From 4abab5ad6c8465a7528ccdd5f49367da05f78bbd Mon Sep 17 00:00:00 2001 From: Vladimir Azarov Date: Tue, 1 Oct 2024 15:47:05 +0200 Subject: Initial version --- src/network/inet_legacy.c | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 src/network/inet_legacy.c (limited to 'src/network/inet_legacy.c') diff --git a/src/network/inet_legacy.c b/src/network/inet_legacy.c new file mode 100644 index 0000000..621b47b --- /dev/null +++ b/src/network/inet_legacy.c @@ -0,0 +1,32 @@ +#include +#include +#include + +in_addr_t inet_network(const char *p) +{ + return ntohl(inet_addr(p)); +} + +struct in_addr inet_makeaddr(in_addr_t n, in_addr_t h) +{ + if (n < 256) h |= n<<24; + else if (n < 65536) h |= n<<16; + else h |= n<<8; + return (struct in_addr){ h }; +} + +in_addr_t inet_lnaof(struct in_addr in) +{ + uint32_t h = in.s_addr; + if (h>>24 < 128) return h & 0xffffff; + if (h>>24 < 192) return h & 0xffff; + return h & 0xff; +} + +in_addr_t inet_netof(struct in_addr in) +{ + uint32_t h = in.s_addr; + if (h>>24 < 128) return h >> 24; + if (h>>24 < 192) return h >> 16; + return h >> 8; +} -- cgit v1.2.3