Remove superfluous NULL checks. Add Andy's BN_FLG comment.
[openssl.git] / crypto / rc5 / rc5_locl.h
index ee757e647765a225d09756e026d3f26284b4b5c9..41130fe33be47ca81746f102021248b0a551a4fd 100644 (file)
@@ -1,59 +1,10 @@
-/* crypto/rc5/rc5_locl.h */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
+/*
+ * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
  *
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- *
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to.  The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *    "This product includes cryptographic software written by
- *     Eric Young (eay@cryptsoft.com)"
- *    The word 'cryptographic' can be left out if the rouines from the library
- *    being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
- *    the apps directory (application code) you must include an acknowledgement:
- *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed.  i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.]
+ * Licensed under the OpenSSL license (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
  */
 
 #include <stdlib.h>
                         l1=l2=0; \
                         switch (n) { \
                         case 8: l2 =((unsigned long)(*(--(c))))<<24L; \
+                        /* fall thru */                               \
                         case 7: l2|=((unsigned long)(*(--(c))))<<16L; \
+                        /* fall thru */                               \
                         case 6: l2|=((unsigned long)(*(--(c))))<< 8L; \
-                        case 5: l2|=((unsigned long)(*(--(c))));     \
+                        /* fall thru */                               \
+                        case 5: l2|=((unsigned long)(*(--(c))));      \
+                        /* fall thru */                               \
                         case 4: l1 =((unsigned long)(*(--(c))))<<24L; \
+                        /* fall thru */                               \
                         case 3: l1|=((unsigned long)(*(--(c))))<<16L; \
+                        /* fall thru */                               \
                         case 2: l1|=((unsigned long)(*(--(c))))<< 8L; \
-                        case 1: l1|=((unsigned long)(*(--(c))));     \
+                        /* fall thru */                               \
+                        case 1: l1|=((unsigned long)(*(--(c))));      \
                                 } \
                         }
 
                         c+=n; \
                         switch (n) { \
                         case 8: *(--(c))=(unsigned char)(((l2)>>24L)&0xff); \
+                        /* fall thru */                                     \
                         case 7: *(--(c))=(unsigned char)(((l2)>>16L)&0xff); \
+                        /* fall thru */                                     \
                         case 6: *(--(c))=(unsigned char)(((l2)>> 8L)&0xff); \
+                        /* fall thru */                                     \
                         case 5: *(--(c))=(unsigned char)(((l2)     )&0xff); \
+                        /* fall thru */                                     \
                         case 4: *(--(c))=(unsigned char)(((l1)>>24L)&0xff); \
+                        /* fall thru */                                     \
                         case 3: *(--(c))=(unsigned char)(((l1)>>16L)&0xff); \
+                        /* fall thru */                                     \
                         case 2: *(--(c))=(unsigned char)(((l1)>> 8L)&0xff); \
+                        /* fall thru */                                     \
                         case 1: *(--(c))=(unsigned char)(((l1)     )&0xff); \
                                 } \
                         }
                         l1=l2=0; \
                         switch (n) { \
                         case 8: l2 =((unsigned long)(*(--(c))))    ; \
+                        /* fall thru */                              \
                         case 7: l2|=((unsigned long)(*(--(c))))<< 8; \
+                        /* fall thru */                              \
                         case 6: l2|=((unsigned long)(*(--(c))))<<16; \
+                        /* fall thru */                              \
                         case 5: l2|=((unsigned long)(*(--(c))))<<24; \
+                        /* fall thru */                              \
                         case 4: l1 =((unsigned long)(*(--(c))))    ; \
+                        /* fall thru */                              \
                         case 3: l1|=((unsigned long)(*(--(c))))<< 8; \
+                        /* fall thru */                              \
                         case 2: l1|=((unsigned long)(*(--(c))))<<16; \
+                        /* fall thru */                              \
                         case 1: l1|=((unsigned long)(*(--(c))))<<24; \
                                 } \
                         }
                         c+=n; \
                         switch (n) { \
                         case 8: *(--(c))=(unsigned char)(((l2)    )&0xff); \
+                        /* fall thru */                                    \
                         case 7: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \
+                        /* fall thru */                                    \
                         case 6: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \
+                        /* fall thru */                                    \
                         case 5: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \
+                        /* fall thru */                                    \
                         case 4: *(--(c))=(unsigned char)(((l1)    )&0xff); \
+                        /* fall thru */                                    \
                         case 3: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \
+                        /* fall thru */                                    \
                         case 2: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \
+                        /* fall thru */                                    \
                         case 1: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \
                                 } \
                         }
 # endif
 #endif
 #ifndef ROTATE_l32
-# define ROTATE_l32(a,n)     (((a)<<(n&0x1f))|(((a)&0xffffffff)>>(32-(n&0x1f))))
+# define ROTATE_l32(a,n)     (((a)<<(n&0x1f))|(((a)&0xffffffff)>>((32-n)&0x1f)))
 #endif
 #ifndef ROTATE_r32
-# define ROTATE_r32(a,n)     (((a)<<(32-(n&0x1f)))|(((a)&0xffffffff)>>(n&0x1f)))
+# define ROTATE_r32(a,n)     (((a)<<((32-n)&0x1f))|(((a)&0xffffffff)>>(n&0x1f)))
 #endif
 
 #define RC5_32_MASK     0xffffffffL