/* vi: set sw=4 ts=4: *//* * fgetflags.c		- Get a file flags on an ext2 file system * fsetflags.c		- Set 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 */#ifdef HAVE_ERRNO_H#include <errno.h>#endif#ifdef HAVE_UNISTD_H#include <unistd.h>#endif#include <sys/types.h>#include <sys/stat.h>#ifdef 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)#endifint fgetsetflags (const char * name, unsigned long * get_flags, unsigned long set_flags){#ifdef HAVE_EXT2_IOCTLS	struct stat buf;	int fd, r, f, save_errno = 0;	if (!stat(name, &buf) &&	    !S_ISREG(buf.st_mode) && !S_ISDIR(buf.st_mode)) {		goto notsupp;	}	fd = open (name, OPEN_FLAGS);	if (fd == -1)		return -1;	if (!get_flags) {		f = (int) set_flags;		r = ioctl (fd, EXT2_IOC_SETFLAGS, &f);	} else {		r = ioctl (fd, EXT2_IOC_GETFLAGS, &f);		*get_flags = f;	}	if (r == -1)		save_errno = errno;	close (fd);	if (save_errno)		errno = save_errno;	return r;notsupp:#endif /* HAVE_EXT2_IOCTLS */	errno = EOPNOTSUPP;	return -1;}