8846e087c0
This adds code sufficient to extract files to available storage given a suitable root directory to extract to. It works on an already open zip handle and also supports chain-loading a secondary callback in the event that integration into the process is desired. Change-Id: Id200d8f20d84a0cbd22906470de8bbd21d4525ef
68 lines
2 KiB
C
68 lines
2 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2021 by James Buren
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#ifndef _ZIP_H_
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#define _ZIP_H_
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#include <stdbool.h>
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#include <stdint.h>
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#include <time.h>
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enum {
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ZIP_PASS_SHALLOW,
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ZIP_PASS_START,
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ZIP_PASS_DATA,
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ZIP_PASS_END,
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};
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struct zip;
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struct zip_args {
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uint16_t entry;
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uint16_t entries;
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char* name;
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uint32_t file_size;
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time_t mtime;
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void* block;
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uint32_t block_size;
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uint32_t read_size;
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};
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typedef int (*zip_callback) (const struct zip_args* args, int pass, void* ctx);
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// open a handle for the given full file name path
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struct zip* zip_open(const char* name, bool try_mem);
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// quick read of only directory index
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int zip_read_shallow(struct zip* z, zip_callback cb, void* ctx);
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// slow read of whole archive
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// this can also pickup where a successful shallow read leftoff
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int zip_read_deep(struct zip* z, zip_callback cb, void* ctx);
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// extract the contents to an existing directory
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// this can also pickup where a successful shallow read leftoff
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int zip_extract(struct zip* z, const char* root, zip_callback cb, void* ctx);
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// returns system resources
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void zip_close(struct zip* z);
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#endif
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