filter_flags_decoder.c File Reference

Decodes a Filter Flags field. More...

#include "filter_decoder.h"

Go to the source code of this file.

Functions
	LZMA_API (lzma_ret)

Detailed Description

Decodes a Filter Flags field.

Definition in file filter_flags_decoder.c.

Function Documentation

LZMA_API()

LZMA_API

(

lzma_ret

)

Definition at line 16 of file filter_flags_decoder.c.

{
    // Set the pointer to NULL so the caller can always safely free it.
    filter->options = NULL;
 
    // Filter ID
    return_if_error(lzma_vli_decode(&filter->id, NULL,
            in, in_pos, in_size));
 
    if (filter->id >= LZMA_FILTER_RESERVED_START)
        return LZMA_DATA_ERROR;
 
    // Size of Properties
    lzma_vli props_size;
    return_if_error(lzma_vli_decode(&props_size, NULL,
            in, in_pos, in_size));
 
    // Filter Properties
    if (in_size - *in_pos < props_size)
        return LZMA_DATA_ERROR;
 
    const lzma_ret ret = lzma_properties_decode(
            filter, allocator, in + *in_pos, props_size);
 
    *in_pos += props_size;
 
    return ret;
}

References allocator, in, in_pos, in_size, LZMA_DATA_ERROR, LZMA_FILTER_RESERVED_START, NULL, and return_if_error.