Ok, Thanks! > Date: Mon, 29 Oct 2007 15:43:09 +0100 > From: [EMAIL PROTECTED] > To: cygwin@cygwin.com > Subject: Re: How does Cygwin support Large files? > > On Oct 29 14:32, Hongliang Wang wrote: >> >> Hello all, >> >> My platform is WindowsXP+SP2, Cygwin DLL release version is 1.5.24-2 >> >> I am trying to make my program support large files, so in stdio.h I found >> >> 356 #ifdef __LARGE64_FILES >> 357 #if !defined(__CYGWIN__) || defined(_COMPILING_NEWLIB) >> >> However, when I tried to compile with _COMPILING_NEWLIB, it fails > > Never do that. It should only be set when compiling newlib itself. > >> $ gcc -Wall -D_COMPILING_NEWLIB test.c -o test >> /cygdrive/c/DOCUME~1/wan/LOCALS~1/Temp/ccUmErSH.o:test.c:(.text+0x3a): >> undefined >> reference to `_fopen64' >> collect2: ld returned 1 exit status >> >> It seems as if fopen64 is mapped to _fopen64, while the latter is missing. >> >> Could anybody tell me how to compile with _COMPILING_NEWLIB flag or how does >> Cygwin support large files? > > Don't compile with _COMPILING_NEWLIB. 64 bit file access is the natural > file access type for Cygwin. off_t is 8 bytes. There are no foo64 > functions for that reason. Just use fopen and friends and you get 64 > bit file access for free. > > > Corinna > > -- > Corinna Vinschen Please, send mails regarding Cygwin to > Cygwin Project Co-Leader cygwin AT cygwin DOT com > Red Hat > > -- > Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple > Problem reports: http://cygwin.com/problems.html > Documentation: http://cygwin.com/docs.html > FAQ: http://cygwin.com/faq/ >
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