Re: PHP C++ extension on Windows: setting the working directory the same as PHP

On 2 Apr 2014, at 14:25, Johannes Schlüter <johannes@schlueters.de> wrote: > On Wed, 2014-04-02 at 14:14 +0100, O'Neil Delpratt wrote: >> Hi, >> >> I am having trouble getting the correct working directory in the C/C++ >> code of my PHP extension. It should be the same as the PHP working >> directory, but it is not. > [...] >> In linux the C function getcwd() does as expected. It is the same as >> the PHP cwd, but on windows it always uses the “C:\Program Files >> \Apache software Foundation\Apache2.2”, >> whereas in my php script the call ‘echo getcwd();’ returns “C:\www >> \html” as expected. > > when using Apache on Windows you are using mod_mpm which is a threaded > environment. Thus there is one process which might serve multiple > requests in different threads. Each thread needs (from user perspective) > its own working directory, thus our thread isolation library, TSRM, > provides an API for that: VCWD_GETCWD. Please see > TSRM/tsrm_virtual_cwd.h for more related APIs. Mind: In 5.6 this has > been moved to Zend/zend_virtual_cwd.h Thanks for your quick response. When I compile my code I am now getting the following error: Error 93 error LNK2001: unresolved external symbol "__declspec(dllimport) char * __cdecl virtual_getcwd(char *,unsigned int,void * * *)" (__imp_?virtual_getcwd@@YAPADPADIPAPAPAX@Z) C:\Users\ond1\Documents\Visual Studio 2012\Projects\saxon\saxon\SaxonProcessor.obj insertions in my C Code: #include “TSRM/tsrm_virtual_cwd.h” …. char cwd[256]; VCWD_GETCWD(cwd, sizeof(cwd)); ... Any ideas? ------------------------------- O'Neil Delpratt Software Developer, Saxonica Limited Email: oneil@saxonica.com Tel: +44 118 946 5894 Web: http://www.saxonica.com Saxonica Community site: http://dev.saxonica.com Bug tracking site: https://saxonica.plan.io/