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#ifndef STDDEF_H
#define STDDEF_H
typedef long ptrdiff_t;
#ifndef __SIZE_TYPE__
#define __SIZE_TYPE__ unsigned long
#endif
typedef __SIZE_TYPE__ size_t;
/* There is a GCC macro for a size_t type, but not
* for a ssize_t type. Below construct tricks GCC
* into making __SIZE_TYPE__ signed.
*/
#define unsigned signed
typedef __SIZE_TYPE__ ssize_t;
#undef unsigned
typedef int wchar_t;
typedef unsigned int wint_t;
#define NULL ((void *)0)
/* Standard units. */
#define KiB (1<<10)
#define MiB (1<<20)
#define GiB (1<<30)
/* Could we ever run into this one? I hope we get this much memory! */
#define TiB (1<<40)
#define KHz (1000)
#define MHz (1000 * KHz)
#define GHz (1000 * MHz)
#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
#define check_member(structure, member, offset) _Static_assert( \
offsetof(struct structure, member) == offset, \
"`struct " #structure "` offset for `" #member "` is not " #offset )
/**
* container_of - cast a member of a structure out to the containing structure
* @param ptr: the pointer to the member.
* @param type: the type of the container struct this is embedded in.
* @param member: the name of the member within the struct.
*
*/
#define container_of(ptr, type, member) ({ \
const typeof( ((type *)0)->member ) *__mptr = (ptr); \
(type *)( (char *)__mptr - offsetof(type,member) );})
#ifdef __PRE_RAM__
#define ROMSTAGE_CONST const
#else
#define ROMSTAGE_CONST
#endif
/* Work around non-writable data segment in execute-in-place romstage on x86. */
#if defined(__PRE_RAM__) && CONFIG_ARCH_X86
#define MAYBE_STATIC
#else
#define MAYBE_STATIC static
#endif
#endif /* STDDEF_H */
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