Add ttyname_r(3).
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@ -532,6 +532,7 @@ unistd/tfork.o \
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unistd/truncateat.o \
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unistd/truncateat.o \
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unistd/truncate.o \
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unistd/truncate.o \
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unistd/ttyname.o \
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unistd/ttyname.o \
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unistd/ttyname_r.o \
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unistd/unlinkat.o \
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unistd/unlinkat.o \
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unistd/unlink.o \
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unistd/unlink.o \
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unistd/usleep.o \
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unistd/usleep.o \
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@ -1,6 +1,6 @@
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/*******************************************************************************
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/*******************************************************************************
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Copyright(C) Jonas 'Sortie' Termansen 2011, 2012, 2013.
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Copyright(C) Jonas 'Sortie' Termansen 2011, 2012, 2013, 2014.
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This file is part of the Sortix C Library.
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This file is part of the Sortix C Library.
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@ -320,7 +320,6 @@ int setreuid(uid_t, uid_t);
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pid_t setsid(void);
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pid_t setsid(void);
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void swab(const void* __restrict, void* __restrict, ssize_t);
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void swab(const void* __restrict, void* __restrict, ssize_t);
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void sync(void);
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void sync(void);
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int ttyname_r(int, char*, size_t);
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#endif
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#endif
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int access(const char*, int);
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int access(const char*, int);
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@ -390,6 +389,7 @@ int tcsetpgrp(int, pid_t);
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int truncate(const char*, off_t);
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int truncate(const char*, off_t);
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int truncateat(int dirfd, const char*, off_t);
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int truncateat(int dirfd, const char*, off_t);
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char* ttyname(int);
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char* ttyname(int);
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int ttyname_r(int, char*, size_t);
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int usleep(useconds_t useconds);
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int usleep(useconds_t useconds);
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int unlinkat(int, const char*, int);
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int unlinkat(int, const char*, int);
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int unlink(const char*);
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int unlink(const char*);
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@ -1,6 +1,6 @@
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/*******************************************************************************
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/*******************************************************************************
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Copyright(C) Jonas 'Sortie' Termansen 2013.
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Copyright(C) Jonas 'Sortie' Termansen 2013, 2014.
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This file is part of the Sortix C Library.
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This file is part of the Sortix C Library.
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@ -18,13 +18,28 @@
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along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
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along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
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unistd/ttyname.cpp
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unistd/ttyname.cpp
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Returns the name of a terminal.
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Returns the pathname of a terminal.
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*******************************************************************************/
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*******************************************************************************/
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#include <errno.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <unistd.h>
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extern "C" char* ttyname(int fd)
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extern "C" char* ttyname(int fd)
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{
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{
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return isatty(fd) ? (char*) "/dev/tty" : NULL;
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static char* result = NULL;
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static size_t result_size = 0;
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while ( ttyname_r(fd, result, result_size) < 0 )
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{
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if ( errno != ERANGE )
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return NULL;
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size_t new_result_size = result_size ? 2 * result_size : 16;
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char* new_result = (char*) realloc(result, new_result_size);
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if ( !new_result )
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return NULL;
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result = new_result;
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result_size = new_result_size;
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}
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return result;
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}
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}
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@ -0,0 +1,38 @@
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/*******************************************************************************
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Copyright(C) Jonas 'Sortie' Termansen 2013, 2014.
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This file is part of the Sortix C Library.
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The Sortix C Library is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or (at your
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option) any later version.
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The Sortix C Library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
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unistd/ttyname_r.cpp
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Returns the pathname of a terminal.
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*******************************************************************************/
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#include <errno.h>
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#include <string.h>
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#include <unistd.h>
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extern "C" int ttyname_r(int fd, char* path, size_t path_size)
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{
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if ( isatty(fd) < 1 )
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return -1;
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const char* result = "/dev/tty";
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size_t result_length = strlen(result);
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if ( result_length + 1 < path_size )
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return errno = ERANGE, -1;
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return strcpy(path, result), 0;
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}
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