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