4527 ov.OffsetHigh = (DWORD)(offset >> 32);
4528
4529 HANDLE h = (HANDLE)::_get_osfhandle(fd);
4530
4531 result = ReadFile(h, (LPVOID)buf, nBytes, &nread, &ov);
4532
4533 return result ? nread : 0;
4534 }
4535
4536
4537 // This method is a slightly reworked copy of JDK's sysNativePath
4538 // from src/windows/hpi/src/path_md.c
4539
4540 // Convert a pathname to native format. On win32, this involves forcing all
4541 // separators to be '\\' rather than '/' (both are legal inputs, but Win95
4542 // sometimes rejects '/') and removing redundant separators. The input path is
4543 // assumed to have been converted into the character encoding used by the local
4544 // system. Because this might be a double-byte encoding, care is taken to
4545 // treat double-byte lead characters correctly.
4546 //
4547 // This procedure modifies the given path in place, as the result is never
4548 // longer than the original. There is no error return; this operation always
4549 // succeeds.
4550 char * os::native_path(char *path) {
4551 char *src = path, *dst = path, *end = path;
4552 char *colon = NULL; // If a drive specifier is found, this will
4553 // point to the colon following the drive letter
4554
4555 // Assumption: '/', '\\', ':', and drive letters are never lead bytes
4556 assert(((!::IsDBCSLeadByte('/')) && (!::IsDBCSLeadByte('\\'))
4557 && (!::IsDBCSLeadByte(':'))), "Illegal lead byte");
4558
4559 // Check for leading separators
4560 #define isfilesep(c) ((c) == '/' || (c) == '\\')
4561 while (isfilesep(*src)) {
4562 src++;
4563 }
4564
4565 if (::isalpha(*src) && !::IsDBCSLeadByte(*src) && src[1] == ':') {
4566 // Remove leading separators if followed by drive specifier. This
|
4527 ov.OffsetHigh = (DWORD)(offset >> 32);
4528
4529 HANDLE h = (HANDLE)::_get_osfhandle(fd);
4530
4531 result = ReadFile(h, (LPVOID)buf, nBytes, &nread, &ov);
4532
4533 return result ? nread : 0;
4534 }
4535
4536
4537 // This method is a slightly reworked copy of JDK's sysNativePath
4538 // from src/windows/hpi/src/path_md.c
4539
4540 // Convert a pathname to native format. On win32, this involves forcing all
4541 // separators to be '\\' rather than '/' (both are legal inputs, but Win95
4542 // sometimes rejects '/') and removing redundant separators. The input path is
4543 // assumed to have been converted into the character encoding used by the local
4544 // system. Because this might be a double-byte encoding, care is taken to
4545 // treat double-byte lead characters correctly.
4546 //
4547 // On Posix platforms, this function is a noop; it just returns the
4548 // input argument unchanged.
4549 //
4550 // This procedure modifies the given path in place, as the result is never
4551 // longer than the original. There is no error return; this operation always
4552 // succeeds.
4553 char * os::native_path(char *path) {
4554 char *src = path, *dst = path, *end = path;
4555 char *colon = NULL; // If a drive specifier is found, this will
4556 // point to the colon following the drive letter
4557
4558 // Assumption: '/', '\\', ':', and drive letters are never lead bytes
4559 assert(((!::IsDBCSLeadByte('/')) && (!::IsDBCSLeadByte('\\'))
4560 && (!::IsDBCSLeadByte(':'))), "Illegal lead byte");
4561
4562 // Check for leading separators
4563 #define isfilesep(c) ((c) == '/' || (c) == '\\')
4564 while (isfilesep(*src)) {
4565 src++;
4566 }
4567
4568 if (::isalpha(*src) && !::IsDBCSLeadByte(*src) && src[1] == ':') {
4569 // Remove leading separators if followed by drive specifier. This
|