Add some definitions to sys/socket.h that can be used to check the validity of parame...

diff --git a/include/sys/socket.h b/include/sys/socket.h
index 5d57dd6db4d6637b70177b0e5f38ebe7612114f6..32f3b23fd9407db072b40ce36ed83c4afdca3c44 100644 (file)
--- a/include/sys/socket.h
+++ b/include/sys/socket.h
@@ -5,20 +5,31 @@
 
 typedef size_t socklen_t;
 
-#define PF_UNIX        0
+#define PF_UNSPEC      0
+#define PF_UNIX        1
 #define PF_LOCAL       PF_UNIX
-#define PF_INET        1
-#define PF_INET6       2
+#define PF_INET        2
+#define PF_INET6       3
+#define PF_MAX         4
 
+#define PF_VALID(_n)   ((_n) >= PF_UNSPEC && (_n) < PF_MAX)
+
+#define AF_UNSPEC      PF_UNSPEC
 #define AF_UNIX        PF_UNIX
 #define AF_LOCAL       AF_UNIX
 #define AF_INET        PF_INET
 #define AF_INET6       PF_INET6
+#define AF_MAX         PF_MAX
+
+#define AF_VALID(_n)   ((_n) >= AF_UNSPEC && (_n) < AF_MAX)
 
 #define SOCK_RAW       0
 #define SOCK_DGRAM     1
 #define SOCK_STREAM    2
 #define SOCK_SEQPACKET 3
+#define SOCK_MAX       4
+
+#define SOCK_VALID(_n) ((_n) >= SOCK_RAW && (_n) < SOCK_MAX)
 
 struct sockaddr {
        u16_t so_family;