diff --git a/src/basic/strv.h b/src/basic/strv.h index 5f1803d87d..aa4cd4aaca 100644 --- a/src/basic/strv.h +++ b/src/basic/strv.h @@ -144,6 +144,18 @@ void strv_print(char **l); _x && strv_contains(STRV_MAKE(__VA_ARGS__), _x); \ }) +#define STARTSWITH_SET(p, ...) \ + ({ \ + const char *_p = (p); \ + char *_found = NULL, **_i; \ + STRV_FOREACH(_i, STRV_MAKE(__VA_ARGS__)) { \ + _found = startswith(_p, *_i); \ + if (_found) \ + break; \ + } \ + _found; \ + }) + #define FOREACH_STRING(x, ...) \ for (char **_l = ({ \ char **_ll = STRV_MAKE(__VA_ARGS__); \ diff --git a/src/test/test-strv.c b/src/test/test-strv.c index 63757afdce..31ef1abb44 100644 --- a/src/test/test-strv.c +++ b/src/test/test-strv.c @@ -56,6 +56,20 @@ static void test_strptr_in_set(void) { assert_se(!STRPTR_IN_SET(NULL, NULL)); } +static void test_startswith_set(void) { + assert_se(!STARTSWITH_SET("foo", "bar", "baz", "waldo")); + assert_se(!STARTSWITH_SET("foo", "bar")); + + assert_se(STARTSWITH_SET("abc", "a", "ab", "abc")); + assert_se(STARTSWITH_SET("abc", "ax", "ab", "abc")); + assert_se(STARTSWITH_SET("abc", "ax", "abx", "abc")); + assert_se(!STARTSWITH_SET("abc", "ax", "abx", "abcx")); + + assert_se(streq_ptr(STARTSWITH_SET("foobar", "hhh", "kkk", "foo", "zzz"), "bar")); + assert_se(streq_ptr(STARTSWITH_SET("foobar", "hhh", "kkk", "", "zzz"), "foobar")); + assert_se(streq_ptr(STARTSWITH_SET("", "hhh", "kkk", "zzz", ""), "")); +} + static const char* const input_table_multiple[] = { "one", "two", @@ -847,6 +861,7 @@ int main(int argc, char *argv[]) { test_specifier_printf(); test_str_in_set(); test_strptr_in_set(); + test_startswith_set(); test_strv_foreach(); test_strv_foreach_backwards(); test_strv_foreach_pair();