1 files changed, 143 insertions, 0 deletions
diff --git a/slirp-android/helper.h b/slirp-android/helper.h
new file mode 100644
index 0000000..afccb54
--- /dev/null
+++ b/slirp-android/helper.h
@@ -0,0 +1,143 @@
+/*
+ * Copyright (c) 2009 The Android Open Source Project
+ *
+ * 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. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
+ */
+#ifndef _SLIRP_HELPER_H
+#define _SLIRP_HELPER_H
+
+#ifdef _WIN32
+#  include <winsock2.h>  /* for ntohl */
+#endif
+
+typedef union {
+    u_int32_t   addr;
+    u_int8_t    data[4];
+} ipaddr_t;
+
+/* return ip address in network order */
+static __inline__ uint32_t
+ip_getn( ipaddr_t  ip )
+{
+    return ip.addr;
+}
+
+/* return ip address in host order */
+static __inline__ uint32_t
+ip_geth( ipaddr_t  ip )
+{
+    return ntohl(ip.addr);
+}
+
+/* set ip address in network order */
+static __inline__ ipaddr_t
+ip_setn( uint32_t  val )
+{
+    ipaddr_t  ip;
+    ip.addr = val;
+    return ip;
+}
+
+/* set ip address in host order */
+static __inline__ ipaddr_t
+ip_seth( uint32_t  val )
+{
+    ipaddr_t  ip;
+    ip.addr = htonl(val);
+    return ip;
+}
+
+static __inline__ ipaddr_t
+ip_read( const void*  buf )
+{
+    ipaddr_t  ip;
+    memcpy(ip.data, buf, 4);
+    return ip;
+}
+
+static __inline__ void
+ip_write( ipaddr_t  ip, void*  buf )
+{
+    memcpy(buf, ip.data, 4);
+}
+
+static __inline__ uint32_t
+ip_read32h( const void* buf )
+{
+    ipaddr_t  addr = ip_read(buf);
+    return ip_geth(addr);
+}
+
+static __inline__ void
+ip_write32h( uint32_t  ip, void*  buf )
+{
+    ipaddr_t  addr = ip_seth(ip);
+    ip_write(addr, buf);
+}
+
+static __inline__ int
+ip_equal( ipaddr_t  ip1, ipaddr_t  ip2 )
+{
+    return ip1.addr == ip2.addr;
+}
+
+typedef union {
+    u_int16_t  port;
+    u_int8_t   data[2];
+} port_t;
+
+static __inline__ uint16_t
+port_getn( port_t   p )
+{
+    return p.port;
+}
+
+static __inline__ uint16_t
+port_geth( port_t  p )
+{
+    return ntohs(p.port);
+}
+
+static __inline__ port_t
+port_setn( uint16_t  val )
+{
+    port_t  p;
+    p.port = val;
+    return p;
+}
+
+static __inline__ port_t
+port_seth( uint16_t  val )
+{
+    port_t  p;
+    p.port = htons(val);
+    return p;
+}
+
+#endif /* _SLIRP_HELPER_H */