/* Generic serial interface routines
- Copyright (C) 1992-2016 Free Software Foundation, Inc.
+ Copyright (C) 1992-2017 Free Software Foundation, Inc.
This file is part of GDB.
return NULL;
}
+/* Create a new serial for OPS. */
+
+static struct serial *
+new_serial (const struct serial_ops *ops)
+{
+ struct serial *scb;
+
+ scb = XCNEW (struct serial);
+
+ scb->ops = ops;
+
+ scb->bufp = scb->buf;
+ scb->error_fd = -1;
+ scb->refcnt = 1;
+
+ return scb;
+}
+
+static struct serial *serial_open_ops_1 (const struct serial_ops *ops,
+ const char *open_name);
+
/* Open up a device or a network socket, depending upon the syntax of NAME. */
struct serial *
if (!ops)
return NULL;
- scb = XNEW (struct serial);
+ return serial_open_ops_1 (ops, open_name);
+}
- scb->ops = ops;
+/* Open up a serial for OPS, passing OPEN_NAME to the open method. */
- scb->bufcnt = 0;
- scb->bufp = scb->buf;
- scb->error_fd = -1;
- scb->refcnt = 1;
+static struct serial *
+serial_open_ops_1 (const struct serial_ops *ops, const char *open_name)
+{
+ struct serial *scb;
+
+ scb = new_serial (ops);
/* `...->open (...)' would get expanded by the open(2) syscall macro. */
if ((*scb->ops->open) (scb, open_name))
}
scb->next = scb_base;
- scb->debug_p = 0;
- scb->async_state = 0;
- scb->async_handler = NULL;
- scb->async_context = NULL;
scb_base = scb;
if (serial_logfile != NULL)
return scb;
}
+/* See serial.h. */
+
+struct serial *
+serial_open_ops (const struct serial_ops *ops)
+{
+ return serial_open_ops_1 (ops, NULL);
+}
+
/* Open a new serial stream using a file handle, using serial
interface ops OPS. */
if (!ops)
return NULL;
- scb = XCNEW (struct serial);
-
- scb->ops = ops;
-
- scb->bufcnt = 0;
- scb->bufp = scb->buf;
- scb->error_fd = -1;
- scb->refcnt = 1;
+ scb = new_serial (ops);
scb->next = scb_base;
- scb->debug_p = 0;
- scb->async_state = 0;
- scb->async_handler = NULL;
- scb->async_context = NULL;
scb_base = scb;
if ((ops->fdopen) != NULL)