* Copyright 2008, Ingo Weinhold, ingo_weinhold@gmx.de. All rights reserved.
* Distributed under the terms of the MIT License.
*/
#include <stdlib.h>
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <SupportDefs.h>
#include <tty.h>
int
posix_openpt(int openFlags)
{
return open("/dev/ptmx", openFlags);
}
int
grantpt(int masterFD)
{
return ioctl(masterFD, B_IOCTL_GRANT_TTY);
}
int
ptsname_r(int masterFD, char* name, size_t namesize)
{
int32 index;
if (ioctl(masterFD, B_IOCTL_GET_TTY_INDEX, &index, sizeof(index)) < 0)
return errno;
if (name == NULL)
return EINVAL;
char letter = 'p';
int length = snprintf(name, namesize, "/dev/tt/%c%" B_PRIx32, char(letter + index / 16),
index % 16);
return (length + 1) > (int)namesize ? ERANGE : 0;
}
char*
ptsname(int masterFD)
{
static char buffer[32];
errno = ptsname_r(masterFD, buffer, sizeof(buffer));
if (errno != 0 && errno != ERANGE)
return NULL;
return buffer;
}
int
unlockpt(int masterFD)
{
return 0;
}
