From 25fe729532cdf4b8fed56a4519b73cf31efaec50 Mon Sep 17 00:00:00 2001 From: Lasse Collin Date: Mon, 11 Apr 2011 21:15:07 +0300 Subject: [PATCH] liblzma: Add the forgotten lzma_lzma2_block_size(). This should have been in 5eefc0086d24a65e136352f8c1d19cefb0cbac7a. --- src/liblzma/lzma/lzma2_encoder.c | 10 ++++++++++ src/liblzma/lzma/lzma2_encoder.h | 2 ++ 2 files changed, 12 insertions(+) diff --git a/src/liblzma/lzma/lzma2_encoder.c b/src/liblzma/lzma/lzma2_encoder.c index e734bc53..28442c32 100644 --- a/src/liblzma/lzma/lzma2_encoder.c +++ b/src/liblzma/lzma/lzma2_encoder.c @@ -391,3 +391,13 @@ lzma_lzma2_props_encode(const void *options, uint8_t *out) return LZMA_OK; } + + +extern uint64_t +lzma_lzma2_block_size(const void *options) +{ + const lzma_options_lzma *const opt = options; + + // Use at least 1 MiB to keep compression ratio better. + return my_max((uint64_t)(opt->dict_size) * 3, UINT64_C(1) << 20); +} diff --git a/src/liblzma/lzma/lzma2_encoder.h b/src/liblzma/lzma/lzma2_encoder.h index ca19ef46..12881364 100644 --- a/src/liblzma/lzma/lzma2_encoder.h +++ b/src/liblzma/lzma/lzma2_encoder.h @@ -38,4 +38,6 @@ extern uint64_t lzma_lzma2_encoder_memusage(const void *options); extern lzma_ret lzma_lzma2_props_encode(const void *options, uint8_t *out); +extern uint64_t lzma_lzma2_block_size(const void *options); + #endif -- 2.40.0