Add additional BER_BV macros

include/lber_pvt.h

@@ -165,9 +165,20 @@ ber_bvarray_add_x LDAP_P(( BerVarray *p, BerValue *bv, void *ctx ));
 #define ber_bvchr(bv,c) \
 	memchr( (bv)->bv_val, (c), (bv)->bv_len )
 
-#define BER_BVC(x)	{ sizeof( (x) ) - 1, (x) }
+#define BER_BVC(x)	{ sizeof(x) - 1, (x) }
 #define BER_BVNULL	{ 0L, NULL }
 
+#define BER_BVZERO(bv)	do { \
+		(bv)->bv_len = 0; \
+		(bv)->bv_val = NULL; \
+	} while (0)
+#define BER_BVSTR(bv,s)	do { \
+		(bv)->bv_len = sizeof(s)-1; \
+		(bv)->bv_val = (s); \
+	} while (0)
+#define BER_BVISNULL(bv) ((bv)->bv_val == NULL)
+#define BER_BVISEMPTY(bv) ((bv)->bv_len == 0)
+
 LDAP_END_DECL
 
 #endif