add storage delete functionality

include/storage/storage.h

@@ -45,6 +45,7 @@ CLASS(Storage) {
 StoragePutResult storagePut(Storage, char *, size_t, char *, size_t);
 StoragePutResult storageUpdate(Storage, char *, size_t, char *, size_t);
 void storageGet(Storage, char *, size_t, char **, size_t *);
+int  storageDelete(Storage, char *, size_t);
 
 #endif // __STORAGE_H__
 

src/storage/Makefile.am

@@ -5,5 +5,5 @@ AM_CFLAGS += -I../../include/
 
 noinst_LTLIBRARIES = libstorage.la
 
-libstorage_la_SOURCES = storage.c get.c put.c update.c
+libstorage_la_SOURCES = storage.c get.c put.c update.c delete.c
 libstorage_la_CFLAGS  = $(AM_CFLAGS)

src/storage/delete.c

@@ -0,0 +1,49 @@
+/**
+ * \file
+ *
+ * \author	Georg Hopp
+ *
+ * \copyright
+ * Copyright © 2012  Georg Hopp
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <gdbm.h>
+#include <string.h>
+#include <sys/types.h>
+
+#include "class.h"
+#include "storage/storage.h"
+
+#include "utils/memory.h"
+#include "commons.h"
+
+int
+storageDelete(Storage this, char * _key, size_t nkey)
+{
+	datum key = {_key, nkey};
+
+	switch (gdbm_delete(this->gdbm, key)) {
+		case 0:
+			return TRUE;
+		case -1:
+		default:
+			return FALSE;
+	}
+
+	return FALSE;
+}
+
+// vim: set ts=4 sw=4: