package-nopast/base/dietlibc/ether_aton.patch

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Copy from glibc, needed for udhcpd.

  - Rene Rebe <rene@exactcode.de>

--- /dev/null	2006-01-02 14:13:10.967999000 +0100
+++ diet/libugly/ether_aton.c	2006-01-02 21:37:51.000000000 +0100
@@ -0,0 +1,69 @@
+/* Copyright (C) 1996,97,98,99,2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <ctype.h>
+#include <stdlib.h>
+#include <net/ethernet.h>
+
+struct ether_addr *
+ether_aton_r (const char *asc, struct ether_addr *addr)
+{
+  size_t cnt;
+
+  for (cnt = 0; cnt < 6; ++cnt)
+    {
+      unsigned int number;
+      char ch;
+
+      ch = tolower (*asc++);
+      if ((ch < '0' || ch > '9') && (ch < 'a' || ch > 'f'))
+	return NULL;
+      number = isdigit (ch) ? (ch - '0') : (ch - 'a' + 10);
+
+      ch = tolower (*asc);
+      if ((cnt < 5 && ch != ':') || (cnt == 5 && ch != '\0' && !isspace (ch)))
+	{
+	  ++asc;
+	  if ((ch < '0' || ch > '9') && (ch < 'a' || ch > 'f'))
+	    return NULL;
+	  number <<= 4;
+	  number += isdigit (ch) ? (ch - '0') : (ch - 'a' + 10);
+
+	  ch = *asc;
+	  if (cnt < 5 && ch != ':')
+	    return NULL;
+	}
+
+      /* Store result.  */
+      addr->ether_addr_octet[cnt] = (unsigned char) number;
+
+      /* Skip ':'.  */
+      ++asc;
+    }
+
+  return addr;
+}
+
+struct ether_addr *
+ether_aton (const char *asc)
+{
+  static struct ether_addr result;
+
+  return ether_aton_r (asc, &result);
+}