[Octave-bug-tracker] [bug #56267] addpath() on Windows fails to recognize same subdirs with different fileseps and case

[Markus Mützel]

Follow-up Comment #21, bug #56267 (project octave):

I used the prefix "\\?\" to remove the MAX_PATH limitation [1].
However, this seems to work with absolute paths only.

The following change should fix it:

diff -r e8e7ec705418 liboctave/util/kpse.cc
--- a/liboctave/util/kpse.cc    Wed Nov 06 20:07:55 2019 +0100
+++ b/liboctave/util/kpse.cc    Tue Nov 12 21:58:14 2019 +0100
@@ -169,7 +169,7 @@
 {
 #if defined (OCTAVE_USE_WINDOWS_API)
 
-  std::wstring w_fn = L"\\\\?\\" + octave::sys::u8_to_wstring (fn);
+  std::wstring w_fn = octave::sys::u8_to_wstring (fn);
 
   DWORD f_attr = GetFileAttributesW (w_fn.c_str ());
 


I'll try to cross-build before I commit.

[1]:
https://docs.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-getfileattributesa

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