/*
* rfc1035NamePack()
*
* Packs a name into a buffer. Names are packed as a
* sequence of labels, terminated with NULL label.
* Note message compression is not supported here.
* Returns number of octets packed.
*/
static int
rfc1035NamePack(char *buf, size_t sz, const char *name)
{
int off = 0;
char *copy = xstrdup(name);
char *t;
/*
* NOTE: use of strtok here makes names like foo....com valid.
*/
for (t = strtok(copy, "."); t; t = strtok(NULL, "."))
off += rfc1035LabelPack(buf + off, sz - off, t);
xfree(copy);
off += rfc1035LabelPack(buf + off, sz - off, NULL);
assert(off <= sz);
return off;
}
/*
* rfc1035NamePack()
*
* Packs a name into a buffer. Names are packed as a
* sequence of labels, terminated with NULL label.
* Note message compression is not supported here.
* Returns number of octets packed.
*/
static int rfc1035NamePack(char *buf, size_t sz, const char *name)
{
const char *myname = "rfc1035NamePack";
int off = 0;
char *copy, *ptr;
char *t;
copy = acl_mystrdup(name);
/*
* NOTE: use of strtok here makes names like foo....com valid.
*/
ptr = copy;
for (t = acl_mystrtok(&ptr, "."); t; t = acl_mystrtok(&ptr, "."))
off += rfc1035LabelPack(buf + off, sz - off, t);
acl_myfree(copy);
off += rfc1035LabelPack(buf + off, sz - off, NULL);
if (off > (int) sz)
acl_msg_fatal("%s: off(%d) > sz(%d)", myname, off, sz);
return off;
}
