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