Paul Eggert ba08fbbb0c diff: fix bug where -D does not work
Problem reported by Robert Webb (bug#61193).
* NEWS: Mention this.
* src/diff.c (main): Omit stray ‘sizeof’.
* tests/ifdef: New test.
* tests/Makefile.am (TESTS): Add it.
2023-02-10 15:44:38 -08:00

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#!/bin/sh
# --ifdef
# Bug reported by Robert Webb in <http://bugs.gnu.org/61193>.
. "${srcdir=.}/init.sh"; path_prepend_ ../src
fail=0
cat <<'EOF' >a
1
2
3
4
5
EOF
cat <<'EOF' >b
1
4
5
EOF
cat <<'EOF' >exp
1
#ifndef ZZZ
2
3
#endif /* ! ZZZ */
4
5
EOF
returns_ 1 diff -D ZZZ a b >out 2>err || fail=1
compare exp out || fail=1
Exit $fail