59 static int OpenAndReadMagic(const char* filename, uint32_t* magic, std::string* error_msg) {  in OpenAndReadMagic()  argument
61   ScopedFd fd(open(filename, O_RDONLY, 0));  in OpenAndReadMagic()
63     *error_msg = StringPrintf("Unable to open '%s' : %s", filename, strerror(errno));  in OpenAndReadMagic()
68     *error_msg = StringPrintf("Failed to find magic in '%s'", filename);  in OpenAndReadMagic()
72     *error_msg = StringPrintf("Failed to seek to beginning of file '%s' : %s", filename,  in OpenAndReadMagic()
79 bool DexFile::GetChecksum(const char* filename, uint32_t* checksum, std::string* error_msg) {  in GetChecksum()  argument
85   const char* file_part = filename;  in GetChecksum()
88   if (DexFile::IsMultiDexLocation(filename)) {  in GetChecksum()
89     file_part_storage = GetBaseLocation(filename);  in GetChecksum()
91     zip_entry_name = filename + file_part_storage.size() + 1;  in GetChecksum()
102         ZipArchive::OpenFromFd(fd.release(), filename, error_msg));  in GetChecksum()
119         DexFile::OpenFile(fd.release(), filename, false, error_msg));  in GetChecksum()
126   *error_msg = StringPrintf("Expected valid zip or dex file: '%s'", filename);  in GetChecksum()
130 bool DexFile::Open(const char* filename, const char* location, std::string* error_msg,  in Open()  argument
134   ScopedFd fd(OpenAndReadMagic(filename, &magic, error_msg));  in Open()
152   *error_msg = StringPrintf("Expected valid zip or dex file: '%s'", filename);  in Open()
156 static bool ContainsClassesDex(int fd, const char* filename) {  in ContainsClassesDex()  argument
158   std::unique_ptr<ZipArchive> zip_archive(ZipArchive::OpenFromFd(fd, filename, &error_msg));  in ContainsClassesDex()
166 bool DexFile::MaybeDex(const char* filename) {  in MaybeDex()  argument
169   ScopedFd fd(OpenAndReadMagic(filename, &magic, &error_msg));  in MaybeDex()
174     return ContainsClassesDex(fd.release(), filename);  in MaybeDex()