Compile even if SCM_RIGHTS isn't supported.

--HG--
branch : HEAD

diff --git a/src/lib/fdpass.c b/src/lib/fdpass.c
index 50420cc2e5c297d08b3127d80243e5c90a33fd57..17d425aaf930dc3d283d73374d394c1c50cdddab 100644 (file)
--- a/src/lib/fdpass.c
+++ b/src/lib/fdpass.c
@@ -57,6 +57,8 @@
        (CMSG_ALIGN(sizeof(struct cmsghdr)) + (len))
 #endif
 
+#ifdef SCM_RIGHTS
+
 ssize_t fd_send(int handle, int send_fd, const void *data, size_t size)
 {
         struct msghdr msg;
@@ -131,7 +133,7 @@ ssize_t fd_read(int handle, void *data, size_t size, int *fd)
           Tru64 - msg_controllen isn't set */
        cmsg = CMSG_FIRSTHDR(&msg);
        if (
-#ifndef __osf__
+#ifndef __osf__ /* Tru64 */
            msg.msg_controllen < CMSG_SPACE(sizeof(int)) ||
 #endif
            cmsg == NULL || cmsg->cmsg_len < CMSG_LEN(sizeof(int)) ||
@@ -141,3 +143,22 @@ ssize_t fd_read(int handle, void *data, size_t size, int *fd)
                *fd = *((int *) CMSG_DATA(cmsg));
        return ret;
 }
+
+#else
+#  ifdef __GNUC__
+#    warning SCM_RIGHTS not supported, privilege separation not possible
+#  endif
+ssize_t fd_send(int handle __attr_unused__, int send_fd __attr_unused__,
+               const void *data __attr_unused__, size_t size __attr_unused__)
+{
+       errno = EINVAL;
+       return -1;
+}
+
+ssize_t fd_read(int handle __attr_unused__, void *data __attr_unused__,
+               size_t size __attr_unused__, int *fd __attr_unused__)
+{
+       errno = EINVAL;
+       return -1;
+}
+#endif