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Diffstat (limited to 'src/extract.h')
| -rw-r--r-- | src/extract.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/src/extract.h b/src/extract.h new file mode 100644 index 0000000..1972af2 --- /dev/null +++ b/src/extract.h @@ -0,0 +1,39 @@ +/* This file is part of Nekopack. + + Copyright (C) 2017 Jakob Tsar-Fox, All Rights Reserved. + + Nekopack 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 3 of the License, or (at + your option) any later version. + + Nekopack 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 + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with Nekopack. If not, see <http://www.gnu.org/licenses/>. */ + +#pragma once + +#include <stdint.h> + +#include <zlib.h> + +/* Structure representing a "stream" in memory. A pointer to the + start of the memory region is kept for freeing purposes. */ +typedef struct { + uint64_t stream_length; + Bytef *start; + Bytef *data; +} memory_stream; + +/* Handles decompression of the archive, as well as + parsing, decrypting and writing the table entries. */ +void extract(FILE *archive, uint64_t table_offset); + +/* Wrapper for memcpy which increments the source operand by + the amount of bytes read to simulate a file stream. */ +void read_stream(void *destination, Bytef **source, size_t size); + |