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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/openpty.c | |
parent | 33cc1c6fda6e72a7bae1401e9b2cec495a4d3ff1 (diff) | |
download | patch-baserock/bootstrap.tar.gz |
add the output of bootstrapbaserock/bootstrap-pass2baserock/bootstrap
Diffstat (limited to 'gnulib/lib/openpty.c')
m--------- | gnulib | 0 | ||||
-rw-r--r-- | gnulib/lib/openpty.c | 136 |
2 files changed, 136 insertions, 0 deletions
diff --git a/gnulib b/gnulib deleted file mode 160000 -Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1 diff --git a/gnulib/lib/openpty.c b/gnulib/lib/openpty.c new file mode 100644 index 0000000..d9d9773 --- /dev/null +++ b/gnulib/lib/openpty.c @@ -0,0 +1,136 @@ +/* Open 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 <pty.h> + +#if HAVE_OPENPTY + +/* Provide a wrapper with the prototype of glibc-2.8 and newer. */ +# undef openpty +int +rpl_openpty (int *amaster, int *aslave, char *name, + struct termios const *termp, struct winsize const *winp) +{ + /* Cast away const, for implementations with weaker prototypes. */ + return openpty (amaster, aslave, name, (struct termios *) termp, + (struct winsize *) winp); +} + +#elif (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__ /* mingw */ + +# include <errno.h> + +int +openpty (int *amaster _GL_UNUSED, int *aslave _GL_UNUSED, + char *name _GL_UNUSED, + struct termios const *termp _GL_UNUSED, + struct winsize const *winp _GL_UNUSED) +{ + /* Mingw lacks pseudo-terminals altogether. */ + errno = ENOSYS; + return -1; +} + +#else /* AIX 5.1, HP-UX 11, IRIX 6.5, Solaris 10 */ + +# include <fcntl.h> +# include <stdlib.h> +# include <string.h> +# include <sys/ioctl.h> +# include <termios.h> +# include <unistd.h> +# if defined __sun || defined __hpux /* Solaris, HP-UX */ +# include <stropts.h> +# endif + +int +openpty (int *amaster, int *aslave, char *name, + struct termios const *termp, struct winsize const *winp) +{ + int master; + char *slave_name; + int slave; + +# if HAVE__GETPTY /* IRIX */ + + slave_name = _getpty (&master, O_RDWR, 0622, 0); + if (slave_name == NULL) + return -1; + +# else /* AIX 5.1, HP-UX 11, Solaris 10, mingw */ + + /* This call uses the 'posix_openpt' module. */ + master = posix_openpt (O_RDWR | O_NOCTTY); + if (master < 0) + return -1; + +# endif + + /* This call does not require a dependency to the 'grantpt' module, + because AIX, HP-UX, IRIX, Solaris all have the grantpt() function. */ + if (grantpt (master)) + goto fail; + + /* This call does not require a dependency to the 'unlockpt' module, + because AIX, HP-UX, IRIX, Solaris all have the unlockpt() function. */ + if (unlockpt (master)) + goto fail; + +# if !HAVE__GETPTY /* !IRIX */ + slave_name = ptsname (master); + if (slave_name == NULL) + goto fail; +# endif + + slave = open (slave_name, O_RDWR | O_NOCTTY); + if (slave == -1) + goto fail; + +# if defined __sun || defined __hpux /* Solaris, HP-UX */ + if (ioctl (slave, I_PUSH, "ptem") < 0 + || ioctl (slave, I_PUSH, "ldterm") < 0 +# if defined __sun + || ioctl (slave, I_PUSH, "ttcompat") < 0 +# endif + ) + { + close (slave); + goto fail; + } +# endif + + /* XXX Should we ignore errors here? */ + if (termp) + tcsetattr (slave, TCSAFLUSH, termp); + if (winp) + ioctl (slave, TIOCSWINSZ, winp); + + *amaster = master; + *aslave = slave; + if (name != NULL) + strcpy (name, slave_name); + + return 0; + + fail: + close (master); + return -1; +} + +#endif |