1 files changed, 15 insertions, 2 deletions

diff --git a/src/lib/libcrypto/buffer/buffer.h b/src/lib/libcrypto/buffer/buffer.h
index 465dc34f3f..1db9607450 100644
--- a/src/lib/libcrypto/buffer/buffer.h
+++ b/src/lib/libcrypto/buffer/buffer.h
@@ -59,25 +59,35 @@
 #ifndef HEADER_BUFFER_H
 #define HEADER_BUFFER_H
 
+#include <openssl/ossl_typ.h>
+
 #ifdef  __cplusplus
 extern "C" {
 #endif
 
 #include <stddef.h>
+
+#if !defined(NO_SYS_TYPES_H)
 #include <sys/types.h>
+#endif
+
+/* Already declared in ossl_typ.h */
+/* typedef struct buf_mem_st BUF_MEM; */
 
-typedef struct buf_mem_st
+struct buf_mem_st
         {
         int length;     /* current number of bytes */
         char *data;
         int max;        /* size of buffer */
-        } BUF_MEM;
+        };
 
 BUF_MEM *BUF_MEM_new(void);
 void    BUF_MEM_free(BUF_MEM *a);
 int     BUF_MEM_grow(BUF_MEM *str, int len);
 int     BUF_MEM_grow_clean(BUF_MEM *str, int len);
 char *  BUF_strdup(const char *str);
+char *  BUF_strndup(const char *str, size_t siz);
+void *  BUF_memdup(const void *data, size_t siz);
 
 /* safe string functions */
 size_t BUF_strlcpy(char *dst,const char *src,size_t siz);
@@ -93,9 +103,12 @@ void ERR_load_BUF_strings(void);
 /* Error codes for the BUF functions. */
 
 /* Function codes. */
+#define BUF_F_BUF_MEMDUP                                 103
 #define BUF_F_BUF_MEM_GROW                               100
+#define BUF_F_BUF_MEM_GROW_CLEAN                         105
 #define BUF_F_BUF_MEM_NEW                                101
 #define BUF_F_BUF_STRDUP                                 102
+#define BUF_F_BUF_STRNDUP                                104
 
 /* Reason codes. */