From 548ffd49a346a699ab64bd2659420d3ddbaeea6b Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Sat, 7 May 2005 07:14:41 +0000
Subject: patch by Tito which unifies common get/set functions into 1 get/set
 function and cuts down on the size used significantly :)

---
 e2fsprogs/e2p/fgetsetflags.c | 69 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 e2fsprogs/e2p/fgetsetflags.c

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

diff --git a/e2fsprogs/e2p/fgetsetflags.c b/e2fsprogs/e2p/fgetsetflags.c
new file mode 100644
index 000000000..0a9f5359a
--- /dev/null
+++ b/e2fsprogs/e2p/fgetsetflags.c
@@ -0,0 +1,69 @@
+/*
+ * fgetflags.c		- Get a file flags on an ext2 file system
+ * 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"
+
+#ifdef O_LARGEFILE
+#define OPEN_FLAGS (O_RDONLY|O_NONBLOCK|O_LARGEFILE)
+#else
+#define OPEN_FLAGS (O_RDONLY|O_NONBLOCK)
+#endif
+
+int fgetsetflags (const char * name, unsigned long * get_flags, unsigned long set_flags)
+{
+#if HAVE_EXT2_IOCTLS
+	struct stat buf;
+	int fd, r, f, save_errno = 0;
+
+	if (!stat(name, &buf) &&
+	    !S_ISREG(buf.st_mode) && !S_ISDIR(buf.st_mode)) {
+		goto notsupp;
+	}
+	fd = open (name, OPEN_FLAGS);
+	if (fd == -1)
+		return -1;
+	if (!get_flags) {
+		f = (int) set_flags;
+		r = ioctl (fd, EXT2_IOC_SETFLAGS, &f);
+	} else {
+		r = ioctl (fd, EXT2_IOC_GETFLAGS, &f);
+		*get_flags = f;
+	}
+	if (r == -1)
+		save_errno = errno;
+	close (fd);
+	if (save_errno)
+		errno = save_errno;
+	return r;
+#endif /* HAVE_EXT2_IOCTLS */
+notsupp:
+	errno = EOPNOTSUPP;
+	return -1;
+}
-- 
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