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changeset 2879:b9de4fb7b460

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(rol): Define (from GnuPG).
author Jim Meyering <jim@meyering.net>
date Mon, 25 Sep 2000 00:00:58 +0000
parents 53969d50efee
children 2a7e5d634dca
files lib/md5.h
diffstat 1 files changed, 15 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- a/lib/md5.h
+++ b/lib/md5.h
@@ -143,4 +143,19 @@
    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