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Diffstat (limited to 'vppinfra/vppinfra/vec.h')
| -rw-r--r-- | vppinfra/vppinfra/vec.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/vppinfra/vppinfra/vec.h b/vppinfra/vppinfra/vec.h index 353a06b0..eed96d6b 100644 --- a/vppinfra/vppinfra/vec.h +++ b/vppinfra/vppinfra/vec.h @@ -892,6 +892,26 @@ do { \ (_v(cmp) < 0 ? -1 : (_v(cmp) > 0 ? +1 : 0)); \ }) +/** \brief Search a vector for the index of the entry that matches. + + @param v1 Pointer to a vector + @param v2 Entry to match + @return index of match or ~0 +*/ +#define vec_search(v,E) \ +({ \ + word _v(i) = 0; \ + while (_v(i) < vec_len(v)) \ + { \ + if (v[_v(i)] == E) \ + break; \ + _v(i)++; \ + } \ + if (_v(i) == vec_len(v)) \ + _v(i) = ~0; \ + _v(i); \ +}) + /** \brief Sort a vector using the supplied element comparison function @param vec vector to sort |