diff options
| -rwxr-xr-x | tests/dd/skip-seek-past-file | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/tests/dd/skip-seek-past-file b/tests/dd/skip-seek-past-file index 9c055bd09..fd8bdc6a1 100755 --- a/tests/dd/skip-seek-past-file +++ b/tests/dd/skip-seek-past-file @@ -75,17 +75,22 @@ echo "dd: \`standard input': cannot skip: Value too large for defined data type compare err_ok err || fail=1 # skipping > max file size should fail immediately -# Note I'm guessing there is a small chance that an lseek() could actually work -# and only a write() would fail (with EFBIG) when offset > max file size. -# So this test will both test for that, and ensure that dd -# exits immediately with an appropriate error when lseek() does error. if ! truncate --size=$OFF_T_MAX in 2>/dev/null; then # truncate is to ensure file system doesn't actually support OFF_T_MAX files - dd bs=1 skip=$OFF_T_MAX count=0 status=noxfer < file 2> err && fail=1 - echo "dd: \`standard input': cannot skip: Invalid argument -0+0 records in -0+0 records out" > err_ok || framework_failure - compare err_ok err || fail=1 + dd bs=1 skip=$OFF_T_MAX count=0 status=noxfer < file 2> err \ + && lseek_ok=yes \ + || lseek_ok=no + printf '%s\n' "dd: \`standard input': cannot skip: Invalid argument" \ + '0+0 records in' '0+0 records out' > err_ok || framework_failure + + if test $lseek_ok = yes; then + # On Solaris 10 at least, lseek(>max file size) succeeds, + # so just check for the skip warning. + compare skip_err err || fail=1 + else + # On Linux at least lseek(>max file size) fails. + compare err_ok err || fail=1 + fi fi Exit $fail |