x86[_64] assembly pack: add optimized AES-NI OCB subroutines.

[openssl.git] / include / openssl / buffer.h

diff --git a/include/openssl/buffer.h b/include/openssl/buffer.h
index 672c06b3958be0fab598f1a6b9312429994092ea..f22ed09713484a9b17e07458848b1e3cc5f83384 100644 (file)
--- a/include/openssl/buffer.h
+++ b/include/openssl/buffer.h
@@ -78,15 +78,25 @@ struct buf_mem_st {
     size_t length;              /* current number of bytes */
     char *data;
     size_t max;                 /* size of buffer */
+    unsigned long flags;
 };
 
+# define BUF_MEM_FLAG_SECURE  0x01
+
 BUF_MEM *BUF_MEM_new(void);
+BUF_MEM *BUF_MEM_new_ex(unsigned long flags);
 void BUF_MEM_free(BUF_MEM *a);
 size_t BUF_MEM_grow(BUF_MEM *str, size_t len);
 size_t BUF_MEM_grow_clean(BUF_MEM *str, size_t len);
 size_t BUF_strnlen(const char *str, size_t maxlen);
 char *BUF_strdup(const char *str);
+
+/*
+ * Like strndup, but in addition, explicitly guarantees to never read past the
+ * first |siz| bytes of |str|.
+ */
 char *BUF_strndup(const char *str, size_t siz);
+
 void *BUF_memdup(const void *data, size_t siz);
 void BUF_reverse(unsigned char *out, unsigned char *in, size_t siz);