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-rw-r--r--src/basic/strv.h5
-rw-r--r--src/test/test-strv.c21
2 files changed, 26 insertions, 0 deletions
diff --git a/src/basic/strv.h b/src/basic/strv.h
index 683ce83a2a..fec2597db0 100644
--- a/src/basic/strv.h
+++ b/src/basic/strv.h
@@ -141,6 +141,11 @@ void strv_print(char **l);
})
#define STR_IN_SET(x, ...) strv_contains(STRV_MAKE(__VA_ARGS__), x)
+#define STRPTR_IN_SET(x, ...) \
+ ({ \
+ const char* _x = (x); \
+ _x && strv_contains(STRV_MAKE(__VA_ARGS__), _x); \
+ })
#define FOREACH_STRING(x, ...) \
for (char **_l = ({ \
diff --git a/src/test/test-strv.c b/src/test/test-strv.c
index 841a36782f..ce20f2dd5b 100644
--- a/src/test/test-strv.c
+++ b/src/test/test-strv.c
@@ -54,6 +54,25 @@ static void test_specifier_printf(void) {
puts(w);
}
+static void test_str_in_set(void) {
+ assert_se(STR_IN_SET("x", "x", "y", "z"));
+ assert_se(!STR_IN_SET("X", "x", "y", "z"));
+ assert_se(!STR_IN_SET("", "x", "y", "z"));
+ assert_se(STR_IN_SET("x", "w", "x"));
+}
+
+static void test_strptr_in_set(void) {
+ assert_se(STRPTR_IN_SET("x", "x", "y", "z"));
+ assert_se(!STRPTR_IN_SET("X", "x", "y", "z"));
+ assert_se(!STRPTR_IN_SET("", "x", "y", "z"));
+ assert_se(STRPTR_IN_SET("x", "w", "x"));
+
+ assert_se(!STRPTR_IN_SET(NULL, "x", "y", "z"));
+ assert_se(!STRPTR_IN_SET(NULL, ""));
+ /* strv cannot contain a null, hence the result below */
+ assert_se(!STRPTR_IN_SET(NULL, NULL));
+}
+
static const char* const input_table_multiple[] = {
"one",
"two",
@@ -703,6 +722,8 @@ static void test_strv_fnmatch(void) {
int main(int argc, char *argv[]) {
test_specifier_printf();
+ test_str_in_set();
+ test_strptr_in_set();
test_strv_foreach();
test_strv_foreach_backwards();
test_strv_foreach_pair();