From 716ca530e1c4515d8683c9d5be3d56b301758b66 Mon Sep 17 00:00:00 2001
From: James <>
Date: Wed, 4 Nov 2015 11:49:21 +0000
Subject: trunk-47381

---
 package/libs/libnl-tiny/src/error.c | 116 ++++++++++++++++++++++++++++++++++++
 1 file changed, 116 insertions(+)
 create mode 100644 package/libs/libnl-tiny/src/error.c

(limited to 'package/libs/libnl-tiny/src/error.c')

diff --git a/package/libs/libnl-tiny/src/error.c b/package/libs/libnl-tiny/src/error.c
new file mode 100644
index 0000000..e8ee474
--- /dev/null
+++ b/package/libs/libnl-tiny/src/error.c
@@ -0,0 +1,116 @@
+/*
+ * 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;
+	}
+}
+
+/** @} */
+
-- 
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