28 #include <ctype.h>

    28 #include <ctype.h>

    29 #include <stdio.h>

    29 #include <stdio.h>

    30 #include <stdlib.h>

    30 #include <stdlib.h>

    31 #include <malloc.h>

    31 #include <malloc.h>

    32 #include <sys/types.h>

    32 #include <sys/types.h>

    33 

    34 

    34 #include "java_net_InetAddress.h"

    35 #include "java_net_InetAddress.h"

    35 #include "java_net_Inet4AddressImpl.h"

    36 #include "java_net_Inet4AddressImpl.h"

    36 #include "net_util.h"

    37 #include "net_util.h"

    37 #include "icmp.h"

    38 #include "icmp.h"

   139     const char *hostname;

   140     const char *hostname;

   140     struct hostent *hp;

   141     struct hostent *hp;

   141     unsigned int addr[4];

   142     unsigned int addr[4];

   142 

   143 

   143     jobjectArray ret = NULL;

   144     jobjectArray ret = NULL;

   145 

   145 

   146     if (!initialized) {

   146     if (!initialized) {

   147       ni_iacls = (*env)->FindClass(env, "java/net/InetAddress");

   147       ni_iacls = (*env)->FindClass(env, "java/net/InetAddress");

   148       ni_iacls = (*env)->NewGlobalRef(env, ni_iacls);

   148       ni_iacls = (*env)->NewGlobalRef(env, ni_iacls);

   149       ni_ia4cls = (*env)->FindClass(env, "java/net/Inet4Address");

   149       ni_ia4cls = (*env)->FindClass(env, "java/net/Inet4Address");

   313     /* Initialize the sequence number to a suitable random number and

   313     /* Initialize the sequence number to a suitable random number and

   314        shift right one place to allow sufficient room for increamenting. */

   314        shift right one place to allow sufficient room for increamenting. */

   315     seq = ((unsigned short)rand()) >> 1;

   315     seq = ((unsigned short)rand()) >> 1;

   316 

   316 

   317     /* icmp_id is a 16 bit data type, therefore down cast the pid */

   317     /* icmp_id is a 16 bit data type, therefore down cast the pid */

   319     size = 60*1024;

   319     size = 60*1024;

   320     setsockopt(fd, SOL_SOCKET, SO_RCVBUF, (const char *) &size, sizeof(size));

   320     setsockopt(fd, SOL_SOCKET, SO_RCVBUF, (const char *) &size, sizeof(size));

   321     /**

   321     /**

   322      * A TTL was specified, let's set the socket option.

   322      * A TTL was specified, let's set the socket option.

   323      */

   323      */