20060303a

1 files changed, 50 insertions, 0 deletions

diff --git a/libkern/netmkaddr.c b/libkern/netmkaddr.c
new file mode 100644
index 00000000..1e3b6294
--- /dev/null
+++ b/libkern/netmkaddr.c
@@ -0,0 +1,50 @@
+#include <lib9.h>
+
+/*
+ *  make an address, add the defaults
+ */
+char *
+netmkaddr(char *linear, char *defnet, char *defsrv)
+{
+	static char addr[4*(NAMELEN+1)];
+	char *cp;
+
+	/*
+	 *  dump network name
+	 */
+	cp = strchr(linear, '!');
+	if(cp == 0){
+		if(defnet==0){
+			if(defsrv)
+				sprint(addr, "net!%.*s!%.*s", 2*NAMELEN, linear,
+					NAMELEN, defsrv);
+			else
+				sprint(addr, "net!%.*s", 2*NAMELEN, linear);
+		} else {
+			if(defsrv)
+				sprint(addr, "%.*s!%.*s!%.*s", NAMELEN, defnet,
+					2*NAMELEN, linear, NAMELEN, defsrv);
+			else
+				sprint(addr, "%.*s!%.*s", NAMELEN, defnet,
+					2*NAMELEN, 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;
+	sprint(addr, "%.*s!%.*s", 3*NAMELEN, linear,
+		NAMELEN, defsrv);
+
+	return addr;
+}