script: remove function prototypes
Signed-off-by: Sami Kerola <kerolasa@iki.fi>
This commit is contained in:
Sami Kerola
parent
6a40c65f81
commit
93af8d8bf3
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@ -80,18 +80,6 @@
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#define DEFAULT_OUTPUT "typescript"
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void sig_finish(int);
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void finish(int);
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void done(void);
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void fail(void);
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void resize(int);
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void fixtty(void);
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void getmaster(void);
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void getslave(void);
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void doinput(void);
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void dooutput(void);
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void doshell(void);
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char *shell;
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FILE *fscript;
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FILE *timingfd;
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@ -140,21 +128,7 @@ static inline time_t script_time(time_t *t)
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# define script_time(x) time(x)
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#endif
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static void
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die_if_link(char *fn) {
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struct stat s;
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if (forceflg)
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return;
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if (lstat(fn, &s) == 0 && (S_ISLNK(s.st_mode) || s.st_nlink > 1))
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errx(EXIT_FAILURE,
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_("output file `%s' is a link\n"
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"Use --force if you really want to use it.\n"
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"Program not started."), fn);
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}
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static void __attribute__((__noreturn__))
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usage(FILE *out)
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static void __attribute__((__noreturn__)) usage(FILE *out)
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{
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fputs(USAGE_HEADER, out);
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fprintf(out,
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@ -178,6 +152,422 @@ usage(FILE *out)
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exit(out == stderr ? EXIT_FAILURE : EXIT_SUCCESS);
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}
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static void die_if_link(char *fn)
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{
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struct stat s;
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if (forceflg)
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return;
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if (lstat(fn, &s) == 0 && (S_ISLNK(s.st_mode) || s.st_nlink > 1))
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errx(EXIT_FAILURE,
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_("output file `%s' is a link\n"
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"Use --force if you really want to use it.\n"
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"Program not started."), fn);
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}
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/*
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* Stop extremely silly gcc complaint on %c:
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* warning: `%c' yields only last 2 digits of year in some locales
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*/
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static void my_strftime(char *buf, size_t len, const char *fmt, const struct tm *tm)
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{
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strftime(buf, len, fmt, tm);
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}
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static void __attribute__((__noreturn__)) done(void)
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{
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time_t tvec;
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if (subchild) {
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/* output process */
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if (fscript) {
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if (!qflg) {
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char buf[BUFSIZ];
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tvec = time((time_t *)NULL);
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my_strftime(buf, sizeof buf, "%c\n", localtime(&tvec));
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fprintf(fscript, _("\nScript done on %s"), buf);
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}
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if (close_stream(fscript) != 0)
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errx(EXIT_FAILURE, _("write error"));
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fscript = NULL;
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}
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if (timingfd && close_stream(timingfd) != 0)
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errx(EXIT_FAILURE, _("write error"));
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timingfd = NULL;
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close(master);
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master = -1;
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} else {
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/* input process */
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if (isterm)
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tcsetattr(STDIN_FILENO, TCSADRAIN, &tt);
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if (!qflg)
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printf(_("Script done, file is %s\n"), fname);
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#ifdef HAVE_LIBUTEMPTER
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if (master >= 0)
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utempter_remove_record(master);
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#endif
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kill(child, SIGTERM); /* make sure we don't create orphans */
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}
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if(eflg) {
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if (WIFSIGNALED(childstatus))
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exit(WTERMSIG(childstatus) + 0x80);
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else
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exit(WEXITSTATUS(childstatus));
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}
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exit(EXIT_SUCCESS);
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}
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static void
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fail(void) {
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kill(0, SIGTERM);
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done();
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}
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static void wait_for_empty_fd(int fd)
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{
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struct pollfd fds[] = {
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{ .fd = fd, .events = POLLIN }
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};
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while (die == 0 && poll(fds, 1, 100) == 1);
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}
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static void finish(int wait)
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{
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int status;
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pid_t pid;
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int errsv = errno;
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int options = wait ? 0 : WNOHANG;
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while ((pid = wait3(&status, options, 0)) > 0)
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if (pid == child) {
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childstatus = status;
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die = 1;
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}
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errno = errsv;
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}
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static void doinput(void)
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{
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int errsv = 0;
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ssize_t cc = 0;
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char ibuf[BUFSIZ];
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fd_set readfds;
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/* close things irrelevant for this process */
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if (fscript)
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fclose(fscript);
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if (timingfd)
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fclose(timingfd);
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fscript = timingfd = NULL;
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FD_ZERO(&readfds);
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/* block SIGCHLD */
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sigprocmask(SIG_SETMASK, &block_mask, &unblock_mask);
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while (die == 0) {
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FD_SET(STDIN_FILENO, &readfds);
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errno = 0;
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/* wait for input or signal (including SIGCHLD) */
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if ((cc = pselect(STDIN_FILENO + 1, &readfds, NULL, NULL, NULL,
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&unblock_mask)) > 0) {
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if ((cc = read(STDIN_FILENO, ibuf, BUFSIZ)) > 0) {
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if (write_all(master, ibuf, cc)) {
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warn (_("write failed"));
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fail();
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}
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}
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}
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if (cc < 0 && errno == EINTR && resized)
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{
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/* transmit window change information to the child */
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if (isterm) {
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ioctl(STDIN_FILENO, TIOCGWINSZ, (char *)&win);
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ioctl(slave, TIOCSWINSZ, (char *)&win);
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}
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resized = 0;
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} else if (cc <= 0 && errno != EINTR) {
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errsv = errno;
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break;
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}
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}
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/* unblock SIGCHLD */
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sigprocmask(SIG_SETMASK, &unblock_mask, NULL);
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/* To be sure that we don't miss any data */
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wait_for_empty_fd(slave);
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wait_for_empty_fd(master);
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if (die == 0 && cc == 0 && errsv == 0) {
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/*
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* Forward EOF from stdin (detected by read() above) to slave
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* (shell) to correctly terminate the session. It seems we have
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* to wait for empty terminal FDs otherwise EOF maybe ignored
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* (why?) and typescript is incomplete. -- kzak Dec-2013
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*
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* We usually use this when stdin is not a tty, for example:
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* echo "ps" | script
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*/
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char c = DEF_EOF;
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if (write_all(master, &c, sizeof(char))) {
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warn (_("write failed"));
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fail();
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}
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/* wait for "exit" message from shell before we print "Script
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* done" in done() */
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wait_for_empty_fd(master);
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}
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if (!die)
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finish(1); /* wait for children */
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done();
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}
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static void sig_finish(int dummy __attribute__ ((__unused__)))
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{
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finish(0);
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}
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static void resize(int dummy __attribute__ ((__unused__)))
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{
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resized = 1;
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}
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static void dooutput(void)
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{
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ssize_t cc;
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char obuf[BUFSIZ];
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struct timeval tv;
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double oldtime=time(NULL), newtime;
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int errsv = 0;
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fd_set readfds;
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close(STDIN_FILENO);
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#ifdef HAVE_LIBUTIL
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close(slave);
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#endif
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if (tflg && !timingfd)
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timingfd = fdopen(STDERR_FILENO, "w");
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if (!qflg) {
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time_t tvec = script_time((time_t *)NULL);
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my_strftime(obuf, sizeof obuf, "%c\n", localtime(&tvec));
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fprintf(fscript, _("Script started on %s"), obuf);
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}
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FD_ZERO(&readfds);
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do {
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if (die || errsv == EINTR) {
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struct pollfd fds[] = {{ .fd = master, .events = POLLIN }};
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if (poll(fds, 1, 50) <= 0)
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break;
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}
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/* block SIGCHLD */
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sigprocmask(SIG_SETMASK, &block_mask, &unblock_mask);
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FD_SET(master, &readfds);
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errno = 0;
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/* wait for input or signal (including SIGCHLD) */
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if ((cc = pselect(master+1, &readfds, NULL, NULL, NULL,
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&unblock_mask)) > 0) {
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cc = read(master, obuf, sizeof (obuf));
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}
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errsv = errno;
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/* unblock SIGCHLD */
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sigprocmask(SIG_SETMASK, &unblock_mask, NULL);
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if (tflg)
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gettimeofday(&tv, NULL);
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if (errsv == EINTR && cc <= 0)
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continue; /* try it again */
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if (cc <= 0)
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break;
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if (tflg && timingfd) {
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newtime = tv.tv_sec + (double) tv.tv_usec / 1000000;
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fprintf(timingfd, "%f %zd\n", newtime - oldtime, cc);
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oldtime = newtime;
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}
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if (fwrite_all(obuf, 1, cc, fscript)) {
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warn (_("cannot write script file"));
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fail();
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}
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if (fflg) {
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fflush(fscript);
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if (tflg && timingfd)
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fflush(timingfd);
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}
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if (write_all(STDOUT_FILENO, obuf, cc)) {
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warn (_("write failed"));
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fail();
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}
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} while(1);
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done();
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}
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static void getslave(void)
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{
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#ifndef HAVE_LIBUTIL
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line[strlen("/dev/")] = 't';
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slave = open(line, O_RDWR);
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if (slave < 0) {
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warn(_("cannot open %s"), line);
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fail();
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}
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if (isterm) {
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tcsetattr(slave, TCSANOW, &tt);
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ioctl(slave, TIOCSWINSZ, (char *)&win);
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}
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#endif
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setsid();
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ioctl(slave, TIOCSCTTY, 0);
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}
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static void doshell(void)
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{
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char *shname;
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getslave();
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/* close things irrelevant for this process */
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close(master);
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if (fscript)
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fclose(fscript);
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if (timingfd)
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fclose(timingfd);
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fscript = timingfd = NULL;
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dup2(slave, STDIN_FILENO);
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dup2(slave, STDOUT_FILENO);
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dup2(slave, STDERR_FILENO);
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close(slave);
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master = -1;
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shname = strrchr(shell, '/');
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if (shname)
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shname++;
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else
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shname = shell;
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/*
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* When invoked from within /etc/csh.login, script spawns a csh shell
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* that spawns programs that cannot be killed with a SIGTERM. This is
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* because csh has a documented behavior wherein it disables all
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* signals when processing the /etc/csh.* files.
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*
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* Let's restore the default behavior.
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*/
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signal(SIGTERM, SIG_DFL);
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if (access(shell, X_OK) == 0) {
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if (cflg)
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execl(shell, shname, "-c", cflg, NULL);
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else
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execl(shell, shname, "-i", NULL);
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} else {
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if (cflg)
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execlp(shname, "-c", cflg, NULL);
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else
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execlp(shname, "-i", NULL);
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}
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warn(_("failed to execute %s"), shell);
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fail();
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}
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static void fixtty(void)
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{
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struct termios rtt;
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if (!isterm)
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return;
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rtt = tt;
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cfmakeraw(&rtt);
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rtt.c_lflag &= ~ECHO;
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tcsetattr(STDIN_FILENO, TCSANOW, &rtt);
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}
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static void getmaster(void)
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{
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#if defined(HAVE_LIBUTIL) && defined(HAVE_PTY_H)
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int rc;
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isterm = isatty(STDIN_FILENO);
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if (isterm) {
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if (tcgetattr(STDIN_FILENO, &tt) != 0)
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err(EXIT_FAILURE, _("failed to get terminal attributes"));
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ioctl(STDIN_FILENO, TIOCGWINSZ, (char *) &win);
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rc = openpty(&master, &slave, NULL, &tt, &win);
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} else
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rc = openpty(&master, &slave, NULL, NULL, NULL);
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if (rc < 0) {
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warn(_("openpty failed"));
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fail();
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}
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#else
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char *pty, *bank, *cp;
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struct stat stb;
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isterm = isatty(STDIN_FILENO);
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pty = &line[strlen("/dev/ptyp")];
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for (bank = "pqrs"; *bank; bank++) {
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line[strlen("/dev/pty")] = *bank;
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*pty = '0';
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if (stat(line, &stb) < 0)
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break;
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for (cp = "0123456789abcdef"; *cp; cp++) {
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*pty = *cp;
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master = open(line, O_RDWR);
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if (master >= 0) {
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char *tp = &line[strlen("/dev/")];
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int ok;
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/* verify slave side is usable */
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*tp = 't';
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ok = access(line, R_OK|W_OK) == 0;
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*tp = 'p';
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if (ok) {
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if (isterm) {
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tcgetattr(STDIN_FILENO, &tt);
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ioctl(STDIN_FILENO, TIOCGWINSZ,
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(char *)&win);
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}
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return;
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}
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close(master);
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master = -1;
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}
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}
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}
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master = -1;
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warn(_("out of pty's"));
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fail();
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#endif /* not HAVE_LIBUTIL */
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}
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/*
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* script -t prints time delays as floating point numbers
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* The example program (scriptreplay) that we provide to handle this
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@ -186,9 +576,8 @@ usage(FILE *out)
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* So, since these numbers are not for human consumption, it seems
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* easiest to set LC_NUMERIC here.
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*/
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int
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main(int argc, char **argv) {
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int main(int argc, char **argv)
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{
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struct sigaction sa;
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int ch;
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@ -317,405 +706,3 @@ main(int argc, char **argv) {
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return EXIT_SUCCESS;
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}
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static void wait_for_empty_fd(int fd)
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{
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struct pollfd fds[] = {
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{ .fd = fd, .events = POLLIN }
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};
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while (die == 0 && poll(fds, 1, 100) == 1);
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}
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void
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doinput(void) {
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int errsv = 0;
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ssize_t cc = 0;
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char ibuf[BUFSIZ];
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fd_set readfds;
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/* close things irrelevant for this process */
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if (fscript)
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fclose(fscript);
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if (timingfd)
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fclose(timingfd);
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fscript = timingfd = NULL;
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FD_ZERO(&readfds);
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/* block SIGCHLD */
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sigprocmask(SIG_SETMASK, &block_mask, &unblock_mask);
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while (die == 0) {
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FD_SET(STDIN_FILENO, &readfds);
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errno = 0;
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/* wait for input or signal (including SIGCHLD) */
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if ((cc = pselect(STDIN_FILENO + 1, &readfds, NULL, NULL, NULL,
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&unblock_mask)) > 0) {
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if ((cc = read(STDIN_FILENO, ibuf, BUFSIZ)) > 0) {
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if (write_all(master, ibuf, cc)) {
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warn (_("write failed"));
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fail();
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}
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}
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}
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|
||||
if (cc < 0 && errno == EINTR && resized)
|
||||
{
|
||||
/* transmit window change information to the child */
|
||||
if (isterm) {
|
||||
ioctl(STDIN_FILENO, TIOCGWINSZ, (char *)&win);
|
||||
ioctl(slave, TIOCSWINSZ, (char *)&win);
|
||||
}
|
||||
resized = 0;
|
||||
|
||||
} else if (cc <= 0 && errno != EINTR) {
|
||||
errsv = errno;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/* unblock SIGCHLD */
|
||||
sigprocmask(SIG_SETMASK, &unblock_mask, NULL);
|
||||
|
||||
/* To be sure that we don't miss any data */
|
||||
wait_for_empty_fd(slave);
|
||||
wait_for_empty_fd(master);
|
||||
|
||||
if (die == 0 && cc == 0 && errsv == 0) {
|
||||
/*
|
||||
* Forward EOF from stdin (detected by read() above) to slave
|
||||
* (shell) to correctly terminate the session. It seems we have
|
||||
* to wait for empty terminal FDs otherwise EOF maybe ignored
|
||||
* (why?) and typescript is incomplete. -- kzak Dec-2013
|
||||
*
|
||||
* We usually use this when stdin is not a tty, for example:
|
||||
* echo "ps" | script
|
||||
*/
|
||||
char c = DEF_EOF;
|
||||
|
||||
if (write_all(master, &c, sizeof(char))) {
|
||||
warn (_("write failed"));
|
||||
fail();
|
||||
}
|
||||
|
||||
/* wait for "exit" message from shell before we print "Script
|
||||
* done" in done() */
|
||||
wait_for_empty_fd(master);
|
||||
}
|
||||
|
||||
if (!die)
|
||||
finish(1); /* wait for children */
|
||||
done();
|
||||
}
|
||||
|
||||
void
|
||||
finish(int wait) {
|
||||
int status;
|
||||
pid_t pid;
|
||||
int errsv = errno;
|
||||
int options = wait ? 0 : WNOHANG;
|
||||
|
||||
while ((pid = wait3(&status, options, 0)) > 0)
|
||||
if (pid == child) {
|
||||
childstatus = status;
|
||||
die = 1;
|
||||
}
|
||||
|
||||
errno = errsv;
|
||||
}
|
||||
|
||||
void
|
||||
sig_finish(int dummy __attribute__ ((__unused__))) {
|
||||
finish(0);
|
||||
}
|
||||
|
||||
void
|
||||
resize(int dummy __attribute__ ((__unused__))) {
|
||||
resized = 1;
|
||||
}
|
||||
|
||||
/*
|
||||
* Stop extremely silly gcc complaint on %c:
|
||||
* warning: `%c' yields only last 2 digits of year in some locales
|
||||
*/
|
||||
static void
|
||||
my_strftime(char *buf, size_t len, const char *fmt, const struct tm *tm) {
|
||||
strftime(buf, len, fmt, tm);
|
||||
}
|
||||
|
||||
void
|
||||
dooutput(void) {
|
||||
ssize_t cc;
|
||||
char obuf[BUFSIZ];
|
||||
struct timeval tv;
|
||||
double oldtime=time(NULL), newtime;
|
||||
int errsv = 0;
|
||||
fd_set readfds;
|
||||
|
||||
close(STDIN_FILENO);
|
||||
#ifdef HAVE_LIBUTIL
|
||||
close(slave);
|
||||
#endif
|
||||
if (tflg && !timingfd)
|
||||
timingfd = fdopen(STDERR_FILENO, "w");
|
||||
|
||||
if (!qflg) {
|
||||
time_t tvec = script_time((time_t *)NULL);
|
||||
my_strftime(obuf, sizeof obuf, "%c\n", localtime(&tvec));
|
||||
fprintf(fscript, _("Script started on %s"), obuf);
|
||||
}
|
||||
|
||||
FD_ZERO(&readfds);
|
||||
|
||||
do {
|
||||
if (die || errsv == EINTR) {
|
||||
struct pollfd fds[] = {{ .fd = master, .events = POLLIN }};
|
||||
if (poll(fds, 1, 50) <= 0)
|
||||
break;
|
||||
}
|
||||
|
||||
/* block SIGCHLD */
|
||||
sigprocmask(SIG_SETMASK, &block_mask, &unblock_mask);
|
||||
|
||||
FD_SET(master, &readfds);
|
||||
errno = 0;
|
||||
|
||||
/* wait for input or signal (including SIGCHLD) */
|
||||
if ((cc = pselect(master+1, &readfds, NULL, NULL, NULL,
|
||||
&unblock_mask)) > 0) {
|
||||
|
||||
cc = read(master, obuf, sizeof (obuf));
|
||||
}
|
||||
errsv = errno;
|
||||
|
||||
/* unblock SIGCHLD */
|
||||
sigprocmask(SIG_SETMASK, &unblock_mask, NULL);
|
||||
|
||||
if (tflg)
|
||||
gettimeofday(&tv, NULL);
|
||||
|
||||
if (errsv == EINTR && cc <= 0)
|
||||
continue; /* try it again */
|
||||
if (cc <= 0)
|
||||
break;
|
||||
if (tflg && timingfd) {
|
||||
newtime = tv.tv_sec + (double) tv.tv_usec / 1000000;
|
||||
fprintf(timingfd, "%f %zd\n", newtime - oldtime, cc);
|
||||
oldtime = newtime;
|
||||
}
|
||||
if (fwrite_all(obuf, 1, cc, fscript)) {
|
||||
warn (_("cannot write script file"));
|
||||
fail();
|
||||
}
|
||||
if (fflg) {
|
||||
fflush(fscript);
|
||||
if (tflg && timingfd)
|
||||
fflush(timingfd);
|
||||
}
|
||||
if (write_all(STDOUT_FILENO, obuf, cc)) {
|
||||
warn (_("write failed"));
|
||||
fail();
|
||||
}
|
||||
} while(1);
|
||||
|
||||
done();
|
||||
}
|
||||
|
||||
void
|
||||
doshell(void) {
|
||||
char *shname;
|
||||
|
||||
getslave();
|
||||
|
||||
/* close things irrelevant for this process */
|
||||
close(master);
|
||||
if (fscript)
|
||||
fclose(fscript);
|
||||
if (timingfd)
|
||||
fclose(timingfd);
|
||||
fscript = timingfd = NULL;
|
||||
|
||||
dup2(slave, STDIN_FILENO);
|
||||
dup2(slave, STDOUT_FILENO);
|
||||
dup2(slave, STDERR_FILENO);
|
||||
close(slave);
|
||||
|
||||
master = -1;
|
||||
|
||||
shname = strrchr(shell, '/');
|
||||
if (shname)
|
||||
shname++;
|
||||
else
|
||||
shname = shell;
|
||||
|
||||
/*
|
||||
* When invoked from within /etc/csh.login, script spawns a csh shell
|
||||
* that spawns programs that cannot be killed with a SIGTERM. This is
|
||||
* because csh has a documented behavior wherein it disables all
|
||||
* signals when processing the /etc/csh.* files.
|
||||
*
|
||||
* Let's restore the default behavior.
|
||||
*/
|
||||
signal(SIGTERM, SIG_DFL);
|
||||
|
||||
if (access(shell, X_OK) == 0) {
|
||||
if (cflg)
|
||||
execl(shell, shname, "-c", cflg, NULL);
|
||||
else
|
||||
execl(shell, shname, "-i", NULL);
|
||||
} else {
|
||||
if (cflg)
|
||||
execlp(shname, "-c", cflg, NULL);
|
||||
else
|
||||
execlp(shname, "-i", NULL);
|
||||
}
|
||||
warn(_("failed to execute %s"), shell);
|
||||
fail();
|
||||
}
|
||||
|
||||
void
|
||||
fixtty(void) {
|
||||
struct termios rtt;
|
||||
|
||||
if (!isterm)
|
||||
return;
|
||||
|
||||
rtt = tt;
|
||||
cfmakeraw(&rtt);
|
||||
rtt.c_lflag &= ~ECHO;
|
||||
tcsetattr(STDIN_FILENO, TCSANOW, &rtt);
|
||||
}
|
||||
|
||||
void
|
||||
fail(void) {
|
||||
|
||||
kill(0, SIGTERM);
|
||||
done();
|
||||
}
|
||||
|
||||
void __attribute__((__noreturn__))
|
||||
done(void) {
|
||||
time_t tvec;
|
||||
|
||||
if (subchild) {
|
||||
/* output process */
|
||||
if (fscript) {
|
||||
if (!qflg) {
|
||||
char buf[BUFSIZ];
|
||||
tvec = script_time((time_t *)NULL);
|
||||
my_strftime(buf, sizeof buf, "%c\n", localtime(&tvec));
|
||||
fprintf(fscript, _("\nScript done on %s"), buf);
|
||||
}
|
||||
if (close_stream(fscript) != 0)
|
||||
errx(EXIT_FAILURE, _("write error"));
|
||||
fscript = NULL;
|
||||
}
|
||||
if (timingfd && close_stream(timingfd) != 0)
|
||||
errx(EXIT_FAILURE, _("write error"));
|
||||
timingfd = NULL;
|
||||
|
||||
close(master);
|
||||
master = -1;
|
||||
} else {
|
||||
/* input process */
|
||||
if (isterm)
|
||||
tcsetattr(STDIN_FILENO, TCSADRAIN, &tt);
|
||||
if (!qflg)
|
||||
printf(_("Script done, file is %s\n"), fname);
|
||||
#ifdef HAVE_LIBUTEMPTER
|
||||
if (master >= 0)
|
||||
utempter_remove_record(master);
|
||||
#endif
|
||||
kill(child, SIGTERM); /* make sure we don't create orphans */
|
||||
}
|
||||
|
||||
if(eflg) {
|
||||
if (WIFSIGNALED(childstatus))
|
||||
exit(WTERMSIG(childstatus) + 0x80);
|
||||
else
|
||||
exit(WEXITSTATUS(childstatus));
|
||||
}
|
||||
exit(EXIT_SUCCESS);
|
||||
}
|
||||
|
||||
void
|
||||
getmaster(void) {
|
||||
#if defined(HAVE_LIBUTIL) && defined(HAVE_PTY_H)
|
||||
int rc;
|
||||
|
||||
isterm = isatty(STDIN_FILENO);
|
||||
|
||||
if (isterm) {
|
||||
if (tcgetattr(STDIN_FILENO, &tt) != 0)
|
||||
err(EXIT_FAILURE, _("failed to get terminal attributes"));
|
||||
ioctl(STDIN_FILENO, TIOCGWINSZ, (char *) &win);
|
||||
rc = openpty(&master, &slave, NULL, &tt, &win);
|
||||
} else
|
||||
rc = openpty(&master, &slave, NULL, NULL, NULL);
|
||||
|
||||
if (rc < 0) {
|
||||
warn(_("openpty failed"));
|
||||
fail();
|
||||
}
|
||||
#else
|
||||
char *pty, *bank, *cp;
|
||||
struct stat stb;
|
||||
|
||||
isterm = isatty(STDIN_FILENO);
|
||||
|
||||
pty = &line[strlen("/dev/ptyp")];
|
||||
for (bank = "pqrs"; *bank; bank++) {
|
||||
line[strlen("/dev/pty")] = *bank;
|
||||
*pty = '0';
|
||||
if (stat(line, &stb) < 0)
|
||||
break;
|
||||
for (cp = "0123456789abcdef"; *cp; cp++) {
|
||||
*pty = *cp;
|
||||
master = open(line, O_RDWR);
|
||||
if (master >= 0) {
|
||||
char *tp = &line[strlen("/dev/")];
|
||||
int ok;
|
||||
|
||||
/* verify slave side is usable */
|
||||
*tp = 't';
|
||||
ok = access(line, R_OK|W_OK) == 0;
|
||||
*tp = 'p';
|
||||
if (ok) {
|
||||
if (isterm) {
|
||||
tcgetattr(STDIN_FILENO, &tt);
|
||||
ioctl(STDIN_FILENO, TIOCGWINSZ,
|
||||
(char *)&win);
|
||||
}
|
||||
return;
|
||||
}
|
||||
close(master);
|
||||
master = -1;
|
||||
}
|
||||
}
|
||||
}
|
||||
master = -1;
|
||||
warn(_("out of pty's"));
|
||||
fail();
|
||||
#endif /* not HAVE_LIBUTIL */
|
||||
}
|
||||
|
||||
void
|
||||
getslave(void) {
|
||||
#ifndef HAVE_LIBUTIL
|
||||
line[strlen("/dev/")] = 't';
|
||||
slave = open(line, O_RDWR);
|
||||
if (slave < 0) {
|
||||
warn(_("cannot open %s"), line);
|
||||
fail();
|
||||
}
|
||||
if (isterm) {
|
||||
tcsetattr(slave, TCSANOW, &tt);
|
||||
ioctl(slave, TIOCSWINSZ, (char *)&win);
|
||||
}
|
||||
#endif
|
||||
setsid();
|
||||
ioctl(slave, TIOCSCTTY, 0);
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue