1 files changed, 22 insertions, 0 deletions
diff --git a/src/libstddjb/socket_recv4.c b/src/libstddjb/socket_recv4.c
new file mode 100644
index 0000000..02354e9
--- /dev/null
+++ b/src/libstddjb/socket_recv4.c
@@ -0,0 +1,22 @@
+/* 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/socket.h>
+
+int socket_recv4 (int s, char *buf, unsigned int len, char *ip, uint16 *port)
+{
+  struct sockaddr_in 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(ip, 4, (char *)&sa.sin_addr) ;
+  uint16_unpack_big((char *)&sa.sin_port, port) ;
+  return r ;
+}