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Fix a potential memory leak.
[tinc]
/
src
/
graph.c
diff --git
a/src/graph.c
b/src/graph.c
index
edea91b
..
8ffd70e
100644
(file)
--- a/
src/graph.c
+++ b/
src/graph.c
@@
-1,6
+1,6
@@
/*
graph.c -- graph algorithms
/*
graph.c -- graph algorithms
- Copyright (C) 2001-201
3
Guus Sliepen <guus@tinc-vpn.org>,
+ Copyright (C) 2001-201
4
Guus Sliepen <guus@tinc-vpn.org>,
2001-2005 Ivo Timmermans
This program is free software; you can redistribute it and/or modify
2001-2005 Ivo Timmermans
This program is free software; you can redistribute it and/or modify
@@
-212,9
+212,13
@@
static void sssp_bfs(void) {
&& (!e->to->status.indirect || indirect))
continue;
&& (!e->to->status.indirect || indirect))
continue;
+ // Only update nexthop the first time we visit this node.
+
+ if(!e->to->status.visited)
+ e->to->nexthop = (n->nexthop == myself) ? e->to : n->nexthop;
+
e->to->status.visited = true;
e->to->status.indirect = indirect;
e->to->status.visited = true;
e->to->status.indirect = indirect;
- e->to->nexthop = (n->nexthop == myself) ? e->to : n->nexthop;
e->to->prevedge = e;
e->to->via = indirect ? n->via : e->to;
e->to->options = e->options;
e->to->prevedge = e;
e->to->via = indirect ? n->via : e->to;
e->to->options = e->options;
@@
-336,6
+340,7
@@
void dump_graph(void) {
if(!file) {
logger(LOG_ERR, "Unable to open graph dump file %s: %s", filename, strerror(errno));
if(!file) {
logger(LOG_ERR, "Unable to open graph dump file %s: %s", filename, strerror(errno));
+ free(filename);
free(tmpname);
return;
}
free(tmpname);
return;
}
@@
-363,7
+368,10
@@
void dump_graph(void) {
#ifdef HAVE_MINGW
unlink(filename);
#endif
#ifdef HAVE_MINGW
unlink(filename);
#endif
- rename(tmpname, filename);
+ if(rename(tmpname, filename))
+ logger(LOG_ERR, "Could not rename %s to %s: %s\n", tmpname, filename, strerror(errno));
free(tmpname);
}
free(tmpname);
}
+
+ free(filename);
}
}