diff -r ea891871f481 -r bb5522e88ab2 misc/libphysfs/lzma/CPP/Common/IntToString.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/misc/libphysfs/lzma/CPP/Common/IntToString.cpp	Mon Apr 10 12:06:43 2017 -0400
@@ -0,0 +1,63 @@
+// Common/IntToString.cpp
+
+#include "StdAfx.h"
+
+#include "IntToString.h"
+
+void ConvertUInt64ToString(UInt64 value, char *s, UInt32 base)
+{
+  if (base < 2 || base > 36)
+  {
+    *s = '\0';
+    return;
+  }
+  char temp[72];
+  int pos = 0;
+  do 
+  {
+    int delta = (int)(value % base);
+    temp[pos++] = (char)((delta < 10) ? ('0' + delta) : ('a' + (delta - 10)));
+    value /= base;
+  }
+  while (value != 0);
+  do
+    *s++ = temp[--pos];
+  while(pos > 0);
+  *s = '\0';
+}
+
+void ConvertUInt64ToString(UInt64 value, wchar_t *s)
+{
+  wchar_t temp[32];
+  int pos = 0;
+  do 
+  {
+    temp[pos++] = (wchar_t)(L'0' + (int)(value % 10));
+    value /= 10;
+  }
+  while (value != 0);
+  do 
+    *s++ = temp[--pos];
+  while(pos > 0);
+  *s = L'\0';
+}
+
+void ConvertInt64ToString(Int64 value, char *s)
+{
+  if (value < 0)
+  {
+    *s++ = '-';
+    value = -value;
+  }
+  ConvertUInt64ToString(value, s);
+}
+
+void ConvertInt64ToString(Int64 value, wchar_t *s)
+{
+  if (value < 0)
+  {
+    *s++ = L'-';
+    value = -value;
+  }
+  ConvertUInt64ToString(value, s);
+}