From d89e629e52c3b525424be958de238ed1dc5a0361 Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Sun, 24 Apr 2005 05:07:59 +0000
Subject: add new subdir for e2fsprogs

---
 e2fsprogs/e2p/fsetflags.c | 96 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 96 insertions(+)
 create mode 100644 e2fsprogs/e2p/fsetflags.c

(limited to 'e2fsprogs/e2p/fsetflags.c')

diff --git a/e2fsprogs/e2p/fsetflags.c b/e2fsprogs/e2p/fsetflags.c
new file mode 100644
index 000000000..40e7292dd
--- /dev/null
+++ b/e2fsprogs/e2p/fsetflags.c
@@ -0,0 +1,96 @@
+/*
+ * 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
+ */
+
+#if HAVE_ERRNO_H
+#include <errno.h>
+#endif
+#if HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#include <sys/types.h>
+#include <sys/stat.h>
+#if HAVE_EXT2_IOCTLS
+#include <fcntl.h>
+#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
+
+#ifdef O_LARGEFILE
+#define OPEN_FLAGS (O_RDONLY|O_NONBLOCK|O_LARGEFILE)
+#else
+#define OPEN_FLAGS (O_RDONLY|O_NONBLOCK)
+#endif
+
+int fsetflags (const char * name, unsigned long flags)
+{
+	struct stat buf;
+#if HAVE_CHFLAGS && !(APPLE_DARWIN && HAVE_EXT2_IOCTLS)
+	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 chflags (name, bsd_flags);
+#else
+#if HAVE_EXT2_IOCTLS
+	int fd, r, f, save_errno = 0;
+
+	if (!stat(name, &buf) &&
+	    !S_ISREG(buf.st_mode) && !S_ISDIR(buf.st_mode)) {
+		goto notsupp;
+	}
+#if !APPLE_DARWIN
+	fd = open (name, OPEN_FLAGS);
+	if (fd == -1)
+		return -1;
+	f = (int) flags;
+	r = ioctl (fd, EXT2_IOC_SETFLAGS, &f);
+	if (r == -1)
+		save_errno = errno;
+	close (fd);
+	if (save_errno)
+		errno = save_errno;
+#else
+   f = (int) flags;
+   return syscall(SYS_fsctl, name, EXT2_IOC_SETFLAGS, &f, 0);
+#endif
+	return r;
+#endif /* HAVE_EXT2_IOCTLS */
+#endif
+notsupp:
+	errno = EOPNOTSUPP;
+	return -1;
+}
-- 
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