+int serial_open(const char *pathname, int flags)
+{
+#ifdef _WIN32
+ /* FIXME: Don't hardcode COM1. */
+ hdl = CreateFile("COM1", GENERIC_READ | GENERIC_WRITE, 0, 0,
+ OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
+ if (hdl == INVALID_HANDLE_VALUE) {
+ /* TODO: Error handling. */
+ }
+ return 0;
+#else
+ return open(pathname, flags);
+#endif
+}
+
+/*
+ * Close the serial port.
+ * Returns 0 upon success, -1 upon failure.
+ */
+int serial_close(int fd)
+{
+#ifdef _WIN32
+ /* Returns non-zero upon success, 0 upon failure. */
+ return (CloseHandle(hdl) == 0) ? -1 : 0;
+#else
+ /* Returns 0 upon success, -1 upon failure. */
+ return close(fd);
+#endif
+}
+
+/*
+ * Flush serial port buffers (if any).
+ * Returns 0 upon success, -1 upon failure.
+ */
+int serial_flush(int fd)
+{
+#ifdef _WIN32
+ /* Returns non-zero upon success, 0 upon failure. */
+ return (PurgeComm(hdl, PURGE_RXCLEAR | PURGE_TXCLEAR) == 0) ? -1 : 0;
+#else
+ /* Returns 0 upon success, -1 upon failure. */
+ return tcflush(fd, TCIOFLUSH);
+#endif
+}
+
+/*
+ * Write a number of bytes to the specified serial port.
+ * Returns the number of bytes written, or -1 upon failure.
+ */
+int serial_write(int fd, const void *buf, size_t count)
+{
+#ifdef _WIN32
+ DWORD tmp = 0;
+
+ /* FIXME */
+ /* Returns non-zero upon success, 0 upon failure. */
+ WriteFile(hdl, buf, count, &tmp, NULL);
+#else
+ /* Returns the number of bytes written, or -1 upon failure. */
+ return write(fd, buf, count);
+#endif
+}
+
+/*
+ * Read a number of bytes from the specified serial port.
+ * Returns the number of bytes read, or -1 upon failure.
+ */
+int serial_read(int fd, void *buf, size_t count)
+{
+#ifdef _WIN32
+ DWORD tmp = 0;
+
+ /* FIXME */
+ /* Returns non-zero upon success, 0 upon failure. */
+ return ReadFile(hdl, buf, count, &tmp, NULL);
+#else
+ /* Returns the number of bytes read, or -1 upon failure. */
+ return read(fd, buf, count);
+#endif
+}
+
+void *serial_backup_params(int fd)
+{
+#ifdef _WIN32
+ /* TODO */
+#else
+ struct termios *term;
+
+ /* TODO: 'term' is never g_free()'d? */
+ if (!(term = g_try_malloc(sizeof(struct termios)))) {
+ sr_err("serial: %s: term malloc failed", __func__);
+ return NULL;
+ }
+
+ tcgetattr(fd, term);
+
+ return term;
+#endif
+}
+
+void serial_restore_params(int fd, void *backup)
+{
+#ifdef _WIN32
+ /* TODO */
+#else
+ tcsetattr(fd, TCSADRAIN, (struct termios *)backup);
+#endif
+}