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",
47 [NLE_NODEV
] = "No such device",
48 [NLE_IMMUTABLE
] = "Immutable attribute",
49 [NLE_DUMP_INTR
] = "Dump inconsistency detected, interrupted",
53 * Return error message for an error code
54 * @return error message
56 const char *nl_geterror(int error
)
67 * Print a libnl error message
68 * @arg s error message prefix
70 * Prints the error message of the call that failed last.
72 * If s is not NULL and *s is not a null byte the argument
73 * string is printed, followed by a colon and a blank. Then
74 * the error message and a new-line.
76 void nl_perror(int error
, const char *s
)
79 fprintf(stderr
, "%s: %s\n", s
, nl_geterror(error
));
81 fprintf(stderr
, "%s\n", nl_geterror(error
));
84 int nl_syserr2nlerr(int error
)
89 case EBADF
: return NLE_BAD_SOCK
;
90 case EADDRINUSE
: return NLE_EXIST
;
91 case EEXIST
: return NLE_EXIST
;
92 case EADDRNOTAVAIL
: return NLE_NOADDR
;
93 case ESRCH
: /* fall through */
94 case ENOENT
: return NLE_OBJ_NOTFOUND
;
95 case EINTR
: return NLE_INTR
;
96 case EAGAIN
: return NLE_AGAIN
;
97 case ENOTSOCK
: return NLE_BAD_SOCK
;
98 case ENOPROTOOPT
: return NLE_INVAL
;
99 case EFAULT
: return NLE_INVAL
;
100 case EACCES
: return NLE_NOACCESS
;
101 case EINVAL
: return NLE_INVAL
;
102 case ENOBUFS
: return NLE_NOMEM
;
103 case ENOMEM
: return NLE_NOMEM
;
104 case EAFNOSUPPORT
: return NLE_AF_NOSUPPORT
;
105 case EPROTONOSUPPORT
: return NLE_PROTO_MISMATCH
;
106 case EOPNOTSUPP
: return NLE_OPNOTSUPP
;
107 case EPERM
: return NLE_PERM
;
108 case EBUSY
: return NLE_BUSY
;
109 case ERANGE
: return NLE_RANGE
;
110 case ENODEV
: return NLE_NODEV
;
111 default: return NLE_FAILURE
;