diff options
Diffstat (limited to 'misc/tst-preadvwritev64.c')
-rw-r--r-- | misc/tst-preadvwritev64.c | 35 |
1 files changed, 32 insertions, 3 deletions
diff --git a/misc/tst-preadvwritev64.c b/misc/tst-preadvwritev64.c index ff6e134eab..53e153ed90 100644 --- a/misc/tst-preadvwritev64.c +++ b/misc/tst-preadvwritev64.c @@ -16,7 +16,36 @@ License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ -#define PREADV preadv64 -#define PWRITEV pwritev64 +#define _FILE_OFFSET_BITS 64 +#include "tst-preadvwritev-common.c" -#include "tst-preadvwritev.c" +static int +do_test (void) +{ + int ret; + + ret = do_test_with_offset (0); + + /* Create a sparse file larger than 4GB to check if offset is handled + correctly in p{write,read}v64. */ + off_t base_offset = UINT32_MAX + 2048LL; + ret += do_test_with_offset (base_offset); + + struct stat st; + if (fstat (temp_fd, &st) == -1) + { + printf ("error: fstat on temporary file failed: %m"); + return 1; + } + + /* The total size should base_offset plus 2 * 96. */ + off_t expected_value = base_offset + (2 * (96LL)); + if (st.st_size != expected_value) + { + printf ("error: file size different than expected (%jd != %jd)\n", + (intmax_t) expected_value, (intmax_t) st.st_size); + return 1; + } + + return ret; +} |