initial commit with rc for skalibs-2.0.0.0

1 files changed, 39 insertions, 0 deletions

diff --git a/src/libstddjb/socket_recv6.c b/src/libstddjb/socket_recv6.c
new file mode 100644
index 0000000..d745604
--- /dev/null
+++ b/src/libstddjb/socket_recv6.c
@@ -0,0 +1,39 @@
+/* ISC license. */
+
+#include <skalibs/nonposix.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <errno.h>
+#include <skalibs/uint16.h>
+#include <skalibs/bytestr.h>
+#include <skalibs/ip46.h>
+#include <skalibs/socket.h>
+
+#ifdef SKALIBS_IPV6_ENABLED
+
+int socket_recv6 (int s, char *buf, unsigned int len, char *ip6, uint16 *port)
+{
+  struct sockaddr_in6 sa ;
+  socklen_t dummy = sizeof sa ;
+  register int r ;
+  do r = recvfrom(s, buf, len, 0, (struct sockaddr *)&sa, &dummy) ;
+  while ((r == -1) && (errno == EINTR)) ;
+  if (r == -1) return -1 ;
+  byte_copy(ip6, 16, sa.sin6_addr.s6_addr) ;
+  uint16_unpack_big((char *)&sa.sin6_port, port) ;
+  return r ;
+}
+
+#else
+
+int socket_recv6 (int s, char *buf, unsigned int len, char *ip6, uint16 *port)
+{
+  (void)s ;
+  (void)buf ;
+  (void)len ;
+  (void)ip6 ;
+  (void)port ;
+  return (errno = ENOSYS, -1) ;
+}
+
+#endif