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author | axc <axc@yandex-team.ru> | 2022-02-10 16:47:36 +0300 |
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committer | Daniil Cherednik <dcherednik@yandex-team.ru> | 2022-02-10 16:47:36 +0300 |
commit | 7b659037613268d5eac4a1b6a7c5eff3cd36d4bf (patch) | |
tree | c0748b5dcbade83af788c0abfa89c0383d6b779c /contrib/tools/bison/gnulib/src/pipe2-safer.c | |
parent | 1f5217043ad70f25dc35e75b3bd261a1e23d045e (diff) | |
download | ydb-7b659037613268d5eac4a1b6a7c5eff3cd36d4bf.tar.gz |
Restoring authorship annotation for <axc@yandex-team.ru>. Commit 2 of 2.
Diffstat (limited to 'contrib/tools/bison/gnulib/src/pipe2-safer.c')
-rw-r--r-- | contrib/tools/bison/gnulib/src/pipe2-safer.c | 104 |
1 files changed, 52 insertions, 52 deletions
diff --git a/contrib/tools/bison/gnulib/src/pipe2-safer.c b/contrib/tools/bison/gnulib/src/pipe2-safer.c index cd1ebb3c0e..e831d0c6c1 100644 --- a/contrib/tools/bison/gnulib/src/pipe2-safer.c +++ b/contrib/tools/bison/gnulib/src/pipe2-safer.c @@ -1,52 +1,52 @@ -/* Invoke pipe2, but avoid some glitches. - Copyright (C) 2005-2006, 2009-2013 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/>. */ - -/* Written by Eric Blake. */ - -#include <config.h> - -/* Specification. */ -#include "unistd-safer.h" - -#include <unistd.h> -#include <errno.h> - -/* Like pipe2, but ensure that neither of the file descriptors is - STDIN_FILENO, STDOUT_FILENO, or STDERR_FILENO. */ - -int -pipe2_safer (int fd[2], int flags) -{ - /* This is a generalization of the pipe_safer implementation. */ - if (pipe2 (fd, flags) == 0) - { - int i; - for (i = 0; i < 2; i++) - { - fd[i] = fd_safer_flag (fd[i], flags); - if (fd[i] < 0) - { - int e = errno; - close (fd[1 - i]); - errno = e; - return -1; - } - } - - return 0; - } - return -1; -} +/* Invoke pipe2, but avoid some glitches. + Copyright (C) 2005-2006, 2009-2013 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/>. */ + +/* Written by Eric Blake. */ + +#include <config.h> + +/* Specification. */ +#include "unistd-safer.h" + +#include <unistd.h> +#include <errno.h> + +/* Like pipe2, but ensure that neither of the file descriptors is + STDIN_FILENO, STDOUT_FILENO, or STDERR_FILENO. */ + +int +pipe2_safer (int fd[2], int flags) +{ + /* This is a generalization of the pipe_safer implementation. */ + if (pipe2 (fd, flags) == 0) + { + int i; + for (i = 0; i < 2; i++) + { + fd[i] = fd_safer_flag (fd[i], flags); + if (fd[i] < 0) + { + int e = errno; + close (fd[1 - i]); + errno = e; + return -1; + } + } + + return 0; + } + return -1; +} |