diff options
| -rw-r--r-- | src/vppinfra/bitmap.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/vppinfra/bitmap.h b/src/vppinfra/bitmap.h index 92205bfc8e8..af651ef0b7e 100644 --- a/src/vppinfra/bitmap.h +++ b/src/vppinfra/bitmap.h @@ -115,6 +115,24 @@ clib_bitmap_is_equal (uword * a, uword * b) #define clib_bitmap_validate(v,n_bits) \ clib_bitmap_vec_validate ((v), ((n_bits) - 1) / BITS (uword)) +/** Copy a bitmap + @param dst - copy to + @param src - copy from +*/ +static_always_inline void +clib_bitmap_copy (clib_bitmap_t **dst, const clib_bitmap_t *src) +{ + if (vec_len (src)) + { + clib_bitmap_vec_validate (*dst, vec_len (src) - 1); + vec_copy (*dst, src); + } + else + { + vec_reset_length (*dst); + } +} + /* low-level routine to remove trailing zeros from a bitmap */ always_inline uword * _clib_bitmap_remove_trailing_zeros (uword * a) |