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/* ISC license. */
#include <errno.h>
#include <string.h>
#include <skalibs/ip46.h>
#include <skalibs/stralloc.h>
#include <skalibs/genalloc.h>
#include <s6-dns/hosts.h>
extern int s6dns_hosts_aaaaa_string_r (cdb const *c, char const *name, genalloc *ga, int isunq)
{
stralloc sa = STRALLOC_ZERO ;
int gawn = !genalloc_s(ip46full, ga) ;
size_t gabase = genalloc_len(ip46full, ga) ;
int r = s6dns_hosts_a_string_r(c, name, &sa, isunq) ;
if (r <= 0) return r ;
if (!genalloc_readyplus(ip46full, ga, r)) return -1 ;
for (size_t i = 0 ; i < r ; i++)
ip46full_from_ip4(genalloc_s(ip46full, ga) + gabase + i, sa.s + (i << 2)) ;
genalloc_setlen(ip46full, ga, gabase + r) ;
sa.len = 0 ;
r = s6dns_hosts_aaaa_string_r(c, name, &sa, isunq) ;
if (r == -1) goto err ;
if (r)
{
if (!genalloc_readyplus(ip46full, ga, r)) goto err ;
for (size_t i = 0 ; i < r ; i++)
ip46full_from_ip6(genalloc_s(ip46full, ga) + genalloc_len(ip46full, ga) + i, sa.s + (i << 4)) ;
genalloc_setlen(ip46full, ga, genalloc_len(ip46full, ga) + r) ;
}
stralloc_free(&sa) ;
return genalloc_len(ip46full, ga) - gabase ;
err:
if (gawn) genalloc_free(ip46full, ga) ; else genalloc_setlen(ip46full, ga, gabase) ;
stralloc_free(&sa) ;
return -1 ;
}
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