ape: initial IPv6 support, inet_pton()/inet_ntop(), getaddrinfo()/getnameinfo()

1 files changed, 34 insertions, 0 deletions

diff --git a/sys/src/ape/lib/bsd/gai_strerror.c b/sys/src/ape/lib/bsd/gai_strerror.c
new file mode 100644
index 000000000..bcb1f8e70
--- /dev/null
+++ b/sys/src/ape/lib/bsd/gai_strerror.c
@@ -0,0 +1,34 @@
+/* posix */
+#include <sys/types.h>
+#include <unistd.h>
+
+/* bsd extensions */
+#include <sys/uio.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <netdb.h>
+
+char*
+gai_strerror(int err)
+{
+	static char *tab[] = {
+		/* 0 */			"No error",
+		/* EAI_BADFLAGS */	"Invalid value for `ai_flags' field",
+		/* EAI_NONAME */	"NAME or SERVICE is unknown",
+		/* EAI_AGAIN */		"Temporary failure in name resolution",
+		/* EAI_FAIL */		"Non-recoverable failure in name resolution",
+		/* EAI_NODATA */	"No address associated with NAME",
+		/* EAI_FAMILY */	"`ai_family' not supported",
+		/* EAI_SOCKTYPE */	"`ai_socktype' not supported",
+		/* EAI_SERVICE */	"SERVICE not supported for `ai_socktype'",
+		/* EAI_ADDRFAMILY */	"Address family for NAME not supported",
+		/* EAI_MEMORY */	"Memory allocation failure",
+		/* EAI_SYSTEM */	"System error returned in `errno'",
+		/* EAI_OVERFLOW */	"Argument buffer overflow",
+	};
+
+	err = -err;
+	if(err < 0 || err >= (sizeof(tab)/sizeof(tab[0])))
+		return "Unknown error";
+	return tab[err];
+}