Add BerElementBuffer typedef from HEAD

diff --git a/include/lber_pvt.h b/include/lber_pvt.h
index 7f5a141e1fbcdb23a3656a896b7462cd12604b37..564978ed0b74f8a2f6f104e84378fd05916dc13c 100644 (file)
--- a/include/lber_pvt.h
+++ b/include/lber_pvt.h
@@ -21,6 +21,22 @@
 
 LDAP_BEGIN_DECL
 
+/* for allocating aligned buffers (on the stack) */
+#define LBER_ALIGNED_BUFFER(uname,size) \
+       union uname { \
+               char buffer[size]; \
+               /* force alignment */ \
+               int ialign; \
+               long lalign; \
+               float falign; \
+               double dalign; \
+               char* palign; \
+       }
+
+#define LBER_ELEMENT_SIZEOF (256) /* must be >= sizeof(BerElement) */
+typedef LBER_ALIGNED_BUFFER(lber_berelement_u,LBER_ELEMENT_SIZEOF)
+       BerElementBuffer;
+
 typedef struct sockbuf_buf {
        ber_len_t               buf_size;
        ber_len_t               buf_ptr;