blob: 0ccd1b54b3e8d29812f30e1f702da76ced8466c7 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
|
/*
* and its toplevel COPYING file starts with:
*
* GROMACS is free software, distributed under the GNU General Public License
* (GPL) Version 2.
*/
#cmakedefine _LARGEFILE_SOURCE
#cmakedefine _LARGEFILE64_SOURCE
#cmakedefine _LARGE_FILES
#cmakedefine _FILE_OFFSET_BITS @_FILE_OFFSET_BITS@
#include <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
int main(int argc, char **argv)
{
/* Cause a compile-time error if off_t is smaller than 64 bits,
* and make sure we have ftello / fseeko.
*/
#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
int off_t_is_large[ (LARGE_OFF_T % 2147483629 == 721 && LARGE_OFF_T % 2147483647 == 1) ? 1 : -1 ];
FILE *fp = fopen(argv[0],"r");
off_t offset = ftello( fp );
fseeko( fp, offset, SEEK_CUR );
fclose(fp);
return 0;
}
|
