From 54693a0c07f250cdf6f800db8e6a8698d3bfad0b Mon Sep 17 00:00:00 2001
From: gianluca <gianluca>
Date: Sun, 22 Jan 2006 18:03:43 +0000
Subject: [PATCH] Added an implementation of gai_strerror() for the compilation
 of libpcap.lib and wpcap.dll under Cygnus and MingW32. The implementation is
 basically taken from the FreeBSD sources.

---
 Win32/Src/gai_strerror.c | 77 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 77 insertions(+)
 create mode 100644 Win32/Src/gai_strerror.c

diff --git a/Win32/Src/gai_strerror.c b/Win32/Src/gai_strerror.c
new file mode 100644
index 0000000..d3d7d68
--- /dev/null
+++ b/Win32/Src/gai_strerror.c
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
+ * 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. Neither the name of the project nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE PROJECT 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 PROJECT 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.
+ */
+
+/*
+#include <sys/cdefs.h>
+
+__FBSDID("$FreeBSD: /repoman/r/ncvs/src/lib/libc/net/gai_strerror.c,v 1.1 2005/04/06 12:45:51 ume Exp $");
+
+*/
+
+#ifdef WIN32
+
+#include <ws2tcpip.h>
+
+#else
+
+#include <netdb.h>
+
+#endif
+
+/* Entries EAI_ADDRFAMILY (1) and EAI_NODATA (7) are obsoleted, but left */
+/* for backward compatibility with userland code prior to 2553bis-02 */
+static char *ai_errlist[] = {
+	"Success",					/* 0 */
+	"Address family for hostname not supported",	/* 1 */
+	"Temporary failure in name resolution",		/* EAI_AGAIN */
+	"Invalid value for ai_flags",			/* EAI_BADFLAGS */
+	"Non-recoverable failure in name resolution",	/* EAI_FAIL */
+	"ai_family not supported",			/* EAI_FAMILY */
+	"Memory allocation failure", 			/* EAI_MEMORY */
+	"No address associated with hostname",		/* 7 */
+	"hostname nor servname provided, or not known",	/* EAI_NONAME */
+	"servname not supported for ai_socktype",	/* EAI_SERVICE */
+	"ai_socktype not supported", 			/* EAI_SOCKTYPE */
+	"System error returned in errno", 		/* EAI_SYSTEM */
+	"Invalid value for hints",			/* EAI_BADHINTS */
+	"Resolved protocol is unknown"			/* EAI_PROTOCOL */
+};
+
+#ifndef EAI_MAX
+#define EAI_MAX (sizeof(ai_errlist)/sizeof(ai_errlist[0]))
+#endif
+
+char *
+WSAAPI gai_strerrorA(int ecode)
+{
+	if (ecode >= 0 && ecode < EAI_MAX)
+		return ai_errlist[ecode];
+	return "Unknown error";
+}
+