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set the used region before parsing. Gotta love buffers, they'll keep ya honest

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This commit is contained in:
Michael Graff 2000-01-26 22:22:41 +00:00
parent 77d886b04e
commit f1092e671a
2 changed files with 9 additions and 3 deletions
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10
lib/lwres/lwres_gabn.c
View File

@ -83,7 +83,8 @@ lwres_gabnrequest_render(lwres_context_t *ctx, lwres_gabnrequest_t *req,
* just checked for it.
*/
lwres_buffer_putuint16(b, datalen);
lwres_buffer_putmem(b, req->name, datalen + 1); /* trailing NUL */
lwres_buffer_putmem(b, req->name, datalen);
lwres_buffer_putuint8(b, 0); /* trailing NUL */
INSIST(LWRES_BUFFER_AVAILABLECOUNT(b) == 0);
@ -149,14 +150,16 @@ lwres_gabnresponse_render(lwres_context_t *ctx, lwres_gabnresponse_t *req,
datalen = req->realnamelen;
INSIST(SPACE_OK(b, (unsigned int)(datalen + 2 + 1)));
lwres_buffer_putuint16(b, datalen);
lwres_buffer_putmem(b, req->realname, datalen + 1);
lwres_buffer_putmem(b, req->realname, datalen);
lwres_buffer_putuint8(b, 0);
/* encode the aliases */
for (x = 0 ; x < req->naliases ; x++) {
datalen = req->aliaslen[x];
INSIST(SPACE_OK(b, (unsigned int)(datalen + 2 + 1)));
lwres_buffer_putuint16(b, datalen);
lwres_buffer_putmem(b, req->aliases[x], datalen + 1);
lwres_buffer_putmem(b, req->aliases[x], datalen);
lwres_buffer_putuint8(b, 0);
}
/* encode the addresses */
@ -171,6 +174,7 @@ lwres_gabnresponse_render(lwres_context_t *ctx, lwres_gabnresponse_t *req,
}
INSIST(LWRES_BUFFER_AVAILABLECOUNT(b) == 0);
INSIST(b->used == pkt->length);
return (LWRES_R_SUCCESS);
}

2
lib/lwres/lwresutil.c
View File

@ -145,6 +145,7 @@ lwres_getaddrsbyname(lwres_context_t *ctx, const char *name,
goto out;
lwres_buffer_init(&b_in, buffer, recvlen);
b_in.used = recvlen;
/*
* Parse the packet header.
@ -252,6 +253,7 @@ lwres_getnamebyaddr(lwres_context_t *ctx, isc_uint32_t addrtype,
goto out;
lwres_buffer_init(&b_in, buffer, recvlen);
b_in.used = recvlen;
/*
* Parse the packet header.