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/* xattr.h -- POSIX Extended Attribute function mappings.
Copyright (C) 2016, 2018 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, 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 <stdio.h>
#ifndef _XATTR_H
#define _XATTR_H
/* Store metadata name/value attributes against fp. */
int set_file_metadata (const char *origin_url, const char *referrer_url, FILE *fp);
#if defined(__linux)
/* libc on Linux has fsetxattr (5 arguments). */
# include <sys/xattr.h>
# define USE_XATTR
#elif defined(__APPLE__)
/* libc on OS/X has fsetxattr (6 arguments). */
# include <sys/xattr.h>
# define fsetxattr(file, name, buffer, size, flags) \
fsetxattr ((file), (name), (buffer), (size), 0, (flags))
# define USE_XATTR
#elif defined(__FreeBSD_version) && (__FreeBSD_version > 500000)
/* FreeBSD */
# include <sys/types.h>
# include <sys/extattr.h>
# define fsetxattr(file, name, buffer, size, flags) \
extattr_set_fd ((file), EXTATTR_NAMESPACE_USER, (name), (buffer), (size))
# define USE_XATTR
#endif
#endif /* _XATTR_H */
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