Use LZ4_loadDict

dict was saved but never loaded. Gave a minor compression improvement
with a 8868100 bytes test file and compression-level 1

diff --git a/libarchive/archive_write_add_filter_lz4.c b/libarchive/archive_write_add_filter_lz4.c
index 06ea71373dd62d57a57d16d26064e3b2aca89476..15a99b095653be4369162a36b90e2ed65db0289c 100644 (file)
--- a/libarchive/archive_write_add_filter_lz4.c
+++ b/libarchive/archive_write_add_filter_lz4.c
@@ -565,6 +565,8 @@ drive_compressor_dependence(struct archive_write_filter *f, const char *p,
                                return (ARCHIVE_FATAL);
                        }
                }
+               else
+                       LZ4_loadDictHC(data->lz4_stream, data->in_buffer_allocated, DICT_SIZE);
 
 #if LZ4_VERSION_MAJOR >= 1 && LZ4_VERSION_MINOR >= 7
                outsize = LZ4_compress_HC_continue(
@@ -587,6 +589,8 @@ drive_compressor_dependence(struct archive_write_filter *f, const char *p,
                                return (ARCHIVE_FATAL);
                        }
                }
+               else
+                       LZ4_loadDict(data->lz4_stream, data->in_buffer_allocated, DICT_SIZE);
 
 #if LZ4_VERSION_MAJOR >= 1 && LZ4_VERSION_MINOR >= 7
                outsize = LZ4_compress_fast_continue(