1 files changed, 4 insertions, 0 deletions
diff --git a/src/vec.h b/src/vec.h
index f982bac..f5a6fd9 100644
--- a/src/vec.h
+++ b/src/vec.h
@@ -73,6 +73,7 @@ static inline void VEC(append)(struct VEC_STRUCT *v, VEC_TYPE n)
 	if (v->n >= v->s) {
 		v->s *= 2;
 		v->buf = realloc(v->buf, v->s * sizeof(VEC_TYPE));
+		assert(v->buf);
 	}
 
 	v->buf[v->n - 1] = n;
@@ -99,6 +100,9 @@ static inline void VEC(reserve)(struct VEC_STRUCT *v, size_t n)
 		return;
 
 	v->n = n;
+	if (v->s >= v->n)
+		return;
+
 	while (v->s < v->n)
 		v->s *= 2;