diff options
Diffstat (limited to 'libs/androidfw/Idmap.cpp')
| -rw-r--r-- | libs/androidfw/Idmap.cpp | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/libs/androidfw/Idmap.cpp b/libs/androidfw/Idmap.cpp index 3ecd82b074a1..262e7df185b7 100644 --- a/libs/androidfw/Idmap.cpp +++ b/libs/androidfw/Idmap.cpp @@ -22,9 +22,10 @@ #include "android-base/logging.h" #include "android-base/stringprintf.h" #include "android-base/utf8.h" -#include "androidfw/misc.h" +#include "androidfw/AssetManager.h" #include "androidfw/ResourceTypes.h" #include "androidfw/Util.h" +#include "androidfw/misc.h" #include "utils/ByteOrder.h" #include "utils/Trace.h" @@ -268,11 +269,16 @@ LoadedIdmap::LoadedIdmap(const std::string& idmap_path, const Idmap_header* head configurations_(configs), overlay_entries_(overlay_entries), string_pool_(std::move(string_pool)), - idmap_fd_( - android::base::utf8::open(idmap_path.c_str(), O_RDONLY | O_CLOEXEC | O_BINARY | O_PATH)), overlay_apk_path_(overlay_apk_path), target_apk_path_(target_apk_path), - idmap_last_mod_time_(getFileModDate(idmap_fd_.get())) { + idmap_last_mod_time_(kInvalidModDate) { + if (!isReadonlyFilesystem(std::string(overlay_apk_path_).c_str()) || + !(target_apk_path_ == AssetManager::TARGET_APK_PATH || + isReadonlyFilesystem(std::string(target_apk_path_).c_str()))) { + idmap_fd_.reset( + android::base::utf8::open(idmap_path.c_str(), O_RDONLY | O_CLOEXEC | O_BINARY | O_PATH)); + idmap_last_mod_time_ = getFileModDate(idmap_fd_); + } } std::unique_ptr<LoadedIdmap> LoadedIdmap::Load(StringPiece idmap_path, StringPiece idmap_data) { @@ -381,8 +387,11 @@ std::unique_ptr<LoadedIdmap> LoadedIdmap::Load(StringPiece idmap_path, StringPie overlay_entries, std::move(idmap_string_pool), *overlay_path, *target_path)); } -bool LoadedIdmap::IsUpToDate() const { - return idmap_last_mod_time_ == getFileModDate(idmap_fd_.get()); +UpToDate LoadedIdmap::IsUpToDate() const { + if (idmap_last_mod_time_ == kInvalidModDate) { + return UpToDate::Always; + } + return fromBool(idmap_last_mod_time_ == getFileModDate(idmap_fd_.get())); } } // namespace android |