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patch 9.1.0499: MS-Windows: doesn't handle symlinks properly

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Problem:  MS-Windows: doesn't handle symlinks properly
          (Timothy Madden)
Solution: Implement lstat() on MS-Windows
          (author)

lstat() differs from stat() in how it handles symbolic links, the former
doesn't resolve the symlink while the latter does so.

Implement a simple yet effective fallback using Win32 APIs.

fixes #14933
closes: #15014

Co-authored-by: K.Takata <kentkt@csc.jp>
Signed-off-by: LemonBoy <thatlemon@gmail.com>
Signed-off-by: K.Takata <kentkt@csc.jp>
Signed-off-by: Christian Brabandt <cb@256bit.org>
This commit is contained in:
LemonBoy
2024-06-18 20:43:51 +02:00
committed by Christian Brabandt
parent a821b609f9
commit 23c5ebeb95
6 changed files with 116 additions and 67 deletions
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6
src/filepath.c
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@@ -3645,11 +3645,15 @@ dos_expandpath(
}
else
{
stat_T sb;
// no more wildcards, check if there is a match
// remove backslashes for the remaining components only
if (*path_end != 0)
backslash_halve(buf + len + 1);
if (mch_getperm(buf) >= 0) // add existing file
// add existing file
if ((flags & EW_ALLLINKS) ? mch_lstat((char *)buf, &sb) >= 0
: mch_getperm(buf) >= 0)
addfile(gap, buf, flags);
}
}