From a9d9f98283394d7edc0f5ed73569fefe1c15721b Mon Sep 17 00:00:00 2001
From: Ben Bridle <bridle.benjamin@gmail.com>
Date: Sat, 18 Jan 2025 09:59:08 +1300
Subject: Fix panic when internal link has no path segments

This was being triggered when an internal link was given as [[/]],
which is admittedly an invalid link anyway.
---
 src/collect_files.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/collect_files.rs b/src/collect_files.rs
index dfcc847..64cfc30 100644
--- a/src/collect_files.rs
+++ b/src/collect_files.rs
@@ -279,7 +279,7 @@ impl Website {
             .filter(|s| !s.is_empty() && *s != ".")
             .collect();
         'outer: loop {
-            for i in 0..(segments.len()-1) {
+            for i in 0..(segments.len().saturating_sub(1)) {
                 if segments[i] == ".." {
                     if i == 0 {
                         segments.remove(0);
-- 
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