53 static int OpenAndReadMagic(const char* filename, uint32_t* magic, std::string* error_msg) {  in OpenAndReadMagic()  argument
57     *error_msg = StringPrintf("Unable to open '%s' : %s", filename, strerror(errno));  in OpenAndReadMagic()
62     *error_msg = StringPrintf("Failed to find magic in '%s'", filename);  in OpenAndReadMagic()
66     *error_msg = StringPrintf("Failed to seek to beginning of file '%s' : %s", filename,  in OpenAndReadMagic()
73 bool DexFile::GetChecksum(const char* filename, uint32_t* checksum, std::string* error_msg) {  in GetChecksum()  argument
89   ScopedFd fd(OpenAndReadMagic(file_part, &magic, error_msg));  in GetChecksum()
91     DCHECK(!error_msg->empty());  in GetChecksum()
95 …std::unique_ptr<ZipArchive> zip_archive(ZipArchive::OpenFromFd(fd.release(), filename, error_msg));  in GetChecksum()
97       *error_msg = StringPrintf("Failed to open zip archive '%s'", file_part);  in GetChecksum()
100     std::unique_ptr<ZipEntry> zip_entry(zip_archive->Find(zip_entry_name, error_msg));  in GetChecksum()
102       *error_msg = StringPrintf("Zip archive '%s' doesn't contain %s (error msg: %s)", file_part,  in GetChecksum()
103                                 zip_entry_name, error_msg->c_str());  in GetChecksum()
110 …d::unique_ptr<const DexFile> dex_file(DexFile::OpenFile(fd.release(), filename, false, error_msg));  in GetChecksum()
117   *error_msg = StringPrintf("Expected valid zip or dex file: '%s'", filename);  in GetChecksum()
121 bool DexFile::Open(const char* filename, const char* location, std::string* error_msg,  in Open()  argument
124   ScopedFd fd(OpenAndReadMagic(filename, &magic, error_msg));  in Open()
126     DCHECK(!error_msg->empty());  in Open()
130     return DexFile::OpenZip(fd.release(), location, error_msg, dex_files);  in Open()
134                                                               error_msg));  in Open()
142   *error_msg = StringPrintf("Expected valid zip or dex file: '%s'", filename);  in Open()
177                                  std::string* error_msg) {  in OpenFile()  argument
185       *error_msg = StringPrintf("DexFile: fstat '%s' failed: %s", location, strerror(errno));  in OpenFile()
189       *error_msg = StringPrintf("Attempt to mmap directory '%s'", location);  in OpenFile()
193     map.reset(MemMap::MapFile(length, PROT_READ, MAP_PRIVATE, fd, 0, location, error_msg));  in OpenFile()
195       DCHECK(!error_msg->empty());  in OpenFile()
201     *error_msg = StringPrintf(  in OpenFile()
208   const DexFile* dex_file = OpenMemory(location, dex_header->checksum_, map.release(), error_msg);  in OpenFile()
210     *error_msg = StringPrintf("Failed to open dex file '%s' from memory: %s", location,  in OpenFile()
211                               error_msg->c_str());  in OpenFile()
216                                          error_msg)) {  in OpenFile()
225 bool DexFile::OpenZip(int fd, const std::string& location, std::string* error_msg,  in OpenZip()  argument
227   std::unique_ptr<ZipArchive> zip_archive(ZipArchive::OpenFromFd(fd, location.c_str(), error_msg));  in OpenZip()
229     DCHECK(!error_msg->empty());  in OpenZip()
232   return DexFile::OpenFromZip(*zip_archive, location, error_msg, dex_files);  in OpenZip()
238                                    std::string* error_msg) {  in OpenMemory()  argument
245                     error_msg);  in OpenMemory()
249                              const std::string& location, std::string* error_msg,  in Open()  argument
252   std::unique_ptr<ZipEntry> zip_entry(zip_archive.Find(entry_name, error_msg));  in Open()
257   std::unique_ptr<MemMap> map(zip_entry->ExtractToMemMap(location.c_str(), entry_name, error_msg));  in Open()
259     *error_msg = StringPrintf("Failed to extract '%s' from '%s': %s", entry_name, location.c_str(),  in Open()
260                               error_msg->c_str());  in Open()
265                                                error_msg));  in Open()
267     *error_msg = StringPrintf("Failed to open dex file '%s' from memory: %s", location.c_str(),  in Open()
268                               error_msg->c_str());  in Open()
273     *error_msg = StringPrintf("Failed to make dex file '%s' read only", location.c_str());  in Open()
279                                location.c_str(), error_msg)) {  in Open()
288                           std::string* error_msg, std::vector<const DexFile*>* dex_files) {  in OpenFromZip()  argument
290   std::unique_ptr<const DexFile> dex_file(Open(zip_archive, kClassesDex, location, error_msg,  in OpenFromZip()
308                                                         error_msg, &error_code));  in OpenFromZip()
311           LOG(WARNING) << error_msg;  in OpenFromZip()
332                                    std::string* error_msg) {  in OpenMemory()  argument
336   if (!dex_file->Init(error_msg)) {  in OpenMemory()
377 bool DexFile::Init(std::string* error_msg) {  in Init()  argument
378   if (!CheckMagicAndVersion(error_msg)) {  in Init()
384 bool DexFile::CheckMagicAndVersion(std::string* error_msg) const {  in CheckMagicAndVersion()
392     *error_msg = oss.str();  in CheckMagicAndVersion()
402     *error_msg = oss.str();  in CheckMagicAndVersion()