/*
graph.c -- graph algorithms
- Copyright (C) 2001-2012 Guus Sliepen <guus@tinc-vpn.org>,
+ Copyright (C) 2001-2013 Guus Sliepen <guus@tinc-vpn.org>,
2001-2005 Ivo Timmermans
This program is free software; you can redistribute it and/or modify
node_t *n;
edge_t *e;
char *filename = NULL, *tmpname = NULL;
- FILE *file, *pipe;
+ FILE *file, *pipe = NULL;
if(!graph_changed || !get_config_string(lookup_config(config_tree, "GraphDumpFile"), &filename))
return;
fprintf(file, "}\n");
- if(filename[0] == '|') {
+ if(pipe) {
pclose(pipe);
} else {
fclose(file);