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-rw-r--r--src/vppinfra/vec_bootstrap.h20
1 files changed, 11 insertions, 9 deletions
diff --git a/src/vppinfra/vec_bootstrap.h b/src/vppinfra/vec_bootstrap.h
index d6451f3d172..0054802e8c1 100644
--- a/src/vppinfra/vec_bootstrap.h
+++ b/src/vppinfra/vec_bootstrap.h
@@ -116,21 +116,21 @@ vec_header_end (void *v)
return v + vec_get_header_size (v);
}
-/** \brief Number of elements in vector (lvalue-capable)
-
- _vec_len (v) does not check for null, but can be used as an lvalue
- (e.g. _vec_len (v) = 99).
-*/
-
-#define _vec_len(v) (_vec_find(v)->len)
-
/** \brief Number of elements in vector (rvalue-only, NULL tolerant)
vec_len (v) checks for NULL, but cannot be used as an lvalue.
If in doubt, use vec_len...
*/
+static_always_inline u32
+__vec_len (void *v)
+{
+ return _vec_find (v)->len;
+}
+
+#define _vec_len(v) __vec_len ((void *) (v))
#define vec_len(v) ((v) ? _vec_len(v) : 0)
+
u32 vec_len_not_inline (void *v);
/** \brief Number of data bytes in vector. */
@@ -180,10 +180,12 @@ _vec_set_len (void *v, uword len, uword elt_sz)
else if (len > old_len)
CLIB_MEM_POISON (v + len * elt_sz, (old_len - len) * elt_sz);
- _vec_len (v) = len;
+ _vec_find (v)->len = len;
}
#define vec_set_len(v, l) _vec_set_len ((void *) v, l, _vec_elt_sz (v))
+#define vec_inc_len(v, l) vec_set_len (v, _vec_len (v) + (l))
+#define vec_dec_len(v, l) vec_set_len (v, _vec_len (v) - (l))
/** \brief Reset vector length to zero
NULL-pointer tolerant