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 -}  | 
