diff options
-rw-r--r-- | src/util/buffer.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/util/buffer.c b/src/util/buffer.c index 8efb3e284..dabf630c7 100644 --- a/src/util/buffer.c +++ b/src/util/buffer.c | |||
@@ -56,6 +56,8 @@ GNUNET_buffer_ensure_remaining (struct GNUNET_Buffer *buf, | |||
56 | { | 56 | { |
57 | size_t new_capacity = buf->position + n; | 57 | size_t new_capacity = buf->position + n; |
58 | 58 | ||
59 | /* guard against overflow */ | ||
60 | GNUNET_assert (new_capacity >= buf->position); | ||
59 | if (new_capacity <= buf->capacity) | 61 | if (new_capacity <= buf->capacity) |
60 | return; | 62 | return; |
61 | /* warn if calculation of expected size was wrong */ | 63 | /* warn if calculation of expected size was wrong */ |