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/net/netmkaddr.c | 56 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100755 sys/src/ape/lib/net/netmkaddr.c

(limited to 'sys/src/ape/lib/net/netmkaddr.c')

diff --git a/sys/src/ape/lib/net/netmkaddr.c b/sys/src/ape/lib/net/netmkaddr.c
new file mode 100755
index 000000000..52b9710a0
--- /dev/null
+++ b/sys/src/ape/lib/net/netmkaddr.c
@@ -0,0 +1,56 @@
+#include <stdlib.h>
+#include <sys/types.h>
+#include <string.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <libnet.h>
+
+/*
+ *  make an address, add the defaults
+ */
+char *
+netmkaddr(char *linear, char *defnet, char *defsrv)
+{
+	static char addr[256];
+	char *cp;
+
+	/*
+	 *  dump network name
+	 */
+	cp = strchr(linear, '!');
+	if(cp == 0){
+		if(defnet==0){
+			if(defsrv)
+				snprintf(addr, sizeof(addr), "net!%s!%s",
+					linear, defsrv);
+			else
+				snprintf(addr, sizeof(addr), "net!%s", linear);
+		}
+		else {
+			if(defsrv)
+				snprintf(addr, sizeof(addr), "%s!%s!%s", defnet,
+					linear, defsrv);
+			else
+				snprintf(addr, sizeof(addr), "%s!%s", defnet,
+					linear);
+		}
+		return addr;
+	}
+
+	/*
+	 *  if there is already a service, use it
+	 */
+	cp = strchr(cp+1, '!');
+	if(cp)
+		return linear;
+
+	/*
+	 *  add default service
+	 */
+	if(defsrv == 0)
+		return linear;
+	snprintf(addr, sizeof(addr), "%s!%s", linear, defsrv);
+
+	return addr;
+}
-- 
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