implement gai_strerror

Author: WinterMute

libogc/ogc_sockets/soc_gai_strerror.c

@@ -0,0 +1,37 @@
+#include <netdb.h>
+
+static const struct
+{
+	const int code;
+	const char *error_string;
+}
+gai_errors[] =
+{
+	{ EAI_ADDRFAMILY, "address family for hostname not supported" },
+	{ EAI_AGAIN,      "temporary failure in name resolution" },
+	{ EAI_BADFLAGS,   "invalid value for ai_flags" },
+	{ EAI_FAIL,       "non-recoverable failure in name resolution" },
+	{ EAI_FAMILY,     "ai_family not supported" },
+	{ EAI_MEMORY,     "memory allocation failure" },
+	{ EAI_NODATA,     "no address associated with hostname" },
+	{ EAI_NONAME,     "hostname nor servname provided, or not known" }, 
+	{ EAI_SERVICE,    "servname not supported for ai_socktype" }, 
+	{ EAI_SOCKTYPE,   "ai_socktype not supported" }, 
+	{ EAI_SYSTEM,     "system error returned in errno" }, 
+	{ EAI_BADHINTS,   "invalid value for hints" }, 
+	{ EAI_PROTOCOL,   "resolved protocol is unknown" }, 
+	{ EAI_OVERFLOW,   "argument buffer overflow" }, 
+};
+
+const char *gai_strerror (int code)
+{
+	const char *result = "unknown error";
+	for (size_t i = 0; i < sizeof (gai_errors) / sizeof (gai_errors[0]); ++i)
+	if (gai_errors[i].code == code)
+	{
+		result = gai_errors[i].error_string;
+		break;
+	}
+
+	return result;
+}