network: move NetworkConfigSection and related functions to networkd-util.[ch]

1 files changed, 36 insertions, 0 deletions

diff --git a/src/network/networkd-util.c b/src/network/networkd-util.c
index 9b6bc12858..a392aadd4c 100644
--- a/src/network/networkd-util.c
+++ b/src/network/networkd-util.c
@@ -102,3 +102,39 @@ int kernel_route_expiration_supported(void) {
         }
         return cached;
 }
+
+static void network_config_hash_func(const NetworkConfigSection *c, struct siphash *state) {
+        siphash24_compress(c->filename, strlen(c->filename), state);
+        siphash24_compress(&c->line, sizeof(c->line), state);
+}
+
+static int network_config_compare_func(const NetworkConfigSection *x, const NetworkConfigSection *y) {
+        int r;
+
+        r = strcmp(x->filename, y->filename);
+        if (r != 0)
+                return r;
+
+        return CMP(x->line, y->line);
+}
+
+DEFINE_HASH_OPS(network_config_hash_ops, NetworkConfigSection, network_config_hash_func, network_config_compare_func);
+
+int network_config_section_new(const char *filename, unsigned line, NetworkConfigSection **s) {
+        NetworkConfigSection *cs;
+
+        cs = malloc0(offsetof(NetworkConfigSection, filename) + strlen(filename) + 1);
+        if (!cs)
+                return -ENOMEM;
+
+        strcpy(cs->filename, filename);
+        cs->line = line;
+
+        *s = TAKE_PTR(cs);
+
+        return 0;
+}
+
+void network_config_section_free(NetworkConfigSection *cs) {
+        free(cs);
+}