diff options
Diffstat (limited to 'src/vppinfra/vec.h')
| -rw-r--r-- | src/vppinfra/vec.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/vppinfra/vec.h b/src/vppinfra/vec.h index 1fcb5f1a374..e8146af7098 100644 --- a/src/vppinfra/vec.h +++ b/src/vppinfra/vec.h @@ -209,6 +209,21 @@ _vec_resize_will_expand (void *v, return 1; } +/** \brief Determine if vector will resize with next allocation + + @param V pointer to a vector + @param N number of elements to add + @return 1 if vector will resize 0 otherwise +*/ + +#define vec_resize_will_expand(V, N) \ + ({ \ + word _v (n) = (N); \ + word _v (l) = vec_len (V); \ + _vec_resize_will_expand ((V), _v (n), \ + (_v (l) + _v (n)) * sizeof ((V)[0]), 0, 0); \ + }) + /** \brief Predicate function, says whether the supplied vector is a clib heap object (general version). |