From 464df1d5e5ab1322e2dd0a7796939fff1aeefa9a Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 17:49:25 +0200 Subject: Adding upstream version 1.47.0. Signed-off-by: Daniel Baumann --- lib/e2p/fsetversion.c | 71 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 71 insertions(+) create mode 100644 lib/e2p/fsetversion.c (limited to 'lib/e2p/fsetversion.c') diff --git a/lib/e2p/fsetversion.c b/lib/e2p/fsetversion.c new file mode 100644 index 0000000..5f844b5 --- /dev/null +++ b/lib/e2p/fsetversion.c @@ -0,0 +1,71 @@ +/* + * fsetversion.c - Set a file version on an ext2 file system + * + * Copyright (C) 1993, 1994 Remy Card + * 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 + */ + +#ifndef _LARGEFILE_SOURCE +#define _LARGEFILE_SOURCE +#endif +#ifndef _LARGEFILE64_SOURCE +#define _LARGEFILE64_SOURCE +#endif + +#include "config.h" +#if HAVE_ERRNO_H +#include +#endif +#if HAVE_UNISTD_H +#include +#endif +#include +#if HAVE_SYS_IOCTL_H +#include +#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 fsetversion (const char * name, unsigned long version) +{ +#if HAVE_EXT2_IOCTLS +#if !APPLE_DARWIN + int fd, r, ver, save_errno = 0; + + fd = open (name, OPEN_FLAGS); + if (fd == -1) + return -1; + ver = (int) version; + r = ioctl (fd, EXT2_IOC_SETVERSION, &ver); + if (r == -1) + save_errno = errno; + close (fd); + if (save_errno) + errno = save_errno; + return r; +#else + int ver = (int)version; + return syscall(SYS_fsctl, name, EXT2_IOC_SETVERSION, &ver, 0); +#endif +#else /* ! HAVE_EXT2_IOCTLS */ + errno = EOPNOTSUPP; + return -1; +#endif /* ! HAVE_EXT2_IOCTLS */ +} -- cgit v1.2.3