1 files changed, 21 insertions, 1 deletions

diff --git a/defines.h b/defines.h
index e4e413638..a25cae102 100644
--- a/defines.h
+++ b/defines.h
@@ -1,7 +1,7 @@
 #ifndef _DEFINES_H
 #define _DEFINES_H
 
-/* $Id: defines.h,v 1.82 2002/03/22 18:19:54 stevesk Exp $ */
+/* $Id: defines.h,v 1.83 2002/03/22 20:53:32 stevesk Exp $ */
 
 /* Necessary headers */
 
@@ -440,6 +440,26 @@ struct winsize {
 # define howmany(x,y)   (((x)+((y)-1))/(y))
 #endif
 
+#ifndef ALIGNBYTES
+#define ALIGNBYTES      (sizeof(int) - 1)
+#endif
+#ifndef ALIGN
+#define ALIGN(p)        (((u_int)(p) + ALIGNBYTES) &~ ALIGNBYTES)
+#endif
+#ifndef __CMSG_ALIGN
+#define __CMSG_ALIGN(len)       ALIGN(len)
+#endif
+
+/* Length of the contents of a control message of length len */
+#ifndef CMSG_LEN
+#define CMSG_LEN(len)   (__CMSG_ALIGN(sizeof(struct cmsghdr)) + (len))
+#endif
+
+/* Length of the space taken up by a padded control message of length len */
+#ifndef CMSG_SPACE
+#define CMSG_SPACE(len) (__CMSG_ALIGN(sizeof(struct cmsghdr)) + __CMSG_ALIGN(len))
+#endif
+
 /* Function replacement / compatibility hacks */
 
 /* In older versions of libpam, pam_strerror takes a single argument */