From d89e629e52c3b525424be958de238ed1dc5a0361 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Sun, 24 Apr 2005 05:07:59 +0000 Subject: add new subdir for e2fsprogs --- e2fsprogs/e2p/fsetversion.c | 60 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 e2fsprogs/e2p/fsetversion.c (limited to 'e2fsprogs/e2p/fsetversion.c') diff --git a/e2fsprogs/e2p/fsetversion.c b/e2fsprogs/e2p/fsetversion.c new file mode 100644 index 0000000..93243d6 --- /dev/null +++ b/e2fsprogs/e2p/fsetversion.c @@ -0,0 +1,60 @@ +/* + * 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) + * + * This file can be redistributed under the terms of the GNU Library General + * Public License + */ + +/* + * History: + * 93/10/30 - Creation + */ + +#if HAVE_ERRNO_H +#include +#endif +#if HAVE_UNISTD_H +#include +#endif +#include +#include + +#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 */ + extern int errno; + errno = EOPNOTSUPP; + return -1; +#endif /* ! HAVE_EXT2_IOCTLS */ +} -- cgit v1.1