X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fmd5.h;h=3b7dea1699520d70fc068e0bd414553776bc8c53;hb=607bcdf5ffd953cb80ba60808242284c14090490;hp=15704f20b273b2b1a58afc1b760495780b127622;hpb=d349992d82f97d614404565ff66e3f8a47b4a568;p=gnulib.git

diff --git a/lib/md5.h b/lib/md5.h
index 15704f20b..3b7dea169 100644
--- a/lib/md5.h
+++ b/lib/md5.h
@@ -1,6 +1,6 @@
 /* md5.h - Declaration of functions and data types used for MD5 sum
    computing library functions.
-   Copyright (C) 1995, 1996, 1999, 2000 Free Software Foundation, Inc.
+   Copyright (C) 1995, 1996, 1999 Free Software Foundation, Inc.
    NOTE: The canonical source of this file is maintained with the GNU C
    Library.  Bugs can be reported to bug-glibc@prep.ai.mit.edu.
 
@@ -143,4 +143,19 @@ extern int md5_stream __P ((FILE *stream, void *resblock));
    digest.  */
 extern void *md5_buffer __P ((const char *buffer, size_t len, void *resblock));
 
+/* The following is from gnupg-1.0.2's cipher/bithelp.h.  */
+/* Rotate a 32 bit integer by n bytes */
+#if defined __GNUC__ && defined __i386__
+static inline md5_uint32
+rol(md5_uint32 x, int n)
+{
+  __asm__("roll %%cl,%0"
+	  :"=r" (x)
+	  :"0" (x),"c" (n));
+  return x;
+}
+#else
+# define rol(x,n) ( ((x) << (n)) | ((x) >> (32-(n))) )
+#endif
+
 #endif