X-Git-Url: http://git.vrable.net/?a=blobdiff_plain;f=bluesky%2Fstore.c;h=af25ca366eb4ddbab12d0d1b940104b234d31832;hb=bf1b396c85d03f9c16eee6cd84c71c82503c3ec4;hp=5cc475efcdbd2dc7c8ae0a08cc4b947a5f0641cb;hpb=4e24d47abcb5b0e97ab13afc8f97f8fdcab14843;p=bluesky.git

diff --git a/bluesky/store.c b/bluesky/store.c
index 5cc475e..af25ca3 100644
--- a/bluesky/store.c
+++ b/bluesky/store.c
@@ -87,6 +87,11 @@ void bluesky_store_free(BlueSkyStore *store)
     g_free(store);
 }
 
+char *bluesky_store_lookup_last(BlueSkyStore *store, const char *prefix)
+{
+    return store->impl->lookup_last(store->handle, prefix);
+}
+
 BlueSkyStoreAsync *bluesky_store_async_new(BlueSkyStore *store)
 {
     BlueSkyStoreAsync *async;
@@ -494,11 +499,35 @@ static void filestore_cleanup(gpointer store, BlueSkyStoreAsync *async)
 {
 }
 
+static char *filestore_lookup_last(gpointer store, const char *prefix)
+{
+    char *last = NULL;
+    GDir *dir = g_dir_open(".", 0, NULL);
+    if (dir == NULL) {
+        g_warning("Unable to open directory for listing");
+        return NULL;
+    }
+
+    const gchar *file;
+    while ((file = g_dir_read_name(dir)) != NULL) {
+        if (strncmp(file, prefix, strlen(prefix)) == 0) {
+            if (last == NULL || strcmp(file, last) > 0) {
+                g_free(last);
+                last = g_strdup(file);
+            }
+        }
+    }
+    g_dir_close(dir);
+
+    return last;
+}
+
 static BlueSkyStoreImplementation filestore_impl = {
     .create = filestore_create,
     .destroy = filestore_destroy,
     .submit = filestore_submit,
     .cleanup = filestore_cleanup,
+    .lookup_last = filestore_lookup_last,
 };
 
 /* A store implementation which simply discards all data, for testing. */