diff options
Diffstat (limited to 'otautil/mounts.cpp')
-rw-r--r-- | otautil/mounts.cpp | 82 |
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; -} |