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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:49:25 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:49:25 +0000 |
commit | 464df1d5e5ab1322e2dd0a7796939fff1aeefa9a (patch) | |
tree | 6a403684e0978f0287d7f0ec0e5aab1fd31a59e1 /lib/e2p/fsetversion.c | |
parent | Initial commit. (diff) | |
download | e2fsprogs-464df1d5e5ab1322e2dd0a7796939fff1aeefa9a.tar.xz e2fsprogs-464df1d5e5ab1322e2dd0a7796939fff1aeefa9a.zip |
Adding upstream version 1.47.0.upstream/1.47.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | lib/e2p/fsetversion.c | 71 |
1 files changed, 71 insertions, 0 deletions
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 <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 + */ + +#ifndef _LARGEFILE_SOURCE +#define _LARGEFILE_SOURCE +#endif +#ifndef _LARGEFILE64_SOURCE +#define _LARGEFILE64_SOURCE +#endif + +#include "config.h" +#if HAVE_ERRNO_H +#include <errno.h> +#endif +#if HAVE_UNISTD_H +#include <unistd.h> +#endif +#include <fcntl.h> +#if HAVE_SYS_IOCTL_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 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 */ +} |