1 files changed, 46 insertions, 0 deletions
diff --git a/src/config/repo.c b/src/config/repo.c
new file mode 100644
index 0000000..a3ba390
--- /dev/null
+++ b/src/config/repo.c
@@ -0,0 +1,46 @@
+/* ISC license. */
+
+#include <stdint.h>
+#include <string.h>
+
+#include <skalibs/genalloc.h>
+#include <skalibs/avltree.h>
+
+#include "tipidee-config-internal.h"
+
+void *node_dtok (uint32_t d, void *data)
+{
+  repo *r = data ;
+  return r->storage->s + genalloc_s(node, &r->ga)[d].key ;
+}
+
+int node_cmp (void const *a, void const *b, void *data)
+{
+  (void)data ;
+  return strcmp((char const *)a, (char const *)b) ;
+}
+
+node const *repo_search (repo const *r, char const *key)
+{
+  uint32_t i ;
+  return avltree_search(&r->tree, key, &i) ? genalloc_s(node const, &r->ga) + i : 0 ;
+}
+
+void repo_add (repo *r, node const *node)
+{
+  uint32_t i = genalloc_len(node, &r->ga) ;
+  if (!genalloc_append(node, &r->ga, node)) dienomem() ;
+  if (!avltree_insert(&r->tree, i)) dienomem() ;
+}
+
+void repo_update (repo *r, node const *nod)
+{
+  uint32_t i ;
+  if (avltree_search(&r->tree, r->storage->s + nod->key, &i))
+  {
+    if (!avltree_delete(&r->tree, r->storage->s + nod->key)) dienomem() ;
+    genalloc_s(node, &r->ga)[i] = *nod ;
+    if (!avltree_insert(&r->tree, i)) dienomem() ;
+  }
+  else repo_add(r, nod) ;
+}