD_BIT        (__SIZEOF_POINTER__ * CHAR_BIT)
 
#define INT_MAX         __INT_MAX__
#define SHRT_MAX        __SHRT_MAX__
#define LONG_MAX        __LONG_MAX__
#define LLONG_MAX       __LONG_LONG_MAX__
 
#define INT_MIN         (-INT_MAX - 1)
#define SHRT_MIN        (-SHRT_MAX - 1)
#define LONG_MIN        (-LONG_MAX - 1L)
#define LLONG_MIN       (-LLONG_MAX - 1LL)
 
#if __SIZE_MAX__ == __UINT32_MAX__
#define SSIZE_MAX       __INT32_MAX__
#elif __SIZE_MAX__ == __UINT64_MAX__
#define SSIZE_MAX       __INT64_MAX__
#else
#error "unexpected __SIZE_MAX__ value"
#endif
 
#if __SIZEOF_SHORT__ == 2
#define USHRT_MAX       0xFFFFU
#else
#error "unexpected __SIZEOF_SHORT__ value"
#endif
 
#if __SIZEOF_INT__ == 4
#define UINT_MAX        0xFFFFFFFFU
#else
#error "unexpected __SIZEOF_INT__ value"
#endif
 
#if __SIZEOF_LONG__ == 4
#define ULONG_MAX       0xFFFFFFFFUL
#elif __SIZEOF_LONG__ == 8
#define ULONG_MAX       0xFFFFFFFFFFFFFFFFUL
#else
#error "unexpected __SIZEOF_LONG__ value"
#endif
 
#if __SIZEOF_LONG_LONG__ == 8
#define ULLONG_MAX      0xFFFFFFFFFFFFFFFFULL
#else
#error "unexpected __SIZEOF_LONG_LONG__ value"
#endif
 
#define PATH_MAX    256
 
#ifdef __cplusplus
}
#endif
 
#endif  /* ZEPHYR_LIB_LIBC_MINIMAL_INCLUDE_LIMITS_H_ */