Realloc is defined in R_ext/RS.h, and only if STRICT_R_HEADERS is not defined. This *is* documented in 'Writing R Extensions'.
On Thu, 23 Nov 2006, Tom McCallum wrote: > Thank you for your reply. My mistake - I meant Realloc (missed the 'e'). > This morning I reinstalled MinGW with all the patches suggested by the > Install R on Windows Help page, including w32api-3.7, just to make sure > all was as it should be. I have put > > #define WIN32_LEAN_AND_MEAN > > at the top of my cpp file (which I did not know about so that was > interesting) but it is still saying there is a conflict between Realloc in > objidl.h and windows.h. Interesting I had a C file which I _did_ manage > to compile with the R.h and windows.h file in without this error coming > up. Could there be something going on with g++ that gcc is ignoring? I > am no sure it iss a clash now as I cannot find Realloc in the R includes > but below is some output I have gathered which may be of assistance. > > In objidl.h (line 532): > STDMETHOD_(void*,Realloc)(THIS_ void*,ULONG) PURE; > > In R.h it has the solitary line: > /* for PROBLEM ... Calloc, Realloc, Free, Memcpy, F77_xxxx */ > Can only find a R_alloc but no Realloc. > > ======ERROR MSG OUTPUT============== > $ R CMD SHLIB callcdeclcall.cpp > making callcdeclcall.d from callcdeclcall.cpp > In file included from > c:/MinGW/bin/../lib/gcc/mingw32/3.4.5/../../../../include/objbase.h:73, > from > c:/MinGW/bin/../lib/gcc/mingw32/3.4.5/../../../../include/ole2.h:9, > from > c:/MinGW/bin/../lib/gcc/mingw32/3.4.5/../../../../include/windows.h:111, > from callcdeclcall.cpp:4: > c:/MinGW/bin/../lib/gcc/mingw32/3.4.5/../../../../include/objidl.h:532:45: > macro "Realloc" requires 3 arguments, but only 2 given > make: *** [callcdeclcall.d] Error 1 > ======END ERROR MSG OUTPUT============== > > Headers in CPP file are: > #include <R.h> > #include <Rinternals.h> > #include <Rdefines.h> > #include <windows.h> > #include <cstdio> > > Thanks, > > Tom > > > On Wed, 22 Nov 2006 21:21:15 -0000, Prof Brian Ripley > <[EMAIL PROTECTED]> wrote: > >> Where exactly did you get windows.h from? The recommended source is >> w32api-3.7.tar.gz, and there is no Ralloc in any of its header files, >> including objidl.h. >> >> BTW, do you know about defining WIN32_LEAN_AND_MEAN when including >> windows.h? If not, it is worth finding out about. >> >> >> On Wed, 22 Nov 2006, Tom McCallum wrote: >> >>> Hi everyone, >>> >>> Have been trying to include windows.h (from MinGW) and R.h into a >>> package >>> and have found that Ralloc is coming up as a clash no matter which >>> include >>> ordering I use. In windows it has 2 arguments and is defined in >>> objidl.h >>> and in R.h it is 3 arguments. Any ideas of how to work round this? >>> Have >>> checked the web and have not seen anyone else comment on this. >> > > > -- Brian D. Ripley, [EMAIL PROTECTED] Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/ University of Oxford, Tel: +44 1865 272861 (self) 1 South Parks Road, +44 1865 272866 (PA) Oxford OX1 3TG, UK Fax: +44 1865 272595 ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
