[vfs #1] Add ttvfs, miniz, and minihttp sources

ExternalLibs/ttvfs/VFSInternal.h

@@ -0,0 +1,57 @@
+// VFSInternal.h - misc things that are not required to be visible outside of the library.
+// For conditions of distribution and use, see copyright notice in VFS.h
+
+// !! this file is supposed to be included ONLY from VFS*.cpp files.
+
+#ifndef VFS_INTERNAL_H
+#define VFS_INTERNAL_H
+
+// checks to enforce correct including
+#ifdef TTVFS_VFS_H
+#error Oops, TTVFS_VFS_H is defined, someone messed up and included VFS.h wrongly.
+#endif
+
+#include "VFSDefines.h"
+
+#include <cstdlib>
+#include <cstring>
+#include <string>
+#include <cassert>
+
+VFS_NAMESPACE_START
+
+inline char *allocHelper(allocator_func alloc, size_t size)
+{
+    return alloc ? (char*)alloc(size) : new char[size];
+}
+
+inline char *allocHelperExtra(allocator_func alloc, size_t size, size_t extra)
+{
+    char *p = (char*)allocHelper(alloc, size + extra);
+    memset(p + size, 0, extra);
+    return p;
+}
+
+template <typename T> inline void deleteHelper(delete_func deletor, T *mem)
+{
+    if(deletor)
+        deletor(mem);
+    else
+        delete [] mem;
+}
+
+VFS_NAMESPACE_END
+
+
+#if _MSC_VER
+# ifndef _CRT_SECURE_NO_WARNINGS
+#   define _CRT_SECURE_NO_WARNINGS
+# endif
+#ifndef _CRT_SECURE_NO_DEPRECATE
+#   define _CRT_SECURE_NO_DEPRECATE
+#endif
+#   pragma warning(disable: 4355) // 'this' : used in base member initializer list
+#endif
+
+
+#endif