From 00fc8e5d95509e0024fb7456c6377040ad2f97bd Mon Sep 17 00:00:00 2001
From: Yves Rutschle <git1@rutschle.net>
Date: Sun, 8 Jan 2023 22:50:10 +0100
Subject: [PATCH] fix off-by-one error

---
 gap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gap.c b/gap.c
index a0adfbc..4156233 100644
--- a/gap.c
+++ b/gap.c
@@ -99,7 +99,7 @@ int gap_remove_ptr(gap_array* gap, void* ptr, int len)
     else
         return -1;
 
-    for (i = start; i < len; i++) {
+    for (i = start; i < len - 1; i++) {
         gap->array[i] = gap->array[i+1];
     }