Mercurial > hg > octave-kai > gnulib-hg
changeset 7160:b2f3bbe2c4ef
* modules/openat (Files): Add lib/fchmodat.c.
* lib/fchmodat.c: New file, from coreutils. This was inadvertently
omitted in the 2006-08-17 update. Problem reported by Jay Youngman.
| author | Paul Eggert <eggert@cs.ucla.edu> |
|---|---|
| date | Sat, 19 Aug 2006 22:17:01 +0000 |
| parents | 1256f83e76b1 |
| children | 9c42df7be5d2 |
| files | ChangeLog lib/ChangeLog lib/fchmodat.c modules/openat |
| diffstat | 4 files changed, 63 insertions(+), 0 deletions(-) [+] |
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--- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +2006-08-19 Paul Eggert <eggert@cs.ucla.edu> + + * modules/openat (Files): Add lib/fchmodat.c. + Fixes problem reported by Jay Youngman. + 2006-08-18 Bruno Haible <bruno@clisp.org> * modules/bison-i18n: New file.
--- a/lib/ChangeLog +++ b/lib/ChangeLog @@ -1,3 +1,8 @@ +2006-08-19 Paul Eggert <eggert@cs.ucla.edu> + + * fchmodat.c: New file, from coreutils. This was inadvertently + omitted in the 2006-08-17 update. Problem reported by Jay Youngman. + 2006-08-18 Bruno Haible <bruno@clisp.org> * mountlist.c [MOUNTED_GETMNTINFO2]: Include sys/statvfs.h.
new file mode 100644 --- /dev/null +++ b/lib/fchmodat.c @@ -0,0 +1,52 @@ +/* Change the protections of file relative to an open directory. + Copyright (C) 2006 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 */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include "openat.h" +#include "dirname.h" /* solely for definition of IS_ABSOLUTE_FILE_NAME */ +#include "save-cwd.h" +#include "openat-priv.h" + +#ifndef HAVE_LCHMOD +/* Use a different name, to avoid conflicting with any + system-supplied declaration. */ +# undef lchmod +# define lchmod lchmod_rpl +static int lchmod (char const *f, mode_t m) { errno = ENOSYS; return -1; } +#endif + +/* Solaris 10 has no function like this. + Invoke chmod or lchmod on file, FILE, using mode MODE, in the directory + open on descriptor FD. If possible, do it without changing the + working directory. Otherwise, resort to using save_cwd/fchdir, + then mkdir/restore_cwd. If either the save_cwd or the restore_cwd + fails, then give a diagnostic and exit nonzero. + Note that an attempt to use a FLAG value of AT_SYMLINK_NOFOLLOW + on a system without lchmod support causes this function to fail. */ + +#define AT_FUNC_NAME fchmodat +#define AT_FUNC_F1 lchmod +#define AT_FUNC_F2 chmod +#define AT_FUNC_USE_F1_COND flag == AT_SYMLINK_NOFOLLOW +#define AT_FUNC_POST_FILE_PARAM_DECLS , mode_t mode, int flag +#define AT_FUNC_POST_FILE_ARGS , mode +#include "at-func.c"