Adding upstream version 9.4.upstream/9.4upstream

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

1 files changed, 64 insertions, 0 deletions

diff --git a/tests/wc/wc-proc.sh b/tests/wc/wc-proc.sh
new file mode 100755
index 0000000..2307f2c
--- /dev/null
+++ b/tests/wc/wc-proc.sh
@@ -0,0 +1,64 @@
+#!/bin/sh
+# Test wc on /proc and /sys files.
+
+# 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_ wc
+
+# Ensure we read() /proc files to determine content length
+for file in /proc/version /sys/kernel/profiling; do
+  if test -r $file; then
+    cp -f $file copy &&
+    wc -c < copy > exp1 || framework_failure_
+
+    wc -c < $file > out1 || fail=1
+    compare exp1 out1 || fail=1
+  fi
+done
+
+# Ensure we handle cases where we don't read()
+truncate -s 2 no_read || framework_failure_
+# read() used when multiple of page size
+truncate -s 1048576 do_read || framework_failure_
+wc -c no_read do_read > out || fail=1
+cat <<\EOF > exp
+      2 no_read
+1048576 do_read
+1048578 total
+EOF
+compare exp out || fail=1
+
+# Ensure we update the offset even when not reading,
+# which wasn't the case from coreutils-8.27 to coreutils-9.2
+{ wc -c; wc -c; } < no_read >  out || fail=1
+{ wc -c; wc -c; } < do_read >> out || fail=1
+cat <<\EOF > exp
+2
+0
+1048576
+0
+EOF
+compare exp out || fail=1
+
+# Ensure we don't read too much when reading,
+# as was the case on 32 bit systems
+# from coreutils-8.24 to coreutils-9.1
+if timeout 10 truncate -s1T do_read; then
+  timeout 10 wc -c do_read || fail=1
+fi
+
+Exit $fail