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Cleaned up and simplified key handling

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This commit is contained in:
Martin Lund 2016-05-16 22:51:34 +02:00
parent 2a5ee61c54
commit 9571a84d70
1 changed files with 17 additions and 20 deletions
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37
src/tty.c
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@ -49,7 +49,7 @@ void wait_for_tty_device(void)
fd_set rdfs;
int status;
struct timeval tv;
static char c_stdin[3];
static char input_char, previous_char = 0;
static bool first = true;
/* Loop until device pops up */
@ -78,7 +78,7 @@ void wait_for_tty_device(void)
/* Input from stdin ready */
/* Read one character */
status = read(STDIN_FILENO, &c_stdin[0], 1);
status = read(STDIN_FILENO, &input_char, 1);
if (status <= 0)
{
error_printf("Could not read from stdin");
@ -86,11 +86,11 @@ void wait_for_tty_device(void)
}
/* Exit upon ctrl-t + q sequence */
c_stdin[2] = c_stdin[1];
c_stdin[1] = c_stdin[0];
if ((c_stdin[1] == KEY_Q) && (c_stdin[2] == KEY_CTRL_T))
if ((input_char == KEY_Q) && (previous_char == KEY_CTRL_T))
exit(EXIT_SUCCESS);
previous_char = input_char;
} else if (status == -1)
{
error_printf("select() failed (%s)", strerror(errno));
@ -167,8 +167,7 @@ int connect_tty(void)
fd_set rdfs; /* Read file descriptor set */
int maxfd; /* Maximum file descriptor used */
static bool first = true;
char c_tty;
char c_stdin[3] = {};
static char input_char, previous_char = 0;
int status;
/* Open tty device */
@ -201,8 +200,6 @@ int connect_tty(void)
color_printf("[tio %s] Connected", current_time());
connected = true;
tainted = false;
bzero(&c_stdin[0], 3);
c_tty = 0;
/* Save current port settings */
if (tcgetattr(fd, &old_tio) < 0)
@ -244,15 +241,15 @@ int connect_tty(void)
if (FD_ISSET(fd, &rdfs))
{
/* Input from tty device ready */
if (read(fd, &c_tty, 1) > 0)
if (read(fd, &input_char, 1) > 0)
{
/* Print received tty character to stdout */
putchar(c_tty);
putchar(input_char);
fflush(stdout);
/* Write to log */
if (option.log)
log_write(c_tty);
log_write(input_char);
tainted = true;
} else
@ -265,7 +262,7 @@ int connect_tty(void)
if (FD_ISSET(STDIN_FILENO, &rdfs))
{
/* Input from stdin ready */
status = read(STDIN_FILENO, &c_stdin[0], 1);
status = read(STDIN_FILENO, &input_char, 1);
if (status <= 0)
{
error_printf("Could not read from stdin");
@ -273,24 +270,24 @@ int connect_tty(void)
}
/* Exit upon ctrl-t + q sequence */
c_stdin[2] = c_stdin[1];
c_stdin[1] = c_stdin[0];
if ((c_stdin[1] == KEY_Q) && (c_stdin[2] == KEY_CTRL_T))
if ((input_char == KEY_Q) && (previous_char == KEY_CTRL_T))
exit(EXIT_SUCCESS);
/* Ignore ctrl-t except when repeated */
if ((c_stdin[0] != KEY_CTRL_T) ||
((c_stdin[1] == KEY_CTRL_T) && (c_stdin[2] == KEY_CTRL_T)))
if ((input_char != KEY_CTRL_T) ||
((input_char == KEY_CTRL_T) && (previous_char == KEY_CTRL_T)))
{
/* Forward input to tty device */
status = write(fd, &c_stdin[0], 1);
status = write(fd, &input_char, 1);
if (status < 0)
printf("Warning: Could not write to tty device\r\n");
}
previous_char = input_char;
/* Write to log */
if (option.log)
log_write(c_stdin[0]);
log_write(input_char);
/* Insert output delay */
if (option.output_delay)