mirror of
https://github.com/nitraiolo/CfgUSBLoader.git
synced 2024-11-30 23:24:15 +01:00
75 lines
1.5 KiB
C
75 lines
1.5 KiB
C
/*
|
|
* setflags.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)
|
|
*
|
|
* %Begin-Header%
|
|
* This file may be redistributed under the terms of the GNU Library
|
|
* General Public License, version 2.
|
|
* %End-Header%
|
|
*/
|
|
|
|
/*
|
|
* History:
|
|
* 93/10/30 - Creation
|
|
*/
|
|
|
|
#if HAVE_ERRNO_H
|
|
#include <errno.h>
|
|
#endif
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#if HAVE_EXT2_IOCTLS
|
|
#include <sys/ioctl.h>
|
|
#endif
|
|
|
|
#include "e2p.h"
|
|
|
|
/*
|
|
* Deal with lame glibc's that define this function without actually
|
|
* implementing it. Can you say "attractive nuisance", boys and girls?
|
|
* I knew you could!
|
|
*/
|
|
#ifdef __linux__
|
|
#undef HAVE_CHFLAGS
|
|
#endif
|
|
|
|
int setflags (int fd, unsigned long flags)
|
|
{
|
|
#if HAVE_CHFLAGS
|
|
struct stat buf;
|
|
unsigned long bsd_flags = 0;
|
|
|
|
#ifdef UF_IMMUTABLE
|
|
if (flags & EXT2_IMMUTABLE_FL)
|
|
bsd_flags |= UF_IMMUTABLE;
|
|
#endif
|
|
#ifdef UF_APPEND
|
|
if (flags & EXT2_APPEND_FL)
|
|
bsd_flags |= UF_APPEND;
|
|
#endif
|
|
#ifdef UF_NODUMP
|
|
if (flags & EXT2_NODUMP_FL)
|
|
bsd_flags |= UF_NODUMP;
|
|
#endif
|
|
|
|
return fchflags (fd, bsd_flags);
|
|
#else
|
|
#if HAVE_EXT2_IOCTLS
|
|
int f;
|
|
|
|
if (!fstat(fd, &buf) &&
|
|
!S_ISREG(buf.st_mode) && !S_ISDIR(buf.st_mode)) {
|
|
errno = EOPNOTSUPP;
|
|
return -1;
|
|
}
|
|
f = (int) flags;
|
|
return ioctl (fd, EXT2_IOC_SETFLAGS, &f);
|
|
#endif /* HAVE_EXT2_IOCTLS */
|
|
#endif
|
|
errno = EOPNOTSUPP;
|
|
return -1;
|
|
}
|