diff options
Diffstat (limited to 'isys')
| -rw-r--r-- | isys/dns.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/isys/dns.c b/isys/dns.c index 776441d8d..e67c4186f 100644 --- a/isys/dns.c +++ b/isys/dns.c @@ -121,7 +121,8 @@ int mygethostbyname(char * name, struct in_addr * addr) { #else #include <netdb.h> - +#include <sys/socket.h> +#include <string.h> int mygethostbyname(char * host, struct in_addr * address) { struct hostent * hostinfo; @@ -133,11 +134,15 @@ int mygethostbyname(char * host, struct in_addr * address) { return 0; } -char * mygethostbyaddr(char * ipnum) { +char * mygethostbyaddr(const char * ipnum) { struct hostent * he; + struct in_addr * addr; - he = gethostbyaddr( ipnum, strlen(ipnum), AF_INET); - if (he) + if (!inet_aton(ipnum, addr)) + return NULL; + + he = gethostbyaddr(addr, sizeof(struct in_addr), AF_INET); + if (he) return he->h_name; else return NULL; |