MINOR: vars: Allow '.' in variable names
This is required to have implicit prefix or scope. SPOE filter will use it to
keep variables set by an agent in its own namespace.
diff --git a/src/vars.c b/src/vars.c
index 59c29aa..e37ff74 100644
--- a/src/vars.c
+++ b/src/vars.c
@@ -211,7 +211,7 @@
/* Check variable name syntax. */
tmp = var_names[var_names_nb - 1];
while (*tmp) {
- if (!isalnum((int)(unsigned char)*tmp) && *tmp != '_') {
+ if (!isalnum((int)(unsigned char)*tmp) && *tmp != '_' && *tmp != '.') {
memprintf(err, "invalid syntax at char '%s'", tmp);
return NULL;
}