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getty: small code shrink
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
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a61ff51b49
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@ -216,9 +216,7 @@ static void parse_args(char **argv, struct options *op, char **fakehost_p)
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ts = argv[0]; /* baud rate(s) */
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}
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parse_speeds(op, ts);
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// TODO: if applet_name is set to "getty: TTY", bb_error_msg's get simpler!
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// grep for "%s:"
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applet_name = xasprintf("getty: %s", op->tty);
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if (argv[2])
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xsetenv("TERM", argv[2]);
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@ -240,7 +238,7 @@ static void open_tty(const char *tty)
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// xchdir("/dev");
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// xstat(tty, &st);
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// if (!S_ISCHR(st.st_mode))
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// bb_error_msg_and_die("%s: not a character device", tty);
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// bb_error_msg_and_die("not a character device");
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if (tty[0] != '/')
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tty = xasprintf("/dev/%s", tty); /* will leak it */
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@ -434,7 +432,7 @@ static char *get_logname(char *logname, unsigned size_logname,
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if (read(STDIN_FILENO, &c, 1) < 1) {
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if (errno == EINTR || errno == EIO)
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exit(EXIT_SUCCESS);
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bb_perror_msg_and_die("%s: read", op->tty);
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bb_perror_msg_and_die(bb_msg_read_error);
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}
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/* BREAK. If we have speeds to try,
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@ -490,7 +488,7 @@ static char *get_logname(char *logname, unsigned size_logname,
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if (ascval < ' ') {
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/* ignore garbage characters */
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} else if ((int)(bp - logname) >= size_logname - 1) {
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bb_error_msg_and_die("%s: input overrun", op->tty);
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bb_error_msg_and_die("input overrun");
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} else {
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full_write(STDOUT_FILENO, &c, 1); /* echo the character */
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*bp++ = ascval; /* and store it */
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@ -574,7 +572,7 @@ static void termios_final(struct options *op, struct termios *tp, struct chardat
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/* Finally, make the new settings effective */
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if (tcsetattr_stdin_TCSANOW(tp) < 0)
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bb_perror_msg_and_die("%s: tcsetattr", op->tty);
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bb_perror_msg_and_die("tcsetattr");
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}
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int getty_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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@ -652,7 +650,7 @@ int getty_main(int argc UNUSED_PARAM, char **argv)
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* 5 seconds seems to be a good value.
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*/
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if (tcgetattr(0, &termios) < 0)
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bb_perror_msg_and_die("%s: tcgetattr", options.tty);
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bb_perror_msg_and_die("tcgetattr");
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pid = getpid();
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#ifdef __linux__
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@ -733,5 +731,5 @@ int getty_main(int argc UNUSED_PARAM, char **argv)
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* and getty is not suid-root applet. */
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/* With -n, logname == NULL, and login will ask for username instead */
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BB_EXECLP(options.login, options.login, "--", logname, NULL);
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bb_error_msg_and_die("%s: can't exec %s", options.tty, options.login);
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bb_error_msg_and_die("can't execute '%s'", options.login);
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}
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