* include/ruby/win32.h, win32/win32.c: add rb_w32_inet_ntop.

	  inet_ntop's minimum supported client is Vista.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@30749 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 16 insertions, 0 deletions

diff --git a/win32/win32.c b/win32/win32.c
index 6366d921ed..ef7acce6ca 100644
--- a/win32/win32.c
+++ b/win32/win32.c
@@ -5687,3 +5687,19 @@ signbit(double x)
     return *ip < 0;
 }
 #endif
+
+char * WSAAPI
+rb_w32_inet_ntop(int af, void *addr, char *numaddr, size_t numaddr_len)
+{
+    typedef char *(WSAAPI inet_ntop_t)(int, void *, char *, size_t);
+    inet_ntop_t *pInetNtop;
+    pInetNtop = (inet_ntop_t *)get_proc_address("ws2_32", "inet_ntop", NULL);
+    if(pInetNtop){
+       return pInetNtop(af,addr,numaddr,numaddr_len);
+    }else{
+       struct in_addr in;
+       memcpy(&in.s_addr, addr, sizeof(in.s_addr));
+       snprintf(numaddr, numaddr_len, "%s", inet_ntoa(in));
+    }
+    return numaddr;
+}