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-rw-r--r--include/util.h38
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diff --git a/include/util.h b/include/util.h
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-/* SPDX-License-Identifier: LGPL-3.0-or-later */
-/*
- * util.h
- *
- * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
- */
-#ifndef SQFS_UTIL_H
-#define SQFS_UTIL_H
-
-#include "config.h"
-#include "sqfs/predef.h"
-#include "compat.h"
-
-#include <stddef.h>
-
-/*
- Helper for allocating data structures with flexible array members.
-
- 'base_size' is the size of the struct itself, 'item_size' the size of a
- single array element and 'nmemb' the number of elements.
-
- Iternally checks for arithmetic overflows when allocating the combined thing.
- */
-SQFS_INTERNAL
-void *alloc_flex(size_t base_size, size_t item_size, size_t nmemb);
-
-/* Basically the same as calloc, but *ALWAYS* does overflow checking */
-SQFS_INTERNAL
-void *alloc_array(size_t item_size, size_t nmemb);
-
-SQFS_INTERNAL sqfs_u32 xxh32(const void *input, const size_t len);
-
-/*
- Returns true if the given region of memory is filled with zero-bytes only.
- */
-SQFS_INTERNAL bool is_memory_zero(const void *blob, size_t size);
-
-#endif /* SQFS_UTIL_H */