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dd: port big-offset test to macOS 12.6

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* tests/dd/skip-seek-past-file.sh: Do not assume that
seek to exactly OFF_T_MAX should fail; it works on macOS 12.6
and POSIX allows this.  Come to think of it, it should work
on Solaris too, if someone ever comes across a Solaris host
with a file system that allows such files.
This commit is contained in:
Paul Eggert 2024-11-20 11:11:54 -08:00
parent 96954f37a9
commit cc58b65736
1 changed files with 3 additions and 3 deletions
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6
tests/dd/skip-seek-past-file.sh
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@ -74,14 +74,14 @@ grep "invalid number:" err >/dev/null || fail=1
# skipping > max file size should fail immediately
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 \
dd bs=1 skip=$OFF_T_MAX count=0 status=none < file 2> err \
&& lseek_ok=yes \
|| lseek_ok=no
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
# so just check that there are no diagnostics.
compare /dev/null err || fail=1
else
# On Linux kernels at least, lseek(>max file size) fails.
# error message should be "... cannot skip: strerror(EINVAL)"