70 lines
1.2 KiB
C
70 lines
1.2 KiB
C
/*
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* fgetproject.c --- get project id
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*
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* Copyright (C) 1999 Theodore Ts'o <tytso@mit.edu>
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*
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* %Begin-Header%
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* This file may be redistributed under the terms of the GNU Library
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* General Public License, version 2.
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* %End-Header%
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*/
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#ifndef _LARGEFILE_SOURCE
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#define _LARGEFILE_SOURCE
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#endif
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#ifndef _LARGEFILE64_SOURCE
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#define _LARGEFILE64_SOURCE
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#endif
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#include "config.h"
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#if HAVE_ERRNO_H
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#include <errno.h>
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#endif
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#if HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include <sys/types.h>
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#include <sys/stat.h>
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#if HAVE_EXT2_IOCTLS
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#include <fcntl.h>
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#include <sys/ioctl.h>
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#include "project.h"
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#endif
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#include "e2p.h"
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#ifdef O_LARGEFILE
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#define OPEN_FLAGS (O_RDONLY|O_NONBLOCK|O_LARGEFILE)
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#else
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#define OPEN_FLAGS (O_RDONLY|O_NONBLOCK)
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#endif
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int fsetproject(const char *name, unsigned long project)
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{
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#ifndef FS_IOC_FSGETXATTR
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errno = EOPNOTSUPP;
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return -1;
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#else
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int fd, r, save_errno = 0;
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struct fsxattr fsx;
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fd = open (name, OPEN_FLAGS);
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if (fd == -1)
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return -1;
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r = ioctl (fd, FS_IOC_FSGETXATTR, &fsx);
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if (r == -1) {
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save_errno = errno;
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goto errout;
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}
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fsx.fsx_projid = project;
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r = ioctl (fd, FS_IOC_FSSETXATTR, &fsx);
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if (r == -1)
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save_errno = errno;
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errout:
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close (fd);
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if (save_errno)
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errno = save_errno;
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return r;
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#endif
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}
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