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

ExternalLibs/ttvfs/VFSFileFuncs.cpp

@@ -0,0 +1,78 @@
+#include "VFSFileFuncs.h"
+
+// this is for POSIX - define before including any stdio headers
+#ifdef VFS_LARGEFILE_SUPPORT
+#    ifndef _MSC_VER
+#        define _FILE_OFFSET_BITS 64
+#    endif
+#endif
+
+#include "VFSInternal.h"
+
+#include <cstdio>
+
+// Compile time assertion to make sure things work as expected
+#if defined(VFS_LARGEFILE_SUPPORT) && !defined(_MSC_VER)
+static void _dummy_() { switch(0) { case 4: case sizeof(off_t): ; } }
+#endif
+
+VFS_NAMESPACE_START
+
+void *real_fopen(const char *name, const char *mode)
+{
+    return fopen(name, mode);
+}
+
+int real_fclose(void *fh)
+{
+    return fclose((FILE*)fh);
+}
+
+int real_fseek(void *fh, vfspos offset, int origin)
+{
+#ifdef VFS_LARGEFILE_SUPPORT
+#  ifdef _MSC_VER
+    return _fseeki64((FILE*)fh, offset, origin);
+#  else
+    return fseeko((FILE*)fh, offset, origin);
+#  endif
+#else
+    return fseek((FILE*)fh, offset, origin);
+#endif
+}
+
+vfspos real_ftell(void *fh)
+{
+#ifdef VFS_LARGEFILE_SUPPORT
+#  ifdef _MSC_VER
+    return _ftelli64((FILE*)fh);
+#  else
+    return ftello((FILE*)fh);
+#  endif
+#else
+    return ftell((FILE*)fh);
+#endif
+}
+
+size_t real_fread(void *ptr, size_t size, size_t count, void *fh)
+{
+    return fread(ptr, size, count, (FILE*)fh);
+}
+
+size_t real_fwrite(const void *ptr, size_t size, size_t count, void *fh)
+{
+    return fwrite(ptr, size, count, (FILE*)fh);
+}
+
+int real_feof(void *fh)
+{
+    return feof((FILE*)fh);
+}
+
+int real_fflush(void *fh)
+{
+    return fflush((FILE*)fh);
+}
+
+
+VFS_NAMESPACE_END