stream_decoder.h File Reference

Decodes .xz Streams. More...

#include "common.h"

Go to the source code of this file.

Functions
lzma_ret	lzma_stream_decoder_init (lzma_next_coder *next, const lzma_allocator *allocator, uint64_t memlimit, uint32_t flags)

Detailed Description

Decodes .xz Streams.

Definition in file stream_decoder.h.

Function Documentation

lzma_stream_decoder_init()

lzma_ret lzma_stream_decoder_init	(	lzma_next_coder *	next,
		const lzma_allocator *	allocator,
		uint64_t	memlimit,
		uint32_t	flags
	)

Definition at line 419 of file stream_decoder.c.

{
    lzma_next_coder_init(&lzma_stream_decoder_init, next, allocator);
 
    if (flags & ~LZMA_SUPPORTED_FLAGS)
        return LZMA_OPTIONS_ERROR;
 
    lzma_stream_coder *coder = next->coder;
    if (coder == NULL) {
        coder = lzma_alloc(sizeof(lzma_stream_coder), allocator);
        if (coder == NULL)
            return LZMA_MEM_ERROR;
 
        next->coder = coder;
        next->code = &stream_decode;
        next->end = &stream_decoder_end;
        next->get_check = &stream_decoder_get_check;
        next->memconfig = &stream_decoder_memconfig;
 
        coder->block_decoder = LZMA_NEXT_CODER_INIT;
        coder->index_hash = NULL;
    }
 
    coder->memlimit = my_max(1, memlimit);
    coder->memusage = LZMA_MEMUSAGE_BASE;
    coder->tell_no_check = (flags & LZMA_TELL_NO_CHECK) != 0;
    coder->tell_unsupported_check
            = (flags & LZMA_TELL_UNSUPPORTED_CHECK) != 0;
    coder->tell_any_check = (flags & LZMA_TELL_ANY_CHECK) != 0;
    coder->ignore_check = (flags & LZMA_IGNORE_CHECK) != 0;
    coder->concatenated = (flags & LZMA_CONCATENATED) != 0;
    coder->first_stream = true;
 
    return stream_decoder_reset(coder, allocator);
}

References allocator, lzma_stream_coder::block_decoder, lzma_next_coder_s::code, lzma_next_coder_s::coder, lzma_stream_coder::concatenated, lzma_next_coder_s::end, lzma_stream_coder::first_stream, flags, lzma_next_coder_s::get_check, lzma_stream_coder::ignore_check, lzma_stream_coder::index_hash, lzma_alloc(), LZMA_CONCATENATED, LZMA_IGNORE_CHECK, LZMA_MEM_ERROR, LZMA_MEMUSAGE_BASE, LZMA_NEXT_CODER_INIT, lzma_next_coder_init, LZMA_OPTIONS_ERROR, LZMA_SUPPORTED_FLAGS, LZMA_TELL_ANY_CHECK, LZMA_TELL_NO_CHECK, LZMA_TELL_UNSUPPORTED_CHECK, lzma_next_coder_s::memconfig, memlimit, lzma_stream_coder::memlimit, lzma_stream_coder::memusage, my_max, NULL, stream_decode(), stream_decoder_end(), stream_decoder_get_check(), stream_decoder_memconfig(), stream_decoder_reset(), lzma_stream_coder::tell_any_check, lzma_stream_coder::tell_no_check, and lzma_stream_coder::tell_unsupported_check.

Referenced by auto_decode(), and LZMA_API().