conf-parser: introduce ordered_hashmap_by_section_find_unused_line()

src/shared/conf-parser.c

@@ -766,8 +766,8 @@ int config_section_new(const char *filename, unsigned line, ConfigSection **ret)
         return 0;
 }
 
-int hashmap_by_section_find_unused_line(
-                Hashmap *entries_by_section,
+int _hashmap_by_section_find_unused_line(
+                HashmapBase *entries_by_section,
                 const char *filename,
                 unsigned *ret) {
 
@@ -775,7 +775,7 @@ int hashmap_by_section_find_unused_line(
         unsigned n = 0;
         void *entry;
 
-        HASHMAP_FOREACH_KEY(entry, cs, entries_by_section) {
+        HASHMAP_BASE_FOREACH_KEY(entry, cs, entries_by_section) {
                 if (filename && !streq(cs->filename, filename))
                         continue;
                 n = MAX(n, cs->line);

src/shared/conf-parser.h

@@ -138,10 +138,22 @@ DEFINE_TRIVIAL_CLEANUP_FUNC(ConfigSection*, config_section_free);
 
 int config_section_new(const char *filename, unsigned line, ConfigSection **ret);
 extern const struct hash_ops config_section_hash_ops;
-int hashmap_by_section_find_unused_line(
-                Hashmap *entries_by_section,
+int _hashmap_by_section_find_unused_line(
+                HashmapBase *entries_by_section,
                 const char *filename,
                 unsigned *ret);
+static inline int hashmap_by_section_find_unused_line(
+                Hashmap *entries_by_section,
+                const char *filename,
+                unsigned *ret) {
+        return _hashmap_by_section_find_unused_line(HASHMAP_BASE(entries_by_section), filename, ret);
+}
+static inline int ordered_hashmap_by_section_find_unused_line(
+                OrderedHashmap *entries_by_section,
+                const char *filename,
+                unsigned *ret) {
+        return _hashmap_by_section_find_unused_line(HASHMAP_BASE(entries_by_section), filename, ret);
+}
 
 static inline bool section_is_invalid(ConfigSection *section) {
         /* If this returns false, then it does _not_ mean the section is valid. */