From e5888a1ffdae813d7575f5fb02275c6bb07e5199 Mon Sep 17 00:00:00 2001
From: Taru Karttunen <taruti@taruti.net>
Date: Wed, 30 Mar 2011 15:46:40 +0300
Subject: Import sources from 2011-03-30 iso image

---
 sys/src/ape/lib/bsd/_sock_ipattr.c | 45 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100755 sys/src/ape/lib/bsd/_sock_ipattr.c

(limited to 'sys/src/ape/lib/bsd/_sock_ipattr.c')

diff --git a/sys/src/ape/lib/bsd/_sock_ipattr.c b/sys/src/ape/lib/bsd/_sock_ipattr.c
new file mode 100755
index 000000000..b9b0c8ac8
--- /dev/null
+++ b/sys/src/ape/lib/bsd/_sock_ipattr.c
@@ -0,0 +1,45 @@
+/* posix */
+#include <sys/types.h>
+#include <unistd.h>
+#include <ctype.h>
+
+/* bsd extensions */
+#include <sys/uio.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+
+#include "priv.h"
+
+/*
+ *  return ndb attribute type of an ip name
+ */
+int
+_sock_ipattr(char *name)
+{
+	char *p;
+	int dot = 0;
+	int alpha = 0;
+
+	for(p = name; *p; p++){
+		if(isdigit(*p))
+			;
+		else if(isalpha(*p) || *p == '-')
+			alpha = 1;
+		else if(*p == '.')
+			dot = 1;
+		else
+			return Tsys;
+	}
+
+	if(alpha){
+		if(dot)
+			return Tdom;
+		else
+			return Tsys;
+	}
+
+	if(dot)
+		return Tip;
+	else
+		return Tsys;
+}
-- 
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