diff options
| author | Juli Mallett <jmallett@FreeBSD.org> | 2012-03-11 04:14:00 +0000 | 
|---|---|---|
| committer | Juli Mallett <jmallett@FreeBSD.org> | 2012-03-11 04:14:00 +0000 | 
| commit | f8b73ad2e16934621a86fd1fd67b46aa21521d0b (patch) | |
| tree | cd40bd62c08fa360ceced004ce74decd1b26ca3c /libfdt/fdt_strerror.c | |
| parent | 7a1e830cbcd5d33aa7fcdd8732e6ea26510508fd (diff) | |
Diffstat (limited to 'libfdt/fdt_strerror.c')
| -rw-r--r-- | libfdt/fdt_strerror.c | 96 | 
1 files changed, 96 insertions, 0 deletions
| diff --git a/libfdt/fdt_strerror.c b/libfdt/fdt_strerror.c new file mode 100644 index 0000000000000..03cd3cb1f8a97 --- /dev/null +++ b/libfdt/fdt_strerror.c @@ -0,0 +1,96 @@ +/* + * 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_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), +}; +#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 > (int)-FDT_ERRTABSIZE) { +		const char *s = fdt_errtable[-errval].str; + +		if (s) +			return s; +	} + +	return "<unknown error>"; +} | 
