/* | |
* libfdt - Flat Device Tree manipulation | |
* Copyright (C) 2006 David Gibson, IBM Corporation. | |
* | |
* libfdt is dual licensed: you can use it either under the terms of | |
* the GPL, or the BSD license, at your option. | |
* | |
* a) This library is free software; you can redistribute it and/or | |
* modify it under the terms of the GNU General Public License as | |
* published by the Free Software Foundation; either version 2 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 General Public License for more details. | |
* | |
* You should have received a copy of the GNU 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 | |
* | |
* Alternatively, | |
* | |
* b) Redistribution and use in source and binary forms, with or | |
* without modification, are permitted provided that the following | |
* conditions are met: | |
* | |
* 1. Redistributions of source code must retain the above | |
* copyright notice, this list of conditions and the following | |
* disclaimer. | |
* 2. Redistributions in binary form must reproduce the above | |
* copyright notice, this list of conditions and the following | |
* disclaimer in the documentation and/or other materials | |
* provided with the distribution. | |
* | |
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND | |
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, | |
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR | |
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR | |
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, | |
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
*/ | |
#include "libfdt_env.h" | |
#include <fdt.h> | |
#include <libfdt.h> | |
#include "libfdt_internal.h" | |
struct fdt_errtabent { | |
const char *str; | |
}; | |
#define FDT_ERRTABENT(val) \ | |
[(val)] = { .str = #val, } | |
static struct fdt_errtabent fdt_errtable[] = { | |
FDT_ERRTABENT (FDT_ERR_NOTFOUND), | |
FDT_ERRTABENT (FDT_ERR_EXISTS), | |
FDT_ERRTABENT (FDT_ERR_NOSPACE), | |
FDT_ERRTABENT (FDT_ERR_BADOFFSET), | |
FDT_ERRTABENT (FDT_ERR_BADPATH), | |
FDT_ERRTABENT (FDT_ERR_BADPHANDLE), | |
FDT_ERRTABENT (FDT_ERR_BADSTATE), | |
FDT_ERRTABENT (FDT_ERR_TRUNCATED), | |
FDT_ERRTABENT (FDT_ERR_BADMAGIC), | |
FDT_ERRTABENT (FDT_ERR_BADVERSION), | |
FDT_ERRTABENT (FDT_ERR_BADSTRUCTURE), | |
FDT_ERRTABENT (FDT_ERR_BADLAYOUT), | |
FDT_ERRTABENT (FDT_ERR_INTERNAL), | |
FDT_ERRTABENT (FDT_ERR_BADNCELLS), | |
FDT_ERRTABENT (FDT_ERR_BADVALUE), | |
FDT_ERRTABENT (FDT_ERR_BADOVERLAY), | |
FDT_ERRTABENT (FDT_ERR_NOPHANDLES), | |
}; | |
#define FDT_ERRTABSIZE (sizeof(fdt_errtable) / sizeof(fdt_errtable[0])) | |
const char * | |
fdt_strerror ( | |
int errval | |
) | |
{ | |
if (errval > 0) { | |
return "<valid offset/length>"; | |
} else if (errval == 0) { | |
return "<no error>"; | |
} else if (errval > -FDT_ERRTABSIZE) { | |
const char *s = fdt_errtable[-errval].str; | |
if (s) { | |
return s; | |
} | |
} | |
return "<unknown error>"; | |
} |