diff -r 0542668d0f26 -r fbbbeed4ba8f dav/db.c
--- a/dav/db.c	Fri Jun 13 13:52:59 2014 +0200
+++ b/dav/db.c	Sun Jun 15 16:07:11 2014 +0200
@@ -34,6 +34,9 @@
 
 #include <libidav/utils.h>
 
+#include <libxml/encoding.h>
+#include <libxml/xmlwriter.h>
+
 
 #define xstreq(a,b) xmlStrEqual(BAD_CAST a, BAD_CAST b)
 
@@ -50,9 +53,16 @@
     
     xmlTextReaderPtr reader = xmlReaderForFile(db_file, NULL, 0);
     if(!reader) {
-        fprintf(stderr, "Cannot open database file: %s\n", db_file);
+        xmlDoc *doc =  doc = xmlNewDoc(BAD_CAST "1.0");
+        xmlNode *root = xmlNewNode(NULL, BAD_CAST "directory");
+        xmlDocSetRootElement(doc, root);
+        UcxMap *db = NULL;
+        if(xmlSaveFormatFileEnc(db_file, doc, "UTF-8", 1) != -1) {
+            db = ucx_map_new(2048);
+        }
+        xmlFreeDoc(doc);
         free(db_file);
-        return NULL;
+        return db;
     }
     free(db_file);
     
@@ -107,7 +117,7 @@
             int b = 0;
             switch(field) {
                 case 0: {
-                    res->name = strdup((char*)value);
+                    res->path = strdup((char*)value);
                     break;
                 }
                 case 1: {
@@ -115,7 +125,17 @@
                     break;
                 }
                 case 2: {
-                    res->last_modified = util_parse_lastmodified((char*)value);
+                    //res->last_modified = util_parse_lastmodified((char*)value);
+                    //res->last_modified = atoi((char*)value);
+                    char *endptr = (char*)value;
+                    time_t t = strtoll((char*)value, &endptr, 10);
+                    if(endptr == (char*)value) {
+                        fprintf(
+                            stderr,
+                            "lastmodified contains not a number: %s\n", value);
+                    } else {
+                        res->last_modified = t;
+                    }
                     break;
                 }
                 case 3: {
@@ -132,7 +152,7 @@
         }
     }
     
-    if(!res->name || !res->path || res->last_modified == 0) {
+    if(!res->path || res->last_modified == 0) {
         // TODO: free res
         return NULL;
     } else {
@@ -141,6 +161,89 @@
 }
 
 int store_db(UcxMap *db, char *name) {
-    // TODO:
+    // open writer
+    char *dav_dir = util_concat_path(ENV_HOME, ".dav");
+    char *db_file = util_concat_path(dav_dir, name);
+    free(dav_dir);
+    xmlTextWriterPtr writer = xmlNewTextWriterFilename(db_file, 0);
+    if(!writer) {
+        fprintf(stderr, "Cannot write db file: %s\n", db_file);
+        free(db_file);
+        return -1;
+    }
+    free(db_file);
+    
+    // start document
+    int r = 0;
+    r = xmlTextWriterStartDocument(writer, NULL, "UTF-8", NULL);
+    if(r < 0) {
+        xmlFreeTextWriter(writer);
+        return -1;
+    }
+    xmlTextWriterStartElement(writer, BAD_CAST "directory");
     
+    // write all resource entries
+    UcxMapIterator i = ucx_map_iterator(db);
+    LocalResource *res;
+    UCX_MAP_FOREACH(key, res, i) {
+        // <resource>
+        xmlTextWriterStartElement(writer, BAD_CAST "resource");
+        
+        r = xmlTextWriterWriteElement(
+                writer,
+                BAD_CAST "path",
+                BAD_CAST res->path);
+        if(r < 0) {
+            fprintf(stderr, "Cannot write path: %s\n", res->path);
+            xmlFreeTextWriter(writer);
+            return -1;
+        }
+        
+        if(res->etag) {
+            r = xmlTextWriterWriteElement(
+                    writer,
+                    BAD_CAST "etag",
+                    BAD_CAST res->etag);
+            if(r < 0) {
+                fprintf(stderr, "Cannot write etag: %s\n", res->etag);
+                xmlFreeTextWriter(writer);
+                return -1;
+            }
+        }
+
+        r = xmlTextWriterWriteFormatElement(
+                writer,
+                BAD_CAST "lastmodified",
+                "%" PRId64,
+                (int64_t)res->last_modified);
+        if(r < 0) {
+            fprintf(stderr, "Cannot write lastmodified\n");
+            xmlFreeTextWriter(writer);
+            return -1;
+        }
+        
+        r = xmlTextWriterWriteFormatElement(
+                writer,
+                BAD_CAST "size",
+                "%" PRId64,
+                (int64_t)res->size);
+        if(r < 0) {
+            fprintf(stderr, "Cannot write size\n");
+            xmlFreeTextWriter(writer);
+            return -1;
+        }
+        
+        // </resource>
+        xmlTextWriterEndElement(writer);
+    }
+    
+    // end
+    xmlTextWriterEndElement(writer);
+    r = xmlTextWriterEndDocument(writer);
+    if(r < 0) {
+        xmlFreeTextWriter(writer);
+        return -1;
+    }
+    xmlFreeTextWriter(writer);
+    return 0;
 }