diff options
Diffstat (limited to 'lib/e2p/fsetproject.c')
-rw-r--r-- | lib/e2p/fsetproject.c | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/lib/e2p/fsetproject.c b/lib/e2p/fsetproject.c new file mode 100644 index 0000000..5df7090 --- /dev/null +++ b/lib/e2p/fsetproject.c @@ -0,0 +1,69 @@ +/* + * fgetproject.c --- get project id + * + * Copyright (C) 1999 Theodore Ts'o <tytso@mit.edu> + * + * %Begin-Header% + * This file may be redistributed under the terms of the GNU Library + * General Public License, version 2. + * %End-Header% + */ + +#ifndef _LARGEFILE_SOURCE +#define _LARGEFILE_SOURCE +#endif +#ifndef _LARGEFILE64_SOURCE +#define _LARGEFILE64_SOURCE +#endif + +#include "config.h" +#if HAVE_ERRNO_H +#include <errno.h> +#endif +#if HAVE_UNISTD_H +#include <unistd.h> +#endif +#include <sys/types.h> +#include <sys/stat.h> +#if HAVE_EXT2_IOCTLS +#include <fcntl.h> +#include <sys/ioctl.h> +#include "project.h" +#endif + +#include "e2p.h" + +#ifdef O_LARGEFILE +#define OPEN_FLAGS (O_RDONLY|O_NONBLOCK|O_LARGEFILE) +#else +#define OPEN_FLAGS (O_RDONLY|O_NONBLOCK) +#endif + +int fsetproject(const char *name, unsigned long project) +{ +#ifndef FS_IOC_FSGETXATTR + errno = EOPNOTSUPP; + return -1; +#else + int fd, r, save_errno = 0; + struct fsxattr fsx; + + fd = open (name, OPEN_FLAGS); + if (fd == -1) + return -1; + r = ioctl (fd, FS_IOC_FSGETXATTR, &fsx); + if (r == -1) { + save_errno = errno; + goto errout; + } + fsx.fsx_projid = project; + r = ioctl (fd, FS_IOC_FSSETXATTR, &fsx); + if (r == -1) + save_errno = errno; +errout: + close (fd); + if (save_errno) + errno = save_errno; + return r; +#endif +} |