Commit 1f742d52 authored by Jonas Termansen's avatar Jonas Termansen

Add ptsname(3).

parent 88de6948
......@@ -537,6 +537,7 @@ stdlib/mkstemp.o \
stdlib/mkstemps.o \
stdlib/on_exit.o \
stdlib/posix_openpt.o \
stdlib/ptsname.o \
stdlib/rand.o \
stdlib/realpath.o \
stdlib/setenv.o \
......
......@@ -158,7 +158,6 @@ long lrand48(void);
long mrand48(void);
long nrand48(unsigned short[3]);
int posix_memalign(void**, size_t, size_t);
char* ptsname(int);
long random(void);
int rand_r(unsigned *);
unsigned short *seed48(unsigned short [3]);
......@@ -171,6 +170,7 @@ void srandom(unsigned);
#if __USE_SORTIX || __USE_XOPEN
int grantpt(int);
int unlockpt(int);
char* ptsname(int);
#endif
#if __USE_SORTIX || 600 <= __USE_XOPEN
......
/*
* Copyright (c) 2016 Jonas 'Sortie' Termansen.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* unistd/ptsname.c
* Returns the path of a pseudoterminal master's slave.
*/
#include <sys/ioctl.h>
#include <limits.h>
#include <stdlib.h>
#if !defined(TTY_NAME_MAX)
#include <sortix/limits.h>
#endif
char* ptsname(int fd)
{
static char name[TTY_NAME_MAX+1];
name[0] = '/';
name[1] = 'd';
name[2] = 'e';
name[3] = 'v';
name[4] = '/';
if ( ioctl(fd, TIOCGNAME, name + 5) < 0 )
return NULL;
return name;
}
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