libfdt - library for manipulating device trees in flattened format

Initial revision, read-only and "in-place" (no memmove() required)
write operations only.

libfdt_internal.h

@@ -0,0 +1,39 @@
+#ifndef _LIBFDT_INTERNAL_H
+#define _LIBFDT_INTERNAL_H
+/*
+ * libfdt - Flat Device Tree manipulation
+ * Copyright (C) 2006 David Gibson, IBM Corporation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+#include <fdt.h>
+
+#define ALIGN(x, a)	(((x) + (a) - 1) & ~((a) - 1))
+#define PALIGN(p, a)	((void *)ALIGN((unsigned long)(p), (a)))
+
+#define memeq(p, q, n)	(memcmp((p), (q), (n)) == 0)
+#define streq(p, q)	(strcmp((p), (q)) == 0)
+
+uint32_t _fdt_next_tag(const struct fdt_header *fdt, int startoffset, int *nextoffset);
+struct fdt_property *_fdt_getprop(const struct fdt_header *fdt, int nodeoffset,
+				  const char *name, int *lenp);
+
+
+#define OFFSET_ERROR(code)	-(code)
+#define PTR_ERROR(code)		(void *)(-(code))
+
+#define SW_OFFSET(fdt)		((fdt)->version)
+
+#endif /* _LIBFDT_INTERNAL_H */