1 files changed, 31 insertions, 0 deletions

diff --git a/firmware/common/atoi.c b/firmware/common/atoi.c
new file mode 100644
index 0000000000..4911d93e92
--- /dev/null
+++ b/firmware/common/atoi.c
@@ -0,0 +1,31 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2002 by Gary Czvitkovicz
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#include "string.h"
+
+int atoi (const char *str)
+{
+    int val = 0, mlt = 1;
+    char *p;
+    p = (char *) (str + strlen(str) - 1);
+    for (; p >= str; --p, mlt *=10)
+        val += (mlt * ((int)*p - '0'));
+    return val;
+}
+