From 416ef5e2bf59bb2e45066a1d5d91ac677c0f48e5 Mon Sep 17 00:00:00 2001
From: Laurent Bercot <ska-skaware@skarnet.org>
Date: Wed, 10 Dec 2014 03:05:47 +0000
Subject: Initial commit

---
 src/libs6dns/s6dns_message_parse_answer_strings.c | 36 +++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 src/libs6dns/s6dns_message_parse_answer_strings.c

(limited to 'src/libs6dns/s6dns_message_parse_answer_strings.c')

diff --git a/src/libs6dns/s6dns_message_parse_answer_strings.c b/src/libs6dns/s6dns_message_parse_answer_strings.c
new file mode 100644
index 0000000..09470c7
--- /dev/null
+++ b/src/libs6dns/s6dns_message_parse_answer_strings.c
@@ -0,0 +1,36 @@
+/* ISC license. */
+
+#include <errno.h>
+#include <skalibs/error.h>
+#include <skalibs/stralloc.h>
+#include <skalibs/genalloc.h>
+#include <s6-dns/s6dns-message.h>
+
+int s6dns_message_parse_answer_strings (s6dns_message_rr_t const *rr, char const *packet, unsigned int packetlen, unsigned int pos, unsigned int section, void *stuff)
+{
+  s6dns_mpag_t_ref data = stuff ;
+  if ((section == 2) && (rr->rtype == data->rtype))
+  {
+    unsigned int base = data->sa.len ;
+    int wasnull = !data->sa.s ;
+    unsigned int start = pos ;
+    register int r ;
+    if (!stralloc_readyplus(&data->sa, rr->rdlength + 1)) return -1 ;
+    errno = EPROTO ;
+    r = s6dns_message_get_strings(data->sa.s + data->sa.len, rr->rdlength, packet, packetlen, &pos) ;
+    if ((r < 0) || (rr->rdlength != pos - start))
+    {
+      if (wasnull) stralloc_free(&data->sa) ; else data->sa.len = base ;
+      return 0 ;
+    }
+    if (!genalloc_append(unsigned int, &data->offsets, &data->sa.len))
+    {
+      if (wasnull) stralloc_free(&data->sa) ; else data->sa.len = base ;
+      return -1 ;
+    }
+    errno = 0 ;
+    data->sa.len += r ;
+    stralloc_0(&data->sa) ;
+  }
+  return 1 ;
+}
-- 
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