Re: [dwm] st on OpenBSD

[Matthias-Christian Ott]

James Turner <[EMAIL PROTECTED]> wrote:

> Has anyone tried to run st on OpenBSD?  OpenBSD doesn't support the
> posix_openpt functions, I was wondering if anyone has tried to implement
> openpty(3) instead?

For the new version of st I implemented platform-independent pty
handling. I attached the file.

Regards
Matthias-Christian

/* See LICENSE file for copyright and license details. */
#include "util.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdlib.h>
#if !(_POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600)
#include <pty.h>
#endif

extern int ptm, pts;

void
getpty(void) {
        char *ptsdev;

#if defined(_GNU_SOURCE)
        ptm = getpt();
#elif _POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600
        ptm = posix_openpt(O_RDWR);
#else
        ptm = open("/dev/ptmx", O_RDWR);
        if(ptm == -1)
                if(openpty(&ptm, &pts, NULL, NULL, NULL) == -1)
                        eprintn("error, cannot open pty");
#endif
#if defined(_XOPEN_SOURCE)
        if(ptm != -1) {
                if(grantpt(ptm) == -1)
                        eprintn("error, cannot grant access to pty");
                if(unlockpt(ptm) == -1)
                        eprintn("error, cannot unlock pty");
                ptsdev = ptsname(ptm);
                if(!ptsdev)
                        eprintn("error, slave pty name undefined");
                pts = open(ptsdev, O_RDWR);
                if(pts == -1)
                        eprintn("error, cannot open slave pty");
        }
        else
                eprintn("error, cannot open pty");
#endif
}