/usr/include/libstoragemgmt/libstoragemgmt_hash.h is in libstoragemgmt-dev 1.2.3-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (C) 2014 Red Hat, Inc.
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; If not, see <http://www.gnu.org/licenses/>.
*
* Author: tasleson
*
*/
#ifndef LIBSTORAGEMGMT_HASH_H
#define LIBSTORAGEMGMT_HASH_H
#include "libstoragemgmt_common.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* Simple hash table which only stores character strings.
*/
/**
* Allocate storage for hash.
* @return Allocated record or NULL on memory allocation failure
*/
lsm_hash LSM_DLL_EXPORT *lsm_hash_alloc(void);
/**
* Free a lsm hash
* @param op Record to free.
* @return LSM_ERR_OK on success, else error reason.
*/
int LSM_DLL_EXPORT lsm_hash_free(lsm_hash *op);
/**
* Get the list of 'keys' available in the hash
* @param [in] op Valid optional data pointer
* @param [out] l String list pointer
* @return LSM_ERR_OK on success, else error reason
*/
int LSM_DLL_EXPORT lsm_hash_keys(lsm_hash *op, lsm_string_list **l);
/**
* Get the value of a key (string)
* @param [in] op Valid optional data pointer
* @param [in] key Key to retrieve value for
* @return Pointer to value, pointer valid until optional data memory
* gets released.
*/
const char LSM_DLL_EXPORT *lsm_hash_string_get(lsm_hash *op,
const char *key);
/**
* Set the value of a key.
* Note: If key exists, it is replaced with new one.
* @param [in] op Valid optional data pointer
* @param [in] key Key to set value for (key is duped)
* @param [in] value Value of new key (string is duped)
* @return LSM_ERR_OK on success, else error reason
*/
int LSM_DLL_EXPORT lsm_hash_string_set(lsm_hash *op,
const char *key, const char *value);
/**
* Does a copy of an lsm_hash
* @param src lsm_hash to copy
* @return NULL on error/memory allocation failure, else copy
*/
lsm_hash LSM_DLL_EXPORT *lsm_hash_copy(lsm_hash *src);
#ifdef __cplusplus
}
#endif
#endif /* LIBSTORAGEMGMT_HASH_H */
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