fe92f6bb75
v17 of the blob format adds a field for the size of the structure block, but is backwards compatible with v16. This patch introduces definitions for the new field, and uses it to improve the bounds checking in the read-only code. It also cleans up the sequential write code using it: we no longer need to borrow the version field as a write pointer.
41 lines
1.6 KiB
C
41 lines
1.6 KiB
C
#ifndef _LIBFDT_INTERNAL_H
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#define _LIBFDT_INTERNAL_H
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/*
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* libfdt - Flat Device Tree manipulation
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* Copyright (C) 2006 David Gibson, IBM Corporation.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1 of
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* the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <fdt.h>
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#define ALIGN(x, a) (((x) + (a) - 1) & ~((a) - 1))
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#define PALIGN(p, a) ((void *)ALIGN((unsigned long)(p), (a)))
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#define memeq(p, q, n) (memcmp((p), (q), (n)) == 0)
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#define streq(p, q) (strcmp((p), (q)) == 0)
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int _fdt_check_header(const struct fdt_header *fdt);
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uint32_t _fdt_next_tag(const struct fdt_header *fdt, int startoffset, int *nextoffset);
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struct fdt_property *_fdt_getprop(const struct fdt_header *fdt, int nodeoffset,
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const char *name, int *lenp);
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const char *_fdt_find_string(const char *strtab, int tabsize, const char *s);
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#define OFFSET_ERROR(code) -(code)
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#define PTR_ERROR(code) (void *)(-(code))
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#define SW_MAGIC (~FDT_MAGIC)
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#endif /* _LIBFDT_INTERNAL_H */
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