windows: Provide a write(2) wrapper that uses send(2) on sockets

2 files changed, 22 insertions, 0 deletions

diff --git a/src/libstrongswan/utils/windows.c b/src/libstrongswan/utils/windows.c
index e511db026..241ad055a 100644
--- a/src/libstrongswan/utils/windows.c
+++ b/src/libstrongswan/utils/windows.c
@@ -662,6 +662,22 @@ ssize_t windows_read(int fd, void *buf, size_t count)
 /**
  * See header
  */
+#undef write
+ssize_t windows_write(int fd, void *buf, size_t count)
+{
+	ssize_t ret;
+
+	ret = send(fd, buf, count, 0);
+	if (ret == -1 && WSAGetLastError() == WSAENOTSOCK)
+	{
+		ret = write(fd, buf, count);
+	}
+	return ret;
+}
+
+/**
+ * See header
+ */
 int poll(struct pollfd *fds, int nfds, int timeout)
 {
 	return wserr(WSAPoll(fds, nfds, timeout));
diff --git a/src/libstrongswan/utils/windows.h b/src/libstrongswan/utils/windows.h
index ffd95b3fb..147d3aa2c 100644
--- a/src/libstrongswan/utils/windows.h
+++ b/src/libstrongswan/utils/windows.h
@@ -371,6 +371,12 @@ ssize_t windows_sendto(int sockfd, const void *buf, size_t len, int flags,
 #define read windows_read
 ssize_t windows_read(int fd, void *buf, size_t count);
 
+/**
+ * write(2) working on files and sockets
+ */
+#define write windows_write
+ssize_t windows_write(int fd, void *buf, size_t count);
+
 #if _WIN32_WINNT < 0x0600
 /**
  * Define pollfd and flags on our own if not specified