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7cd5da0f GVB |
1 | /* |
2 | * libfdt - Flat Device Tree manipulation | |
3 | * Copyright (C) 2006 David Gibson, IBM Corporation. | |
4 | * | |
8d04f02f KG |
5 | * libfdt is dual licensed: you can use it either under the terms of |
6 | * the GPL, or the BSD license, at your option. | |
7cd5da0f | 7 | * |
8d04f02f KG |
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. | |
7cd5da0f | 12 | * |
8d04f02f KG |
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. | |
7cd5da0f GVB |
50 | */ |
51 | #include "libfdt_env.h" | |
52 | ||
8cf30809 | 53 | #ifndef USE_HOSTCC |
7cd5da0f GVB |
54 | #include <fdt.h> |
55 | #include <libfdt.h> | |
8cf30809 BS |
56 | #else |
57 | #include "fdt_host.h" | |
58 | #endif | |
7cd5da0f GVB |
59 | |
60 | #include "libfdt_internal.h" | |
61 | ||
fc7758ee | 62 | struct fdt_errtabent { |
7cd5da0f GVB |
63 | const char *str; |
64 | }; | |
65 | ||
fc7758ee | 66 | #define FDT_ERRTABENT(val) \ |
7cd5da0f GVB |
67 | [(val)] = { .str = #val, } |
68 | ||
fc7758ee DG |
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), | |
7cd5da0f | 73 | |
fc7758ee DG |
74 | FDT_ERRTABENT(FDT_ERR_BADOFFSET), |
75 | FDT_ERRTABENT(FDT_ERR_BADPATH), | |
76 | FDT_ERRTABENT(FDT_ERR_BADSTATE), | |
7cd5da0f | 77 | |
fc7758ee DG |
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), | |
7cd5da0f | 83 | }; |
fc7758ee | 84 | #define FDT_ERRTABSIZE (sizeof(fdt_errtable) / sizeof(fdt_errtable[0])) |
7cd5da0f GVB |
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>"; | |
fc7758ee DG |
92 | else if (errval > -FDT_ERRTABSIZE) { |
93 | const char *s = fdt_errtable[-errval].str; | |
7cd5da0f GVB |
94 | |
95 | if (s) | |
96 | return s; | |
97 | } | |
98 | ||
99 | return "<unknown error>"; | |
100 | } |