76 lines
1.4 KiB
C
76 lines
1.4 KiB
C
|
/**
|
||
|
|
* @file features.h
|
||
|
|
* @author
|
||
|
|
* @brief
|
||
|
|
* In order to redefine int32_t to int when compiles using GCC, this file is
|
||
|
|
* added to override <sys/features.h> of GCC.
|
||
|
|
* @version 0.1
|
||
|
|
* @date 2021-12-09
|
||
|
|
*
|
||
|
|
* @copyright Copyright (c) 2021
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef _LIBC_SYS_FEATURES_H_
|
||
|
|
#define _LIBC_SYS_FEATURES_H_
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Redefine some macros defined by GCC
|
||
|
|
*/
|
||
|
|
#ifdef __INT32_MAX__
|
||
|
|
#undef __INT32_MAX__
|
||
|
|
#endif
|
||
|
|
#define __INT32_MAX__ 2147483647
|
||
|
|
|
||
|
|
#ifdef __UINT32_MAX__
|
||
|
|
#undef __UINT32_MAX__
|
||
|
|
#endif
|
||
|
|
#define __UINT32_MAX__ 4294967295U
|
||
|
|
|
||
|
|
#ifdef __INT_LEAST32_MAX__
|
||
|
|
#undef __INT_LEAST32_MAX__
|
||
|
|
#endif
|
||
|
|
#define __INT_LEAST32_MAX__ 2147483647
|
||
|
|
|
||
|
|
#ifdef __UINT_LEAST32_MAX__
|
||
|
|
#undef __UINT_LEAST32_MAX__
|
||
|
|
#endif
|
||
|
|
#define __UINT_LEAST32_MAX__ 4294967295U
|
||
|
|
|
||
|
|
#ifdef __INT_LEAST32_TYPE__
|
||
|
|
#undef __INT_LEAST32_TYPE__
|
||
|
|
#endif
|
||
|
|
#define __INT_LEAST32_TYPE__ int
|
||
|
|
|
||
|
|
#ifdef __UINT_LEAST32_TYPE__
|
||
|
|
#undef __UINT_LEAST32_TYPE__
|
||
|
|
#endif
|
||
|
|
#define __UINT_LEAST32_TYPE__ unsigned int
|
||
|
|
|
||
|
|
#ifdef __INT32_C
|
||
|
|
#undef __INT32_C
|
||
|
|
#endif
|
||
|
|
#define __INT32_C(c) c
|
||
|
|
|
||
|
|
#ifdef __UINT32_C
|
||
|
|
#undef __UINT32_C
|
||
|
|
#endif
|
||
|
|
#define __UINT32_C(c) c ## U
|
||
|
|
|
||
|
|
#ifdef __INT32_TYPE__
|
||
|
|
#undef __INT32_TYPE__
|
||
|
|
#endif
|
||
|
|
#define __INT32_TYPE__ int
|
||
|
|
|
||
|
|
#ifdef __UINT32_TYPE__
|
||
|
|
#undef __UINT32_TYPE__
|
||
|
|
#endif
|
||
|
|
#define __UINT32_TYPE__ unsigned int
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Include <sys/features.h> of compiler
|
||
|
|
*/
|
||
|
|
#include_next <sys/features.h>
|
||
|
|
|
||
|
|
#endif /* _LIBC_SYS_FEATURES_H_ */
|