/* * Copyright (c) 2013 Grzegorz Kostka (kostka.grzegorz@gmail.com) * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright *   notice, this list of conditions and the following disclaimer. * - Redistributions in binary form must reproduce the above copyright *   notice, this list of conditions and the following disclaimer in the *   documentation and/or other materials provided with the distribution. * - The name of the author may not be used to endorse or promote products *   derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /** @addtogroup lwext4 * @{ *//** * @file  ext4_hash.h * @brief Directory indexing hash functions. */ #ifndef EXT4_HASH_H_#define EXT4_HASH_H_ #ifdef __cplusplusextern "C" {#endif #include <ext4_config.h> #include <stdint.h> struct ext4_hash_info {	uint32_t hash;	uint32_t minor_hash;	uint32_t hash_version;	const uint32_t *seed;}; /**@brief   Directory entry name hash function. * @param   name entry name * @param   len entry name length * @param   hash_seed (from superblock) * @param   hash version (from superblock) * @param   hash_minor output value * @param   hash_major output value * @return  standard error code*/int ext2_htree_hash(const char *name, int len, const uint32_t *hash_seed,		    int hash_version, uint32_t *hash_major,		    uint32_t *hash_minor); #ifdef __cplusplus}#endif #endif /* EXT4_HASH_H_ */ /** * @} */