networkd: expose a global list of DNS and NTP servers in the state file

2 files changed, 36 insertions, 0 deletions

diff --git a/src/shared/set.c b/src/shared/set.c
index 5a4bf11bdf..02ea831593 100644
--- a/src/shared/set.c
+++ b/src/shared/set.c
@@ -23,6 +23,7 @@
 
 #include "set.h"
 #include "hashmap.h"
+#include "strv.h"
 
 #define MAKE_SET(h) ((Set*) (h))
 #define MAKE_HASHMAP(s) ((Hashmap*) (s))
@@ -59,6 +60,39 @@ int set_consume(Set *s, void *value) {
         return r;
 }
 
+int set_put_strdup(Set *s, const char *p) {
+        char *c;
+        int r;
+
+        assert(s);
+        assert(p);
+
+        c = strdup(p);
+        if (!c)
+                return -ENOMEM;
+
+        r = set_consume(s, c);
+        if (r == -EEXIST)
+                return 0;
+
+        return r;
+}
+
+int set_put_strdupv(Set *s, char **l) {
+        int n = 0, r;
+        char **i;
+
+        STRV_FOREACH(i, l) {
+                r = set_put_strdup(s, *i);
+                if (r < 0)
+                        return r;
+
+                n += r;
+        }
+
+        return n;
+}
+
 int set_replace(Set *s, void *value) {
         return hashmap_replace(MAKE_HASHMAP(s), value, value);
 }
diff --git a/src/shared/set.h b/src/shared/set.h
index 5612478d4e..e0b9c9e0a8 100644
--- a/src/shared/set.h
+++ b/src/shared/set.h
@@ -41,6 +41,8 @@ int set_ensure_allocated(Set **s, hash_func_t hash_func, compare_func_t compare_
 
 int set_put(Set *s, void *value);
 int set_consume(Set *s, void *value);
+int set_put_strdup(Set *s, const char *p);
+int set_put_strdupv(Set *s, char **l);
 int set_replace(Set *s, void *value);
 void *set_get(Set *s, void *value);
 bool set_contains(Set *s, void *value);