From 2176169257505d22021fc9a739c9f2090c514cb4 Mon Sep 17 00:00:00 2001
From: Kimplul <kimi.h.kuparinen@gmail.com>
Date: Thu, 16 Oct 2025 17:47:13 +0300
Subject: check iteration on empty vectors

---
 include/conts/spvec.h | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'include')

diff --git a/include/conts/spvec.h b/include/conts/spvec.h
index 4fffb4a..d557fa8 100644
--- a/include/conts/spvec.h
+++ b/include/conts/spvec.h
@@ -193,6 +193,13 @@ static inline void SPVEC(shrink)(struct SPVEC_STRUCT *v, size_t n)
 
 static inline SPVEC_ITER SPVEC(begin)(struct SPVEC_STRUCT *v)
 {
+	if (v->n == 0) {
+		return (SPVEC_ITER) {
+			.i = 0,
+			.v = NULL
+		};
+	}
+
 	return (SPVEC_ITER){
 		.i = 0,
 		.v = SPVEC(at)(v, 0)
-- 
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