diff options
Diffstat (limited to 'utility/bmpblk_utility.cc')
| -rw-r--r-- | utility/bmpblk_utility.cc | 35 |
1 files changed, 34 insertions, 1 deletions
diff --git a/utility/bmpblk_utility.cc b/utility/bmpblk_utility.cc index 9f912d0b..c9188a8e 100644 --- a/utility/bmpblk_utility.cc +++ b/utility/bmpblk_utility.cc @@ -10,6 +10,7 @@ #include <assert.h> #include <errno.h> #include <getopt.h> +#include <lzma.h> #include <stdarg.h> #include <stdio.h> #include <stdlib.h> @@ -326,6 +327,38 @@ void BmpBlockUtil::load_all_image_files() { free(tmpbuf); } break; + case COMPRESS_LZMA1: + { + // Calculate the worst case of buffer size. + uint32_t tmpsize = lzma_stream_buffer_bound(content.size()); + uint8_t *tmpbuf = (uint8_t *)malloc(tmpsize); + lzma_stream stream = LZMA_STREAM_INIT; + lzma_options_lzma options; + lzma_ret result; + + lzma_lzma_preset(&options, 9); + result = lzma_alone_encoder(&stream, &options); + if (result != LZMA_OK) { + error("Unable to initialize easy encoder (error: %d)!\n", result); + } + + stream.next_in = (uint8_t *)content.data(); + stream.avail_in = content.size(); + stream.next_out = tmpbuf; + stream.avail_out = tmpsize; + result = lzma_code(&stream, LZMA_FINISH); + if (result != LZMA_STREAM_END) { + error("Unable to encode data (error: %d)!\n", result); + } + + it->second.data.compression = compression_; + it->second.compressed_content.assign((const char *)tmpbuf, + tmpsize - stream.avail_out); + it->second.data.compressed_size = tmpsize - stream.avail_out; + lzma_end(&stream); + free(tmpbuf); + } + break; default: error("Unsupported compression method attempted.\n"); } @@ -535,7 +568,7 @@ static void usagehelp_exit(const char *prog_name) { " -z NUM = compression algorithm to use\n" " 0 = none\n" " 1 = EFIv1\n" - " 2 = TBD\n" + " 2 = LZMA1\n" "\n", prog_name); printf( "To display the contents of a BMPBLOCK:\n" |