diff options
Diffstat (limited to 'AK')
| -rw-r--r-- | AK/IPv4Address.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/AK/IPv4Address.h b/AK/IPv4Address.h index 8f72f8d3a0..d52996a9c9 100644 --- a/AK/IPv4Address.h +++ b/AK/IPv4Address.h @@ -119,6 +119,13 @@ public: return IPv4Address(a, b, c, d); } + static constexpr IPv4Address netmask_from_cidr(int cidr) + { + VERIFY(cidr >= 0 && cidr <= 32); + u32 value = 0xffffffffull << (32 - cidr); + return IPv4Address((value & 0xff000000) >> 24, (value & 0xff0000) >> 16, (value & 0xff00) >> 8, (value & 0xff)); + } + constexpr in_addr_t to_in_addr_t() const { return m_data; } constexpr u32 to_u32() const { return m_data; } |