Adding upstream version 9.4.upstream/9.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 38 insertions, 0 deletions

diff --git a/tests/tail/tail-c.sh b/tests/tail/tail-c.sh
new file mode 100755
index 0000000..cd92909
--- /dev/null
+++ b/tests/tail/tail-c.sh
@@ -0,0 +1,38 @@
+#!/bin/sh
+# exercise tail -c
+
+# Copyright 2014-2023 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
+print_ver_ tail
+
+# Make sure it works on funny files in /proc and /sys.
+for file in /proc/version /sys/kernel/profiling; do
+  if test -r $file; then
+    cp -f $file copy &&
+    tail -c -1 copy > exp || framework_failure_
+
+    tail -c -1 $file > out || fail=1
+    compare exp out || fail=1
+  fi
+done
+
+# Make sure it works for pipes
+printf '123456' | tail -c3 > out || fail=1
+printf '456' > exp || framework_failure_
+compare exp out || fail=1
+
+Exit $fail