URL:
<http://savannah.gnu.org/bugs/?func=detailitem&item_id=13813>
Summary: NSFileManager fileExistsAtPath does not work for
files >= 2GB
Project: GNUstep
Submitted by: mabr
Submitted on: Fri 07/15/2005 at 09:06
Category: Base/Foundation
Severity: 3 - Normal
Item Group: Bug
Status: None
Privacy: Public
Assigned to: None
Open/Closed: Open
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Details:
gnustep-base-1.10.3
gnustep-gui-0.9.5
linux 2.6.11
gcc 3.3.5
When using fileExistsAtPath method of NSFileManager for files that are >= 2GB
in size the method return NO.
Also in in NSOpenPanel files >= 2GB does not show.
Possible solution:
I think the culprit is the use of stat. When a file has a size >= 2GB, the
size of the file does not fit in st_size in the stat struct and the call to
stat fails (on linux and maybe others).
Consider the sample source code below. It reports that the file does not exist
if the test.img is a file >= 2GB. However if the code is compiled with
-D_FILE_OFFSET_BITS=64, st_size is 64 bits and can hold the size of the file
and it works.
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
int main()
{
struct stat myStat;
if (0 == stat("test.img",&myStat))
{
printf("The file exists\n");
}
else
{
printf("The file does not exist\n");
}
return 0;
}
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