1 files changed, 24 insertions, 0 deletions
diff --git a/src/libstddjb/socket_conn4.c b/src/libstddjb/socket_conn4.c
new file mode 100644
index 0000000..0180378
--- /dev/null
+++ b/src/libstddjb/socket_conn4.c
@@ -0,0 +1,24 @@
+/* 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_connect4 (int s, char const *ip, uint16 port)
+{
+  struct sockaddr_in sa ;
+  register int r ;
+  byte_zero(&sa, sizeof sa) ;
+  sa.sin_family = AF_INET ;
+  uint16_big_endian((char *)&port, 1) ;
+  sa.sin_port = port ;
+  byte_copy(&sa.sin_addr.s_addr, 4, ip) ;
+  do r = connect(s, (struct sockaddr *)&sa, sizeof sa) ;
+  while ((r == -1) && (errno == EINTR)) ;
+  if ((r == -1) && (errno == EALREADY)) errno = EINPROGRESS ;
+  return r ;
+}