From 8c59a0bf0e9e2d87b0ff273ea3f0bf05bbbf6373 Mon Sep 17 00:00:00 2001
From: nobody
Date: Wed, 13 Oct 2004 09:42:10 +0000
Subject: This commit was manufactured by cvs2svn to create tag 'busybox_1_00'.

---
 busybox/libbb/find_mount_point.c | 75 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 busybox/libbb/find_mount_point.c

(limited to 'busybox/libbb/find_mount_point.c')

diff --git a/busybox/libbb/find_mount_point.c b/busybox/libbb/find_mount_point.c
new file mode 100644
index 0000000..83824de
--- /dev/null
+++ b/busybox/libbb/find_mount_point.c
@@ -0,0 +1,75 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include "libbb.h"
+
+
+#include <mntent.h>
+/*
+ * Given a block device, find the mount table entry if that block device
+ * is mounted.
+ *
+ * Given any other file (or directory), find the mount table entry for its
+ * filesystem.
+ */
+extern struct mntent *find_mount_point(const char *name, const char *table)
+{
+	struct stat s;
+	dev_t mountDevice;
+	FILE *mountTable;
+	struct mntent *mountEntry;
+
+	if (stat(name, &s) != 0)
+		return 0;
+
+	if ((s.st_mode & S_IFMT) == S_IFBLK)
+		mountDevice = s.st_rdev;
+	else
+		mountDevice = s.st_dev;
+
+
+	if ((mountTable = setmntent(table, "r")) == 0)
+		return 0;
+
+	while ((mountEntry = getmntent(mountTable)) != 0) {
+		if (strcmp(name, mountEntry->mnt_dir) == 0
+			|| strcmp(name, mountEntry->mnt_fsname) == 0)	/* String match. */
+			break;
+		if (stat(mountEntry->mnt_fsname, &s) == 0 && s.st_rdev == mountDevice)	/* Match the device. */
+			break;
+		if (stat(mountEntry->mnt_dir, &s) == 0 && s.st_dev == mountDevice)	/* Match the directory's mount point. */
+			break;
+	}
+	endmntent(mountTable);
+	return mountEntry;
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
-- 
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