fdt_strerror.c revision 1.1.1.1.2.3 1 1.1.1.1.2.3 skrll /* $NetBSD: fdt_strerror.c,v 1.1.1.1.2.3 2017/08/28 17:52:34 skrll Exp $ */
2 1.1.1.1.2.3 skrll
3 1.1.1.1.2.2 skrll /*
4 1.1.1.1.2.2 skrll * libfdt - Flat Device Tree manipulation
5 1.1.1.1.2.2 skrll * Copyright (C) 2006 David Gibson, IBM Corporation.
6 1.1.1.1.2.2 skrll *
7 1.1.1.1.2.2 skrll * libfdt is dual licensed: you can use it either under the terms of
8 1.1.1.1.2.2 skrll * the GPL, or the BSD license, at your option.
9 1.1.1.1.2.2 skrll *
10 1.1.1.1.2.2 skrll * a) This library is free software; you can redistribute it and/or
11 1.1.1.1.2.2 skrll * modify it under the terms of the GNU General Public License as
12 1.1.1.1.2.2 skrll * published by the Free Software Foundation; either version 2 of the
13 1.1.1.1.2.2 skrll * License, or (at your option) any later version.
14 1.1.1.1.2.2 skrll *
15 1.1.1.1.2.2 skrll * This library is distributed in the hope that it will be useful,
16 1.1.1.1.2.2 skrll * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 1.1.1.1.2.2 skrll * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 1.1.1.1.2.2 skrll * GNU General Public License for more details.
19 1.1.1.1.2.2 skrll *
20 1.1.1.1.2.2 skrll * You should have received a copy of the GNU General Public
21 1.1.1.1.2.2 skrll * License along with this library; if not, write to the Free
22 1.1.1.1.2.2 skrll * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
23 1.1.1.1.2.2 skrll * MA 02110-1301 USA
24 1.1.1.1.2.2 skrll *
25 1.1.1.1.2.2 skrll * Alternatively,
26 1.1.1.1.2.2 skrll *
27 1.1.1.1.2.2 skrll * b) Redistribution and use in source and binary forms, with or
28 1.1.1.1.2.2 skrll * without modification, are permitted provided that the following
29 1.1.1.1.2.2 skrll * conditions are met:
30 1.1.1.1.2.2 skrll *
31 1.1.1.1.2.2 skrll * 1. Redistributions of source code must retain the above
32 1.1.1.1.2.2 skrll * copyright notice, this list of conditions and the following
33 1.1.1.1.2.2 skrll * disclaimer.
34 1.1.1.1.2.2 skrll * 2. Redistributions in binary form must reproduce the above
35 1.1.1.1.2.2 skrll * copyright notice, this list of conditions and the following
36 1.1.1.1.2.2 skrll * disclaimer in the documentation and/or other materials
37 1.1.1.1.2.2 skrll * provided with the distribution.
38 1.1.1.1.2.2 skrll *
39 1.1.1.1.2.2 skrll * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
40 1.1.1.1.2.2 skrll * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
41 1.1.1.1.2.2 skrll * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
42 1.1.1.1.2.2 skrll * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
43 1.1.1.1.2.2 skrll * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
44 1.1.1.1.2.2 skrll * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
45 1.1.1.1.2.2 skrll * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
46 1.1.1.1.2.2 skrll * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
47 1.1.1.1.2.2 skrll * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 1.1.1.1.2.2 skrll * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
49 1.1.1.1.2.2 skrll * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
50 1.1.1.1.2.2 skrll * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
51 1.1.1.1.2.2 skrll * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
52 1.1.1.1.2.2 skrll */
53 1.1.1.1.2.2 skrll #include "libfdt_env.h"
54 1.1.1.1.2.2 skrll
55 1.1.1.1.2.2 skrll #include <fdt.h>
56 1.1.1.1.2.2 skrll #include <libfdt.h>
57 1.1.1.1.2.2 skrll
58 1.1.1.1.2.2 skrll #include "libfdt_internal.h"
59 1.1.1.1.2.2 skrll
60 1.1.1.1.2.2 skrll struct fdt_errtabent {
61 1.1.1.1.2.2 skrll const char *str;
62 1.1.1.1.2.2 skrll };
63 1.1.1.1.2.2 skrll
64 1.1.1.1.2.2 skrll #define FDT_ERRTABENT(val) \
65 1.1.1.1.2.2 skrll [(val)] = { .str = #val, }
66 1.1.1.1.2.2 skrll
67 1.1.1.1.2.2 skrll static struct fdt_errtabent fdt_errtable[] = {
68 1.1.1.1.2.2 skrll FDT_ERRTABENT(FDT_ERR_NOTFOUND),
69 1.1.1.1.2.2 skrll FDT_ERRTABENT(FDT_ERR_EXISTS),
70 1.1.1.1.2.2 skrll FDT_ERRTABENT(FDT_ERR_NOSPACE),
71 1.1.1.1.2.2 skrll
72 1.1.1.1.2.2 skrll FDT_ERRTABENT(FDT_ERR_BADOFFSET),
73 1.1.1.1.2.2 skrll FDT_ERRTABENT(FDT_ERR_BADPATH),
74 1.1.1.1.2.3 skrll FDT_ERRTABENT(FDT_ERR_BADPHANDLE),
75 1.1.1.1.2.2 skrll FDT_ERRTABENT(FDT_ERR_BADSTATE),
76 1.1.1.1.2.2 skrll
77 1.1.1.1.2.2 skrll FDT_ERRTABENT(FDT_ERR_TRUNCATED),
78 1.1.1.1.2.2 skrll FDT_ERRTABENT(FDT_ERR_BADMAGIC),
79 1.1.1.1.2.2 skrll FDT_ERRTABENT(FDT_ERR_BADVERSION),
80 1.1.1.1.2.2 skrll FDT_ERRTABENT(FDT_ERR_BADSTRUCTURE),
81 1.1.1.1.2.2 skrll FDT_ERRTABENT(FDT_ERR_BADLAYOUT),
82 1.1.1.1.2.3 skrll FDT_ERRTABENT(FDT_ERR_INTERNAL),
83 1.1.1.1.2.3 skrll FDT_ERRTABENT(FDT_ERR_BADNCELLS),
84 1.1.1.1.2.3 skrll FDT_ERRTABENT(FDT_ERR_BADVALUE),
85 1.1.1.1.2.3 skrll FDT_ERRTABENT(FDT_ERR_BADOVERLAY),
86 1.1.1.1.2.3 skrll FDT_ERRTABENT(FDT_ERR_NOPHANDLES),
87 1.1.1.1.2.2 skrll };
88 1.1.1.1.2.2 skrll #define FDT_ERRTABSIZE (sizeof(fdt_errtable) / sizeof(fdt_errtable[0]))
89 1.1.1.1.2.2 skrll
90 1.1.1.1.2.2 skrll const char *fdt_strerror(int errval)
91 1.1.1.1.2.2 skrll {
92 1.1.1.1.2.2 skrll if (errval > 0)
93 1.1.1.1.2.2 skrll return "<valid offset/length>";
94 1.1.1.1.2.2 skrll else if (errval == 0)
95 1.1.1.1.2.2 skrll return "<no error>";
96 1.1.1.1.2.2 skrll else if (errval > -FDT_ERRTABSIZE) {
97 1.1.1.1.2.2 skrll const char *s = fdt_errtable[-errval].str;
98 1.1.1.1.2.2 skrll
99 1.1.1.1.2.2 skrll if (s)
100 1.1.1.1.2.2 skrll return s;
101 1.1.1.1.2.2 skrll }
102 1.1.1.1.2.2 skrll
103 1.1.1.1.2.2 skrll return "<unknown error>";
104 1.1.1.1.2.2 skrll }
105