Initial revision

lib/ip/ethera2n.c

@@ -0,0 +1,42 @@
+/*
+ethera2n.c
+
+Convert an ASCII string with an ethernet address into a struct ether_addr.
+
+Created:	Nov 17, 1992 by Philip Homburg
+*/
+
+#include <sys/types.h>
+#include <stdlib.h>
+#include <net/netlib.h>
+#include <net/gen/ether.h>
+#include <net/gen/if_ether.h>
+
+struct ether_addr *ether_aton(s)
+_CONST char *s;
+{
+	static struct ether_addr ea;
+
+	int i;
+	long v;
+	char *check;
+
+	if (s == NULL)
+		return NULL;
+
+	for (i=0; i<6; i++)
+	{
+		v= strtol(s, &check, 16);
+		if (v<0 || v>255)
+			return NULL;
+		if ((i<5 && check[0] != ':') || (i == 5 && check[0] != '\0'))
+			return NULL;
+		ea.ea_addr[i]= v;
+		s= check+1;
+	}
+	return &ea;
+}
+
+/*
+ * $PchId: ethera2n.c,v 1.3 1996/02/22 21:10:01 philip Exp $
+ */