clang-format many files.

Test: Format-only changes; treehugger suffices.
Change-Id: I23cde3f0bbcac13bef555d13514e922c79d5ad48
diff --git a/Ext4Crypt.cpp b/Ext4Crypt.cpp
index 67b7e90..21071d4 100644
--- a/Ext4Crypt.cpp
+++ b/Ext4Crypt.cpp
@@ -31,12 +31,12 @@
 #include <dirent.h>
 #include <errno.h>
 #include <fcntl.h>
-#include <unistd.h>
 #include <limits.h>
 #include <selinux/android.h>
 #include <sys/mount.h>
 #include <sys/stat.h>
 #include <sys/types.h>
+#include <unistd.h>
 
 #include <private/android_filesystem_config.h>
 
@@ -93,7 +93,7 @@
 // TODO abolish this map, per b/26948053
 std::map<userid_t, KeyBuffer> s_ce_keys;
 
-}
+}  // namespace
 
 static bool e4crypt_is_emulated() {
     return property_get_bool("persist.sys.emulate_fbe", false);
@@ -145,8 +145,7 @@
 }
 
 static bool get_ce_key_new_path(const std::string& directory_path,
-                                const std::vector<std::string>& paths,
-                                std::string *ce_key_path) {
+                                const std::vector<std::string>& paths, std::string* ce_key_path) {
     if (paths.empty()) {
         *ce_key_path = get_ce_key_current_path(directory_path);
         return true;
@@ -163,9 +162,9 @@
 
 // Discard all keys but the named one; rename it to canonical name.
 // No point in acting on errors in this; ignore them.
-static void fixate_user_ce_key(const std::string& directory_path, const std::string &to_fix,
+static void fixate_user_ce_key(const std::string& directory_path, const std::string& to_fix,
                                const std::vector<std::string>& paths) {
-    for (auto const other_path: paths) {
+    for (auto const other_path : paths) {
         if (other_path != to_fix) {
             android::vold::destroyKey(other_path);
         }
@@ -181,10 +180,10 @@
 
 static bool read_and_fixate_user_ce_key(userid_t user_id,
                                         const android::vold::KeyAuthentication& auth,
-                                        KeyBuffer *ce_key) {
+                                        KeyBuffer* ce_key) {
     auto const directory_path = get_ce_key_directory_path(user_id);
     auto const paths = get_ce_key_paths(directory_path);
-    for (auto const ce_key_path: paths) {
+    for (auto const ce_key_path : paths) {
         LOG(DEBUG) << "Trying user CE key " << ce_key_path;
         if (android::vold::retrieveKey(ce_key_path, auth, ce_key)) {
             LOG(DEBUG) << "Successfully retrieved key";
@@ -242,12 +241,14 @@
         auto const paths = get_ce_key_paths(directory_path);
         std::string ce_key_path;
         if (!get_ce_key_new_path(directory_path, paths, &ce_key_path)) return false;
-        if (!android::vold::storeKeyAtomically(ce_key_path, user_key_temp,
-                kEmptyAuthentication, ce_key)) return false;
+        if (!android::vold::storeKeyAtomically(ce_key_path, user_key_temp, kEmptyAuthentication,
+                                               ce_key))
+            return false;
         fixate_user_ce_key(directory_path, ce_key_path, paths);
         // Write DE key second; once this is written, all is good.
         if (!android::vold::storeKeyAtomically(get_de_key_path(user_id), user_key_temp,
-                kEmptyAuthentication, de_key)) return false;
+                                               kEmptyAuthentication, de_key))
+            return false;
     }
     std::string de_raw_ref;
     if (!android::vold::installKey(de_key, &de_raw_ref)) return false;
@@ -440,14 +441,14 @@
     bool success = true;
     std::string raw_ref;
     success &= evict_ce_key(user_id);
-    success &= lookup_key_ref(s_de_key_raw_refs, user_id, &raw_ref)
-        && android::vold::evictKey(raw_ref);
+    success &=
+        lookup_key_ref(s_de_key_raw_refs, user_id, &raw_ref) && android::vold::evictKey(raw_ref);
     s_de_key_raw_refs.erase(user_id);
     auto it = s_ephemeral_users.find(user_id);
     if (it != s_ephemeral_users.end()) {
         s_ephemeral_users.erase(it);
     } else {
-        for (auto const path: get_ce_key_paths(get_ce_key_directory_path(user_id))) {
+        for (auto const path : get_ce_key_paths(get_ce_key_directory_path(user_id))) {
             success &= android::vold::destroyKey(path);
         }
         auto de_key_path = get_de_key_path(user_id);
@@ -556,14 +557,14 @@
     std::string token, secret;
     if (!parse_hex(token_hex, &token)) return false;
     if (!parse_hex(secret_hex, &secret)) return false;
-    auto auth = secret.empty() ? kEmptyAuthentication
-                                   : android::vold::KeyAuthentication(token, secret);
+    auto auth =
+        secret.empty() ? kEmptyAuthentication : android::vold::KeyAuthentication(token, secret);
     auto it = s_ce_keys.find(user_id);
     if (it == s_ce_keys.end()) {
         LOG(ERROR) << "Key not loaded into memory, can't change for user " << user_id;
         return false;
     }
-    const auto &ce_key = it->second;
+    const auto& ce_key = it->second;
     auto const directory_path = get_ce_key_directory_path(user_id);
     auto const paths = get_ce_key_paths(directory_path);
     std::string ce_key_path;
@@ -670,7 +671,8 @@
             if (!prepare_dir(system_legacy_path, 0700, AID_SYSTEM, AID_SYSTEM)) return false;
 #if MANAGE_MISC_DIRS
             if (!prepare_dir(misc_legacy_path, 0750, multiuser_get_uid(user_id, AID_SYSTEM),
-                    multiuser_get_uid(user_id, AID_EVERYBODY))) return false;
+                             multiuser_get_uid(user_id, AID_EVERYBODY)))
+                return false;
 #endif
             if (!prepare_dir(profiles_de_path, 0771, AID_SYSTEM, AID_SYSTEM)) return false;