b87e75f768
This provides rudimentary support for parsing the contents of a ZIP file. For now this just supports uncompressed file entries but DEFLATE support is planned. This also only implements a low level public API so more work will be needed to make it usable by application code. Change-Id: Ia68b3078e5276666a0e5023f4bc7a9f94272738a
64 lines
1.8 KiB
C
64 lines
1.8 KiB
C
/***************************************************************************
|
|
* __________ __ ___.
|
|
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
|
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
|
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
|
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
|
* \/ \/ \/ \/ \/
|
|
* $Id$
|
|
*
|
|
* Copyright (C) 2021 by James Buren
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
|
* KIND, either express or implied.
|
|
*
|
|
****************************************************************************/
|
|
|
|
#ifndef _ZIP_H_
|
|
#define _ZIP_H_
|
|
|
|
#include <stdbool.h>
|
|
#include <stdint.h>
|
|
#include <time.h>
|
|
|
|
enum {
|
|
ZIP_PASS_SHALLOW,
|
|
ZIP_PASS_START,
|
|
ZIP_PASS_DATA,
|
|
ZIP_PASS_END,
|
|
};
|
|
|
|
struct zip;
|
|
|
|
struct zip_args {
|
|
uint16_t entry;
|
|
uint16_t entries;
|
|
char* name;
|
|
uint32_t file_size;
|
|
time_t modts;
|
|
void* block;
|
|
uint32_t block_size;
|
|
uint32_t read_size;
|
|
};
|
|
|
|
typedef int (*zip_callback) (const struct zip_args* args, int pass, void* ctx);
|
|
|
|
// open a handle for the given full file name path
|
|
struct zip* zip_open(const char* name, bool try_mem);
|
|
|
|
// quick read of only directory index
|
|
int zip_read_shallow(struct zip* z, zip_callback cb, void* ctx);
|
|
|
|
// slow read of whole archive
|
|
// this can also pickup where a successful shallow read leftoff
|
|
int zip_read_deep(struct zip* z, zip_callback cb, void* ctx);
|
|
|
|
// returns system resources
|
|
void zip_close(struct zip* z);
|
|
|
|
#endif
|