diff options
Diffstat (limited to 'pty.c')
-rw-r--r-- | pty.c | 42 |
1 files changed, 0 insertions, 42 deletions
@@ -1,42 +0,0 @@ -/* See LICENSE file for copyright and license details. */ -#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) - err(EXIT_FAILURE, "cannot open pty"); -#endif -#if defined(_XOPEN_SOURCE) - if(ptm != -1) { - if(grantpt(ptm) == -1) - err(EXIT_FAILURE, "cannot grant access to pty"); - if(unlockpt(ptm) == -1) - err(EXIT_FAILURE, "cannot unlock pty"); - ptsdev = ptsname(ptm); - if(!ptsdev) - err(EXIT_FAILURE, "slave pty name undefined"); - pts = open(ptsdev, O_RDWR); - if(pts == -1) - err(EXIT_FAILURE, "cannot open slave pty"); - } - else - err(EXIT_FAILURE, "cannot open pty"); -#endif -} |