53 static int OpenAndReadMagic(const char* filename, uint32_t* magic, std::string* error_msg) {  in OpenAndReadMagic()  argument
54   CHECK(magic != NULL);  in OpenAndReadMagic()
60   int n = TEMP_FAILURE_RETRY(read(fd.get(), magic, sizeof(*magic)));  in OpenAndReadMagic()
61   if (n != sizeof(*magic)) {  in OpenAndReadMagic()
75   uint32_t magic;  in GetChecksum()  local
89   ScopedFd fd(OpenAndReadMagic(file_part, &magic, error_msg));  in GetChecksum()
94   if (IsZipMagic(magic)) {  in GetChecksum()
109   if (IsDexMagic(magic)) {  in GetChecksum()
123   uint32_t magic;  in Open()  local
124   ScopedFd fd(OpenAndReadMagic(filename, &magic, error_msg));  in Open()
129   if (IsZipMagic(magic)) {  in Open()
132   if (IsDexMagic(magic)) {  in Open()
408 bool DexFile::IsMagicValid(const byte* magic) {  in IsMagicValid()  argument
409   return (memcmp(magic, kDexMagic, sizeof(kDexMagic)) == 0);  in IsMagicValid()
412 bool DexFile::IsVersionValid(const byte* magic) {  in IsVersionValid()  argument
413   const byte* version = &magic[sizeof(kDexMagic)];  in IsVersionValid()