diff options
| -rw-r--r-- | src/socket.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/socket.cpp b/src/socket.cpp index c3f0a8d7a..0ad39701f 100644 --- a/src/socket.cpp +++ b/src/socket.cpp @@ -28,7 +28,11 @@ extern InspIRCd* ServerInstance; extern ServerConfig* Config; extern time_t TIME; -/* Used when comparing CIDR masks for the modulus bits left over */ +/* Used when comparing CIDR masks for the modulus bits left over. + * A lot of ircd's seem to do this: + * ((-1) << (8 - (mask % 8))) + * But imho, it sucks in comparison to a nice neat lookup table. + */ const char inverted_bits[8] = { 0x00, /* 00000000 - 0 bits - never actually used */ 0x80, /* 10000000 - 1 bits */ 0xC0, /* 11000000 - 2 bits */ |