Attachment 1283 Details for Bug 2810 – fgetflags.c from e2fsprogs

fgetflags.c from e2fsprogs

fgetflags.c (text/x-csrc), 1.83 KB, created by Benjamin Berg on 2005-06-21 14:41:39 UTC

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Creator: Benjamin Berg

Created: 2005-06-21 14:41:39 UTC

Size: 1.83 KB

patch

obsolete

>/*
> * fgetflags.c		- Get a file flags on an ext2 file system
> *
> * Copyright (C) 1993, 1994  Remy Card <card@masi.ibp.fr>
> *                           Laboratoire MASI, Institut Blaise Pascal
> *                           Universite Pierre et Marie Curie (Paris VI)
> *
> * This file can be redistributed under the terms of the GNU Library General
> * Public License
> */
>
>/*
> * History:
> * 93/10/30	- Creation
> */
>
>#define _LARGEFILE_SOURCE
>#define _LARGEFILE64_SOURCE
>
>#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>
>#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 fgetflags (const char * name, unsigned long * flags)
>{
>	struct stat buf;
>#if HAVE_STAT_FLAGS && !(APPLE_DARWIN && HAVE_EXT2_IOCTLS)
>
>	if (stat (name, &buf) == -1)
>		return -1;
>
>	*flags = 0;
>#ifdef UF_IMMUTABLE
>	if (buf.st_flags & UF_IMMUTABLE)
>		*flags |= EXT2_IMMUTABLE_FL;
>#endif
>#ifdef UF_APPEND
>	if (buf.st_flags & UF_APPEND)
>		*flags |= EXT2_APPEND_FL;
>#endif
>#ifdef UF_NODUMP
>	if (buf.st_flags & UF_NODUMP)
>		*flags |= EXT2_NODUMP_FL;
>#endif
>
>	return 0;
>#else
>#if HAVE_EXT2_IOCTLS
>	int fd, r, f, save_errno = 0;
>
>	if (!stat(name, &buf) &&
>	    !S_ISREG(buf.st_mode) && !S_ISDIR(buf.st_mode)) {
>		goto notsupp;
>	}
>#if !APPLE_DARWIN
>	fd = open (name, OPEN_FLAGS);
>	if (fd == -1)
>		return -1;
>	r = ioctl (fd, EXT2_IOC_GETFLAGS, &f);
>	if (r == -1)
>		save_errno = errno;
>	*flags = f;
>	close (fd);
>	if (save_errno)
>		errno = save_errno;
>	return r;
>#else
>   f = -1;
>   save_errno = syscall(SYS_fsctl, name, EXT2_IOC_GETFLAGS, &f, 0);
>   *flags = f;
>   return (save_errno);
>#endif
>#endif /* HAVE_EXT2_IOCTLS */
>#endif
>notsupp:
>	errno = EOPNOTSUPP;
>	return -1;
>}

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