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 |