NetLib: Move functions in netlib.c to separate files; improve some naming

2025-10-20 04:26:04 +08:00 · 2016-02-08 16:09:24 -06:00
parent b8c8bea22c
commit 1482732f18
6 changed files with 124 additions and 73 deletions
--- a/netutils/netlib/netlib_ipv4addrconv.c
+++ b/netutils/netlib/netlib_ipv4addrconv.c
@@ -0,0 +1,96 @@
+/****************************************************************************
+ * netutils/netlib/netlib_ipv4addrconv.c
+ *
+ *   Copyright (C) 2007, 2009, 2011, 2016 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * Based on uIP which also has a BSD style license:
+ *
+ *   Author: Adam Dunkels <adam@sics.se>
+ *   Copyright (c) 2004, Adam Dunkels and the Swedish Institute of
+ *   Computer Science.
+ *   All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote
+ *    products derived from this software without specific prior
+ *    written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <stdint.h>
+#include <stdbool.h>
+
+#include <apps/netutils/netlib.h>
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: netlib_ipv4addrconv
+ ****************************************************************************/
+
+bool netlib_ipv4addrconv(FAR const char *addrstr, FAR uint8_t *ipaddr)
+{
+  unsigned char tmp;
+  unsigned char i;
+  unsigned char j;
+  char ch;
+
+  tmp = 0;
+
+  for (i = 0; i < 4; ++i)
+    {
+      j = 0;
+      do
+        {
+          ch = *addrstr++;
+          if (++j > 4)
+           {
+             return false;
+           }
+
+          if (ch == '.' || ch == 0)
+            {
+              *ipaddr++ = tmp;
+              tmp = 0;
+            }
+          else if (ch >= '0' && ch <= '9')
+            {
+              tmp = (tmp * 10) + (ch - '0');
+            }
+          else
+            {
+              return false;
+            }
+        }
+      while (ch != '.' && ch != 0);
+    }
+
+  return true;
+}