Import xz 5.2.2 (as of svn r86089)

debug/memusage.c

@@ -0,0 +1,51 @@
+///////////////////////////////////////////////////////////////////////////////
+//
+/// \file       memusage.c
+/// \brief      Calculates memory usage using lzma_memory_usage()
+//
+//  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>
+
+int
+main(void)
+{
+	lzma_options_lzma lzma = {
+		.dict_size = (1U << 30) + (1U << 29),
+		.lc = 3,
+		.lp = 0,
+		.pb = 2,
+		.preset_dict = NULL,
+		.preset_dict_size = 0,
+		.mode = LZMA_MODE_NORMAL,
+		.nice_len = 48,
+		.mf = LZMA_MF_BT4,
+		.depth = 0,
+	};
+
+/*
+	lzma_options_filter filters[] = {
+		{ LZMA_FILTER_LZMA1,
+			(lzma_options_lzma *)&lzma_preset_lzma[6 - 1] },
+		{ UINT64_MAX, NULL }
+	};
+*/
+	lzma_filter filters[] = {
+		{ LZMA_FILTER_LZMA1, &lzma },
+		{ UINT64_MAX, NULL }
+	};
+
+	printf("Encoder: %10" PRIu64 " B\n",
+			lzma_raw_encoder_memusage(filters));
+	printf("Decoder: %10" PRIu64 " B\n",
+			lzma_raw_decoder_memusage(filters));
+
+	return 0;
+}