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domenico
2025-06-24 16:03:39 +02:00
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package/libs/libnl-tiny/src/error.c Normal file
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/*
* lib/error.c Error Handling
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation version 2.1
* of the License.
*
* Copyright (c) 2008 Thomas Graf <tgraf@suug.ch>
*/
#include <netlink-local.h>
#include <netlink/netlink.h>
static const char *errmsg[NLE_MAX+1] = {
[NLE_SUCCESS] = "Success",
[NLE_FAILURE] = "Unspecific failure",
[NLE_INTR] = "Interrupted system call",
[NLE_BAD_SOCK] = "Bad socket",
[NLE_AGAIN] = "Try again",
[NLE_NOMEM] = "Out of memory",
[NLE_EXIST] = "Object exists",
[NLE_INVAL] = "Invalid input data or parameter",
[NLE_RANGE] = "Input data out of range",
[NLE_MSGSIZE] = "Message size not sufficient",
[NLE_OPNOTSUPP] = "Operation not supported",
[NLE_AF_NOSUPPORT] = "Address family not supported",
[NLE_OBJ_NOTFOUND] = "Object not found",
[NLE_NOATTR] = "Attribute not available",
[NLE_MISSING_ATTR] = "Missing attribute",
[NLE_AF_MISMATCH] = "Address family mismatch",
[NLE_SEQ_MISMATCH] = "Message sequence number mismatch",
[NLE_MSG_OVERFLOW] = "Kernel reported message overflow",
[NLE_MSG_TRUNC] = "Kernel reported truncated message",
[NLE_NOADDR] = "Invalid address for specified address family",
[NLE_SRCRT_NOSUPPORT] = "Source based routing not supported",
[NLE_MSG_TOOSHORT] = "Netlink message is too short",
[NLE_MSGTYPE_NOSUPPORT] = "Netlink message type is not supported",
[NLE_OBJ_MISMATCH] = "Object type does not match cache",
[NLE_NOCACHE] = "Unknown or invalid cache type",
[NLE_BUSY] = "Object busy",
[NLE_PROTO_MISMATCH] = "Protocol mismatch",
[NLE_NOACCESS] = "No Access",
[NLE_PERM] = "Operation not permitted",
[NLE_PKTLOC_FILE] = "Unable to open packet location file",
[NLE_PARSE_ERR] = "Unable to parse object",
[NLE_NODEV] = "No such device",
[NLE_IMMUTABLE] = "Immutable attribute",
[NLE_DUMP_INTR] = "Dump inconsistency detected, interrupted",
};
/**
* Return error message for an error code
* @return error message
*/
const char *nl_geterror(int error)
{
error = abs(error);
if (error > NLE_MAX)
error = NLE_FAILURE;
return errmsg[error];
}
/**
* Print a libnl error message
* @arg s error message prefix
*
* Prints the error message of the call that failed last.
*
* If s is not NULL and *s is not a null byte the argument
* string is printed, followed by a colon and a blank. Then
* the error message and a new-line.
*/
void nl_perror(int error, const char *s)
{
if (s && *s)
fprintf(stderr, "%s: %s\n", s, nl_geterror(error));
else
fprintf(stderr, "%s\n", nl_geterror(error));
}
int nl_syserr2nlerr(int error)
{
error = abs(error);
switch (error) {
case EBADF: return NLE_BAD_SOCK;
case EADDRINUSE: return NLE_EXIST;
case EEXIST: return NLE_EXIST;
case EADDRNOTAVAIL: return NLE_NOADDR;
case ESRCH: /* fall through */
case ENOENT: return NLE_OBJ_NOTFOUND;
case EINTR: return NLE_INTR;
case EAGAIN: return NLE_AGAIN;
case ENOTSOCK: return NLE_BAD_SOCK;
case ENOPROTOOPT: return NLE_INVAL;
case EFAULT: return NLE_INVAL;
case EACCES: return NLE_NOACCESS;
case EINVAL: return NLE_INVAL;
case ENOBUFS: return NLE_NOMEM;
case ENOMEM: return NLE_NOMEM;
case EAFNOSUPPORT: return NLE_AF_NOSUPPORT;
case EPROTONOSUPPORT: return NLE_PROTO_MISMATCH;
case EOPNOTSUPP: return NLE_OPNOTSUPP;
case EPERM: return NLE_PERM;
case EBUSY: return NLE_BUSY;
case ERANGE: return NLE_RANGE;
case ENODEV: return NLE_NODEV;
default: return NLE_FAILURE;
}
}
/** @} */