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Allow dumping either directed or undirected graphs.
[tinc]
/
src
/
protocol.c
diff --git
a/src/protocol.c
b/src/protocol.c
index
1c5b6cf
..
1153d61
100644
(file)
--- a/
src/protocol.c
+++ b/
src/protocol.c
@@
-56,6
+56,9
@@
static char (*request_name[]) = {
static splay_tree_t *past_request_tree;
bool check_id(const char *id) {
+ if(!id || !*id)
+ return false;
+
for(; *id; id++)
if(!isalnum(*id) && *id != '_')
return false;