From: Alex Ainscow <aainscow@uk.ibm.com>
Date: Wed, 8 Jan 2025 22:08:23 +0000 (+0000)
Subject: interval_map: contains() to determine if range is entirely contained within range.
X-Git-Tag: v20.0.0~286^2~11
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=8cd072d8e02c2dbaca0d0c8272d5220abdb35f14;p=ceph.git

interval_map: contains() to determine if range is entirely contained within range.

Determine, for a particular interval iterator, whether the specified range is entirely contained inside the interval.

Signed-off-by: Alex Ainscow <aainscow@uk.ibm.com>
---

diff --git a/src/common/interval_map.h b/src/common/interval_map.h
index e57fac539a9d..bbd14693ce08 100644
--- a/src/common/interval_map.h
+++ b/src/common/interval_map.h
@@ -255,6 +255,11 @@ public:
     const_iterator &operator*() {
       return *this;
     }
+    constexpr bool contains(K _off, K _len) const {
+      K off = get_off();
+      K len = get_len();
+      return off <= _off && off + len >= _off + _len;
+    }
   };
   const_iterator begin() const {
     return const_iterator(m.begin());