Mercurial > hg > octave-nkf > gnulib-hg
changeset 6130:44d5f5bdd253
GNU tar needs these.
author | Jim Meyering <jim@meyering.net> |
---|---|
date | Sat, 27 Aug 2005 14:27:24 +0000 |
parents | 2fce0cb93f59 |
children | da7178138ab1 |
files | lib/creat-safer.c lib/pipe-safer.c |
diffstat | 2 files changed, 83 insertions(+), 0 deletions(-) [+] |
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new file mode 100644 --- /dev/null +++ b/lib/creat-safer.c @@ -0,0 +1,33 @@ +/* Invoke creat, but avoid some glitches. + Copyright (C) 2005 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 2, 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, write to the Free Software Foundation, + Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + +/* Written by Jim Meyering. */ + +#if HAVE_CONFIG_H +# include <config.h> +#endif + +#include "fcntl-safer.h" + +#include <fcntl.h> +#include "unistd-safer.h" + +int +creat_safer (char const *file, mode_t mode) +{ + return fd_safer (creat (file, mode)); +}
new file mode 100644 --- /dev/null +++ b/lib/pipe-safer.c @@ -0,0 +1,50 @@ +/* Invoke pipe, but avoid some glitches. + Copyright (C) 2005 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 2, 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, write to the Free Software Foundation, + Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + +/* Written by Jim Meyering. */ + +#if HAVE_CONFIG_H +# include <config.h> +#endif + +#include "unistd-safer.h" + +#include <unistd.h> + +/* Like pipe, but ensure that neither of the file descriptors is + STDIN_FILENO, STDOUT_FILENO, or STDERR_FILENO. */ + +int +pipe_safer (int fd[2]) +{ + int fail = pipe (fd); + if (fail) + return fail; + + { + int i; + for (i = 0; i < 2; i++) + { + int f = fd_safer (fd[i]); + if (f < 0) + return -1; + fd[i] = f; + } + } + + return 0; +}