octave-shane/gnulib-hg: lib/ttyname

annotate lib/ttyname_r.c @ 15727:144db791c6fa

Ensure EBADF returns for socket functions on mingw. * lib/accept.c (rpl_accept): Fail with error EBADF if the file descriptor is invalid. * lib/bind.c (rpl_bind): Likewise. * lib/connect.c (rpl_connect): Likewise. * lib/getpeername.c (rpl_getpeername): Likewise. * lib/getsockname.c (rpl_getsockname): Likewise. * lib/getsockopt.c (rpl_getsockopt): Likewise. * lib/listen.c (rpl_listen): Likewise. * lib/recv.c (rpl_recv): Likewise. * lib/recvfrom.c (rpl_recvfrom): Likewise. * lib/send.c (rpl_send): Likewise. * lib/sendto.c (rpl_sendto): Likewise. * lib/setsockopt.c (rpl_setsockopt): Likewise. * lib/shutdown.c (rpl_shutdown): Likewise.

author	Bruno Haible <bruno@clisp.org>
date	Wed, 21 Sep 2011 00:20:59 +0200
parents	97fc9a21a8fb
children	8250f2777afc

rev	line source
13023 953c5d14818b New module 'ttyname_r'. Bruno Haible <bruno@clisp.org> parents: diff changeset	1 /* Determine name of a terminal.
953c5d14818b New module 'ttyname_r'. Bruno Haible <bruno@clisp.org> parents: diff changeset	2
14079 97fc9a21a8fb maint: update almost all copyright ranges to include 2011 Jim Meyering <meyering@redhat.com> parents: 13996 diff changeset	3 Copyright (C) 2010-2011 Free Software Foundation, Inc.
13023 953c5d14818b New module 'ttyname_r'. Bruno Haible <bruno@clisp.org> parents: diff changeset	4
953c5d14818b New module 'ttyname_r'. Bruno Haible <bruno@clisp.org> parents: diff changeset	5 This program is free software: you can redistribute it and/or modify
953c5d14818b New module 'ttyname_r'. Bruno Haible <bruno@clisp.org> parents: diff changeset	6 it under the terms of the GNU General Public License as published by
953c5d14818b New module 'ttyname_r'. Bruno Haible <bruno@clisp.org> parents: diff changeset	7 the Free Software Foundation; either version 3 of the License, or
953c5d14818b New module 'ttyname_r'. Bruno Haible <bruno@clisp.org> parents: diff changeset	8 (at your option) any later version.
953c5d14818b New module 'ttyname_r'. Bruno Haible <bruno@clisp.org> parents: diff changeset	9
953c5d14818b New module 'ttyname_r'. Bruno Haible <bruno@clisp.org> parents: diff changeset	10 This program is distributed in the hope that it will be useful,
953c5d14818b New module 'ttyname_r'. Bruno Haible <bruno@clisp.org> parents: diff changeset	11 but WITHOUT ANY WARRANTY; without even the implied warranty of
953c5d14818b New module 'ttyname_r'. Bruno Haible <bruno@clisp.org> parents: diff changeset	12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
953c5d14818b New module 'ttyname_r'. Bruno Haible <bruno@clisp.org> parents: diff changeset	13 GNU General Public License for more details.
953c5d14818b New module 'ttyname_r'. Bruno Haible <bruno@clisp.org> parents: diff changeset	14
953c5d14818b New module 'ttyname_r'. Bruno Haible <bruno@clisp.org> parents: diff changeset	15 You should have received a copy of the GNU General Public License
953c5d14818b New module 'ttyname_r'. Bruno Haible <bruno@clisp.org> parents: diff changeset	16 along with this program. If not, see <http://www.gnu.org/licenses/>. */
953c5d14818b New module 'ttyname_r'. Bruno Haible <bruno@clisp.org> parents: diff changeset	17
953c5d14818b New module 'ttyname_r'. Bruno Haible <bruno@clisp.org> parents: diff changeset	18 /* Written by Bruno Haible <bruno@clisp.org>, 2010. */
953c5d14818b New module 'ttyname_r'. Bruno Haible <bruno@clisp.org> parents: diff changeset	19
953c5d14818b New module 'ttyname_r'. Bruno Haible <bruno@clisp.org> parents: diff changeset	20 #include <config.h>
953c5d14818b New module 'ttyname_r'. Bruno Haible <bruno@clisp.org> parents: diff changeset	21
953c5d14818b New module 'ttyname_r'. Bruno Haible <bruno@clisp.org> parents: diff changeset	22 #include <unistd.h>
953c5d14818b New module 'ttyname_r'. Bruno Haible <bruno@clisp.org> parents: diff changeset	23
953c5d14818b New module 'ttyname_r'. Bruno Haible <bruno@clisp.org> parents: diff changeset	24 #include <errno.h>
13266 ddd7bebf854c ttyname_r: Make it work on MacOS X 10.4 and Solaris 10. Bruno Haible <bruno@clisp.org> parents: 13023 diff changeset	25 #include <limits.h>
13023 953c5d14818b New module 'ttyname_r'. Bruno Haible <bruno@clisp.org> parents: diff changeset	26 #include <string.h>
953c5d14818b New module 'ttyname_r'. Bruno Haible <bruno@clisp.org> parents: diff changeset	27
953c5d14818b New module 'ttyname_r'. Bruno Haible <bruno@clisp.org> parents: diff changeset	28 int
953c5d14818b New module 'ttyname_r'. Bruno Haible <bruno@clisp.org> parents: diff changeset	29 ttyname_r (int fd, char *buf, size_t buflen)
13266 ddd7bebf854c ttyname_r: Make it work on MacOS X 10.4 and Solaris 10. Bruno Haible <bruno@clisp.org> parents: 13023 diff changeset	30 #undef ttyname_r
13023 953c5d14818b New module 'ttyname_r'. Bruno Haible <bruno@clisp.org> parents: diff changeset	31 {
13268 7287ecc3411c ttyname_r: Make it work on Solaris 10. Bruno Haible <bruno@clisp.org> parents: 13266 diff changeset	32 /* When ttyname_r exists, use it. */
7287ecc3411c ttyname_r: Make it work on Solaris 10. Bruno Haible <bruno@clisp.org> parents: 13266 diff changeset	33 #if HAVE_TTYNAME_R
13266 ddd7bebf854c ttyname_r: Make it work on MacOS X 10.4 and Solaris 10. Bruno Haible <bruno@clisp.org> parents: 13023 diff changeset	34 /* This code is multithread-safe. */
13996 2ff78debd520 ttyname_r: Work around bug on OSF/1 5.1. Bruno Haible <bruno@clisp.org> parents: 13268 diff changeset	35 /* On Solaris, ttyname_r always fails if buflen < 128. On OSF/1 5.1,
2ff78debd520 ttyname_r: Work around bug on OSF/1 5.1. Bruno Haible <bruno@clisp.org> parents: 13268 diff changeset	36 ttyname_r ignores the buffer size and assumes the buffer is large enough.
2ff78debd520 ttyname_r: Work around bug on OSF/1 5.1. Bruno Haible <bruno@clisp.org> parents: 13268 diff changeset	37 So provide a buffer that is large enough. */
13268 7287ecc3411c ttyname_r: Make it work on Solaris 10. Bruno Haible <bruno@clisp.org> parents: 13266 diff changeset	38 char largerbuf[512];
7287ecc3411c ttyname_r: Make it work on Solaris 10. Bruno Haible <bruno@clisp.org> parents: 13266 diff changeset	39 # if HAVE_POSIXDECL_TTYNAME_R
7287ecc3411c ttyname_r: Make it work on Solaris 10. Bruno Haible <bruno@clisp.org> parents: 13266 diff changeset	40 int err =
7287ecc3411c ttyname_r: Make it work on Solaris 10. Bruno Haible <bruno@clisp.org> parents: 13266 diff changeset	41 (buflen < sizeof (largerbuf)
7287ecc3411c ttyname_r: Make it work on Solaris 10. Bruno Haible <bruno@clisp.org> parents: 13266 diff changeset	42 ? ttyname_r (fd, largerbuf, sizeof (largerbuf))
7287ecc3411c ttyname_r: Make it work on Solaris 10. Bruno Haible <bruno@clisp.org> parents: 13266 diff changeset	43 : ttyname_r (fd, buf, buflen <= INT_MAX ? buflen : INT_MAX));
7287ecc3411c ttyname_r: Make it work on Solaris 10. Bruno Haible <bruno@clisp.org> parents: 13266 diff changeset	44 if (err != 0)
7287ecc3411c ttyname_r: Make it work on Solaris 10. Bruno Haible <bruno@clisp.org> parents: 13266 diff changeset	45 return err;
7287ecc3411c ttyname_r: Make it work on Solaris 10. Bruno Haible <bruno@clisp.org> parents: 13266 diff changeset	46 if (buflen < sizeof (largerbuf))
7287ecc3411c ttyname_r: Make it work on Solaris 10. Bruno Haible <bruno@clisp.org> parents: 13266 diff changeset	47 {
7287ecc3411c ttyname_r: Make it work on Solaris 10. Bruno Haible <bruno@clisp.org> parents: 13266 diff changeset	48 size_t namelen = strlen (largerbuf);
7287ecc3411c ttyname_r: Make it work on Solaris 10. Bruno Haible <bruno@clisp.org> parents: 13266 diff changeset	49 if (namelen > buflen)
7287ecc3411c ttyname_r: Make it work on Solaris 10. Bruno Haible <bruno@clisp.org> parents: 13266 diff changeset	50 return ERANGE;
7287ecc3411c ttyname_r: Make it work on Solaris 10. Bruno Haible <bruno@clisp.org> parents: 13266 diff changeset	51 memcpy (buf, largerbuf, namelen);
7287ecc3411c ttyname_r: Make it work on Solaris 10. Bruno Haible <bruno@clisp.org> parents: 13266 diff changeset	52 }
7287ecc3411c ttyname_r: Make it work on Solaris 10. Bruno Haible <bruno@clisp.org> parents: 13266 diff changeset	53 # else
7287ecc3411c ttyname_r: Make it work on Solaris 10. Bruno Haible <bruno@clisp.org> parents: 13266 diff changeset	54 char *name =
7287ecc3411c ttyname_r: Make it work on Solaris 10. Bruno Haible <bruno@clisp.org> parents: 13266 diff changeset	55 (buflen < sizeof (largerbuf)
7287ecc3411c ttyname_r: Make it work on Solaris 10. Bruno Haible <bruno@clisp.org> parents: 13266 diff changeset	56 ? ttyname_r (fd, largerbuf, sizeof (largerbuf))
7287ecc3411c ttyname_r: Make it work on Solaris 10. Bruno Haible <bruno@clisp.org> parents: 13266 diff changeset	57 : ttyname_r (fd, buf, buflen <= INT_MAX ? buflen : INT_MAX));
13266 ddd7bebf854c ttyname_r: Make it work on MacOS X 10.4 and Solaris 10. Bruno Haible <bruno@clisp.org> parents: 13023 diff changeset	58 if (name == NULL)
ddd7bebf854c ttyname_r: Make it work on MacOS X 10.4 and Solaris 10. Bruno Haible <bruno@clisp.org> parents: 13023 diff changeset	59 return errno;
ddd7bebf854c ttyname_r: Make it work on MacOS X 10.4 and Solaris 10. Bruno Haible <bruno@clisp.org> parents: 13023 diff changeset	60 if (name != buf)
ddd7bebf854c ttyname_r: Make it work on MacOS X 10.4 and Solaris 10. Bruno Haible <bruno@clisp.org> parents: 13023 diff changeset	61 {
ddd7bebf854c ttyname_r: Make it work on MacOS X 10.4 and Solaris 10. Bruno Haible <bruno@clisp.org> parents: 13023 diff changeset	62 size_t namelen = strlen (name) + 1;
ddd7bebf854c ttyname_r: Make it work on MacOS X 10.4 and Solaris 10. Bruno Haible <bruno@clisp.org> parents: 13023 diff changeset	63 if (namelen > buflen)
ddd7bebf854c ttyname_r: Make it work on MacOS X 10.4 and Solaris 10. Bruno Haible <bruno@clisp.org> parents: 13023 diff changeset	64 return ERANGE;
ddd7bebf854c ttyname_r: Make it work on MacOS X 10.4 and Solaris 10. Bruno Haible <bruno@clisp.org> parents: 13023 diff changeset	65 memmove (buf, name, namelen);
ddd7bebf854c ttyname_r: Make it work on MacOS X 10.4 and Solaris 10. Bruno Haible <bruno@clisp.org> parents: 13023 diff changeset	66 }
13268 7287ecc3411c ttyname_r: Make it work on Solaris 10. Bruno Haible <bruno@clisp.org> parents: 13266 diff changeset	67 # endif
13266 ddd7bebf854c ttyname_r: Make it work on MacOS X 10.4 and Solaris 10. Bruno Haible <bruno@clisp.org> parents: 13023 diff changeset	68 return 0;
ddd7bebf854c ttyname_r: Make it work on MacOS X 10.4 and Solaris 10. Bruno Haible <bruno@clisp.org> parents: 13023 diff changeset	69 #elif HAVE_TTYNAME
13023 953c5d14818b New module 'ttyname_r'. Bruno Haible <bruno@clisp.org> parents: diff changeset	70 /* Note: This is not multithread-safe. */
953c5d14818b New module 'ttyname_r'. Bruno Haible <bruno@clisp.org> parents: diff changeset	71 char *name;
953c5d14818b New module 'ttyname_r'. Bruno Haible <bruno@clisp.org> parents: diff changeset	72 size_t namelen;
953c5d14818b New module 'ttyname_r'. Bruno Haible <bruno@clisp.org> parents: diff changeset	73
953c5d14818b New module 'ttyname_r'. Bruno Haible <bruno@clisp.org> parents: diff changeset	74 name = ttyname (fd);
953c5d14818b New module 'ttyname_r'. Bruno Haible <bruno@clisp.org> parents: diff changeset	75 if (name == NULL)
953c5d14818b New module 'ttyname_r'. Bruno Haible <bruno@clisp.org> parents: diff changeset	76 return errno;
953c5d14818b New module 'ttyname_r'. Bruno Haible <bruno@clisp.org> parents: diff changeset	77 namelen = strlen (name) + 1;
953c5d14818b New module 'ttyname_r'. Bruno Haible <bruno@clisp.org> parents: diff changeset	78 if (namelen > buflen)
953c5d14818b New module 'ttyname_r'. Bruno Haible <bruno@clisp.org> parents: diff changeset	79 return ERANGE;
953c5d14818b New module 'ttyname_r'. Bruno Haible <bruno@clisp.org> parents: diff changeset	80 memcpy (buf, name, namelen);
953c5d14818b New module 'ttyname_r'. Bruno Haible <bruno@clisp.org> parents: diff changeset	81 return 0;
953c5d14818b New module 'ttyname_r'. Bruno Haible <bruno@clisp.org> parents: diff changeset	82 #else
953c5d14818b New module 'ttyname_r'. Bruno Haible <bruno@clisp.org> parents: diff changeset	83 /* Platforms like mingw: no ttys exist at all. */
953c5d14818b New module 'ttyname_r'. Bruno Haible <bruno@clisp.org> parents: diff changeset	84 return ENOTTY;
953c5d14818b New module 'ttyname_r'. Bruno Haible <bruno@clisp.org> parents: diff changeset	85 #endif
953c5d14818b New module 'ttyname_r'. Bruno Haible <bruno@clisp.org> parents: diff changeset	86 }

Mercurial > hg > octave-shane > gnulib-hg

annotate lib/ttyname_r.c @ 15727:144db791c6fa