diff options
Diffstat (limited to 'src/network/inet_legacy.c')
-rw-r--r-- | src/network/inet_legacy.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/src/network/inet_legacy.c b/src/network/inet_legacy.c new file mode 100644 index 00000000..e802557b --- /dev/null +++ b/src/network/inet_legacy.c @@ -0,0 +1,55 @@ +#include <sys/socket.h> +#include <netinet/in.h> +#include <arpa/inet.h> +#include <stdio.h> +#include "__dns.h" + +in_addr_t inet_addr(const char *p) +{ + struct sockaddr_in sin; + if (__ipparse(&sin, AF_INET, p)) return -1; + return sin.sin_addr.s_addr; +} + +in_addr_t inet_network(const char *p) +{ + return ntohl(inet_addr(p)); +} + +int inet_aton(const char *cp, struct in_addr *inp) +{ + return inet_pton(AF_INET, cp, (void *)inp) > 0; +} + +char *inet_ntoa(struct in_addr in) +{ + static char buf[16]; + unsigned char *a = (void *)∈ + snprintf(buf, sizeof buf, "%d.%d.%d.%d", a[0], a[1], a[2], a[3]); + return buf; +} + +struct in_addr inet_makeaddr(int net, int host) +{ + uint32_t n = net, h = host; + 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; +} |