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