1 #cmakedefine _LARGEFILE_SOURCE
2 #cmakedefine _LARGEFILE64_SOURCE
3 #cmakedefine _LARGE_FILES
4 #cmakedefine _FILE_OFFSET_BITS @_FILE_OFFSET_BITS@
10 int main(int argc, char **argv)
12 /* Cause a compile-time error if off_t is smaller than 64 bits,
13 * and make sure we have ftello / fseeko.
15 #define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
16 int off_t_is_large[ (LARGE_OFF_T % 2147483629 == 721 && LARGE_OFF_T % 2147483647 == 1) ? 1 : -1 ];
17 FILE *fp = fopen(argv[0],"r");
18 off_t offset = ftello( fp );
20 fseeko( fp, offset, SEEK_CUR );
22 return off_t_is_large[0] || argc;