1 files changed, 9 insertions, 2 deletions

diff --git a/src/lib/libcrypto/crypto.h b/src/lib/libcrypto/crypto.h
index 6aeda0a9ac..f92fc5182d 100644
--- a/src/lib/libcrypto/crypto.h
+++ b/src/lib/libcrypto/crypto.h
@@ -488,10 +488,10 @@ void CRYPTO_get_mem_debug_functions(void (**m)(void *,int,const char *,int,int),
                                     long (**go)(void));
 
 void *CRYPTO_malloc_locked(int num, const char *file, int line);
-void CRYPTO_free_locked(void *);
+void CRYPTO_free_locked(void *ptr);
 void *CRYPTO_malloc(int num, const char *file, int line);
 char *CRYPTO_strdup(const char *str, const char *file, int line);
-void CRYPTO_free(void *);
+void CRYPTO_free(void *ptr);
 void *CRYPTO_realloc(void *addr,int num, const char *file, int line);
 void *CRYPTO_realloc_clean(void *addr,int old_num,int num,const char *file,
                            int line);
@@ -574,6 +574,13 @@ void OPENSSL_init(void);
 #define fips_cipher_abort(alg) while(0)
 #endif
 
+/* CRYPTO_memcmp returns zero iff the |len| bytes at |a| and |b| are equal. It
+ * takes an amount of time dependent on |len|, but independent of the contents
+ * of |a| and |b|. Unlike memcmp, it cannot be used to put elements into a
+ * defined order as the return value when a != b is undefined, other than to be
+ * non-zero. */
+int CRYPTO_memcmp(const void *a, const void *b, size_t len);
+
 /* BEGIN ERROR CODES */
 /* The following lines are auto generated by the script mkerr.pl. Any changes
  * made after this point may be overwritten when the script is next run.