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    commit e2ac1676b10e71dcc2c11614637ea8f00d3ba9a1
    parent 375efb8891a2d131d46f1582fd770d34464094e0
    Author: Matthias-Christian Ott <ott@enolink.de>
    Date:   Mon,  2 Jun 2008 18:40:22 +0200

    drop support for proprietary UNIX variants

    Proprietary UNIX variants like AIX, HP-UX or SCO UNIX
    are nowadays rarely used and maintaining compatibility to
    non-standard operating systems interfaces is wasteful and
    practically useless.

    Projects like xterm suffer from backward compatibility to decades-old
    UNIX variants and terminal standards. This does not conform to st's
    design goals.
    Diffstat:
    Mstd.c | 18++----------------

    1 file changed, 2 insertions(+), 16 deletions(-)
    diff --git a/std.c b/std.c
    @@ -107,45 +107,31 @@ getpty(void) {
     	ptm = getpt();
     #elif _POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600
     	ptm = posix_openpt(O_RDWR);
    -#elif defined(__sgi)
    -	ttydev = _getpty(&ptm, O_RDWR, 0622, 0);
    -#elif defined(_AIX)
    -	ptm = open("/dev/ptc", O_RDWR);
     #else
     	ptm = open("/dev/ptmx", O_RDWR);
    -#if defined(__hpux)
    -	if(ptm == -1)
    -		ptm = open("/dev/ptym/clone", O_RDWR);
    -#endif
     	if(ptm == -1) {
     		if(openpty(&ptm, &pts, NULL, NULL, NULL) == -1)
     			eprintn("error, cannot open pty");
     		return;
     	}
     #endif
    +#if defined(_XOPEN_SOURCE)
     	if(ptm != -1) {
    -#if defined(_XOPEN_SOURCE) || !defined(__sgi) || !defined(_AIX)
     		if(grantpt(ptm) == -1)
     			eprintn("error, cannot grant access to pty");
     		if(unlockpt(ptm) == -1)
     			eprintn("error, cannot unlock pty");
     		ptsdev = ptsname(ptm);
    -#elif defined(_AIX)
    -		ptsdev = ttyname(ptm);
    -#endif
     		if(!ptsdev)
     			eprintn("error, slave pty name undefined");
     		pts = open(ptsdev, O_RDWR);
     		if(pts == -1)
     			eprintn("error, cannot open slave pty");
     		puts(ptsdev);
    -#if defined(__hpux) || defined(sun) || defined(__sun)
    -		ioctl(pts, I_PUSH, "ptem");
    -		ioctl(pts, I_PUSH, "ldterm");
    -#endif
     	}
     	else
     		eprintn("error, cannot open pty");
    +#endif
     }

     void