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Annotation of elwix/tools/uboot_mkimage/lib/libfdt/fdt_strerror.c, revision 1.1

1.1     ! misho       1: /*
        !             2:  * libfdt - Flat Device Tree manipulation
        !             3:  * Copyright (C) 2006 David Gibson, IBM Corporation.
        !             4:  *
        !             5:  * libfdt is dual licensed: you can use it either under the terms of
        !             6:  * the GPL, or the BSD license, at your option.
        !             7:  *
        !             8:  *  a) This library is free software; you can redistribute it and/or
        !             9:  *     modify it under the terms of the GNU General Public License as
        !            10:  *     published by the Free Software Foundation; either version 2 of the
        !            11:  *     License, or (at your option) any later version.
        !            12:  *
        !            13:  *     This library is distributed in the hope that it will be useful,
        !            14:  *     but WITHOUT ANY WARRANTY; without even the implied warranty of
        !            15:  *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        !            16:  *     GNU General Public License for more details.
        !            17:  *
        !            18:  *     You should have received a copy of the GNU General Public
        !            19:  *     License along with this library; if not, write to the Free
        !            20:  *     Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
        !            21:  *     MA 02110-1301 USA
        !            22:  *
        !            23:  * Alternatively,
        !            24:  *
        !            25:  *  b) Redistribution and use in source and binary forms, with or
        !            26:  *     without modification, are permitted provided that the following
        !            27:  *     conditions are met:
        !            28:  *
        !            29:  *     1. Redistributions of source code must retain the above
        !            30:  *        copyright notice, this list of conditions and the following
        !            31:  *        disclaimer.
        !            32:  *     2. Redistributions in binary form must reproduce the above
        !            33:  *        copyright notice, this list of conditions and the following
        !            34:  *        disclaimer in the documentation and/or other materials
        !            35:  *        provided with the distribution.
        !            36:  *
        !            37:  *     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
        !            38:  *     CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
        !            39:  *     INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
        !            40:  *     MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
        !            41:  *     DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
        !            42:  *     CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
        !            43:  *     SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
        !            44:  *     NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
        !            45:  *     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            46:  *     HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
        !            47:  *     CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
        !            48:  *     OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
        !            49:  *     EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
        !            50:  */
        !            51: #include "libfdt_env.h"
        !            52: 
        !            53: #ifndef USE_HOSTCC
        !            54: #include <fdt.h>
        !            55: #include <libfdt.h>
        !            56: #else
        !            57: #include "fdt_host.h"
        !            58: #endif
        !            59: 
        !            60: #include "libfdt_internal.h"
        !            61: 
        !            62: struct fdt_errtabent {
        !            63:        const char *str;
        !            64: };
        !            65: 
        !            66: #define FDT_ERRTABENT(val) \
        !            67:        [(val)] = { .str = #val, }
        !            68: 
        !            69: static struct fdt_errtabent fdt_errtable[] = {
        !            70:        FDT_ERRTABENT(FDT_ERR_NOTFOUND),
        !            71:        FDT_ERRTABENT(FDT_ERR_EXISTS),
        !            72:        FDT_ERRTABENT(FDT_ERR_NOSPACE),
        !            73: 
        !            74:        FDT_ERRTABENT(FDT_ERR_BADOFFSET),
        !            75:        FDT_ERRTABENT(FDT_ERR_BADPATH),
        !            76:        FDT_ERRTABENT(FDT_ERR_BADSTATE),
        !            77: 
        !            78:        FDT_ERRTABENT(FDT_ERR_TRUNCATED),
        !            79:        FDT_ERRTABENT(FDT_ERR_BADMAGIC),
        !            80:        FDT_ERRTABENT(FDT_ERR_BADVERSION),
        !            81:        FDT_ERRTABENT(FDT_ERR_BADSTRUCTURE),
        !            82:        FDT_ERRTABENT(FDT_ERR_BADLAYOUT),
        !            83: };
        !            84: #define FDT_ERRTABSIZE (sizeof(fdt_errtable) / sizeof(fdt_errtable[0]))
        !            85: 
        !            86: const char *fdt_strerror(int errval)
        !            87: {
        !            88:        if (errval > 0)
        !            89:                return "<valid offset/length>";
        !            90:        else if (errval == 0)
        !            91:                return "<no error>";
        !            92:        else if (errval > -FDT_ERRTABSIZE) {
        !            93:                const char *s = fdt_errtable[-errval].str;
        !            94: 
        !            95:                if (s)
        !            96:                        return s;
        !            97:        }
        !            98: 
        !            99:        return "<unknown error>";
        !           100: }