OpenWrt – Blame information for rev 1
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1 | office | 1 | /* |
2 | * lib/error.c Error Handling |
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3 | * |
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4 | * This library is free software; you can redistribute it and/or |
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5 | * modify it under the terms of the GNU Lesser General Public |
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6 | * License as published by the Free Software Foundation version 2.1 |
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7 | * of the License. |
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8 | * |
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9 | * Copyright (c) 2008 Thomas Graf <tgraf@suug.ch> |
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10 | */ |
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11 | |||
12 | #include <netlink-local.h> |
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13 | #include <netlink/netlink.h> |
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14 | |||
15 | static const char *errmsg[NLE_MAX+1] = { |
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16 | [NLE_SUCCESS] = "Success", |
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17 | [NLE_FAILURE] = "Unspecific failure", |
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18 | [NLE_INTR] = "Interrupted system call", |
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19 | [NLE_BAD_SOCK] = "Bad socket", |
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20 | [NLE_AGAIN] = "Try again", |
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21 | [NLE_NOMEM] = "Out of memory", |
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22 | [NLE_EXIST] = "Object exists", |
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23 | [NLE_INVAL] = "Invalid input data or parameter", |
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24 | [NLE_RANGE] = "Input data out of range", |
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25 | [NLE_MSGSIZE] = "Message size not sufficient", |
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26 | [NLE_OPNOTSUPP] = "Operation not supported", |
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27 | [NLE_AF_NOSUPPORT] = "Address family not supported", |
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28 | [NLE_OBJ_NOTFOUND] = "Object not found", |
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29 | [NLE_NOATTR] = "Attribute not available", |
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30 | [NLE_MISSING_ATTR] = "Missing attribute", |
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31 | [NLE_AF_MISMATCH] = "Address family mismatch", |
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32 | [NLE_SEQ_MISMATCH] = "Message sequence number mismatch", |
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33 | [NLE_MSG_OVERFLOW] = "Kernel reported message overflow", |
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34 | [NLE_MSG_TRUNC] = "Kernel reported truncated message", |
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35 | [NLE_NOADDR] = "Invalid address for specified address family", |
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36 | [NLE_SRCRT_NOSUPPORT] = "Source based routing not supported", |
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37 | [NLE_MSG_TOOSHORT] = "Netlink message is too short", |
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38 | [NLE_MSGTYPE_NOSUPPORT] = "Netlink message type is not supported", |
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39 | [NLE_OBJ_MISMATCH] = "Object type does not match cache", |
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40 | [NLE_NOCACHE] = "Unknown or invalid cache type", |
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41 | [NLE_BUSY] = "Object busy", |
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42 | [NLE_PROTO_MISMATCH] = "Protocol mismatch", |
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43 | [NLE_NOACCESS] = "No Access", |
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44 | [NLE_PERM] = "Operation not permitted", |
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45 | [NLE_PKTLOC_FILE] = "Unable to open packet location file", |
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46 | [NLE_PARSE_ERR] = "Unable to parse object", |
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47 | [NLE_NODEV] = "No such device", |
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48 | [NLE_IMMUTABLE] = "Immutable attribute", |
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49 | [NLE_DUMP_INTR] = "Dump inconsistency detected, interrupted", |
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50 | }; |
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51 | |||
52 | /** |
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53 | * Return error message for an error code |
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54 | * @return error message |
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55 | */ |
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56 | const char *nl_geterror(int error) |
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57 | { |
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58 | error = abs(error); |
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59 | |||
60 | if (error > NLE_MAX) |
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61 | error = NLE_FAILURE; |
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62 | |||
63 | return errmsg[error]; |
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64 | } |
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65 | |||
66 | /** |
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67 | * Print a libnl error message |
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68 | * @arg s error message prefix |
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69 | * |
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70 | * Prints the error message of the call that failed last. |
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71 | * |
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72 | * If s is not NULL and *s is not a null byte the argument |
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73 | * string is printed, followed by a colon and a blank. Then |
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74 | * the error message and a new-line. |
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75 | */ |
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76 | void nl_perror(int error, const char *s) |
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77 | { |
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78 | if (s && *s) |
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79 | fprintf(stderr, "%s: %s\n", s, nl_geterror(error)); |
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80 | else |
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81 | fprintf(stderr, "%s\n", nl_geterror(error)); |
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82 | } |
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83 | |||
84 | int nl_syserr2nlerr(int error) |
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85 | { |
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86 | error = abs(error); |
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87 | |||
88 | switch (error) { |
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89 | case EBADF: return NLE_BAD_SOCK; |
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90 | case EADDRINUSE: return NLE_EXIST; |
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91 | case EEXIST: return NLE_EXIST; |
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92 | case EADDRNOTAVAIL: return NLE_NOADDR; |
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93 | case ESRCH: /* fall through */ |
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94 | case ENOENT: return NLE_OBJ_NOTFOUND; |
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95 | case EINTR: return NLE_INTR; |
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96 | case EAGAIN: return NLE_AGAIN; |
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97 | case ENOTSOCK: return NLE_BAD_SOCK; |
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98 | case ENOPROTOOPT: return NLE_INVAL; |
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99 | case EFAULT: return NLE_INVAL; |
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100 | case EACCES: return NLE_NOACCESS; |
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101 | case EINVAL: return NLE_INVAL; |
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102 | case ENOBUFS: return NLE_NOMEM; |
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103 | case ENOMEM: return NLE_NOMEM; |
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104 | case EAFNOSUPPORT: return NLE_AF_NOSUPPORT; |
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105 | case EPROTONOSUPPORT: return NLE_PROTO_MISMATCH; |
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106 | case EOPNOTSUPP: return NLE_OPNOTSUPP; |
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107 | case EPERM: return NLE_PERM; |
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108 | case EBUSY: return NLE_BUSY; |
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109 | case ERANGE: return NLE_RANGE; |
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110 | case ENODEV: return NLE_NODEV; |
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111 | default: return NLE_FAILURE; |
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112 | } |
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113 | } |
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114 | |||
115 | /** @} */ |
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116 |