D48733.diff
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	diff --git a/contrib/unifdef/unifdef.c b/contrib/unifdef/unifdef.c
	--- a/contrib/unifdef/unifdef.c
	+++ b/contrib/unifdef/unifdef.c
	@@ -1488,7 +1488,7 @@
	static void
	indirectsym(void)
	{
	- const char *cp;
	+ struct macro key = { 0 };
	int changed;
	struct macro sym, ind;

	@@ -1497,10 +1497,9 @@
	RB_FOREACH(sym, MACROMAP, &macro_tree) {
	if (sym->value == NULL)
	continue;
	- cp = sym->value;
	- ind = findsym(&cp);
	+ key.name = sym->value;
	+ ind = RB_FIND(MACROMAP, &macro_tree, &key);
	if (ind == NULL \|\| ind == sym \|\|
	- *cp != '\0' \|\|
	ind->value == NULL \|\|
	ind->value == sym->value)
	continue;
	@@ -1539,10 +1538,10 @@
	static void
	addsym2(bool ignorethis, const char symname, const char val)
	{
	- const char *cp = symname;
	+ struct macro key = { .name = symname };
	struct macro sym, r;

	- sym = findsym(&cp);
	+ sym = RB_FIND(MACROMAP, &macro_tree, &key);
	if (sym == NULL) {
	sym = calloc(1, sizeof(*sym));
	sym->ignore = ignorethis;
	diff --git a/usr.bin/unifdef/tests/unifdef_test.sh b/usr.bin/unifdef/tests/unifdef_test.sh
	--- a/usr.bin/unifdef/tests/unifdef_test.sh
	+++ b/usr.bin/unifdef/tests/unifdef_test.sh
	@@ -36,7 +36,17 @@
	atf_check -s exit:1 -o inline:"b\n" unifdef -DFOO -DFOO=0 <file
	}

	+atf_test_case sDU
	+sDU_head() {
	+ atf_set descr "simultaneous use of -s and -D or -U"
	+}
	+sDU_body() {
	+ atf_check unifdef -s -DFOO -UFOO /dev/null
	+ atf_check unifdef -s -DFOO -DBAR=FOO /dev/null
	+}
	+
	atf_init_test_cases() {
	atf_add_test_case hash_comment
	atf_add_test_case redefine
	+ atf_add_test_case sDU
	}