#include <asm/ebcdic.h>
#include <asm/uaccess.h>
-
#include "raw3270.h"
+#include "tty3270.h"
#include "keyboard.h"
#define TTY3270_CHAR_BUF_SIZE 256
* Insert character into the screen at the current position with the
* current color and highlight. This function does NOT do cursor movement.
*/
-static void
-tty3270_put_character(struct tty3270 *tp, char ch)
+static void tty3270_put_character(struct tty3270 *tp, char ch)
{
struct tty3270_line *line;
struct tty3270_cell *cell;
static void
tty3270_goto_xy(struct tty3270 *tp, int cx, int cy)
{
- tp->cx = min_t(int, tp->view.cols - 1, max_t(int, 0, cx));
- cy = min_t(int, tp->view.rows - 3, max_t(int, 0, cy));
+ int max_cx = max(0, cx);
+ int max_cy = max(0, cy);
+
+ tp->cx = min_t(int, tp->view.cols - 1, max_cx);
+ cy = min_t(int, tp->view.rows - 3, max_cy);
if (cy != tp->cy) {
tty3270_convert_line(tp, tp->cy);
tp->cy = cy;
/*
* Put single characters to the ttys character buffer
*/
-static void
-tty3270_put_char(struct tty_struct *tty, unsigned char ch)
+static int tty3270_put_char(struct tty_struct *tty, unsigned char ch)
{
struct tty3270 *tp;
tp = tty->driver_data;
- if (!tp)
- return;
- if (tp->char_count < TTY3270_CHAR_BUF_SIZE)
- tp->char_buf[tp->char_count++] = ch;
+ if (!tp || tp->char_count >= TTY3270_CHAR_BUF_SIZE)
+ return 0;
+ tp->char_buf[tp->char_count++] = ch;
+ return 1;
}
/*