strv: Add strv_shell_escape

This modifies the strv in-place, replacing strings with their escaped
version. It's mostly just a convenience function for when you need to
join a strv together because it's passed as a string to something, and
the separator needs escaping.

1 files changed, 13 insertions, 0 deletions

diff --git a/src/test/test-strv.c b/src/test/test-strv.c
index 53074b4b65..bff43950a9 100644
--- a/src/test/test-strv.c
+++ b/src/test/test-strv.c
@@ -557,6 +557,18 @@ static void test_strv_reverse(void) {
         assert_se(streq_ptr(d[3], NULL));
 }
 
+static void test_strv_shell_escape(void) {
+        _cleanup_strv_free_ char **v = NULL;
+
+        v = strv_new("foo:bar", "bar,baz", "wal\\do", NULL);
+        assert_se(v);
+        assert_se(strv_shell_escape(v, ",:"));
+        assert_se(streq_ptr(v[0], "foo\\:bar"));
+        assert_se(streq_ptr(v[1], "bar\\,baz"));
+        assert_se(streq_ptr(v[2], "wal\\\\do"));
+        assert_se(streq_ptr(v[3], NULL));
+}
+
 int main(int argc, char *argv[]) {
         test_specifier_printf();
         test_strv_foreach();
@@ -614,6 +626,7 @@ int main(int argc, char *argv[]) {
         test_strv_equal();
         test_strv_is_uniq();
         test_strv_reverse();
+        test_strv_shell_escape();
 
         return 0;
 }