Add an unpatched version of xz, XZ Utils, to /trunk/deps/third_party

xz/debug/memusage.c

+///////////////////////////////////////////////////////////////////////////////
+//
+/// \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;
+}