I found this bit of info about a 2GB limit in Linux kernels before v2.4.0 (http://linuxmafia.com/faq/VALinux-kb/2gb-filesize- limit.html). But Android appears to be using v2.6 (http:// en.wikipedia.org/wiki/Android_%28operating_system %29#Open_Handset_Alliance).
On Mar 9, 1:37 pm, Deva R <r.deva...@gmail.com> wrote: > >>The underlying file i/o c library calls are likely to be the common 32 bit > > signed versions unless someone specifically chose the 64 bit versions. > nope.. may be you meant FAT16. fat32 max file size is 232-1 bytes (~4GB). > > it looks odd why access beyond 2G should fail. As chris said below, there > might be a break in i/o lib. > > On Wed, Mar 10, 2010 at 2:52 AM, hedwin <hedwin.kon...@gmail.com> wrote: > > FAT32 itself is limited to 2GB. If you need to handle files larger than 2GB > > you either need to use NTFS or ext3 or higher. > > > On Tue, Mar 9, 2010 at 4:12 AM, Chris Stratton <cs07...@gmail.com> wrote: > > >> The underlying file i/o c library calls are likely to be the common 32 > >> bit signed versions unless someone specifically chose the 64 bit > >> versions. > > >> On Mar 8, 1:13 pm, Hedge <awoo...@gmail.com> wrote: > >> > I am trying to play back 3GB videos from an SDHC card in OpenCORE > >> > v2.05 in Cupcake. The player crashes every time. ADB shell reports the > >> > file size to be a negative number (overflow). > > >> > I believe the maximum file size on FAT32 is 4GB (2^32 - 1). The > >> > maximum size I can access on Android is actually 2GB (2^31 - 1), which > >> > makes me think the addressing is performed with a signed integer > >> > instead of unsigned. > > >> > Does anyone know how to access files that are larger than 2GB? Was > >> > this fixed in a later version of Android? Can I change the type of > >> > some kernel variable to an unsigned int to unlock the extra addressing > >> > space? > > >> -- > >> unsubscribe: > >> android-porting+unsubscr...@googlegroups.com<android-porting%2bunsubscr...@googlegroups.com> > >> website:http://groups.google.com/group/android-porting > > > -- > > unsubscribe: > > android-porting+unsubscr...@googlegroups.com<android-porting%2bunsubscr...@googlegroups.com> > > website:http://groups.google.com/group/android-porting > > -- unsubscribe: android-porting+unsubscr...@googlegroups.com website: http://groups.google.com/group/android-porting
