| // Copyright lowRISC contributors. |
| // Licensed under the Apache License, Version 2.0, see LICENSE for details. |
| // SPDX-License-Identifier: Apache-2.0 |
| |
| #ifndef OPENTITAN_SW_DEVICE_LIB_BASE_FREESTANDING_LIMITS_H_ |
| #define OPENTITAN_SW_DEVICE_LIB_BASE_FREESTANDING_LIMITS_H_ |
| |
| #include <stdint.h> |
| |
| /** |
| * This header implements the limits.h standard header, as required by C11 S4p6. |
| * This header is specified in detail in S7.10 and S5.2.4.2.1 of the same. |
| */ |
| |
| #define SCHAR_MAX __SCHAR_MAX__ |
| #define SHRT_MAX __SHRT_MAX__ |
| #define INT_MAX __INT_MAX__ |
| #define LONG_MAX __LONG_MAX__ |
| #define LLONG_MAX __LONG_LONG_MAX__ |
| |
| #define SCHAR_MIN (-__SCHAR_MAX__ - 1) |
| #define SHRT_MIN (-__SHRT_MAX__ - 1) |
| #define INT_MIN (-__INT_MAX__ - 1) |
| #define LONG_MIN (-__LONG_MAX__ - 1L) |
| #define LLONG_MIN (-__LONG_LONG_MAX__ - 1LL) |
| |
| #define UCHAR_MAX (__SCHAR_MAX__ * 2 + 1) |
| #define USHRT_MAX (__SHRT_MAX__ * 2 + 1) |
| #define UINT_MAX (__INT_MAX__ * 2U + 1U) |
| #define ULONG_MAX (__LONG_MAX__ * 2UL + 1UL) |
| #define ULLONG_MAX (__LONG_LONG_MAX__ * 2ULL + 1ULL) |
| |
| #define CHAR_BIT __CHAR_BIT__ |
| #define MB_LEN_MAX (1) |
| |
| #ifdef __CHAR_UNSIGNED__ |
| #define CHAR_MIN (0) |
| #define CHAR_MAX UCHAR_MAX |
| #else |
| #define CHAR_MIN SCHAR_MIN |
| #define CHAR_MAX SCHAR_MAX |
| #endif |
| |
| #endif // OPENTITAN_SW_DEVICE_LIB_BASE_FREESTANDING_LIMITS_H_ |
