util: drop parse_user_at_host() since its unused now

src/shared/util.c

@@ -5838,20 +5838,6 @@ bool id128_is_valid(const char *s) {
         return true;
 }
 
-void parse_user_at_host(char *arg, char **user, char **host) {
-        assert(arg);
-        assert(user);
-        assert(host);
-
-        *host = strchr(arg, '@');
-        if (*host == NULL)
-                *host = arg;
-        else {
-                *host[0]++ = '\0';
-                *user = arg;
-        }
-}
-
 int split_pair(const char *s, const char *sep, char **l, char **r) {
         char *x, *a, *b;
 

src/shared/util.h

@@ -833,7 +833,6 @@ static inline void _reset_locale_(struct _locale_struct_ *s) {
              _saved_locale_.quit = true)
 
 bool id128_is_valid(const char *s) _pure_;
-void parse_user_at_host(char *arg, char **user, char **host);
 
 int split_pair(const char *s, const char *sep, char **l, char **r);
 

src/test/test-util.c

@@ -490,21 +490,6 @@ static void test_strrep(void) {
         assert_se(streq(zero, ""));
 }
 
-static void test_parse_user_at_host(void) {
-        _cleanup_free_ char *both = strdup("waldo@waldoscomputer");
-        _cleanup_free_ char *onlyhost = strdup("mikescomputer");
-        char *user = NULL, *host = NULL;
-
-        parse_user_at_host(both, &user, &host);
-        assert_se(streq(user, "waldo"));
-        assert_se(streq(host, "waldoscomputer"));
-
-        user = host = NULL;
-        parse_user_at_host(onlyhost, &user, &host);
-        assert_se(user == NULL);
-        assert_se(streq(host, "mikescomputer"));
-}
-
 static void test_split_pair(void) {
         _cleanup_free_ char *a = NULL, *b = NULL;
 
@@ -635,7 +620,6 @@ int main(int argc, char *argv[]) {
         test_parse_bytes();
         test_strextend();
         test_strrep();
-        test_parse_user_at_host();
         test_split_pair();
         test_fstab_node_to_udev_node();
         test_get_files_in_directory();