- msg_file_t file = jfile_get_native(env, jfile);
- return (jlong)MSG_file_write(file, (sg_size_t)jsize);
+ sg_file_t file = jfile_get_native(env, jfile);
+ return static_cast<jlong>(sg_file_write(file, static_cast<sg_size_t>(jsize)));
+}
+
+JNIEXPORT void JNICALL Java_org_simgrid_msg_File_seek(JNIEnv *env, jobject jfile, jlong offset, jlong origin) {
+ sg_file_t file = jfile_get_native(env, jfile);
+ sg_file_seek(file, static_cast<sg_offset_t>(offset), static_cast<int>(origin));