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authorTao Bao <tbao@google.com>2019-10-01 21:08:33 +0200
committerTao Bao <tbao@google.com>2019-10-01 21:13:04 +0200
commitd628cfc15316605ad541c4cec683462a57458d75 (patch)
treedab464db716b2dbc813bfbe937e70135430b538f /otautil/mounts.cpp
parentotautil: roots.cpp no longer needs 'mounts.h'. (diff)
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Diffstat (limited to 'otautil/mounts.cpp')
-rw-r--r--otautil/mounts.cpp82
1 files changed, 0 insertions, 82 deletions
diff --git a/otautil/mounts.cpp b/otautil/mounts.cpp
deleted file mode 100644
index 951311bf3..000000000
--- a/otautil/mounts.cpp
+++ /dev/null
@@ -1,82 +0,0 @@
-/*
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "otautil/mounts.h"
-
-#include <errno.h>
-#include <fcntl.h>
-#include <mntent.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/mount.h>
-
-#include <string>
-#include <vector>
-
-#include <android-base/logging.h>
-
-struct MountedVolume {
- std::string device;
- std::string mount_point;
- std::string filesystem;
- std::string flags;
-};
-
-static std::vector<MountedVolume*> g_mounts_state;
-
-bool scan_mounted_volumes() {
- for (size_t i = 0; i < g_mounts_state.size(); ++i) {
- delete g_mounts_state[i];
- }
- g_mounts_state.clear();
-
- // Open and read mount table entries.
- FILE* fp = setmntent("/proc/mounts", "re");
- if (fp == NULL) {
- return false;
- }
- mntent* e;
- while ((e = getmntent(fp)) != NULL) {
- MountedVolume* v = new MountedVolume;
- v->device = e->mnt_fsname;
- v->mount_point = e->mnt_dir;
- v->filesystem = e->mnt_type;
- v->flags = e->mnt_opts;
- g_mounts_state.push_back(v);
- }
- endmntent(fp);
- return true;
-}
-
-MountedVolume* find_mounted_volume_by_mount_point(const char* mount_point) {
- for (size_t i = 0; i < g_mounts_state.size(); ++i) {
- if (g_mounts_state[i]->mount_point == mount_point) return g_mounts_state[i];
- }
- return nullptr;
-}
-
-int unmount_mounted_volume(MountedVolume* volume) {
- // Intentionally pass the empty string to umount if the caller tries to unmount a volume they
- // already unmounted using this function.
- std::string mount_point = volume->mount_point;
- volume->mount_point.clear();
- int result = umount(mount_point.c_str());
- if (result == -1) {
- PLOG(WARNING) << "Failed to umount " << mount_point;
- }
- return result;
-}