shadow/lib/alloc/realloc.h
Alejandro Colomar 01a0aac628 lib/: Rename XREALLOC() => xrealloc_T()
The 'T' in the name notes that this API is a type-safe variant of the
API it wraps.  This makes the names more explicative.

Signed-off-by: Alejandro Colomar <alx@kernel.org>
2025-12-05 21:22:45 -06:00

33 lines
877 B
C

// SPDX-FileCopyrightText: 2023-2025, Alejandro Colomar <alx@kernel.org>
// SPDX-License-Identifier: BSD-3-Clause
#ifndef SHADOW_INCLUDE_LIB_ALLOC_REALLOC_H_
#define SHADOW_INCLUDE_LIB_ALLOC_REALLOC_H_
#include "config.h"
#include <stdlib.h>
#include "exit_if_null.h"
#include "sizeof.h"
// realloc_T - realloc type-safe
#define realloc_T(p, n, T) realloc_T_(p, n, typeas(T))
#define realloc_T_(p, n, T) \
({ \
_Generic(p, T *: (void)0); \
(T *){reallocarray_(p, n, sizeof(T))}; \
})
#define reallocarray_(p, n, size) reallocarray(p, (n) ?: 1, (size) ?: 1)
// xrealloc_T - exit-on-error realloc type-safe
#define xrealloc_T(p, n, T) exit_if_null(realloc_T(p, n, T))
#endif // include guard