Fix warnings from cppcheck.

[tinc] / src / graph.c

diff --git a/src/graph.c b/src/graph.c
index d68a973..e2ef8b1 100644 (file)
--- a/src/graph.c
+++ b/src/graph.c
@@ -315,7 +315,7 @@ void dump_graph(void) {
        node_t *n;
        edge_t *e;
        char *filename = NULL, *tmpname = NULL;
-       FILE *file;
+       FILE *file, *pipe;
        
        if(!graph_changed || !get_config_string(lookup_config(config_tree, "GraphDumpFile"), &filename))
                return;
@@ -325,7 +325,7 @@ void dump_graph(void) {
        ifdebug(PROTOCOL) logger(LOG_NOTICE, "Dumping graph");
        
        if(filename[0] == '|') {
-               file = popen(filename + 1, "w");
+               file = pipe = popen(filename + 1, "w");
        } else {
                xasprintf(&tmpname, "%s.new", filename);
                file = fopen(tmpname, "w");
@@ -354,7 +354,7 @@ void dump_graph(void) {
        fprintf(file, "}\n");   
        
        if(filename[0] == '|') {
-               pclose(file);
+               pclose(pipe);
        } else {
                fclose(file);
 #ifdef HAVE_MINGW