new: add wrapper for database chnages files

src/ctx/database.c

@@ -39,7 +39,7 @@ bool lm_ctx_database_find(lm_ctx_t *ctx, lm_pkg_t *pkg, char *name, char *versio
 
   if(!lm_ctx_database_init(ctx))
     return false; // error set by function
-  
+
   lm_error_clear();
   return lm_database_package_find(ctx->db, pkg, name, version);
 }
@@ -49,10 +49,10 @@ bool lm_ctx_database_next(lm_ctx_t *ctx, lm_pkg_t *pkg){
     lm_error_set(LM_ERR_ArgNULL);
     return false;
   }
-  
+
   if(!lm_ctx_database_init(ctx))
     return false; // error set by function
-  
+
   return lm_database_package_next(ctx->db, pkg);
 }
 
@@ -61,10 +61,22 @@ bool lm_ctx_database_next_free(lm_ctx_t *ctx, lm_pkg_t *pkg){
     lm_error_set(LM_ERR_ArgNULL);
     return false;
   }
-  
+
   if(!lm_ctx_database_init(ctx))
     return false; // error set by function
-  
+
   lm_database_package_next_free(ctx->db, pkg);
   return true;
 }
+
+char *lm_ctx_database_changes(lm_ctx_t *ctx, lm_pkg_t *pkg){
+  if(NULL == ctx || NULL == pkg){
+    lm_error_set(LM_ERR_ArgNULL);
+    return false;
+  }
+
+  if(!lm_ctx_database_init(ctx))
+    return false; // error set by function
+
+  return lm_database_changes_get(ctx->db, pkg);
+}

src/database/changes.c

@@ -39,7 +39,7 @@ bool lm_database_changes_del(lm_database_t *db, lm_pkg_t *pkg){
     lm_error_set(LM_ERR_DbChangesUnlinkFail);
     return false;
   }
-  
+
   return true;
 }