Rework endianness conversion primitives

Signed-off-by: Laurent Bercot <ska@appnovation.com>

1 files changed, 25 insertions, 0 deletions

diff --git a/src/libstddjb/socket_connect4.c b/src/libstddjb/socket_connect4.c
new file mode 100644
index 0000000..a6dcadf
--- /dev/null
+++ b/src/libstddjb/socket_connect4.c
@@ -0,0 +1,25 @@
+/* ISC license. */
+
+#include <skalibs/nonposix.h>
+
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <string.h>
+#include <errno.h>
+
+#include <skalibs/uint16.h>
+#include <skalibs/socket.h>
+
+int socket_connect4 (int s, char const *ip, uint16_t port)
+{
+  int r ;
+  struct sockaddr_in sa ;
+  memset(&sa, 0, sizeof sa) ;
+  sa.sin_family = AF_INET ;
+  sa.sin_port = uint16_big(port) ;
+  memcpy(&sa.sin_addr.s_addr, ip, 4) ;
+  do r = connect(s, (struct sockaddr *)&sa, sizeof sa) ;
+  while ((r == -1) && (errno == EINTR)) ;
+  if ((r == -1) && (errno == EALREADY)) errno = EINPROGRESS ;
+  return r ;
+}