Merge changes from topic 'remove_bg_cgroup'

* changes:
  libcutils: only change cgroup when fd is initialized
  init.rc: remove bg_non_interactive cgroup
diff --git a/fs_mgr/fs_mgr.cpp b/fs_mgr/fs_mgr.cpp
index 6c84d73..6636be2 100644
--- a/fs_mgr/fs_mgr.cpp
+++ b/fs_mgr/fs_mgr.cpp
@@ -45,8 +45,7 @@
 #include <linux/fs.h>
 #include <linux/loop.h>
 #include <logwrap/logwrap.h>
-#include <private/android_filesystem_config.h>
-#include <private/android_logger.h>
+#include <private/android_logger.h>  // for __android_log_is_debuggable()
 
 #include "fs_mgr_priv.h"
 #include "fs_mgr_priv_avb.h"
diff --git a/fs_mgr/fs_mgr_verity.cpp b/fs_mgr/fs_mgr_verity.cpp
index 54a6f71..8c7a8ca 100644
--- a/fs_mgr/fs_mgr_verity.cpp
+++ b/fs_mgr/fs_mgr_verity.cpp
@@ -39,7 +39,6 @@
 #include <openssl/obj_mac.h>
 #include <openssl/rsa.h>
 #include <openssl/sha.h>
-#include <private/android_filesystem_config.h>
 
 #include "fec/io.h"
 
diff --git a/init/util.cpp b/init/util.cpp
index 888a366..c987181 100644
--- a/init/util.cpp
+++ b/init/util.cpp
@@ -163,7 +163,7 @@
 bool read_file(const char* path, std::string* content) {
     content->clear();
 
-    int fd = TEMP_FAILURE_RETRY(open(path, O_RDONLY|O_NOFOLLOW|O_CLOEXEC));
+    android::base::unique_fd fd(TEMP_FAILURE_RETRY(open(path, O_RDONLY | O_NOFOLLOW | O_CLOEXEC)));
     if (fd == -1) {
         return false;
     }
@@ -176,17 +176,16 @@
         return false;
     }
     if ((sb.st_mode & (S_IWGRP | S_IWOTH)) != 0) {
-        PLOG(ERROR) << "skipping insecure file '" << path << "'";
+        LOG(ERROR) << "skipping insecure file '" << path << "'";
         return false;
     }
 
-    bool okay = android::base::ReadFdToString(fd, content);
-    close(fd);
-    return okay;
+    return android::base::ReadFdToString(fd, content);
 }
 
 bool write_file(const char* path, const char* content) {
-    int fd = TEMP_FAILURE_RETRY(open(path, O_WRONLY|O_CREAT|O_NOFOLLOW|O_CLOEXEC, 0600));
+    android::base::unique_fd fd(
+        TEMP_FAILURE_RETRY(open(path, O_WRONLY | O_CREAT | O_NOFOLLOW | O_CLOEXEC, 0600)));
     if (fd == -1) {
         PLOG(ERROR) << "write_file: Unable to open '" << path << "'";
         return false;
@@ -195,7 +194,6 @@
     if (!success) {
         PLOG(ERROR) << "write_file: Unable to write to '" << path << "'";
     }
-    close(fd);
     return success;
 }
 
diff --git a/libcutils/fs_config.c b/libcutils/fs_config.c
index 1915ced..f99519a 100644
--- a/libcutils/fs_config.c
+++ b/libcutils/fs_config.c
@@ -52,21 +52,17 @@
 } __attribute__((__aligned__(sizeof(uint64_t))));
 
 /* My kingdom for <endian.h> */
-static inline uint16_t get2LE(const uint8_t* src)
-{
-    return src[0] | (src[1] << 8);
-}
+static inline uint16_t get2LE(const uint8_t* src) { return src[0] | (src[1] << 8); }
 
-static inline uint64_t get8LE(const uint8_t* src)
-{
+static inline uint64_t get8LE(const uint8_t* src) {
     uint32_t low, high;
 
     low = src[0] | (src[1] << 8) | (src[2] << 16) | (src[3] << 24);
     high = src[4] | (src[5] << 8) | (src[6] << 16) | (src[7] << 24);
-    return ((uint64_t) high << 32) | (uint64_t) low;
+    return ((uint64_t)high << 32) | (uint64_t)low;
 }
 
-#define ALIGN(x, alignment) ( ((x) + ((alignment) - 1)) & ~((alignment) - 1) )
+#define ALIGN(x, alignment) (((x) + ((alignment)-1)) & ~((alignment)-1))
 
 /* Rules for directories.
 ** These rules are applied based on "first match", so they
@@ -75,35 +71,37 @@
 */
 
 static const struct fs_path_config android_dirs[] = {
-    { 00770, AID_SYSTEM, AID_CACHE,  0, "cache" },
-    { 00500, AID_ROOT,   AID_ROOT,   0, "config" },
-    { 00771, AID_SYSTEM, AID_SYSTEM, 0, "data/app" },
-    { 00771, AID_SYSTEM, AID_SYSTEM, 0, "data/app-private" },
-    { 00771, AID_SYSTEM, AID_SYSTEM, 0, "data/app-ephemeral" },
-    { 00771, AID_ROOT,   AID_ROOT,   0, "data/dalvik-cache" },
-    { 00771, AID_SYSTEM, AID_SYSTEM, 0, "data/data" },
-    { 00771, AID_SHELL,  AID_SHELL,  0, "data/local/tmp" },
-    { 00771, AID_SHELL,  AID_SHELL,  0, "data/local" },
-    { 01771, AID_SYSTEM, AID_MISC,   0, "data/misc" },
-    { 00770, AID_DHCP,   AID_DHCP,   0, "data/misc/dhcp" },
+    /* clang-format off */
+    { 00770, AID_SYSTEM,       AID_CACHE,        0, "cache" },
+    { 00500, AID_ROOT,         AID_ROOT,         0, "config" },
+    { 00771, AID_SYSTEM,       AID_SYSTEM,       0, "data/app" },
+    { 00771, AID_SYSTEM,       AID_SYSTEM,       0, "data/app-private" },
+    { 00771, AID_SYSTEM,       AID_SYSTEM,       0, "data/app-ephemeral" },
+    { 00771, AID_ROOT,         AID_ROOT,         0, "data/dalvik-cache" },
+    { 00771, AID_SYSTEM,       AID_SYSTEM,       0, "data/data" },
+    { 00771, AID_SHELL,        AID_SHELL,        0, "data/local/tmp" },
+    { 00771, AID_SHELL,        AID_SHELL,        0, "data/local" },
+    { 00770, AID_DHCP,         AID_DHCP,         0, "data/misc/dhcp" },
     { 00771, AID_SHARED_RELRO, AID_SHARED_RELRO, 0, "data/misc/shared_relro" },
-    { 00775, AID_MEDIA_RW, AID_MEDIA_RW, 0, "data/media" },
-    { 00775, AID_MEDIA_RW, AID_MEDIA_RW, 0, "data/media/Music" },
-    { 00750, AID_ROOT,   AID_SHELL,  0, "data/nativetest" },
-    { 00750, AID_ROOT,   AID_SHELL,  0, "data/nativetest64" },
-    { 00775, AID_ROOT,   AID_ROOT,   0, "data/preloads" },
-    { 00771, AID_SYSTEM, AID_SYSTEM, 0, "data" },
-    { 00755, AID_ROOT,   AID_SYSTEM, 0, "mnt" },
-    { 00755, AID_ROOT,   AID_ROOT,   0, "root" },
-    { 00750, AID_ROOT,   AID_SHELL,  0, "sbin" },
-    { 00751, AID_ROOT,   AID_SDCARD_R, 0, "storage" },
-    { 00755, AID_ROOT,   AID_SHELL,  0, "system/bin" },
-    { 00755, AID_ROOT,   AID_SHELL,  0, "system/vendor" },
-    { 00755, AID_ROOT,   AID_SHELL,  0, "system/xbin" },
-    { 00755, AID_ROOT,   AID_ROOT,   0, "system/etc/ppp" },
-    { 00755, AID_ROOT,   AID_SHELL,  0, "vendor" },
-    { 00777, AID_ROOT,   AID_ROOT,   0, "sdcard" },
-    { 00755, AID_ROOT,   AID_ROOT,   0, 0 },
+    { 01771, AID_SYSTEM,       AID_MISC,         0, "data/misc" },
+    { 00775, AID_MEDIA_RW,     AID_MEDIA_RW,     0, "data/media/Music" },
+    { 00775, AID_MEDIA_RW,     AID_MEDIA_RW,     0, "data/media" },
+    { 00750, AID_ROOT,         AID_SHELL,        0, "data/nativetest" },
+    { 00750, AID_ROOT,         AID_SHELL,        0, "data/nativetest64" },
+    { 00775, AID_ROOT,         AID_ROOT,         0, "data/preloads" },
+    { 00771, AID_SYSTEM,       AID_SYSTEM,       0, "data" },
+    { 00755, AID_ROOT,         AID_SYSTEM,       0, "mnt" },
+    { 00755, AID_ROOT,         AID_ROOT,         0, "root" },
+    { 00750, AID_ROOT,         AID_SHELL,        0, "sbin" },
+    { 00777, AID_ROOT,         AID_ROOT,         0, "sdcard" },
+    { 00751, AID_ROOT,         AID_SDCARD_R,     0, "storage" },
+    { 00755, AID_ROOT,         AID_SHELL,        0, "system/bin" },
+    { 00755, AID_ROOT,         AID_ROOT,         0, "system/etc/ppp" },
+    { 00755, AID_ROOT,         AID_SHELL,        0, "system/vendor" },
+    { 00755, AID_ROOT,         AID_SHELL,        0, "system/xbin" },
+    { 00755, AID_ROOT,         AID_SHELL,        0, "vendor" },
+    { 00755, AID_ROOT,         AID_ROOT,         0, 0 },
+    /* clang-format on */
 };
 
 /* Rules for files.
@@ -112,34 +110,70 @@
 ** way up to the root. Prefixes ending in * denotes wildcard
 ** and will allow partial matches.
 */
-static const char conf_dir[] = "/system/etc/fs_config_dirs";
-static const char conf_file[] = "/system/etc/fs_config_files";
+static const char sys_conf_dir[] = "/system/etc/fs_config_dirs";
+static const char sys_conf_file[] = "/system/etc/fs_config_files";
+/* No restrictions are placed on the vendor and oem file-system config files,
+ * although the developer is advised to restrict the scope to the /vendor or
+ * oem/ file-system since the intent is to provide support for customized
+ * portions of a separate vendor.img or oem.img.  Has to remain open so that
+ * customization can also land on /system/vendor or /system/orm.  We expect
+ * build-time checking or filtering when constructing the associated
+ * fs_config_* files.
+ */
+static const char ven_conf_dir[] = "/vendor/etc/fs_config_dirs";
+static const char ven_conf_file[] = "/vendor/etc/fs_config_files";
+static const char oem_conf_dir[] = "/oem/etc/fs_config_dirs";
+static const char oem_conf_file[] = "/oem/etc/fs_config_files";
+static const char* conf[][2] = {
+    {sys_conf_file, sys_conf_dir}, {ven_conf_file, ven_conf_dir}, {oem_conf_file, oem_conf_dir},
+};
 
 static const struct fs_path_config android_files[] = {
+    /* clang-format off */
+    { 00644, AID_SYSTEM,    AID_SYSTEM,    0, "data/app/*" },
+    { 00644, AID_SYSTEM,    AID_SYSTEM,    0, "data/app-ephemeral/*" },
+    { 00644, AID_SYSTEM,    AID_SYSTEM,    0, "data/app-private/*" },
+    { 00644, AID_APP,       AID_APP,       0, "data/data/*" },
+    { 00644, AID_MEDIA_RW,  AID_MEDIA_RW,  0, "data/media/*" },
+    { 00640, AID_ROOT,      AID_SHELL,     0, "data/nativetest/tests.txt" },
+    { 00640, AID_ROOT,      AID_SHELL,     0, "data/nativetest64/tests.txt" },
+    { 00750, AID_ROOT,      AID_SHELL,     0, "data/nativetest/*" },
+    { 00750, AID_ROOT,      AID_SHELL,     0, "data/nativetest64/*" },
+    { 00600, AID_ROOT,      AID_ROOT,      0, "default.prop" },
+    { 00600, AID_ROOT,      AID_ROOT,      0, "odm/build.prop" },
+    { 00600, AID_ROOT,      AID_ROOT,      0, "odm/default.prop" },
+    { 00444, AID_ROOT,      AID_ROOT,      0, oem_conf_dir + 1 },
+    { 00444, AID_ROOT,      AID_ROOT,      0, oem_conf_file + 1 },
+    { 00750, AID_ROOT,      AID_SHELL,     0, "sbin/fs_mgr" },
+    { 00755, AID_ROOT,      AID_SHELL,     0, "system/bin/crash_dump32" },
+    { 00755, AID_ROOT,      AID_SHELL,     0, "system/bin/crash_dump64" },
+    { 00755, AID_ROOT,      AID_SHELL,     0, "system/bin/debuggerd" },
+    { 00750, AID_ROOT,      AID_ROOT,      0, "system/bin/install-recovery.sh" },
+    { 00700, AID_ROOT,      AID_ROOT,      0, "system/bin/secilc" },
+    { 00750, AID_ROOT,      AID_ROOT,      0, "system/bin/uncrypt" },
+    { 00600, AID_ROOT,      AID_ROOT,      0, "system/build.prop" },
+    { 00444, AID_ROOT,      AID_ROOT,      0, sys_conf_dir + 1 },
+    { 00444, AID_ROOT,      AID_ROOT,      0, sys_conf_file + 1 },
     { 00440, AID_ROOT,      AID_SHELL,     0, "system/etc/init.goldfish.rc" },
     { 00550, AID_ROOT,      AID_SHELL,     0, "system/etc/init.goldfish.sh" },
     { 00550, AID_ROOT,      AID_SHELL,     0, "system/etc/init.ril" },
     { 00555, AID_ROOT,      AID_ROOT,      0, "system/etc/ppp/*" },
     { 00555, AID_ROOT,      AID_ROOT,      0, "system/etc/rc.*" },
     { 00440, AID_ROOT,      AID_ROOT,      0, "system/etc/recovery.img" },
-    { 00444, AID_ROOT,      AID_ROOT,      0, conf_dir + 1 },
-    { 00444, AID_ROOT,      AID_ROOT,      0, conf_file + 1 },
-    { 00644, AID_SYSTEM,    AID_SYSTEM,    0, "data/app/*" },
-    { 00644, AID_MEDIA_RW,  AID_MEDIA_RW,  0, "data/media/*" },
-    { 00644, AID_SYSTEM,    AID_SYSTEM,    0, "data/app-private/*" },
-    { 00644, AID_SYSTEM,    AID_SYSTEM,    0, "data/app-ephemeral/*" },
-    { 00644, AID_APP,       AID_APP,       0, "data/data/*" },
-    { 00640, AID_ROOT,      AID_SHELL,     0, "data/nativetest/tests.txt" },
-    { 00640, AID_ROOT,      AID_SHELL,     0, "data/nativetest64/tests.txt" },
-    { 00750, AID_ROOT,      AID_SHELL,     0, "data/nativetest/*" },
-    { 00750, AID_ROOT,      AID_SHELL,     0, "data/nativetest64/*" },
+    { 00600, AID_ROOT,      AID_ROOT,      0, "vendor/build.prop" },
+    { 00600, AID_ROOT,      AID_ROOT,      0, "vendor/default.prop" },
+    { 00444, AID_ROOT,      AID_ROOT,      0, ven_conf_dir + 1 },
+    { 00444, AID_ROOT,      AID_ROOT,      0, ven_conf_file + 1 },
 
     /* the following two files are INTENTIONALLY set-uid, but they
      * are NOT included on user builds. */
-    { 04750, AID_ROOT,      AID_SHELL,     0, "system/xbin/su" },
     { 06755, AID_ROOT,      AID_ROOT,      0, "system/xbin/procmem" },
+    { 04750, AID_ROOT,      AID_SHELL,     0, "system/xbin/su" },
 
-    /* the following files have enhanced capabilities and ARE included in user builds. */
+    /* the following files have enhanced capabilities and ARE included
+     * in user builds. */
+    { 00700, AID_SYSTEM,    AID_SHELL,     CAP_MASK_LONG(CAP_BLOCK_SUSPEND),
+                                              "system/bin/inputflinger" },
     { 00550, AID_LOGD,      AID_LOGD,      CAP_MASK_LONG(CAP_SYSLOG) |
                                            CAP_MASK_LONG(CAP_AUDIT_CONTROL) |
                                            CAP_MASK_LONG(CAP_SETGID),
@@ -147,27 +181,27 @@
     { 00750, AID_ROOT,      AID_SHELL,     CAP_MASK_LONG(CAP_SETUID) |
                                            CAP_MASK_LONG(CAP_SETGID),
                                               "system/bin/run-as" },
-    { 00700, AID_SYSTEM,    AID_SHELL,     CAP_MASK_LONG(CAP_BLOCK_SUSPEND),
-                                              "system/bin/inputflinger" },
 
     /* Support FIFO scheduling mode in SurfaceFlinger. */
-    { 00755, AID_SYSTEM,    AID_GRAPHICS,     CAP_MASK_LONG(CAP_SYS_NICE), "system/bin/surfaceflinger" },
+    { 00755, AID_SYSTEM,    AID_GRAPHICS,  CAP_MASK_LONG(CAP_SYS_NICE),
+                                              "system/bin/surfaceflinger" },
 
     /* Support hostapd administering a network interface. */
     { 00755, AID_WIFI,      AID_WIFI,      CAP_MASK_LONG(CAP_NET_ADMIN) |
                                            CAP_MASK_LONG(CAP_NET_RAW),
                                               "system/bin/hostapd" },
 
+    /* Support Bluetooth legacy hal accessing /sys/class/rfkill */
+    { 00700, AID_BLUETOOTH, AID_BLUETOOTH, CAP_MASK_LONG(CAP_NET_ADMIN),
+                                              "vendor/bin/hw/android.hardware.bluetooth@1.0-service" },
+
     /* Support wifi_hal_legacy administering a network interface. */
     { 00755, AID_WIFI,      AID_WIFI,      CAP_MASK_LONG(CAP_NET_ADMIN) |
                                            CAP_MASK_LONG(CAP_NET_RAW),
                                               "vendor/bin/hw/android.hardware.wifi@1.0-service" },
 
-    /* Support Bluetooth legacy hal accessing /sys/class/rfkill */
-    { 00700, AID_BLUETOOTH, AID_BLUETOOTH, CAP_MASK_LONG(CAP_NET_ADMIN),
-                                              "vendor/bin/hw/android.hardware.bluetooth@1.0-service" },
-
-    /* A non-privileged zygote that spawns isolated processes for web rendering. */
+    /* A non-privileged zygote that spawns
+     * isolated processes for web rendering. */
     { 0750,  AID_ROOT,      AID_ROOT,      CAP_MASK_LONG(CAP_SETUID) |
                                            CAP_MASK_LONG(CAP_SETGID) |
                                            CAP_MASK_LONG(CAP_SETPCAP),
@@ -177,62 +211,49 @@
                                            CAP_MASK_LONG(CAP_SETPCAP),
                                               "system/bin/webview_zygote64" },
 
-    { 00755, AID_ROOT,      AID_SHELL,     0, "system/bin/crash_dump32" },
-    { 00755, AID_ROOT,      AID_SHELL,     0, "system/bin/crash_dump64" },
-    { 00755, AID_ROOT,      AID_SHELL,     0, "system/bin/debuggerd" },
-    { 00700, AID_ROOT,      AID_ROOT,      0, "system/bin/secilc" },
-    { 00750, AID_ROOT,      AID_ROOT,      0, "system/bin/uncrypt" },
-    { 00750, AID_ROOT,      AID_ROOT,      0, "system/bin/install-recovery.sh" },
+    /* generic defaults */
+    { 00755, AID_ROOT,      AID_ROOT,      0, "bin/*" },
+    { 00640, AID_ROOT,      AID_SHELL,     0, "fstab.*" },
+    { 00750, AID_ROOT,      AID_SHELL,     0, "init*" },
+    { 00750, AID_ROOT,      AID_SHELL,     0, "sbin/*" },
     { 00755, AID_ROOT,      AID_SHELL,     0, "system/bin/*" },
     { 00755, AID_ROOT,      AID_ROOT,      0, "system/lib/valgrind/*" },
     { 00755, AID_ROOT,      AID_ROOT,      0, "system/lib64/valgrind/*" },
-    { 00755, AID_ROOT,      AID_SHELL,     0, "system/xbin/*" },
     { 00755, AID_ROOT,      AID_SHELL,     0, "system/vendor/bin/*" },
     { 00755, AID_ROOT,      AID_SHELL,     0, "system/vendor/xbin/*" },
+    { 00755, AID_ROOT,      AID_SHELL,     0, "system/xbin/*" },
     { 00755, AID_ROOT,      AID_SHELL,     0, "vendor/bin/*" },
     { 00755, AID_ROOT,      AID_SHELL,     0, "vendor/xbin/*" },
-    { 00750, AID_ROOT,      AID_SHELL,     0, "sbin/*" },
-    { 00755, AID_ROOT,      AID_ROOT,      0, "bin/*" },
-    { 00750, AID_ROOT,      AID_SHELL,     0, "init*" },
-    { 00750, AID_ROOT,      AID_SHELL,     0, "sbin/fs_mgr" },
-    { 00640, AID_ROOT,      AID_SHELL,     0, "fstab.*" },
-    { 00600, AID_ROOT,      AID_ROOT,      0, "system/build.prop" },
-    { 00600, AID_ROOT,      AID_ROOT,      0, "vendor/build.prop" },
-    { 00600, AID_ROOT,      AID_ROOT,      0, "odm/build.prop" },
-    { 00600, AID_ROOT,      AID_ROOT,      0, "default.prop" },
-    { 00600, AID_ROOT,      AID_ROOT,      0, "vendor/default.prop" },
-    { 00600, AID_ROOT,      AID_ROOT,      0, "odm/default.prop" },
     { 00644, AID_ROOT,      AID_ROOT,      0, 0 },
+    /* clang-format on */
 };
 
-static int fs_config_open(int dir, const char *target_out_path)
-{
+static int fs_config_open(int dir, int which, const char* target_out_path) {
     int fd = -1;
 
     if (target_out_path && *target_out_path) {
-        /* target_out_path is the path to the directory holding content of system partition
-           but as we cannot guaranty it ends with '/system' we need this below skip_len logic */
-        char *name = NULL;
+        /* target_out_path is the path to the directory holding content of
+         * system partition but as we cannot guaranty it ends with '/system'
+         * we need this below skip_len logic */
+        char* name = NULL;
         int target_out_path_len = strlen(target_out_path);
         int skip_len = strlen("/system");
 
         if (target_out_path[target_out_path_len] == '/') {
             skip_len++;
         }
-        if (asprintf(&name, "%s%s", target_out_path, (dir ? conf_dir : conf_file) + skip_len) != -1) {
+        if (asprintf(&name, "%s%s", target_out_path, conf[which][dir] + skip_len) != -1) {
             fd = TEMP_FAILURE_RETRY(open(name, O_RDONLY | O_BINARY));
             free(name);
         }
     }
     if (fd < 0) {
-        fd = TEMP_FAILURE_RETRY(open(dir ? conf_dir : conf_file, O_RDONLY | O_BINARY));
+        fd = TEMP_FAILURE_RETRY(open(conf[which][dir], O_RDONLY | O_BINARY));
     }
     return fd;
 }
 
-static bool fs_config_cmp(bool dir, const char *prefix, size_t len,
-                                    const char *path, size_t plen)
-{
+static bool fs_config_cmp(bool dir, const char* prefix, size_t len, const char* path, size_t plen) {
     if (dir) {
         if (plen < len) {
             return false;
@@ -249,11 +270,10 @@
     return !strncmp(prefix, path, len);
 }
 
-void fs_config(const char *path, int dir, const char *target_out_path,
-               unsigned *uid, unsigned *gid, unsigned *mode, uint64_t *capabilities)
-{
-    const struct fs_path_config *pc;
-    int fd, plen;
+void fs_config(const char* path, int dir, const char* target_out_path, unsigned* uid, unsigned* gid,
+               unsigned* mode, uint64_t* capabilities) {
+    const struct fs_path_config* pc;
+    size_t which, plen;
 
     if (path[0] == '/') {
         path++;
@@ -261,41 +281,43 @@
 
     plen = strlen(path);
 
-    fd = fs_config_open(dir, target_out_path);
-    if (fd >= 0) {
+    for (which = 0; which < (sizeof(conf) / sizeof(conf[0])); ++which) {
         struct fs_path_config_from_file header;
 
+        int fd = fs_config_open(dir, which, target_out_path);
+        if (fd < 0) continue;
+
         while (TEMP_FAILURE_RETRY(read(fd, &header, sizeof(header))) == sizeof(header)) {
-            char *prefix;
-            uint16_t host_len = get2LE((const uint8_t *)&header.len);
+            char* prefix;
+            uint16_t host_len = get2LE((const uint8_t*)&header.len);
             ssize_t len, remainder = host_len - sizeof(header);
             if (remainder <= 0) {
-                ALOGE("%s len is corrupted", dir ? conf_dir : conf_file);
+                ALOGE("%s len is corrupted", conf[which][dir]);
                 break;
             }
             prefix = calloc(1, remainder);
             if (!prefix) {
-                ALOGE("%s out of memory", dir ? conf_dir : conf_file);
+                ALOGE("%s out of memory", conf[which][dir]);
                 break;
             }
             if (TEMP_FAILURE_RETRY(read(fd, prefix, remainder)) != remainder) {
                 free(prefix);
-                ALOGE("%s prefix is truncated", dir ? conf_dir : conf_file);
+                ALOGE("%s prefix is truncated", conf[which][dir]);
                 break;
             }
             len = strnlen(prefix, remainder);
             if (len >= remainder) { /* missing a terminating null */
                 free(prefix);
-                ALOGE("%s is corrupted", dir ? conf_dir : conf_file);
+                ALOGE("%s is corrupted", conf[which][dir]);
                 break;
             }
             if (fs_config_cmp(dir, prefix, len, path, plen)) {
                 free(prefix);
                 close(fd);
-                *uid = get2LE((const uint8_t *)&(header.uid));
-                *gid = get2LE((const uint8_t *)&(header.gid));
-                *mode = (*mode & (~07777)) | get2LE((const uint8_t *)&(header.mode));
-                *capabilities = get8LE((const uint8_t *)&(header.capabilities));
+                *uid = get2LE((const uint8_t*)&(header.uid));
+                *gid = get2LE((const uint8_t*)&(header.gid));
+                *mode = (*mode & (~07777)) | get2LE((const uint8_t*)&(header.mode));
+                *capabilities = get8LE((const uint8_t*)&(header.capabilities));
                 return;
             }
             free(prefix);
@@ -303,8 +325,7 @@
         close(fd);
     }
 
-    pc = dir ? android_dirs : android_files;
-    for(; pc->prefix; pc++){
+    for (pc = dir ? android_dirs : android_files; pc->prefix; pc++) {
         if (fs_config_cmp(dir, pc->prefix, strlen(pc->prefix), path, plen)) {
             break;
         }
@@ -315,9 +336,8 @@
     *capabilities = pc->capabilities;
 }
 
-ssize_t fs_config_generate(char *buffer, size_t length, const struct fs_path_config *pc)
-{
-    struct fs_path_config_from_file *p = (struct fs_path_config_from_file *)buffer;
+ssize_t fs_config_generate(char* buffer, size_t length, const struct fs_path_config* pc) {
+    struct fs_path_config_from_file* p = (struct fs_path_config_from_file*)buffer;
     size_t len = ALIGN(sizeof(*p) + strlen(pc->prefix) + 1, sizeof(uint64_t));
 
     if ((length < len) || (len > UINT16_MAX)) {
@@ -325,11 +345,11 @@
     }
     memset(p, 0, len);
     uint16_t host_len = len;
-    p->len = get2LE((const uint8_t *)&host_len);
-    p->mode = get2LE((const uint8_t *)&(pc->mode));
-    p->uid = get2LE((const uint8_t *)&(pc->uid));
-    p->gid = get2LE((const uint8_t *)&(pc->gid));
-    p->capabilities = get8LE((const uint8_t *)&(pc->capabilities));
+    p->len = get2LE((const uint8_t*)&host_len);
+    p->mode = get2LE((const uint8_t*)&(pc->mode));
+    p->uid = get2LE((const uint8_t*)&(pc->uid));
+    p->gid = get2LE((const uint8_t*)&(pc->gid));
+    p->capabilities = get8LE((const uint8_t*)&(pc->capabilities));
     strcpy(p->prefix, pc->prefix);
     return len;
 }
diff --git a/libunwindstack/.clang-format b/libunwindstack/.clang-format
new file mode 120000
index 0000000..fd0645f
--- /dev/null
+++ b/libunwindstack/.clang-format
@@ -0,0 +1 @@
+../.clang-format-2
\ No newline at end of file