5434fcc7e0
This fixes several small bugs related to fdt_strerror(). - an entry is added to the error table for FDT_ERR_BADLAYOUT. - Incorrect usage of fdt_strerror() in check_property() and check_getprop() is corrected (they were passing a positive error code, when fdt_strerror() expects a negative code). - Add code to properly retreive an error code from fdt_get_property() in check_property(). With that a check that the length returned by fdt_get_property() matches that stored in the retreived property. Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
65 lines
1.7 KiB
C
65 lines
1.7 KiB
C
/*
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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 "libfdt_env.h"
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#include <fdt.h>
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#include <libfdt.h>
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#include "libfdt_internal.h"
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struct errtabent {
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const char *str;
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};
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#define ERRTABENT(val) \
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[(val)] = { .str = #val, }
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static struct errtabent errtable[] = {
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ERRTABENT(FDT_ERR_NOTFOUND),
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ERRTABENT(FDT_ERR_EXISTS),
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ERRTABENT(FDT_ERR_NOSPACE),
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ERRTABENT(FDT_ERR_BADOFFSET),
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ERRTABENT(FDT_ERR_BADPATH),
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ERRTABENT(FDT_ERR_BADSTATE),
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ERRTABENT(FDT_ERR_TRUNCATED),
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ERRTABENT(FDT_ERR_BADMAGIC),
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ERRTABENT(FDT_ERR_BADVERSION),
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ERRTABENT(FDT_ERR_BADSTRUCTURE),
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ERRTABENT(FDT_ERR_BADLAYOUT),
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};
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#define ERRTABSIZE (sizeof(errtable) / sizeof(errtable[0]))
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const char *fdt_strerror(int errval)
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{
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if (errval > 0)
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return "<valid offset/length>";
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else if (errval == 0)
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return "<no error>";
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else if (errval > -ERRTABSIZE) {
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const char *s = errtable[-errval].str;
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if (s)
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return s;
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}
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return "<unknown error>";
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}
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