ratelimit: fix integer overflow

If StartLimitIntervalSec is huge, or more specifically, set to "infinity", we need to take care about overflows.

diff --git a/src/basic/ratelimit.c b/src/basic/ratelimit.c
index 90b3feb8dd622aa4ba32e43a65aaeb02c2faacdf..bae2ec3ffc5f9f6fc6f75839f8466638733ba492 100644 (file)
--- a/src/basic/ratelimit.c
+++ b/src/basic/ratelimit.c
@@ -19,7 +19,7 @@ bool ratelimit_below(RateLimit *r) {
         ts = now(CLOCK_MONOTONIC);
 
         if (r->begin <= 0 ||
-            r->begin + r->interval < ts) {
+            ts - r->begin > r->interval) {
                 r->begin = ts;
 
                 /* Reset counter */