本文整理汇总了C++中CTXMALLOC函数的典型用法代码示例。如果您正苦于以下问题：C++ CTXMALLOC函数的具体用法？C++ CTXMALLOC怎么用？C++ CTXMALLOC使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了CTXMALLOC函数的13个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。
示例1: lwres_gnbarequest_render
/*% Uses resolver context ctx to convert getnamebyaddr request structure req to canonical format. */
lwres_result_t
lwres_gnbarequest_render (lwres_context_t * ctx, lwres_gnbarequest_t * req, lwres_lwpacket_t * pkt, lwres_buffer_t * b)
{
unsigned char *buf;
size_t buflen;
int ret;
size_t payload_length;
REQUIRE (ctx != NULL);
REQUIRE (req != NULL);
REQUIRE (req->addr.family != 0);
REQUIRE (req->addr.length != 0);
REQUIRE (pkt != NULL);
REQUIRE (b != NULL);
payload_length = 4 + 4 + 2 + +req->addr.length;
buflen = LWRES_LWPACKET_LENGTH + payload_length;
buf = CTXMALLOC (buflen);
if (buf == NULL)
return (LWRES_R_NOMEMORY);
lwres_buffer_init (b, buf, buflen);
pkt->length = buflen;
pkt->version = LWRES_LWPACKETVERSION_0;
pkt->pktflags &= ~LWRES_LWPACKETFLAG_RESPONSE;
pkt->opcode = LWRES_OPCODE_GETNAMEBYADDR;
pkt->result = 0;
pkt->authtype = 0;
pkt->authlength = 0;
ret = lwres_lwpacket_renderheader (b, pkt);
if (ret != LWRES_R_SUCCESS)
{
lwres_buffer_invalidate (b);
CTXFREE (buf, buflen);
return (ret);
}
INSIST (SPACE_OK (b, payload_length));
/*
* Put the length and the data. We know this will fit because we
* just checked for it.
*/
lwres_buffer_putuint32 (b, req->flags);
lwres_buffer_putuint32 (b, req->addr.family);
lwres_buffer_putuint16 (b, req->addr.length);
lwres_buffer_putmem (b, (unsigned char *) req->addr.address, req->addr.length);
INSIST (LWRES_BUFFER_AVAILABLECOUNT (b) == 0);
return (LWRES_R_SUCCESS);
}
开发者ID:274914765，项目名称:C，代码行数:58，代码来源:lwres_gnba.c
示例2: lwres_noopresponse_render
lwres_result_t
lwres_noopresponse_render(lwres_context_t *ctx, lwres_noopresponse_t *req,
lwres_lwpacket_t *pkt, lwres_buffer_t *b)
{
unsigned char *buf;
size_t buflen;
int ret;
size_t payload_length;
REQUIRE(ctx != NULL);
REQUIRE(req != NULL);
REQUIRE(pkt != NULL);
REQUIRE(b != NULL);
payload_length = sizeof(lwres_uint16_t) + req->datalength;
buflen = LWRES_LWPACKET_LENGTH + payload_length;
buf = CTXMALLOC(buflen);
if (buf == NULL)
return (LWRES_R_NOMEMORY);
lwres_buffer_init(b, buf, (unsigned int)buflen);
pkt->length = (lwres_uint32_t)buflen;
pkt->version = LWRES_LWPACKETVERSION_0;
pkt->pktflags |= LWRES_LWPACKETFLAG_RESPONSE;
pkt->opcode = LWRES_OPCODE_NOOP;
pkt->authtype = 0;
pkt->authlength = 0;
ret = lwres_lwpacket_renderheader(b, pkt);
if (ret != LWRES_R_SUCCESS) {
lwres_buffer_invalidate(b);
CTXFREE(buf, buflen);
return (ret);
}
INSIST(SPACE_OK(b, payload_length));
/*
* Put the length and the data. We know this will fit because we
* just checked for it.
*/
lwres_buffer_putuint16(b, req->datalength);
lwres_buffer_putmem(b, req->data, req->datalength);
INSIST(LWRES_BUFFER_AVAILABLECOUNT(b) == 0);
return (LWRES_R_SUCCESS);
}
开发者ID:Stichting-MINIX-Research-Foundation，项目名称:minix，代码行数:49，代码来源:lwres_noop.c
示例3: lwres_noopresponse_parse
/*% Offers the same semantics as lwres_nooprequest_parse() except it yields a lwres_noopresponse_t structure. */
lwres_result_t
lwres_noopresponse_parse(lwres_context_t *ctx, lwres_buffer_t *b,
lwres_lwpacket_t *pkt, lwres_noopresponse_t **structp)
{
int ret;
lwres_noopresponse_t *req;
REQUIRE(ctx != NULL);
REQUIRE(b != NULL);
REQUIRE(pkt != NULL);
REQUIRE(structp != NULL && *structp == NULL);
if ((pkt->pktflags & LWRES_LWPACKETFLAG_RESPONSE) == 0)
return (LWRES_R_FAILURE);
req = CTXMALLOC(sizeof(lwres_noopresponse_t));
if (req == NULL)
return (LWRES_R_NOMEMORY);
if (!SPACE_REMAINING(b, sizeof(lwres_uint16_t))) {
ret = LWRES_R_UNEXPECTEDEND;
goto out;
}
req->datalength = lwres_buffer_getuint16(b);
if (!SPACE_REMAINING(b, req->datalength)) {
ret = LWRES_R_UNEXPECTEDEND;
goto out;
}
req->data = b->base + b->current;
lwres_buffer_forward(b, req->datalength);
if (LWRES_BUFFER_REMAINING(b) != 0) {
ret = LWRES_R_TRAILINGDATA;
goto out;
}
/* success! */
*structp = req;
return (LWRES_R_SUCCESS);
/* Error return */
out:
CTXFREE(req, sizeof(lwres_noopresponse_t));
return (ret);
}
开发者ID:Stichting-MINIX-Research-Foundation，项目名称:minix，代码行数:47，代码来源:lwres_noop.c
示例4: lwres_gnbarequest_parse
/*% Uses context ctx to convert the contents of packet pkt to a lwres_gnbarequest_t structure. */
lwres_result_t
lwres_gnbarequest_parse (lwres_context_t * ctx, lwres_buffer_t * b,
lwres_lwpacket_t * pkt, lwres_gnbarequest_t ** structp)
{
int ret;
lwres_gnbarequest_t *gnba;
REQUIRE (ctx != NULL);
REQUIRE (pkt != NULL);
REQUIRE (b != NULL);
REQUIRE (structp != NULL && *structp == NULL);
if ((pkt->pktflags & LWRES_LWPACKETFLAG_RESPONSE) != 0)
return (LWRES_R_FAILURE);
if (!SPACE_REMAINING (b, 4))
return (LWRES_R_UNEXPECTEDEND);
gnba = CTXMALLOC (sizeof (lwres_gnbarequest_t));
if (gnba == NULL)
return (LWRES_R_NOMEMORY);
gnba->flags = lwres_buffer_getuint32 (b);
ret = lwres_addr_parse (b, &gnba->addr);
if (ret != LWRES_R_SUCCESS)
goto out;
if (LWRES_BUFFER_REMAINING (b) != 0)
{
ret = LWRES_R_TRAILINGDATA;
goto out;
}
*structp = gnba;
return (LWRES_R_SUCCESS);
out:
if (gnba != NULL)
lwres_gnbarequest_free (ctx, &gnba);
return (ret);
}
开发者ID:274914765，项目名称:C，代码行数:45，代码来源:lwres_gnba.c
示例5: tlDateToString
TIMELIB_API void TIMELIB_CALL tlDateToString(size32_t &__lenResult, char* &__result, unsigned int date, const char* format)
{
struct tm timeInfo;
const size_t kBufferSize = 256;
char buffer[kBufferSize];
memset(&timeInfo, 0, sizeof(timeInfo));
tlInsertDateIntoTimeStruct(&timeInfo, date);
tlMKTime(&timeInfo);
__lenResult = strftime(buffer, kBufferSize, format, &timeInfo);
__result = NULL;
if (__lenResult > 0)
{
__result = reinterpret_cast<char*>(CTXMALLOC(parentCtx, __lenResult));
memcpy(__result, buffer, __lenResult);
}
}
开发者ID:Josh-Googler，项目名称:HPCC-Platform，代码行数:19，代码来源:timelib.cpp
示例6: lwres_getnamebyaddr
/*% Used to perform reverse lookups. */
lwres_result_t
lwres_getnamebyaddr(lwres_context_t *ctx, lwres_uint32_t addrtype,
lwres_uint16_t addrlen, const unsigned char *addr,
lwres_gnbaresponse_t **structp)
{
lwres_gnbarequest_t request;
lwres_gnbaresponse_t *response;
int ret;
int recvlen;
lwres_buffer_t b_in, b_out;
lwres_lwpacket_t pkt;
lwres_uint32_t serial;
char *buffer;
REQUIRE(ctx != NULL);
REQUIRE(addrtype != 0);
REQUIRE(addrlen != 0);
REQUIRE(addr != NULL);
REQUIRE(structp != NULL && *structp == NULL);
b_in.base = NULL;
b_out.base = NULL;
response = NULL;
buffer = NULL;
serial = lwres_context_nextserial(ctx);
buffer = CTXMALLOC(LWRES_RECVLENGTH);
if (buffer == NULL) {
ret = LWRES_R_NOMEMORY;
goto out;
}
/*
* Set up our request and render it to a buffer.
*/
request.flags = 0;
request.addr.family = addrtype;
request.addr.length = addrlen;
memmove(request.addr.address, addr, addrlen);
pkt.pktflags = 0;
pkt.serial = serial;
pkt.result = 0;
pkt.recvlength = LWRES_RECVLENGTH;
again:
ret = lwres_gnbarequest_render(ctx, &request, &pkt, &b_out);
if (ret != LWRES_R_SUCCESS)
goto out;
ret = lwres_context_sendrecv(ctx, b_out.base, b_out.length, buffer,
LWRES_RECVLENGTH, &recvlen);
if (ret != LWRES_R_SUCCESS)
goto out;
lwres_buffer_init(&b_in, buffer, recvlen);
b_in.used = recvlen;
/*
* Parse the packet header.
*/
ret = lwres_lwpacket_parseheader(&b_in, &pkt);
if (ret != LWRES_R_SUCCESS)
goto out;
/*
* Sanity check.
*/
if (pkt.serial != serial)
goto again;
if (pkt.opcode != LWRES_OPCODE_GETNAMEBYADDR)
goto again;
/*
* Free what we've transmitted
*/
CTXFREE(b_out.base, b_out.length);
b_out.base = NULL;
b_out.length = 0;
if (pkt.result != LWRES_R_SUCCESS) {
ret = pkt.result;
goto out;
}
/*
* Parse the response.
*/
ret = lwres_gnbaresponse_parse(ctx, &b_in, &pkt, &response);
if (ret != LWRES_R_SUCCESS)
goto out;
response->base = buffer;
response->baselen = LWRES_RECVLENGTH;
buffer = NULL; /* don't free this below */
*structp = response;
return (LWRES_R_SUCCESS);
out:
if (b_out.base != NULL)
//.........这里部分代码省略.........
开发者ID:crossbuild，项目名称:bind，代码行数:101，代码来源:lwresutil.c
示例7: lwres_gabnresponse_render
/*% converts a getaddrbyname response structure lwres_gabnresponse_t to the lightweight resolver's canonical format. */
lwres_result_t
lwres_gabnresponse_render(lwres_context_t *ctx, lwres_gabnresponse_t *req,
lwres_lwpacket_t *pkt, lwres_buffer_t *b)
{
unsigned char *buf;
size_t buflen;
int ret;
size_t payload_length;
lwres_uint16_t datalen;
lwres_addr_t *addr;
int x;
REQUIRE(ctx != NULL);
REQUIRE(req != NULL);
REQUIRE(pkt != NULL);
REQUIRE(b != NULL);
/* naliases, naddrs */
payload_length = 4 + 2 + 2;
/* real name encoding */
payload_length += 2 + req->realnamelen + 1;
/* each alias */
for (x = 0; x < req->naliases; x++)
payload_length += 2 + req->aliaslen[x] + 1;
/* each address */
x = 0;
addr = LWRES_LIST_HEAD(req->addrs);
while (addr != NULL) {
payload_length += 4 + 2;
payload_length += addr->length;
addr = LWRES_LIST_NEXT(addr, link);
x++;
}
INSIST(x == req->naddrs);
buflen = LWRES_LWPACKET_LENGTH + payload_length;
buf = CTXMALLOC(buflen);
if (buf == NULL)
return (LWRES_R_NOMEMORY);
lwres_buffer_init(b, buf, (unsigned int)buflen);
pkt->length = (lwres_uint32_t)buflen;
pkt->version = LWRES_LWPACKETVERSION_0;
pkt->pktflags |= LWRES_LWPACKETFLAG_RESPONSE;
pkt->opcode = LWRES_OPCODE_GETADDRSBYNAME;
pkt->authtype = 0;
pkt->authlength = 0;
ret = lwres_lwpacket_renderheader(b, pkt);
if (ret != LWRES_R_SUCCESS) {
lwres_buffer_invalidate(b);
CTXFREE(buf, buflen);
return (ret);
}
/*
* Check space needed here.
*/
INSIST(SPACE_OK(b, payload_length));
/* Flags. */
lwres_buffer_putuint32(b, req->flags);
/* encode naliases and naddrs */
lwres_buffer_putuint16(b, req->naliases);
lwres_buffer_putuint16(b, req->naddrs);
/* encode the real name */
datalen = req->realnamelen;
lwres_buffer_putuint16(b, datalen);
lwres_buffer_putmem(b, (unsigned char *)req->realname, datalen);
lwres_buffer_putuint8(b, 0);
/* encode the aliases */
for (x = 0; x < req->naliases; x++) {
datalen = req->aliaslen[x];
lwres_buffer_putuint16(b, datalen);
lwres_buffer_putmem(b, (unsigned char *)req->aliases[x],
datalen);
lwres_buffer_putuint8(b, 0);
}
/* encode the addresses */
addr = LWRES_LIST_HEAD(req->addrs);
while (addr != NULL) {
lwres_buffer_putuint32(b, addr->family);
lwres_buffer_putuint16(b, addr->length);
lwres_buffer_putmem(b, addr->address, addr->length);
addr = LWRES_LIST_NEXT(addr, link);
}
INSIST(LWRES_BUFFER_AVAILABLECOUNT(b) == 0);
INSIST(LWRES_BUFFER_USEDCOUNT(b) == pkt->length);
return (LWRES_R_SUCCESS);
}
开发者ID:crossbuild，项目名称:bind，代码行数:97，代码来源:lwres_gabn.c
示例8: lwres_gnbaresponse_parse
lwres_result_t
lwres_gnbaresponse_parse (lwres_context_t * ctx, lwres_buffer_t * b,
lwres_lwpacket_t * pkt, lwres_gnbaresponse_t ** structp)
{
int ret;
unsigned int x;
lwres_uint32_t flags;
lwres_uint16_t naliases;
lwres_gnbaresponse_t *gnba;
REQUIRE (ctx != NULL);
REQUIRE (pkt != NULL);
REQUIRE (b != NULL);
REQUIRE (structp != NULL && *structp == NULL);
gnba = NULL;
if ((pkt->pktflags & LWRES_LWPACKETFLAG_RESPONSE) == 0)
return (LWRES_R_FAILURE);
/*
* Pull off flags & naliases
*/
if (!SPACE_REMAINING (b, 4 + 2))
return (LWRES_R_UNEXPECTEDEND);
flags = lwres_buffer_getuint32 (b);
naliases = lwres_buffer_getuint16 (b);
gnba = CTXMALLOC (sizeof (lwres_gnbaresponse_t));
if (gnba == NULL)
return (LWRES_R_NOMEMORY);
gnba->base = NULL;
gnba->aliases = NULL;
gnba->aliaslen = NULL;
gnba->flags = flags;
gnba->naliases = naliases;
if (naliases > 0)
{
gnba->aliases = CTXMALLOC (sizeof (char *) * naliases);
if (gnba->aliases == NULL)
{
ret = LWRES_R_NOMEMORY;
goto out;
}
gnba->aliaslen = CTXMALLOC (sizeof (lwres_uint16_t) * naliases);
if (gnba->aliaslen == NULL)
{
ret = LWRES_R_NOMEMORY;
goto out;
}
}
/*
* Now, pull off the real name.
*/
ret = lwres_string_parse (b, &gnba->realname, &gnba->realnamelen);
if (ret != LWRES_R_SUCCESS)
goto out;
/*
* Parse off the aliases.
*/
for (x = 0; x < gnba->naliases; x++)
{
ret = lwres_string_parse (b, &gnba->aliases[x], &gnba->aliaslen[x]);
if (ret != LWRES_R_SUCCESS)
goto out;
}
if (LWRES_BUFFER_REMAINING (b) != 0)
{
ret = LWRES_R_TRAILINGDATA;
goto out;
}
*structp = gnba;
return (LWRES_R_SUCCESS);
out:
if (gnba != NULL)
{
if (gnba->aliases != NULL)
CTXFREE (gnba->aliases, sizeof (char *) * naliases);
if (gnba->aliaslen != NULL)
CTXFREE (gnba->aliaslen, sizeof (lwres_uint16_t) * naliases);
CTXFREE (gnba, sizeof (lwres_gnbaresponse_t));
}
return (ret);
}
开发者ID:274914765，项目名称:C，代码行数:97，代码来源:lwres_gnba.c
示例9: lwres_gnbaresponse_render
/*% Converts a getnamebyaddr response structure lwres_gnbaresponse_t to the lightweight resolver's canonical format. */
lwres_result_t
lwres_gnbaresponse_render (lwres_context_t * ctx, lwres_gnbaresponse_t * req,
lwres_lwpacket_t * pkt, lwres_buffer_t * b)
{
unsigned char *buf;
size_t buflen;
int ret;
size_t payload_length;
lwres_uint16_t datalen;
int x;
REQUIRE (ctx != NULL);
REQUIRE (req != NULL);
REQUIRE (pkt != NULL);
REQUIRE (b != NULL);
/*
* Calculate packet size.
*/
payload_length = 4; /* flags */
payload_length += 2; /* naliases */
payload_length += 2 + req->realnamelen + 1; /* real name encoding */
for (x = 0; x < req->naliases; x++) /* each alias */
payload_length += 2 + req->aliaslen[x] + 1;
buflen = LWRES_LWPACKET_LENGTH + payload_length;
buf = CTXMALLOC (buflen);
if (buf == NULL)
return (LWRES_R_NOMEMORY);
lwres_buffer_init (b, buf, buflen);
pkt->length = buflen;
pkt->version = LWRES_LWPACKETVERSION_0;
pkt->pktflags |= LWRES_LWPACKETFLAG_RESPONSE;
pkt->opcode = LWRES_OPCODE_GETNAMEBYADDR;
pkt->authtype = 0;
pkt->authlength = 0;
ret = lwres_lwpacket_renderheader (b, pkt);
if (ret != LWRES_R_SUCCESS)
{
lwres_buffer_invalidate (b);
CTXFREE (buf, buflen);
return (ret);
}
INSIST (SPACE_OK (b, payload_length));
lwres_buffer_putuint32 (b, req->flags);
/* encode naliases */
lwres_buffer_putuint16 (b, req->naliases);
/* encode the real name */
datalen = req->realnamelen;
lwres_buffer_putuint16 (b, datalen);
lwres_buffer_putmem (b, (unsigned char *) req->realname, datalen);
lwres_buffer_putuint8 (b, 0);
/* encode the aliases */
for (x = 0; x < req->naliases; x++)
{
datalen = req->aliaslen[x];
lwres_buffer_putuint16 (b, datalen);
lwres_buffer_putmem (b, (unsigned char *) req->aliases[x], datalen);
lwres_buffer_putuint8 (b, 0);
}
INSIST (LWRES_BUFFER_AVAILABLECOUNT (b) == 0);
return (LWRES_R_SUCCESS);
}
开发者ID:274914765，项目名称:C，代码行数:77，代码来源:lwres_gnba.c
示例10: lwres_gabnresponse_parse
lwres_result_t
lwres_gabnresponse_parse(lwres_context_t *ctx, lwres_buffer_t *b,
lwres_lwpacket_t *pkt, lwres_gabnresponse_t **structp)
{
lwres_result_t ret;
unsigned int x;
lwres_uint32_t flags;
lwres_uint16_t naliases;
lwres_uint16_t naddrs;
lwres_gabnresponse_t *gabn;
lwres_addrlist_t addrlist;
lwres_addr_t *addr;
REQUIRE(ctx != NULL);
REQUIRE(pkt != NULL);
REQUIRE(b != NULL);
REQUIRE(structp != NULL && *structp == NULL);
gabn = NULL;
if ((pkt->pktflags & LWRES_LWPACKETFLAG_RESPONSE) == 0)
return (LWRES_R_FAILURE);
/*
* Pull off the name itself
*/
if (!SPACE_REMAINING(b, 4 + 2 + 2))
return (LWRES_R_UNEXPECTEDEND);
flags = lwres_buffer_getuint32(b);
naliases = lwres_buffer_getuint16(b);
naddrs = lwres_buffer_getuint16(b);
gabn = CTXMALLOC(sizeof(lwres_gabnresponse_t));
if (gabn == NULL)
return (LWRES_R_NOMEMORY);
gabn->aliases = NULL;
gabn->aliaslen = NULL;
LWRES_LIST_INIT(gabn->addrs);
gabn->base = NULL;
gabn->flags = flags;
gabn->naliases = naliases;
gabn->naddrs = naddrs;
LWRES_LIST_INIT(addrlist);
if (naliases > 0) {
gabn->aliases = CTXMALLOC(sizeof(char *) * naliases);
if (gabn->aliases == NULL) {
ret = LWRES_R_NOMEMORY;
goto out;
}
gabn->aliaslen = CTXMALLOC(sizeof(lwres_uint16_t) * naliases);
if (gabn->aliaslen == NULL) {
ret = LWRES_R_NOMEMORY;
goto out;
}
}
for (x = 0; x < naddrs; x++) {
addr = CTXMALLOC(sizeof(lwres_addr_t));
if (addr == NULL) {
ret = LWRES_R_NOMEMORY;
goto out;
}
LWRES_LINK_INIT(addr, link);
LWRES_LIST_APPEND(addrlist, addr, link);
}
/*
* Now, pull off the real name.
*/
ret = lwres_string_parse(b, &gabn->realname, &gabn->realnamelen);
if (ret != LWRES_R_SUCCESS)
goto out;
/*
* Parse off the aliases.
*/
for (x = 0; x < gabn->naliases; x++) {
ret = lwres_string_parse(b, &gabn->aliases[x],
&gabn->aliaslen[x]);
if (ret != LWRES_R_SUCCESS)
goto out;
}
/*
* Pull off the addresses. We already strung the linked list
* up above.
*/
addr = LWRES_LIST_HEAD(addrlist);
for (x = 0; x < gabn->naddrs; x++) {
INSIST(addr != NULL);
ret = lwres_addr_parse(b, addr);
if (ret != LWRES_R_SUCCESS)
goto out;
addr = LWRES_LIST_NEXT(addr, link);
}
//.........这里部分代码省略.........
开发者ID:crossbuild，项目名称:bind，代码行数:101，代码来源:lwres_gabn.c
示例11: lwres_getrdatabyname
/*% Get rdata by name. */
lwres_result_t
lwres_getrdatabyname(lwres_context_t *ctx, const char *name,
lwres_uint16_t rdclass, lwres_uint16_t rdtype,
lwres_uint32_t flags, lwres_grbnresponse_t **structp)
{
int ret;
int recvlen;
lwres_buffer_t b_in, b_out;
lwres_lwpacket_t pkt;
lwres_uint32_t serial;
char *buffer;
lwres_grbnrequest_t request;
lwres_grbnresponse_t *response;
char target_name[1024];
unsigned int target_length;
REQUIRE(ctx != NULL);
REQUIRE(name != NULL);
REQUIRE(structp != NULL && *structp == NULL);
b_in.base = NULL;
b_out.base = NULL;
response = NULL;
buffer = NULL;
serial = lwres_context_nextserial(ctx);
buffer = CTXMALLOC(LWRES_RECVLENGTH);
if (buffer == NULL) {
ret = LWRES_R_NOMEMORY;
goto out;
}
target_length = strlen(name);
if (target_length >= sizeof(target_name))
return (LWRES_R_FAILURE);
strcpy(target_name, name); /* strcpy is safe */
/*
* Set up our request and render it to a buffer.
*/
request.rdclass = rdclass;
request.rdtype = rdtype;
request.flags = flags;
request.name = target_name;
request.namelen = target_length;
pkt.pktflags = 0;
pkt.serial = serial;
pkt.result = 0;
pkt.recvlength = LWRES_RECVLENGTH;
again:
ret = lwres_grbnrequest_render(ctx, &request, &pkt, &b_out);
if (ret != LWRES_R_SUCCESS)
goto out;
ret = lwres_context_sendrecv(ctx, b_out.base, b_out.length, buffer,
LWRES_RECVLENGTH, &recvlen);
if (ret != LWRES_R_SUCCESS)
goto out;
lwres_buffer_init(&b_in, buffer, recvlen);
b_in.used = recvlen;
/*
* Parse the packet header.
*/
ret = lwres_lwpacket_parseheader(&b_in, &pkt);
if (ret != LWRES_R_SUCCESS)
goto out;
/*
* Sanity check.
*/
if (pkt.serial != serial)
goto again;
if (pkt.opcode != LWRES_OPCODE_GETRDATABYNAME)
goto again;
/*
* Free what we've transmitted
*/
CTXFREE(b_out.base, b_out.length);
b_out.base = NULL;
b_out.length = 0;
if (pkt.result != LWRES_R_SUCCESS) {
ret = pkt.result;
goto out;
}
/*
* Parse the response.
*/
ret = lwres_grbnresponse_parse(ctx, &b_in, &pkt, &response);
if (ret != LWRES_R_SUCCESS)
goto out;
response->base = buffer;
response->baselen = LWRES_RECVLENGTH;
buffer = NULL; /* don't free this below */
//.........这里部分代码省略.........
开发者ID:crossbuild，项目名称:bind，代码行数:101，代码来源:lwresutil.c
示例12: lwres_getrrsetbyname_read
int
lwres_getrrsetbyname_read(struct lwres_async_state **plas,
lwres_context_t *ctx,
struct rrsetinfo **res)
{
lwres_result_t lwresult;
lwres_grbnresponse_t *response = NULL;
char *buffer;
struct rrsetinfo *rrset = NULL;
int recvlen;
int ret, result;
unsigned int i;
lwres_buffer_t b_in;
struct lwres_async_state *las;
struct lwres_async_state **las_prev;
lwres_lwpacket_t pkt;
buffer = NULL;
buffer = CTXMALLOC(LWRES_RECVLENGTH);
if (buffer == NULL) {
return ERRSET_NOMEMORY;
}
ret = LWRES_R_SUCCESS;
lwresult = lwres_context_recv(ctx, buffer, LWRES_RECVLENGTH, &recvlen);
if (lwresult == LWRES_R_RETRY) {
ret = LWRES_R_RETRY;
goto out;
}
if (ret != LWRES_R_SUCCESS)
goto out;
lwres_buffer_init(&b_in, buffer, recvlen);
b_in.used = recvlen;
/*
* Parse the packet header.
*/
ret = lwres_lwpacket_parseheader(&b_in, &pkt);
if (ret != LWRES_R_SUCCESS)
goto out;
/*
* find an appropriate waiting las entry. This is a linear search.
* we can do MUCH better, since we control the serial number!
* do that later.
*/
las_prev = &ctx->pending;
las = ctx->pending;
while(las && las->serial != pkt.serial) {
las_prev=&las->next;
las=las->next;
}
if(las == NULL) {
/* no matching serial number! */
return(LWRES_R_RETRY);
}
/* okay, remove it from the receive queue */
*las_prev = las->next;
las->next = NULL;
las->inqueue = 0;
*plas = las;
/*
* Free what we've transmitted, long ago.
*/
CTXFREE(las->b_out.base, las->b_out.length);
las->b_out.base = NULL;
las->b_out.length = 0;
if (pkt.result != LWRES_R_SUCCESS) {
ret = pkt.result;
goto out;
}
/*
* Parse the response.
*/
ret = lwres_grbnresponse_parse(ctx, &b_in, &pkt, &response);
if (ret != LWRES_R_SUCCESS) {
out:
if (buffer != NULL)
CTXFREE(buffer, LWRES_RECVLENGTH);
if (response != NULL)
lwres_grbnresponse_free(ctx, &response);
result = lwresult_to_result(ret);
goto fail;
}
response->base = buffer;
response->baselen = LWRES_RECVLENGTH;
buffer = NULL; /* don't free this below */
lwresult = LWRES_R_SUCCESS;
rrset = sane_malloc(sizeof(struct rrsetinfo));
//.........这里部分代码省略.........
开发者ID:nakedible，项目名称:vpnease-l2tp，代码行数:101，代码来源:async.c
示例13: lwres_context_allocmem
/*% Allocates len bytes of memory and if successful returns a pointer to the allocated storage. */
void *
lwres_context_allocmem(lwres_context_t *ctx, size_t len) {
REQUIRE(len != 0U);
return (CTXMALLOC(len));
}
开发者ID:enukane，项目名称:netbsd-src，代码行数:7，代码来源:context.c
注：本文中的CTXMALLOC函数示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。 |
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