Merge commit '039ae97'

[gnulib.git] / lib / sha512.h

diff --git a/lib/sha512.h b/lib/sha512.h
index 84fe559..11ac270 100644 (file)
--- a/lib/sha512.h
+++ b/lib/sha512.h
@@ -1,6 +1,6 @@
 /* Declarations of functions and data types used for SHA512 and SHA384 sum
    library functions.
-   Copyright (C) 2005, 2006, 2008 Free Software Foundation, Inc.
+   Copyright (C) 2005, 2006, 2008, 2009 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -22,6 +22,10 @@
 
 # include "u64.h"
 
+# ifdef __cplusplus
+extern "C" {
+# endif
+
 /* Structure to save state of computation between the single steps.  */
 struct sha512_ctx
 {
@@ -32,8 +36,8 @@ struct sha512_ctx
   u64 buffer[32];
 };
 
-enum { SHA384_DIGEST_SIZE = 48 };
-enum { SHA512_DIGEST_SIZE = 64 };
+enum { SHA384_DIGEST_SIZE = 384 / 8 };
+enum { SHA512_DIGEST_SIZE = 512 / 8 };
 
 /* Initialize structure containing state of computation. */
 extern void sha512_init_ctx (struct sha512_ctx *ctx);
@@ -84,4 +88,8 @@ extern int sha384_stream (FILE *stream, void *resblock);
 extern void *sha512_buffer (const char *buffer, size_t len, void *resblock);
 extern void *sha384_buffer (const char *buffer, size_t len, void *resblock);
 
+# ifdef __cplusplus
+}
+# endif
+
 #endif