trying to port statvfs call to BSD

[oweals/gnunet.git] / src / util / network.c

diff --git a/src/util/network.c b/src/util/network.c
index a054709d9959d5693b7e7079e7a5d8eb5ada6582..101e794d07c892827182455620e7d30dec5f2b88 100644 (file)
--- a/src/util/network.c
+++ b/src/util/network.c
@@ -40,9 +40,11 @@ struct GNUNET_NETWORK_Handle
 {
 #ifndef MINGW
   int fd;
+
 #else
   SOCKET fd;
 #endif
+
 };
 
 
@@ -132,11 +134,16 @@ static int
 socket_set_inheritable (const struct GNUNET_NETWORK_Handle *h)
 {
   int i;
-  i = fcntl (h->fd, F_GETFD);
+
+  i = fcntl (h->fd, F_GETFD);  
+  if (i < 0)
+    return GNUNET_SYSERR;
   if (i == (i | FD_CLOEXEC))
     return GNUNET_OK;
-  return (fcntl (h->fd, F_SETFD, i | FD_CLOEXEC) == 0)
-    ? GNUNET_OK : GNUNET_SYSERR;
+  i |= FD_CLOEXEC;
+  if (fcntl (h->fd, F_SETFD, i) < 0)
+    return GNUNET_SYSERR;
+  return GNUNET_OK;
 }
 #endif
 
@@ -189,6 +196,7 @@ GNUNET_NETWORK_socket_accept (const struct GNUNET_NETWORK_Handle *desc,
                               socklen_t * address_len)
 {
   struct GNUNET_NETWORK_Handle *ret;
+
   ret = GNUNET_malloc (sizeof (struct GNUNET_NETWORK_Handle));
   ret->fd = accept (desc->fd, address, address_len);
   if (ret->fd == INVALID_SOCKET)
@@ -252,6 +260,17 @@ GNUNET_NETWORK_socket_bind (struct GNUNET_NETWORK_Handle *desc,
 #ifdef MINGW
   if (SOCKET_ERROR == ret)
     SetErrnoFromWinsockError (WSAGetLastError ());
+#else
+#ifndef LINUX
+  if ( (ret == 0) && (address->sa_family == AF_UNIX))
+    {
+      const struct sockaddr_un *un = (const struct sockaddr_un*) address;
+      if (0 != unlink (un->sun_path))
+       GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING,
+                                 "unlink",
+                                 un->sun_path);
+    }
+#endif
 #endif
   return ret == 0 ? GNUNET_OK : GNUNET_SYSERR;
 }
@@ -278,6 +297,29 @@ GNUNET_NETWORK_socket_close (struct GNUNET_NETWORK_Handle *desc)
 }
 
 
+/**
+ * Box a native socket (and check that it is a socket).
+ *
+ * @param fd socket to box
+ * @return NULL on error (including not supported on target platform)
+ */
+struct GNUNET_NETWORK_Handle *
+GNUNET_NETWORK_socket_box_native (int fd)
+{
+#if MINGW
+  return NULL;
+#else
+  struct GNUNET_NETWORK_Handle *ret;
+
+  if (fcntl (fd, F_GETFD) < 0)
+    return NULL; /* invalid FD */
+  ret = GNUNET_malloc (sizeof (struct GNUNET_NETWORK_Handle)); 
+  ret->fd = fd;
+  return ret;
+#endif
+}
+
+
 /**
  * Connect a socket
  * @param desc socket
@@ -742,6 +784,23 @@ void GNUNET_NETWORK_fdset_set_native (struct GNUNET_NETWORK_FDSet *to,
 }
 
 
+/**
+ * Test native fd in a set
+ *
+ * @param to set to test, NULL for empty set
+ * @param nfd native FD to test, or -1 for none
+ * @return GNUNET_YES if FD is set in the set
+ */
+int 
+GNUNET_NETWORK_fdset_test_native (const struct GNUNET_NETWORK_FDSet *to,
+                                 int nfd)
+{
+  if ( (nfd == -1) || (to == NULL) )
+    return GNUNET_NO;
+  return FD_ISSET (nfd, &to->sds) ? GNUNET_YES : GNUNET_NO;
+}
+
+
 /**
  * Add a file handle to the fd set
  * @param fds fd set
@@ -1117,19 +1176,15 @@ GNUNET_NETWORK_socket_select (struct GNUNET_NETWORK_FDSet *rfds,
   while (retcode == 0 && (ms_total == INFINITE || GetTickCount () < limit));
 
   if (retcode != -1)
-
     {
       if (rfds)
-
         {
           GNUNET_NETWORK_fdset_zero (rfds);
           GNUNET_NETWORK_fdset_copy_native (rfds, &aread, retcode);
           GNUNET_CONTAINER_slist_clear (rfds->handles);
           GNUNET_CONTAINER_slist_append (rfds->handles, handles_read);
-
         }
       if (wfds)
-
         {
           GNUNET_NETWORK_fdset_zero (wfds);
           GNUNET_NETWORK_fdset_copy_native (wfds, &awrite, retcode);
@@ -1137,7 +1192,6 @@ GNUNET_NETWORK_socket_select (struct GNUNET_NETWORK_FDSet *rfds,
           GNUNET_CONTAINER_slist_append (wfds->handles, handles_write);
         }
       if (efds)
-
         {
           GNUNET_NETWORK_fdset_zero (efds);
           GNUNET_NETWORK_fdset_copy_native (efds, &aexcept, retcode);