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authorLaurent Bercot <ska-skaware@skarnet.org>2014-09-18 18:55:44 +0000
committerLaurent Bercot <ska-skaware@skarnet.org>2014-09-18 18:55:44 +0000
commit3534b428629be185e096be99e3bd5fdfe32d5544 (patch)
tree210ef3198ed66bc7f7b7bf6a85e4579f455e5a36 /src/libstddjb/socket_recv6.c
downloadskalibs-3534b428629be185e096be99e3bd5fdfe32d5544.tar.xz
initial commit with rc for skalibs-2.0.0.0
Diffstat (limited to 'src/libstddjb/socket_recv6.c')
-rw-r--r--src/libstddjb/socket_recv6.c39
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