diff options
Diffstat (limited to 'src/base/addr_range.hh')
| -rw-r--r-- | src/base/addr_range.hh | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/base/addr_range.hh b/src/base/addr_range.hh index 21593355b..f7a3b054f 100644 --- a/src/base/addr_range.hh +++ b/src/base/addr_range.hh @@ -69,6 +69,33 @@ class AddrRange Addr size() const { return end - start + 1; } bool valid() const { return start < end; } + + /** + * Determine if another range intersects this one, i.e. if there + * is an address that is both in this range and the other + * range. No check is made to ensure either range is valid. + * + * @param r Range to intersect with + * @return true if the intersection of the two ranges is not empty + */ + bool intersects(const AddrRange& r) const + { + return (start <= r.start && end >= r.start) || + (start <= r.end && end >= r.end); + } + + /** + * Determine if this range is a subset of another range, i.e. if + * every address in this range is also in the other range. No + * check is made to ensure either range is valid. + * + * @param r Range to compare with + * @return true if the this range is a subset of the other one + */ + bool isSubset(const AddrRange& r) const + { + return start >= r.start && end <= r.end; + } }; /** |