/* Check if PATH is a symlink. PATH must be a valid Win32 path name.
If PATH is a symlink, put the value of the symlink--the file to
- which it points--into BUF. The value stored in BUF is not
- necessarily null terminated. BUFLEN is the length of BUF; only up
- to BUFLEN characters will be stored in BUF. BUF may be NULL, in
- which case nothing will be stored.
+ which it points--into CONTENTS.
- Set *SYML if PATH is a symlink.
+ Set PATH_SYMLINK if PATH is a symlink.
- Set *EXEC if PATH appears to be executable. This is an efficiency
- hack because we sometimes have to open the file anyhow. *EXEC will
- not be set for every executable file.
-
- Return -1 on error, 0 if PATH is not a symlink, or the length
- stored into BUF if PATH is a symlink. */
+ If PATH is a symlink, return the length stored into CONTENTS. If
+ the inner components of PATH contain native symlinks or junctions,
+ or if the drive is a virtual drive, compare PATH with the result
+ returned by GetFinalPathNameByHandleA. If they differ, store the
+ final path in CONTENTS and return the negative of its length. In
+ all other cases, return 0. */
int
symlink_info::check (char *path, const suffix_info *suffixes, fs_info &fs,
while (suffix.next ())
{
+ res = 0;
error = 0;
get_nt_native_path (suffix.path, upath, mount_flags & MOUNT_DOS);
if (h)
continue;
}
- res = -1;
-
/* Reparse points are potentially symlinks. This check must be
performed before checking the SYSTEM attribute for sysfile
symlinks, since reparse points can have this flag set, too. */
- Fix a problem that prevented some symbolic links to /cygdrive/C,
/cygdrive/./c, /cygdrive//c, etc. from working.
Addresses: https://cygwin.com/pipermail/cygwin/2022-July/251994.html
+
+- Fix a path handling bug that could cause a non-existing file to be
+ treated as the current directory.
+ Addresses: https://cygwin.com/pipermail/cygwin/2022-August/252030.html