1 files changed, 79 insertions, 0 deletions
diff --git a/inet/ether_line.c b/inet/ether_line.c
new file mode 100644
index 0000000000..1400f5ae96
--- /dev/null
+++ b/inet/ether_line.c
@@ -0,0 +1,79 @@
+/* Copyright (C) 1996 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+#include <stdlib.h>
+#include <netinet/ether.h>
+#include <netinet/if_ether.h>
+
+
+int
+ether_line (const char *line, struct ether_addr *addr, char *hostname)
+{
+  size_t cnt;
+  char *cp;
+
+  for (cnt = 0; cnt < 6; ++cnt)
+    {
+      unsigned int number;
+      char ch;
+
+      ch = tolower (*line++);
+      if ((ch < '0' || ch > '9') && (ch < 'a' || ch > 'f'))
+	return -1;
+      number = isdigit (ch) ? (ch - '0') : (ch - 'a' + 10);
+
+      ch = tolower (*line);
+      if ((cnt < 5 && ch != ':') || (cnt == 5 && ch != '\0' && !isspace (ch)))
+	{
+	  ++line;
+	  if ((ch < '0' || ch > '9') && (ch < 'a' || ch > 'f'))
+	    return -1;
+	  number <<= 4;
+	  number = isdigit (ch) ? (ch - '0') : (ch - 'a' + 10);
+
+	  ch = *line;
+	  if (cnt < 5 && ch != ':')
+	    return -1;
+	}
+
+      /* Store result.  */
+      addr->ether_addr_octet[cnt] = (unsigned char) number;
+
+      /* Skip ':'.  */
+      if (ch != '\0')
+	++line;
+    }
+
+  /* Remove trailing white space.  */
+  cp = strchr (line, '#');
+  if (cp == NULL)
+    cp = strchr (line, '\0');
+  while (cp > line && isspace (cp[-1]))
+    --cp;
+  *cp = '\0';
+
+  if (*line == '\0')
+    /* No hostname.  */
+    return -1;
+
+  /* XXX This can cause trouble because the hostname might be too long
+     but we have no possibility to check it here.  */
+  strcpy (hostname, line);
+
+  return 0;
+}