--- rsaref/source/r_encode.c	2018/04/24 16:37:52	1.1
+++ rsaref/source/r_encode.c	2018/04/24 16:38:02	1.1.1.2
@@ -1,13 +1,12 @@
-/* R_ENCODE.H - RFC 1113 encoding and decoding routines
+/* R_ENCODE.C - RFC 1113 encoding and decoding routines
  */
 
-/* Copyright (C) 1991-2 RSA Laboratories, a division of RSA Data
-   Security, Inc. All rights reserved.
+/* Copyright (C) RSA Laboratories, a division of RSA Data Security,
+     Inc., created 1991. All rights reserved.
  */
 
 #include "global.h"
 #include "rsaref.h"
-#include "r_encode.h"
 
 /* RFC 1113 encoding:
 
@@ -58,7 +57,9 @@ static void EncodeLastQuantum
 static int DecodeLastQuantum
   PROTO_LIST ((unsigned char *, unsigned int *, unsigned char [4]));
 
-void R_EncodePEMBlock (encodedBlock, encodedBlockLen, block, blockLen)
+/* This always returns 0.  It is an int function for future compatibility.
+ */
+int R_EncodePEMBlock (encodedBlock, encodedBlockLen, block, blockLen)
 unsigned char *encodedBlock;                               /* encoded block */
 unsigned int *encodedBlockLen;                   /* length of encoded block */
 unsigned char *block;                                              /* block */
@@ -68,7 +69,7 @@ unsigned int blockLen;
   
   if (blockLen < 1) {
     *encodedBlockLen = 0;
-    return;
+    return (0);
   }
   
   for (i = 0; i < (blockLen-1)/3; i++)
@@ -77,6 +78,8 @@ unsigned int blockLen;
   lastLen = blockLen - 3*i;
   EncodeLastQuantum (&encodedBlock[4*i], &block[3*i], lastLen);
   *encodedBlockLen = 4*i + 4;
+
+  return (0);
 }
                     
 int R_DecodePEMBlock (block, blockLen, encodedBlock, encodedBlockLen)