Hi list,
I'm trying to make sure a program I'm writing works with files greater than 4GB in length. In order to do that, I'm trying to create a sparse file of this size. The program is this:
#define _LARGEFILE64_SOURCE
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>
int main(int argc, char *argv[] )
{
int fd=open(argv[1], O_CREAT|O_WRONLY, 0755);
int res;
off64_t offset;
offset=1024*1024*1024*2u;
offset+=offset;
res=lseek64(fd, offset, SEEK_SET);
res=write(fd, "Hello, world\n", 13);
return 0; }
When I run it, however, I get a signal when executing the "write": File size limit exceeded
HOWEVER, when doing "ulimit -a": core file size (blocks, -c) 0 data seg size (kbytes, -d) unlimited file size (blocks, -f) unlimited max locked memory (kbytes, -l) unlimited max memory size (kbytes, -m) unlimited open files (-n) 1024 pipe size (512 bytes, -p) 8 stack size (kbytes, -s) 8192 cpu time (seconds, -t) unlimited max user processes (-u) unlimited virtual memory (kbytes, -v) unlimited
File system is reiserfs 3. I have tried running it also on a partition that has more than 4GB of free space. Does reiser not support large files?
Thanks,
Shachar-- Shachar Shemesh Lingnu Open Source Consulting ltd. http://www.lingnu.com/
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