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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_conn4.c
downloadskalibs-3534b428629be185e096be99e3bd5fdfe32d5544.tar.xz
initial commit with rc for skalibs-2.0.0.0
Diffstat (limited to 'src/libstddjb/socket_conn4.c')
-rw-r--r--src/libstddjb/socket_conn4.c24
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 ;
+}