6d898f43fc
Consider this case:
- Cygwin installed in C:\cygwin64
- mklink /j D:\cygwin64 C:\cygwin64
- create testcase calling
realpath("/", result);
printf ("%s\n", result);
- start cmd
>C:\cygwin64\bin\bash -lc <path-to-testcase>
/
>D\cygwin64\bin\bash -lc <path-to-testcase>
/cygdrive/c/cygwin64
This scenario circumventing the mount point handling which is automated
in terms of /, depending on the path returned from GetModuleFileNameW
for the Cygwin DLL. When calling D:\cygwin64\bin\bash the dir returned
from GetModuleFileNameW is D:\cygwin64\bin, thus root is D:\cygwin64.
However, junctions are treated as symlinks in Cygwin which explains why
the path gets converted to a cygdrive path.
Fix this by calling GetFinalPathNameByHandleW on the result from
GetModuleFileNameW to get the correct root path, even if accessed via
a junction point.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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|---|---|---|
| .. | ||
| CVSChangeLogs.old | ||
| cygserver | ||
| cygwin | ||
| doc | ||
| testsuite | ||
| utils | ||
| CONTRIBUTORS | ||
| COPYING | ||
| COPYING.LIB | ||
| CYGWIN_LICENSE | ||
| Makefile.common | ||
| Makefile.in | ||
| README | ||
| acinclude.m4 | ||
| aclocal.m4 | ||
| autogen.sh | ||
| configure | ||
| configure.ac | ||
README
THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Cygwin documentation is available on the net at https://cygwin.com You might especially be interested in https://cygwin.com/faq/faq.html#faq.programming.building-cygwin