| Index: xz/debug/full_flush.c
|
| ===================================================================
|
| --- xz/debug/full_flush.c (revision 0)
|
| +++ xz/debug/full_flush.c (revision 0)
|
| @@ -0,0 +1,102 @@
|
| +///////////////////////////////////////////////////////////////////////////////
|
| +//
|
| +/// \file full_flush.c
|
| +/// \brief Encode files using LZMA_FULL_FLUSH
|
| +//
|
| +// Author: Lasse Collin
|
| +//
|
| +// This file has been put into the public domain.
|
| +// You can do whatever you want with this file.
|
| +//
|
| +///////////////////////////////////////////////////////////////////////////////
|
| +
|
| +#include "sysdefs.h"
|
| +#include "lzma.h"
|
| +#include <stdio.h>
|
| +
|
| +
|
| +static lzma_stream strm = LZMA_STREAM_INIT;
|
| +static FILE *file_in;
|
| +
|
| +
|
| +static void
|
| +encode(size_t size, lzma_action action)
|
| +{
|
| + static const size_t CHUNK = 64;
|
| + uint8_t in[CHUNK];
|
| + uint8_t out[CHUNK];
|
| + lzma_ret ret;
|
| +
|
| + do {
|
| + if (strm.avail_in == 0 && size > 0) {
|
| + const size_t amount = my_min(size, CHUNK);
|
| + strm.avail_in = fread(in, 1, amount, file_in);
|
| + strm.next_in = in;
|
| + size -= amount; // Intentionally not using avail_in.
|
| + }
|
| +
|
| + strm.next_out = out;
|
| + strm.avail_out = CHUNK;
|
| +
|
| + ret = lzma_code(&strm, size == 0 ? action : LZMA_RUN);
|
| +
|
| + if (ret != LZMA_OK && ret != LZMA_STREAM_END) {
|
| + fprintf(stderr, "%s:%u: %s: ret == %d\n",
|
| + __FILE__, __LINE__, __func__, ret);
|
| + exit(1);
|
| + }
|
| +
|
| + fwrite(out, 1, CHUNK - strm.avail_out, stdout);
|
| +
|
| + } while (size > 0 || strm.avail_out == 0);
|
| +
|
| + if ((action == LZMA_RUN && ret != LZMA_OK)
|
| + || (action != LZMA_RUN && ret != LZMA_STREAM_END)) {
|
| + fprintf(stderr, "%s:%u: %s: ret == %d\n",
|
| + __FILE__, __LINE__, __func__, ret);
|
| + exit(1);
|
| + }
|
| +}
|
| +
|
| +
|
| +int
|
| +main(int argc, char **argv)
|
| +{
|
| + file_in = argc > 1 ? fopen(argv[1], "rb") : stdin;
|
| +
|
| +
|
| + // Config
|
| + lzma_options_lzma opt_lzma;
|
| + if (lzma_lzma_preset(&opt_lzma, 1)) {
|
| + fprintf(stderr, "preset failed\n");
|
| + exit(1);
|
| + }
|
| + lzma_filter filters[LZMA_FILTERS_MAX + 1];
|
| + filters[0].id = LZMA_FILTER_LZMA2;
|
| + filters[0].options = &opt_lzma;
|
| + filters[1].id = LZMA_VLI_UNKNOWN;
|
| +
|
| + // Init
|
| + if (lzma_stream_encoder(&strm, filters, LZMA_CHECK_CRC32) != LZMA_OK) {
|
| + fprintf(stderr, "init failed\n");
|
| + exit(1);
|
| + }
|
| +
|
| +// if (lzma_easy_encoder(&strm, 1)) {
|
| +// fprintf(stderr, "init failed\n");
|
| +// exit(1);
|
| +// }
|
| +
|
| + // Encoding
|
| + encode(0, LZMA_FULL_FLUSH);
|
| + encode(6, LZMA_FULL_FLUSH);
|
| + encode(0, LZMA_FULL_FLUSH);
|
| + encode(7, LZMA_FULL_FLUSH);
|
| + encode(0, LZMA_FULL_FLUSH);
|
| + encode(0, LZMA_FINISH);
|
| +
|
| + // Clean up
|
| + lzma_end(&strm);
|
| +
|
| + return 0;
|
| +}
|
|
|
| Property changes on: xz/debug/full_flush.c
|
| ___________________________________________________________________
|
| Added: svn:eol-style
|
| + LF
|
|
|
|
|