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/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef STDDEF_H
#define STDDEF_H
#include <commonlib/helpers.h>
typedef __PTRDIFF_TYPE__ ptrdiff_t;
typedef __SIZE_TYPE__ size_t;
#define SIZE_MAX __SIZE_MAX__
/* 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 __WCHAR_TYPE__ wchar_t;
typedef __WINT_TYPE__ wint_t;
#if __STDC_VERSION__ >= 202300L
#define NULL nullptr
#else
#define nullptr ((void *)0)
#define NULL ((void *)0)
#endif
/* The devicetree data structures are only mutable in ramstage. All other
stages have a constant devicetree. */
#if !ENV_PAYLOAD_LOADER
#define DEVTREE_EARLY 1
#else
#define DEVTREE_EARLY 0
#endif
#if DEVTREE_EARLY
#define DEVTREE_CONST const
#else
#define DEVTREE_CONST
#endif
/* Provide a pointer to address 0 that thwarts any "accessing this is
* undefined behaviour and do whatever" trickery in compilers.
* Use when you _really_ need to read32(zeroptr) (ie. read address 0).
*/
extern char zeroptr[];
#endif /* STDDEF_H */
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