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/**
* @file
*
* @brief Provides a 32bit Hash of a String used to Search a Directory
*
* @ingroup rtems_rfs
*
* RTEMS File Systems Directory Hash provides a 32bit hash of a string. This is
* used to search a directory.
*/
/*
* COPYRIGHT (c) 2010 Chris Johns <chrisj@rtems.org>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*/
#if !defined (_RTEMS_RFS_DIR_HASH_H_)
#define _RTEMS_RFS_DIR_HAS_H_
#include <stddef.h>
#include <stdint.h>
/**
* Compute a hash of the key over the length of string.
*
* @param[in] key is a pointer to the key to calculate the hash of.
* @param[in] length is the length of the key in bytes.
*
* @retval hash The computed uint32_t hash.
*/
uint32_t rtems_rfs_dir_hash (const void *key, size_t length);
#endif
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