1 files changed, 76 insertions, 0 deletions

diff --git a/src/lib/libc/net/gai_strerror.c b/src/lib/libc/net/gai_strerror.c
new file mode 100644
index 0000000000..767bc2f7e8
--- /dev/null
+++ b/src/lib/libc/net/gai_strerror.c
@@ -0,0 +1,76 @@
+/*      $OpenBSD: gai_strerror.c,v 1.6 2004/12/20 22:35:32 millert Exp $        */
+
+/*
+ * Copyright (c) 1997-1999, Craig Metz, All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by Craig Metz and
+ *      by other contributors.
+ * 4. Neither the name of the author nor the names of contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/* gai_strerror() v1.38 */
+
+#include <sys/types.h>
+#include <netdb.h>
+#include <errno.h>
+
+const char *
+gai_strerror(int errnum)
+{
+        switch (errnum) {
+        case 0:
+                return "no error";
+        case EAI_BADFLAGS:
+                return "invalid value for ai_flags";
+        case EAI_NONAME:
+                return "name or service is not known";
+        case EAI_AGAIN:
+                return "temporary failure in name resolution";
+        case EAI_FAIL:
+                return "non-recoverable failure in name resolution";
+        case EAI_NODATA:
+                return "no address associated with name";
+        case EAI_FAMILY:
+                return "ai_family not supported";
+        case EAI_SOCKTYPE:
+                return "ai_socktype not supported";
+        case EAI_SERVICE:
+                return "service not supported for ai_socktype";
+        case EAI_ADDRFAMILY:
+                return "address family for name not supported";
+        case EAI_MEMORY:
+                return "memory allocation failure";
+        case EAI_SYSTEM:
+                return "system error";
+        case EAI_BADHINTS:
+                return "invalid value for hints";
+        case EAI_PROTOCOL:
+                return "resolved protocol is unknown";
+        default:
+                return "unknown/invalid error";
+        }
+}