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/*
* Copyright (C) 2021 Linux Studio Plugins Project <https://lsp-plug.in/>
* (C) 2021 Vladimir Sadovnikov <sadko4u@gmail.com>
*
* This file is part of lsp-plugin-fw
* Created on: 17 дек. 2021 г.
*
* lsp-plugin-fw 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 3 of the License, or
* any later version.
*
* lsp-plugin-fw 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 lsp-plugin-fw. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef LSP_PLUG_IN_PLUG_FW_UTIL_CHECKSUM_H_
#define LSP_PLUG_IN_PLUG_FW_UTIL_CHECKSUM_H_
#include <lsp-plug.in/plug-fw/version.h>
#include <lsp-plug.in/common/types.h>
#include <lsp-plug.in/common/status.h>
#include <lsp-plug.in/io/Path.h>
#include <lsp-plug.in/lltl/pphash.h>
namespace lsp
{
namespace util
{
typedef struct checksum_t
{
uint64_t ck1;
uint64_t ck2;
uint64_t ck3;
} checksum_t;
typedef lltl::pphash<LSPString, checksum_t> checksum_list_t;
/**
* Ensure that one checksum matches another checksum
* @param c1 checksum 1
* @param c2 checksum 2
* @return true if checsums match
*/
bool match_checksum(const checksum_t *c1, const checksum_t *c2);
/**
* Compute checksum of the file and match to specified checksum
* @param cksum checksum to read
* @param file path to the file
* @return status of operation
*/
bool match_checksum(const checksum_t *cksum, const io::Path *file);
/**
* Compute checksum of the file
* @param dst destination checksum to store data
* @param file path to the file
* @return status of operation
*/
status_t calc_checksum(checksum_t *dst, const io::Path *file);
/**
* Compute checksum of the file and add it to the checksum list
* @param list checksum list
* @param base base of path of the file or NULL if not required
* @param file file to compute checksum
* @return status of operation
*/
status_t add_checksum(checksum_list_t *list, const io::Path *base, const io::Path *file);
/**
* Save all checksums to the output file
* @param list checksum list
* @param file file to save
* @return status of operation
*/
status_t save_checksums(checksum_list_t *list, const io::Path *file);
/**
* Read all checksums from the input file
* @param list checksum list
* @param file file to read
* @return status of operation
*/
status_t read_checksums(checksum_list_t *list, const io::Path *file);
/**
* Erase all the checksums from collection
* @param list checksum list
* @return status of operation
*/
status_t drop_checksums(checksum_list_t *list);
} /* namespace util */
} /* namespace lsp */
#endif /* INCLUDE_LSP_PLUG_IN_PLUG_FW_UTIL_CHECKSUM_H_ */
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