Update XZ Utils to 5.0.3 (in deps)

src/liblzma/lzma/lzma_encoder_presets.c

 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       lzma_encoder_presets.c
 /// \brief      Encoder presets
 //
 //  Author:     Lasse Collin
 //
 //  This file has been put into the public domain.
 //  You can do whatever you want with this file.
 //
 ///////////////////////////////////////////////////////////////////////////////
 
 #include "common.h"
 
 
 extern LZMA_API(lzma_bool)
 lzma_lzma_preset(lzma_options_lzma *options, uint32_t preset)
 {
         const uint32_t level = preset & LZMA_PRESET_LEVEL_MASK;
         const uint32_t flags = preset & ~LZMA_PRESET_LEVEL_MASK;
         const uint32_t supported_flags = LZMA_PRESET_EXTREME;
 
         if (level > 9 || (flags & ~supported_flags))
                 return true;
 
-        const uint32_t dict_shift = level <= 1 ? 16 : level + 17;
-        options->dict_size = UINT32_C(1) << dict_shift;
-
         options->preset_dict = NULL;
         options->preset_dict_size = 0;
 
         options->lc = LZMA_LC_DEFAULT;
         options->lp = LZMA_LP_DEFAULT;
         options->pb = LZMA_PB_DEFAULT;
 
-        options->mode = level <= 2 ? LZMA_MODE_FAST : LZMA_MODE_NORMAL;
+        options->dict_size = UINT32_C(1) << (uint8_t []){
+                        18, 20, 21, 22, 22, 23, 23, 24, 25, 26 }[level];
 
-        options->nice_len = level == 0 ? 8 : level <= 5 ? 32 : 64;
-        options->mf = level <= 1 ? LZMA_MF_HC3 : level <= 2 ? LZMA_MF_HC4
-                        : LZMA_MF_BT4;
-        options->depth = 0;
+        if (level <= 3) {
+                options->mode = LZMA_MODE_FAST;
+                options->mf = level == 0 ? LZMA_MF_HC3 : LZMA_MF_HC4;
+                options->nice_len = level <= 1 ? 128 : 273;
+                options->depth = (uint8_t []){ 4, 8, 24, 48 }[level];
+        } else {
+                options->mode = LZMA_MODE_NORMAL;
+                options->mf = LZMA_MF_BT4;
+                options->nice_len = level == 4 ? 16 : level == 5 ? 32 : 64;
+                options->depth = 0;
+        }
 
         if (flags & LZMA_PRESET_EXTREME) {
-                options->lc = 4; // FIXME?
                 options->mode = LZMA_MODE_NORMAL;
                 options->mf = LZMA_MF_BT4;
-                options->nice_len = 273;
-                options->depth = 512;
+                if (level == 3 || level == 5) {
+                        options->nice_len = 192;
+                        options->depth = 0;
+                } else {
+                        options->nice_len = 273;
+                        options->depth = 512;
+                }
         }
 
         return false;
 }