d2i: don't update input pointer on failure

[openssl.git] / crypto / rc4 / rc4.h

diff --git a/crypto/rc4/rc4.h b/crypto/rc4/rc4.h
index ea66f1ce8d65e2b6fc6a0fa282418a3fa3740286..39162b1648d864890fb74706ecf1d23174eaa21b 100644 (file)
--- a/crypto/rc4/rc4.h
+++ b/crypto/rc4/rc4.h
@@ -5,21 +5,21 @@
  * 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:
@@ -34,10 +34,10 @@
  *     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 
+ * 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
@@ -49,7 +49,7 @@
  * 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
@@ -57,34 +57,29 @@
  */
 
 #ifndef HEADER_RC4_H
-#define HEADER_RC4_H
+# define HEADER_RC4_H
+
+# include <openssl/opensslconf.h>/* OPENSSL_NO_RC4, RC4_INT */
+# ifdef OPENSSL_NO_RC4
+#  error RC4 is disabled.
+# endif
+
+# include <stddef.h>
 
 #ifdef  __cplusplus
 extern "C" {
 #endif
 
-#include <openssl/opensslconf.h> /* RC4_INT */
-
-typedef struct rc4_key_st
-       {
-       RC4_INT x,y;
-       RC4_INT data[256];
-       } RC4_KEY;
+typedef struct rc4_key_st {
+    RC4_INT x, y;
+    RC4_INT data[256];
+} RC4_KEY;
 
-#ifndef NOPROTO
- 
 const char *RC4_options(void);
-void RC4_set_key(RC4_KEY *key, int len, unsigned char *data);
-void RC4(RC4_KEY *key, unsigned long len, unsigned char *indata,
-               unsigned char *outdata);
-
-#else
-
-const char *RC4_options();
-void RC4_set_key();
-void RC4();
-
-#endif
+void RC4_set_key(RC4_KEY *key, int len, const unsigned char *data);
+void private_RC4_set_key(RC4_KEY *key, int len, const unsigned char *data);
+void RC4(RC4_KEY *key, size_t len, const unsigned char *indata,
+         unsigned char *outdata);
 
 #ifdef  __cplusplus
 }