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https://issues.apache.org/jira/browse/XERCESC-1877?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16345893#comment-16345893
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Roger Leigh commented on XERCESC-1877:
--
>From the above cygwin documentation link: "Using native Win32 paths in Cygwin,
>while often possible, is generally inadvisable. Those paths circumvent all
>internal integrity checking and bypass the information given in the Cygwin
>mount table."
I think the expectation is that you'll use POSIX paths like
/cygdrive/c/tmp/personal.xml, since there are all sorts of subtle problems
which can arise from using Win32 paths where POSIX paths are assumed. In
practice, the POSIX file manager works just fine.
I wonder if the behaviour can be simplified with C++17 std::filesystem::path
when using a sufficiently modern system, since it would supersede both the
POSIX and Win32 file managers.
> Windows paths are not handled properly under cygwin
> ---
>
> Key: XERCESC-1877
> URL: https://issues.apache.org/jira/browse/XERCESC-1877
> Project: Xerces-C++
> Issue Type: Improvement
> Components: Utilities
>Affects Versions: 3.0.1
> Environment: Cygwin with Xerces 3.0.1 built with ./configure and then
> make
>Reporter: Mathieu Champlon
>Priority: Minor
>
> The Cygwin version of Xerces appears to be using the PosixFileMgr and
> therefore isRelative returns false for a path starting with c: whereas it is
> totally valid.
> To reproduce the issue copy samples/data/personal.xml (and personal.dtd) into
> c:\tmp and run DOMCount as follows.
> $ pwd
> /cygdrive/c/Users/Mat/Desktop/dev/cpp/xerces-c-3.0.1/samples
> $ ls c:/tmp
> personal.dtd personal.xml
> $ ./DOMCount.exe c:/tmp/personal.xml
> Fatal Error at file , line 0, char 0
> Message: unable to open primary document entity
> '/cygdrive/c/Users/Mat/Desktop
> /dev/cpp/xerces-c-3.0.1/samples/c:/tmp/personal.xml'
> Errors occurred, no output available
> ***
> Then I added the following lines taken from WindowsFileMgr to
> PosixFileMgr::isRelative :
> #ifdef __CYGWIN__
> if (toCheck[1] == chColon)
> {
> if (((toCheck[0] >= chLatin_A) && (toCheck[0] <= chLatin_Z))
> || ((toCheck[0] >= chLatin_a) && (toCheck[0] <= chLatin_z)))
> {
> return false;
> }
> }
> #endif
> With the following line at the top of PoxisFileMgr.cpp :
> #include
> I recompiled the samples and ran DOMCount once again :
> $ ./DOMCount.exe c:/tmp/personal.xml
> c:/tmp/personal.xml: 67 ms (37 elems).
> The #ifdef __CYGWIN__ is probably not the way to go but it shows exactly
> where the problem is.
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