1 // SPDX-License-Identifier: (LGPL-2.0+ OR BSD-2-Clause) 2 /* Copyright (C) 2018 Netronome Systems, Inc. */ 3 4 #ifndef __TOOLS_LIBC_COMPAT_H 5 #define __TOOLS_LIBC_COMPAT_H 6 7 #include <stdlib.h> 8 #include <linux/overflow.h> 9 10 #ifdef COMPAT_NEED_REALLOCARRAY 11 static inline void *reallocarray(void *ptr, size_t nmemb, size_t size) 12 { 13 size_t bytes; 14 15 if (unlikely(check_mul_overflow(nmemb, size, &bytes))) 16 return NULL; 17 return realloc(ptr, bytes); 18 } 19 #endif 20 #endif 21