diff options
author | John Baldwin <jhb@FreeBSD.org> | 2008-01-15 15:36:23 +0000 |
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committer | John Baldwin <jhb@FreeBSD.org> | 2008-01-15 15:36:23 +0000 |
commit | c50897c392fcf6f4981cd71d3b06f5db6823a1c1 (patch) | |
tree | 2ef3657765b0fa0ac5fa3d86db0f76bd8e1b8496 /lib/libutil/pty.c | |
parent | 93143d572ab5c6b6c042bfbb0c4da3706a06de84 (diff) | |
download | src-c50897c392fcf6f4981cd71d3b06f5db6823a1c1.tar.gz src-c50897c392fcf6f4981cd71d3b06f5db6823a1c1.zip |
Notes
Diffstat (limited to 'lib/libutil/pty.c')
-rw-r--r-- | lib/libutil/pty.c | 58 |
1 files changed, 3 insertions, 55 deletions
diff --git a/lib/libutil/pty.c b/lib/libutil/pty.c index 1fe8be247207..15f258b844cd 100644 --- a/lib/libutil/pty.c +++ b/lib/libutil/pty.c @@ -49,10 +49,8 @@ static char sccsid[] = "@(#)pty.c 8.3 (Berkeley) 5/16/94"; #include <termios.h> #include <unistd.h> -int __use_pts(void); - -static int -new_openpty(int *amaster, int *aslave, char *name, struct termios *termp, +int +openpty(int *amaster, int *aslave, char *name, struct termios *termp, struct winsize *winp) { const char *slavename; @@ -94,7 +92,7 @@ new_openpty(int *amaster, int *aslave, char *name, struct termios *termp, *aslave = slave; if (name) - strcpy(name, ptsname(master)); + strcpy(name, slavename); if (termp) tcsetattr(slave, TCSAFLUSH, termp); if (winp) @@ -104,56 +102,6 @@ new_openpty(int *amaster, int *aslave, char *name, struct termios *termp, } int -openpty(int *amaster, int *aslave, char *name, struct termios *termp, struct winsize *winp) -{ - char line[] = "/dev/ptyXX"; - const char *cp1, *cp2; - int master, slave, ttygid; - struct group *gr; - - if (__use_pts()) - return (new_openpty(amaster, aslave, name, termp, winp)); - - if ((gr = getgrnam("tty")) != NULL) - ttygid = gr->gr_gid; - else - ttygid = -1; - - for (cp1 = "pqrsPQRSlmnoLMNO"; *cp1; cp1++) { - line[8] = *cp1; - for (cp2 = "0123456789abcdefghijklmnopqrstuv"; *cp2; cp2++) { - line[5] = 'p'; - line[9] = *cp2; - if ((master = open(line, O_RDWR, 0)) == -1) { - if (errno == ENOENT) - break; /* try the next pty group */ - } else { - line[5] = 't'; - (void) chown(line, getuid(), ttygid); - (void) chmod(line, S_IRUSR|S_IWUSR|S_IWGRP); - (void) revoke(line); - if ((slave = open(line, O_RDWR, 0)) != -1) { - *amaster = master; - *aslave = slave; - if (name) - strcpy(name, line); - if (termp) - (void) tcsetattr(slave, - TCSAFLUSH, termp); - if (winp) - (void) ioctl(slave, TIOCSWINSZ, - (char *)winp); - return (0); - } - (void) close(master); - } - } - } - errno = ENOENT; /* out of ptys */ - return (-1); -} - -int forkpty(int *amaster, char *name, struct termios *termp, struct winsize *winp) { int master, slave, pid; |