[PATCH v4 2/8] ntdll/unix: Add support for AF_UNIX sockets to multiple functions.

[Ally Sommers]

From: Ally Sommers

---
 dlls/ntdll/unix/socket.c | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/dlls/ntdll/unix/socket.c b/dlls/ntdll/unix/socket.c
index 4e706323a0a..2f8733c7592 100644
--- a/dlls/ntdll/unix/socket.c
+++ b/dlls/ntdll/unix/socket.c
@@ -66,6 +66,8 @@
 # define HAS_IRDA
 #endif

+#include <sys/un.h>
+
 #include "ntstatus.h"
 #define WIN32_NO_STATUS
 #include "windef.h"
@@ -77,6 +79,7 @@
 #include "ws2tcpip.h"
 #include "wsipx.h"
 #include "af_irda.h"
+#include "afunix.h"
 #include "wine/afd.h"

#include "unix_private.h"
@@ -105,6 +108,7 @@ union unix_sockaddr
 #ifdef HAS_IRDA
     struct sockaddr_irda irda;
 #endif
+    struct sockaddr_un un;
 };

struct async_recv_ioctl
@@ -289,6 +293,17 @@ static socklen_t sockaddr_to_unix( const struct WS_sockaddr *wsaddr, int wsaddrl
             return sizeof(uaddr->in6);
         }

+    case WS_AF_UNIX:
+    {
+        struct WS_sockaddr_un win = {0};
+
+        if (wsaddrlen < sizeof(win)) return 0;
+        memcpy( &win, wsaddr, sizeof(win) );
+        uaddr->un.sun_family = AF_UNIX;
+        memcpy( uaddr->un.sun_path, win.sun_path, sizeof(win.sun_path) );
+        return sizeof(uaddr->un);
+    }
+
     default:
         FIXME( "unknown address family %u\n", wsaddr->sa_family );
         return 0;
@@ -361,6 +376,17 @@ static int sockaddr_from_unix( const union unix_sockaddr *uaddr, struct WS_socka
     }
 #endif

+    case AF_UNIX:
+    {
+        struct WS_sockaddr_un win = {0};
+
+        if (wsaddrlen < sizeof(win)) return -1;
+        win.sun_family = WS_AF_UNIX;
+        memcpy( win.sun_path, uaddr->un.sun_path, sizeof(win.sun_path) );
+        memcpy( wsaddr, &win, sizeof(win) );
+        return sizeof(win);
+    }
+
     case AF_UNSPEC:
         return 0;