diff options
author | Jim Meyering <jim@meyering.net> | 1998-05-19 15:06:49 +0000 |
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committer | Jim Meyering <jim@meyering.net> | 1998-05-19 15:06:49 +0000 |
commit | 07d201fb10f5f9e48656740041eba128e0f9c467 (patch) | |
tree | bb4a76fd928bcfa7943ff817ebba8fa88c2e3d8e /lib/lchown.c | |
parent | d19c5390b98053a419cd28d5912615a3b1a39825 (diff) | |
download | gnulib-07d201fb10f5f9e48656740041eba128e0f9c467.tar.gz |
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Diffstat (limited to 'lib/lchown.c')
-rw-r--r-- | lib/lchown.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/lib/lchown.c b/lib/lchown.c new file mode 100644 index 0000000000..b15233e246 --- /dev/null +++ b/lib/lchown.c @@ -0,0 +1,49 @@ +/* Provide a stub lchown function for systems that lack it. + Copyright (C) 1998 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +/* written by Jim Meyering */ + +#include <config.h> + +/* Disable the definition of lchown to rpl_lchown (from config.h) in this + file. Otherwise, we'd get conflicting prototypes for rpl_lchown on + most systems. */ +#undef lchown + +#include <sys/types.h> +#include <sys/stat.h> +#include <errno.h> +#ifndef errno +extern int errno; +#endif + +/* Work just like chown, except when FILE is a symbolic link. + In that case, set errno to ENOSYS and return -1. */ + +int +rpl_lchown (const chat *file, uid_t uid, gid_t gid) +{ + struct stat stats; + + if (lstat (file, &stats) && S_ISLNK (stats.st_mode)) + { + errno = ENOSYS; + return -1; + } + + return chown (file, uid, gid); +} |