code: updated enet dependency

isolation_bkp/dynres
Vladyslav Hrytsenko 2022-07-30 20:13:13 +03:00
parent 1713adb0a3
commit 947a6992cc
1 changed files with 200 additions and 61 deletions

261
code/vendors/enet.h vendored
View File

@ -35,14 +35,15 @@
#ifndef ENET_INCLUDE_H
#define ENET_INCLUDE_H
#include <assert.h>
#include <stdlib.h>
#include <stdbool.h>
#include <stdint.h>
#include <time.h>
#define ENET_VERSION_MAJOR 2
#define ENET_VERSION_MINOR 2
#define ENET_VERSION_PATCH 1
#define ENET_VERSION_MINOR 3
#define ENET_VERSION_PATCH 4
#define ENET_VERSION_CREATE(major, minor, patch) (((major)<<16) | ((minor)<<8) | (patch))
#define ENET_VERSION_GET_MAJOR(version) (((version)>>16)&0xFF)
#define ENET_VERSION_GET_MINOR(version) (((version)>>8)&0xFF)
@ -83,9 +84,9 @@
#endif
#ifdef __GNUC__
#if (_WIN32_WINNT < 0x0501)
#if (_WIN32_WINNT < 0x0600)
#undef _WIN32_WINNT
#define _WIN32_WINNT 0x0501
#define _WIN32_WINNT 0x0600
#endif
#endif
@ -192,6 +193,15 @@
#define ENET_SOCKETSET_CHECK(sockset, socket) FD_ISSET(socket, &(sockset))
#endif
#ifdef __GNUC__
#define ENET_DEPRECATED(func) func __attribute__ ((deprecated))
#elif defined(_MSC_VER)
#define ENET_DEPRECATED(func) __declspec(deprecated) func
#else
#pragma message("WARNING: Please ENET_DEPRECATED for this compiler")
#define ENET_DEPRECATED(func) func
#endif
#ifndef ENET_BUFFER_MAXIMUM
#define ENET_BUFFER_MAXIMUM (1 + 2 * ENET_PROTOCOL_MAXIMUM_PACKET_COMMANDS)
#endif
@ -202,6 +212,12 @@
#define ENET_MIN(x, y) ((x) < (y) ? (x) : (y))
#define ENET_IPV6 1
static const struct in6_addr enet_v4_anyaddr = {{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00 }}};
static const struct in6_addr enet_v4_noaddr = {{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }}};
static const struct in6_addr enet_v4_localhost = {{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0x7f, 0x00, 0x00, 0x01 }}};
static const struct in6_addr enet_v6_anyaddr = {{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}};
static const struct in6_addr enet_v6_noaddr = {{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }}};
static const struct in6_addr enet_v6_localhost = {{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}};
#define ENET_HOST_ANY in6addr_any
#define ENET_HOST_BROADCAST 0xFFFFFFFFU
#define ENET_PORT_ANY 0
@ -236,6 +252,7 @@ extern "C" {
extern void *enet_malloc(size_t);
extern void enet_free(void *);
extern ENetPacket* enet_packet_create(const void*,size_t,enet_uint32);
extern ENetPacket* enet_packet_copy(ENetPacket*);
extern void enet_packet_destroy(ENetPacket*);
// =======================================================================//
@ -885,7 +902,7 @@ extern "C" {
@retval < 0 on failure
@returns the address of the given hostName in address on success
*/
ENET_API int enet_address_set_host_ip(ENetAddress * address, const char * hostName);
ENET_API int enet_address_set_host_ip_old(ENetAddress * address, const char * hostName);
/** Attempts to resolve the host named by the parameter hostName and sets
the host field in the address parameter if successful.
@ -895,7 +912,7 @@ extern "C" {
@retval < 0 on failure
@returns the address of the given hostName in address on success
*/
ENET_API int enet_address_set_host(ENetAddress * address, const char * hostName);
ENET_API int enet_address_set_host_old(ENetAddress * address, const char * hostName);
/** Gives the printable form of the IP address specified in the address parameter.
@param address address printed
@ -905,7 +922,7 @@ extern "C" {
@retval 0 on success
@retval < 0 on failure
*/
ENET_API int enet_address_get_host_ip(const ENetAddress * address, char * hostName, size_t nameLength);
ENET_API int enet_address_get_host_ip_old(const ENetAddress * address, char * hostName, size_t nameLength);
/** Attempts to do a reverse lookup of the host field in the address parameter.
@param address address used for reverse lookup
@ -915,7 +932,24 @@ extern "C" {
@retval 0 on success
@retval < 0 on failure
*/
ENET_API int enet_address_get_host(const ENetAddress * address, char * hostName, size_t nameLength);
ENET_API int enet_address_get_host_old(const ENetAddress * address, char * hostName, size_t nameLength);
ENET_API int enet_address_set_host_ip_new(ENetAddress * address, const char * hostName);
ENET_API int enet_address_set_host_new(ENetAddress * address, const char * hostName);
ENET_API int enet_address_get_host_ip_new(const ENetAddress * address, char * hostName, size_t nameLength);
ENET_API int enet_address_get_host_new(const ENetAddress * address, char * hostName, size_t nameLength);
#ifdef ENET_FEATURE_ADDRESS_MAPPING
#define enet_address_set_host_ip enet_address_set_host_ip_new
#define enet_address_set_host enet_address_set_host_new
#define enet_address_get_host_ip enet_address_get_host_ip_new
#define enet_address_get_host enet_address_get_host_new
#else
#define enet_address_set_host_ip enet_address_set_host_ip_old
#define enet_address_set_host enet_address_set_host_old
#define enet_address_get_host_ip enet_address_get_host_ip_old
#define enet_address_get_host enet_address_get_host_old
#endif
ENET_API enet_uint32 enet_host_get_peers_count(ENetHost *);
ENET_API enet_uint32 enet_host_get_packets_sent(ENetHost *);
@ -1197,14 +1231,13 @@ extern "C" {
#endif /* defined(_MSC_VER) */
// =======================================================================//
// !
// ! Callbacks
// !
// =======================================================================//
static ENetCallbacks callbacks = { malloc, free, abort, enet_packet_create, enet_packet_destroy };
ENetCallbacks callbacks = { malloc, free, abort, enet_packet_create, enet_packet_destroy };
int enet_initialize_with_callbacks(ENetVersion version, const ENetCallbacks *inits) {
if (version < ENET_VERSION_CREATE(1, 3, 0)) {
@ -1388,6 +1421,10 @@ extern "C" {
return packet;
}
ENetPacket *enet_packet_copy(ENetPacket *packet) {
return enet_packet_create(packet->data, packet->dataLength, packet->flags);
}
/**
* Destroys the packet and deallocates its data.
* @param packet packet to be destroyed
@ -2181,18 +2218,17 @@ extern "C" {
if (peer->state != ENET_PEER_STATE_CONNECTED && peer->state != ENET_PEER_STATE_DISCONNECT_LATER) {
return -1;
}
if (peer->incomingBandwidth != 0) {
--host->bandwidthLimitedPeers;
}
peer->incomingBandwidth = ENET_NET_TO_HOST_32(command->bandwidthLimit.incomingBandwidth);
peer->outgoingBandwidth = ENET_NET_TO_HOST_32(command->bandwidthLimit.outgoingBandwidth);
if (peer->incomingBandwidth != 0) {
++host->bandwidthLimitedPeers;
}
peer->outgoingBandwidth = ENET_NET_TO_HOST_32(command->bandwidthLimit.outgoingBandwidth);
if (peer->incomingBandwidth == 0 && host->outgoingBandwidth == 0) {
peer->windowSize = ENET_PROTOCOL_MAXIMUM_WINDOW_SIZE;
} else if (peer->incomingBandwidth == 0 || host->outgoingBandwidth == 0) {
@ -2605,7 +2641,8 @@ extern "C" {
goto commandError;
}
if (peer != NULL && (command->header.command & ENET_PROTOCOL_COMMAND_FLAG_ACKNOWLEDGE) != 0) {
assert(peer);
if ((command->header.command & ENET_PROTOCOL_COMMAND_FLAG_ACKNOWLEDGE) != 0) {
enet_uint16 sentTime;
if (!(flags & ENET_PROTOCOL_HEADER_FLAG_SENT_TIME)) {
@ -3097,12 +3134,12 @@ extern "C" {
currentPeer->packetsLost = 0;
}
host->buffers->data = headerData;
host->buffers[0].data = headerData;
if (host->headerFlags & ENET_PROTOCOL_HEADER_FLAG_SENT_TIME) {
header->sentTime = ENET_HOST_TO_NET_16(host->serviceTime & 0xFFFF);
host->buffers->dataLength = sizeof(ENetProtocolHeader);
host->buffers[0].dataLength = sizeof(ENetProtocolHeader);
} else {
host->buffers->dataLength = (size_t) &((ENetProtocolHeader *) 0)->sentTime;
host->buffers[0].dataLength = (size_t) &((ENetProtocolHeader *) 0)->sentTime;
}
shouldCompress = 0;
@ -3123,9 +3160,9 @@ extern "C" {
}
header->peerID = ENET_HOST_TO_NET_16(currentPeer->outgoingPeerID | host->headerFlags);
if (host->checksum != NULL) {
enet_uint32 *checksum = (enet_uint32 *) &headerData[host->buffers->dataLength];
enet_uint32 *checksum = (enet_uint32 *) &headerData[host->buffers[0].dataLength];
*checksum = currentPeer->outgoingPeerID < ENET_PROTOCOL_MAXIMUM_PEER_ID ? currentPeer->connectID : 0;
host->buffers->dataLength += sizeof(enet_uint32);
host->buffers[0].dataLength += sizeof(enet_uint32);
*checksum = host->checksum(host->buffers, host->bufferCount);
}
@ -3140,6 +3177,9 @@ extern "C" {
enet_protocol_remove_sent_unreliable_commands(currentPeer);
if (sentLength < 0) {
// The local 'headerData' array (to which 'data' is assigned) goes out
// of scope on return from this function, so ensure we no longer point to it.
host->buffers[0].data = NULL;
return -1;
}
@ -3148,6 +3188,10 @@ extern "C" {
host->totalSentPackets++;
}
// The local 'headerData' array (to which 'data' is assigned) goes out
// of scope on return from this function, so ensure we no longer point to it.
host->buffers[0].data = NULL;
return 0;
} /* enet_protocol_send_outgoing_commands */
@ -3815,7 +3859,7 @@ extern "C" {
* @param pingInterval the interval at which to send pings; defaults to ENET_PEER_PING_INTERVAL if 0
*/
void enet_peer_ping_interval(ENetPeer *peer, enet_uint32 pingInterval) {
peer->pingInterval = pingInterval ? pingInterval : ENET_PEER_PING_INTERVAL;
peer->pingInterval = pingInterval ? pingInterval : (enet_uint32)ENET_PEER_PING_INTERVAL;
}
/** Sets the timeout parameters for a peer.
@ -3836,9 +3880,9 @@ extern "C" {
*/
void enet_peer_timeout(ENetPeer *peer, enet_uint32 timeoutLimit, enet_uint32 timeoutMinimum, enet_uint32 timeoutMaximum) {
peer->timeoutLimit = timeoutLimit ? timeoutLimit : ENET_PEER_TIMEOUT_LIMIT;
peer->timeoutMinimum = timeoutMinimum ? timeoutMinimum : ENET_PEER_TIMEOUT_MINIMUM;
peer->timeoutMaximum = timeoutMaximum ? timeoutMaximum : ENET_PEER_TIMEOUT_MAXIMUM;
peer->timeoutLimit = timeoutLimit ? timeoutLimit : (enet_uint32)ENET_PEER_TIMEOUT_LIMIT;
peer->timeoutMinimum = timeoutMinimum ? timeoutMinimum : (enet_uint32)ENET_PEER_TIMEOUT_MINIMUM;
peer->timeoutMaximum = timeoutMaximum ? timeoutMaximum : (enet_uint32)ENET_PEER_TIMEOUT_MAXIMUM;
}
/** Force an immediate disconnection from a peer.
@ -4293,10 +4337,9 @@ extern "C" {
memset(incomingCommand->fragments, 0, (fragmentCount + 31) / 32 * sizeof(enet_uint32));
}
if (packet != NULL) {
++packet->referenceCount;
peer->totalWaitingData += packet->dataLength;
}
assert(packet != NULL);
++packet->referenceCount;
peer->totalWaitingData += packet->dataLength;
enet_list_insert(enet_list_next(currentCommand), incomingCommand);
@ -4318,7 +4361,8 @@ extern "C" {
goto notifyError;
}
if (packet != NULL && packet->referenceCount == 0) {
assert(packet != NULL);
if (packet->referenceCount == 0) {
callbacks.packet_destroy(packet);
}
@ -4401,11 +4445,9 @@ extern "C" {
if (!channelLimit || channelLimit > ENET_PROTOCOL_MAXIMUM_CHANNEL_COUNT) {
channelLimit = ENET_PROTOCOL_MAXIMUM_CHANNEL_COUNT;
} else if (channelLimit < ENET_PROTOCOL_MINIMUM_CHANNEL_COUNT) {
channelLimit = ENET_PROTOCOL_MINIMUM_CHANNEL_COUNT;
}
host->randomSeed = (enet_uint32) (size_t) host;
host->randomSeed = (enet_uint32) ((uintptr_t) host % UINT32_MAX);
host->randomSeed += enet_host_random_seed();
host->randomSeed = (host->randomSeed << 16) | (host->randomSeed >> 16);
host->channelLimit = channelLimit;
@ -4654,10 +4696,7 @@ extern "C" {
void enet_host_channel_limit(ENetHost *host, size_t channelLimit) {
if (!channelLimit || channelLimit > ENET_PROTOCOL_MAXIMUM_CHANNEL_COUNT) {
channelLimit = ENET_PROTOCOL_MAXIMUM_CHANNEL_COUNT;
} else if (channelLimit < ENET_PROTOCOL_MINIMUM_CHANNEL_COUNT) {
channelLimit = ENET_PROTOCOL_MINIMUM_CHANNEL_COUNT;
}
host->channelLimit = channelLimit;
}
@ -4865,8 +4904,8 @@ extern "C" {
t.QuadPart |= f.dwLowDateTime;
return (t);
}
int clock_gettime(int X, struct timespec *tv) {
(void)X;
LARGE_INTEGER t;
FILETIME f;
double microseconds;
@ -4970,6 +5009,119 @@ extern "C" {
return (enet_uint32)(result_in_ns / ns_in_ms);
}
void enet_inaddr_map4to6(struct in_addr in, struct in6_addr *out)
{
if (in.s_addr == 0x00000000) { /* 0.0.0.0 */
*out = enet_v6_anyaddr;
} else if (in.s_addr == 0xFFFFFFFF) { /* 255.255.255.255 */
*out = enet_v6_noaddr;
} else {
*out = enet_v4_anyaddr;
out->s6_addr[10] = 0xFF;
out->s6_addr[11] = 0xFF;
out->s6_addr[12] = ((uint8_t *)&in.s_addr)[0];
out->s6_addr[13] = ((uint8_t *)&in.s_addr)[1];
out->s6_addr[14] = ((uint8_t *)&in.s_addr)[2];
out->s6_addr[15] = ((uint8_t *)&in.s_addr)[3];
}
}
void enet_inaddr_map6to4(const struct in6_addr *in, struct in_addr *out)
{
memset(out, 0, sizeof(struct in_addr));
((uint8_t *)&out->s_addr)[0] = in->s6_addr[12];
((uint8_t *)&out->s_addr)[1] = in->s6_addr[13];
((uint8_t *)&out->s_addr)[2] = in->s6_addr[14];
((uint8_t *)&out->s_addr)[3] = in->s6_addr[15];
}
int enet_in6addr_lookup_host(const char *name, bool nodns, ENetAddress *out) {
struct addrinfo hints, *resultList = NULL, *result = NULL;
memset(&hints, 0, sizeof(hints));
hints.ai_family = AF_UNSPEC;
if (nodns)
{
hints.ai_flags = AI_NUMERICHOST; /* prevent actual DNS lookups! */
}
if (getaddrinfo(name, NULL, &hints, &resultList) != 0) {
freeaddrinfo(resultList);
return -1;
}
for (result = resultList; result != NULL; result = result->ai_next) {
if (result->ai_addr != NULL) {
if (result->ai_family == AF_INET || (result->ai_family == AF_UNSPEC && result->ai_addrlen == sizeof(struct sockaddr_in))) {
enet_inaddr_map4to6(((struct sockaddr_in*)result->ai_addr)->sin_addr, &out->host);
out->sin6_scope_id = 0;
freeaddrinfo(resultList);
return 0;
} else if (result->ai_family == AF_INET6 || (result->ai_family == AF_UNSPEC && result->ai_addrlen == sizeof(struct sockaddr_in6))) {
memcpy(&out->host, &((struct sockaddr_in6*)result->ai_addr)->sin6_addr, sizeof(struct in6_addr));
out->sin6_scope_id = (enet_uint16) ((struct sockaddr_in6*)result->ai_addr)->sin6_scope_id;
freeaddrinfo(resultList);
return 0;
}
}
}
freeaddrinfo(resultList);
return -1;
}
int enet_address_set_host_ip_new(ENetAddress *address, const char *name) {
return enet_in6addr_lookup_host(name, true, address);
}
int enet_address_set_host_new(ENetAddress *address, const char *name) {
return enet_in6addr_lookup_host(name, false, address);
}
int enet_address_get_host_ip_new(const ENetAddress *address, char *name, size_t nameLength) {
if (IN6_IS_ADDR_V4MAPPED(&address->host)) {
struct in_addr buf;
enet_inaddr_map6to4(&address->host, &buf);
if (inet_ntop(AF_INET, &buf, name, nameLength) == NULL) {
return -1;
}
}
else {
if (inet_ntop(AF_INET6, (void*)&address->host, name, nameLength) == NULL) {
return -1;
}
}
return 0;
} /* enet_address_get_host_ip_new */
int enet_address_get_host_new(const ENetAddress *address, char *name, size_t nameLength) {
struct sockaddr_in6 sin;
memset(&sin, 0, sizeof(struct sockaddr_in6));
int err;
sin.sin6_family = AF_INET6;
sin.sin6_port = ENET_HOST_TO_NET_16 (address->port);
sin.sin6_addr = address->host;
sin.sin6_scope_id = address->sin6_scope_id;
err = getnameinfo((struct sockaddr *) &sin, sizeof(sin), name, nameLength, NULL, 0, NI_NAMEREQD);
if (!err) {
if (name != NULL && nameLength > 0 && !memchr(name, '\0', nameLength)) {
return -1;
}
return 0;
}
if (err != EAI_NONAME) {
return -1;
}
return enet_address_get_host_ip_new(address, name, nameLength);
} /* enet_address_get_host_new */
// =======================================================================//
// !
// ! Platform Specific (Unix)
@ -5159,7 +5311,7 @@ extern "C" {
}
}
#endif // __MINGW__
int enet_initialize(void) {
return 0;
}
@ -5170,7 +5322,7 @@ extern "C" {
return (enet_uint64) time(NULL);
}
int enet_address_set_host_ip(ENetAddress *address, const char *name) {
int enet_address_set_host_ip_old(ENetAddress *address, const char *name) {
if (!inet_pton(AF_INET6, name, &address->host)) {
return -1;
}
@ -5178,7 +5330,7 @@ extern "C" {
return 0;
}
int enet_address_set_host(ENetAddress *address, const char *name) {
int enet_address_set_host_old(ENetAddress *address, const char *name) {
struct addrinfo hints, *resultList = NULL, *result = NULL;
memset(&hints, 0, sizeof(hints));
@ -5199,7 +5351,6 @@ extern "C" {
((uint32_t *)&address->host.s6_addr)[3] = sin->sin_addr.s_addr;
freeaddrinfo(resultList);
return 0;
}
else if(result->ai_family == AF_INET6) {
@ -5209,21 +5360,16 @@ extern "C" {
address->sin6_scope_id = sin->sin6_scope_id;
freeaddrinfo(resultList);
return 0;
}
}
}
if (resultList != NULL) {
freeaddrinfo(resultList);
}
freeaddrinfo(resultList);
return enet_address_set_host_ip(address, name);
} /* enet_address_set_host */
} /* enet_address_set_host_old */
int enet_address_get_host_ip(const ENetAddress *address, char *name, size_t nameLength) {
int enet_address_get_host_ip_old(const ENetAddress *address, char *name, size_t nameLength) {
if (inet_ntop(AF_INET6, &address->host, name, nameLength) == NULL) {
return -1;
}
@ -5231,17 +5377,14 @@ extern "C" {
return 0;
}
int enet_address_get_host(const ENetAddress *address, char *name, size_t nameLength) {
int enet_address_get_host_old(const ENetAddress *address, char *name, size_t nameLength) {
struct sockaddr_in6 sin;
int err;
memset(&sin, 0, sizeof(struct sockaddr_in6));
sin.sin6_family = AF_INET6;
sin.sin6_port = ENET_HOST_TO_NET_16 (address->port);
sin.sin6_addr = address->host;
sin.sin6_scope_id = address->sin6_scope_id;
err = getnameinfo((struct sockaddr *) &sin, sizeof(sin), name, nameLength, NULL, 0, NI_NAMEREQD);
if (!err) {
if (name != NULL && nameLength > 0 && !memchr(name, '\0', nameLength)) {
@ -5252,9 +5395,8 @@ extern "C" {
if (err != EAI_NONAME) {
return -1;
}
return enet_address_get_host_ip(address, name, nameLength);
} /* enet_address_get_host */
} /* enet_address_get_host_old */
int enet_socket_bind(ENetSocket socket, const ENetAddress *address) {
struct sockaddr_in6 sin;
@ -5294,7 +5436,7 @@ extern "C" {
}
ENetSocket enet_socket_create(ENetSocketType type) {
return socket(PF_INET6, type == ENET_SOCKET_TYPE_DATAGRAM ? SOCK_DGRAM : SOCK_STREAM, 0);
return socket(PF_INET6, (int)type == ENET_SOCKET_TYPE_DATAGRAM ? SOCK_DGRAM : SOCK_STREAM, 0);
}
int enet_socket_set_option(ENetSocket socket, ENetSocketOption option, int value) {
@ -5579,7 +5721,7 @@ extern "C" {
return (enet_uint64) timeGetTime();
}
int enet_address_set_host_ip(ENetAddress *address, const char *name) {
int enet_address_set_host_ip_old(ENetAddress *address, const char *name) {
enet_uint8 vals[4] = { 0, 0, 0, 0 };
int i;
@ -5603,7 +5745,7 @@ extern "C" {
return 0;
}
int enet_address_set_host(ENetAddress *address, const char *name) {
int enet_address_set_host_old(ENetAddress *address, const char *name) {
struct hostent *hostEntry = NULL;
hostEntry = gethostbyname(name);
@ -5623,7 +5765,7 @@ extern "C" {
return 0;
}
int enet_address_get_host_ip(const ENetAddress *address, char *name, size_t nameLength) {
int enet_address_get_host_ip_old(const ENetAddress *address, char *name, size_t nameLength) {
if (inet_ntop(AF_INET6, (PVOID)&address->host, name, nameLength) == NULL) {
return -1;
}
@ -5631,13 +5773,11 @@ extern "C" {
return 0;
}
int enet_address_get_host(const ENetAddress *address, char *name, size_t nameLength) {
int enet_address_get_host_old(const ENetAddress *address, char *name, size_t nameLength) {
struct in6_addr in;
struct hostent *hostEntry = NULL;
in = address->host;
hostEntry = gethostbyaddr((char *)&in, sizeof(struct in6_addr), AF_INET6);
if (hostEntry == NULL) {
return enet_address_get_host_ip(address, name, nameLength);
} else {
@ -5647,7 +5787,6 @@ extern "C" {
}
memcpy(name, hostEntry->h_name, hostLen + 1);
}
return 0;
}