From 70e5e2f6a7084e6af909deee88ceac2f6efa7893 Mon Sep 17 00:00:00 2001 From: Lasse Collin Date: Thu, 27 May 2010 13:35:36 +0300 Subject: Remove unused chunk_size.c. Thanks to Jonathan Nieder for the reminder. --- src/liblzma/common/chunk_size.c | 67 ----------------------------------------- 1 file changed, 67 deletions(-) delete mode 100644 src/liblzma/common/chunk_size.c (limited to 'src/liblzma') diff --git a/src/liblzma/common/chunk_size.c b/src/liblzma/common/chunk_size.c deleted file mode 100644 index 363f07ec..00000000 --- a/src/liblzma/common/chunk_size.c +++ /dev/null @@ -1,67 +0,0 @@ -/////////////////////////////////////////////////////////////////////////////// -// -/// \file chunk_size.c -/// \brief Finds out the minimal reasonable chunk size for a filter chain -// -// Author: Lasse Collin -// -// This file has been put into the public domain. -// You can do whatever you want with this file. -// -/////////////////////////////////////////////////////////////////////////////// - -#include "common.h" - - -/** - * \brief Finds out the minimal reasonable chunk size for a filter chain - * - * This function helps determining the Uncompressed Sizes of the Blocks when - * doing multi-threaded encoding. - * - * When compressing a large file on a system having multiple CPUs or CPU - * cores, the file can be split into smaller chunks, that are compressed - * independently into separate Blocks in the same .lzma Stream. - * - * \return Minimum reasonable Uncompressed Size of a Block. The - * recommended minimum Uncompressed Size is between this value - * and the value times two. - - Zero if the Uncompressed Sizes of Blocks don't matter - */ -extern LZMA_API(size_t) -lzma_chunk_size(const lzma_options_filter *filters) -{ - while (filters->id != LZMA_VLI_UNKNOWN) { - switch (filters->id) { - // TODO LZMA_FILTER_SPARSE - - case LZMA_FILTER_COPY: - case LZMA_FILTER_SUBBLOCK: - case LZMA_FILTER_X86: - case LZMA_FILTER_POWERPC: - case LZMA_FILTER_IA64: - case LZMA_FILTER_ARM: - case LZMA_FILTER_ARMTHUMB: - case LZMA_FILTER_SPARC: - // These are very fast, thus there is no point in - // splitting the data into smaller blocks. - break; - - case LZMA_FILTER_LZMA1: - // The block sizes of the possible next filters in - // the chain are irrelevant after the LZMA filter. - return ((lzma_options_lzma *)(filters->options)) - ->dictionary_size; - - default: - // Unknown filters - return 0; - } - - ++filters; - } - - // Indicate that splitting would be useless. - return SIZE_MAX; -} -- cgit v1.2.3