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#define _LARGEFILE_SOURCE
#define _LARGE_FILES
#define _FILE_OFFSET_BITS 64
#include <cassert>
#include <cstdio>
#include <sys/stat.h>
#include <sys/types.h>
int main(int, char** argv)
{
// check that off_t can hold 2^63 - 1 and perform basic operations...
#define OFF_T_64 (((off_t)1 << 62) - 1 + ((off_t)1 << 62))
if (OFF_T_64 % 2147483647 != 1)
return 1;
// stat breaks on SCO OpenServer
struct stat buf;
stat(argv[0], &buf);
if (!S_ISREG(buf.st_mode))
return 2;
FILE* file = fopen(argv[0], "r");
off_t offset = ftello(file);
fseek(file, offset, SEEK_CUR);
fclose(file);
return 0;
}
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