diff options
Diffstat (limited to 'src/libs6dns/s6dns_analyze_record_a.c')
| -rw-r--r-- | src/libs6dns/s6dns_analyze_record_a.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/libs6dns/s6dns_analyze_record_a.c b/src/libs6dns/s6dns_analyze_record_a.c new file mode 100644 index 0000000..5e374cb --- /dev/null +++ b/src/libs6dns/s6dns_analyze_record_a.c @@ -0,0 +1,17 @@ +/* ISC license. */ + +#include <errno.h> +#include <skalibs/error.h> +#include <skalibs/genwrite.h> +#include <skalibs/fmtscan.h> +#include <s6-dns/s6dns-message.h> +#include <s6-dns/s6dns-analyze.h> + +int s6dns_analyze_record_a (genwrite_t *gp, s6dns_message_rr_t const *rr, char const *packet, unsigned int packetlen, unsigned int pos) +{ + char fmt[IP4_FMT] ; + if (rr->rdlength != 4) return (errno = EPROTO, 0) ; + if (pos + 4 > packetlen) return (errno = EPROTO, 0) ; + if ((*gp->put)(gp->target, fmt, ip4_fmt(fmt, packet + pos)) < 0) return 0 ; + return 1 ; +} |
