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author | Richard Maw <richard.maw@codethink.co.uk> | 2012-01-17 14:43:55 +0000 |
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committer | Richard Maw <richard.maw@codethink.co.uk> | 2012-01-17 14:43:55 +0000 |
commit | 2de9abc5c9d40b3c716307d67d16146f823fd554 (patch) | |
tree | 6979db67934ddc8b564150b465846a383b428ff8 /gnulib/lib/posix_openpt.c | |
parent | 33cc1c6fda6e72a7bae1401e9b2cec495a4d3ff1 (diff) | |
download | patch-baserock/bootstrap.tar.gz |
add the output of bootstrapbaserock/bootstrap-pass2baserock/bootstrap
Diffstat (limited to 'gnulib/lib/posix_openpt.c')
m--------- | gnulib | 0 | ||||
-rw-r--r-- | gnulib/lib/posix_openpt.c | 108 |
2 files changed, 108 insertions, 0 deletions
diff --git a/gnulib b/gnulib deleted file mode 160000 -Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1 diff --git a/gnulib/lib/posix_openpt.c b/gnulib/lib/posix_openpt.c new file mode 100644 index 0000000..137db71 --- /dev/null +++ b/gnulib/lib/posix_openpt.c @@ -0,0 +1,108 @@ +/* Open the master side of a pseudo-terminal. + Copyright (C) 2010-2011 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. */ + +#include <config.h> + +/* Specification. */ +#include <stdlib.h> + +#include <errno.h> +#include <fcntl.h> +#if defined __OpenBSD__ +# include <sys/ioctl.h> +# include <sys/tty.h> +#endif + +/* posix_openpt() is already provided on + glibc >= 2.2.1 (but is a stub on GNU/Hurd), + MacOS X >= 10.4, + FreeBSD >= 5.1 (lived in src/lib/libc/stdlib/grantpt.c before 8.0), + NetBSD >= 3.0, + AIX >= 5.2, HP-UX >= 11.31, Solaris >= 10, Cygwin >= 1.7. + Thus, this replacement function is compiled on + MacOS X 10.3, OpenBSD 4.9, Minix 3.1.8, + AIX 5.1, HP-UX 11.23, IRIX 6.5, OSF/1 5.1, Solaris 9, + Cygwin 1.5.x, mingw, MSVC 9, Interix 3.5, BeOS. + Among these: + - AIX has /dev/ptc. + - HP-UX 10..11, IRIX 6.5, OSF/1 5.1, Solaris 2.6..9, Cygwin 1.5 + have /dev/ptmx. + - HP-UX 10..11 also has /dev/ptym/clone, but this should not be needed. + - OpenBSD 4.9 has /dev/ptm and the PTMGET ioctl. + - Minix 3.1.8 have a list of pseudo-terminal devices in /dev. + - On native Windows, there are no ttys at all. */ + +int +posix_openpt (int flags) +{ + int master; + +#ifdef _AIX /* AIX */ + + master = open ("/dev/ptc", flags); + +#elif (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__ /* mingw */ + + /* Mingw lacks pseudo-terminals altogether. */ + master = -1; + errno = ENOSYS; + +#elif defined __OpenBSD__ + + /* On OpenBSD, master and slave of a pseudo-terminal are allocated together, + by opening /dev/ptm and applying the PTMGET ioctl to it. */ + int fd; + struct ptmget data; + + fd = open (PATH_PTMDEV, O_RDWR); + if (fd >= 0) + { + if (ioctl (fd, PTMGET, &data) >= 0) + { + master = data.cfd; + close (data.sfd); + close (fd); + } + else + { + int saved_errno = errno; + close (fd); + errno = saved_errno; + master = -1; + } + } + else + master = -1; + +#else /* MacOS X, Minix, HP-UX, IRIX, OSF/1, Solaris 9, Cygwin 1.5 */ + + /* Most systems that lack posix_openpt() have /dev/ptmx. */ + master = open ("/dev/ptmx", flags); + + /* If all this does not work, we could try to open, one by one: + - On MacOS X: /dev/pty[p-w][0-9a-f] + - On *BSD: /dev/pty[p-sP-S][0-9a-v] + - On Minix: /dev/pty[p-q][0-9a-f] + - On AIX: /dev/ptyp[0-9a-f] + - On HP-UX: /dev/pty[p-r][0-9a-f] + - On OSF/1: /dev/pty[p-q][0-9a-f] + - On Solaris: /dev/pty[p-r][0-9a-f] + */ + +#endif + + return master; +} |