From 188a111877127f2d358e981b9f4642cc67bcd2ce Mon Sep 17 00:00:00 2001
From: Antonio SJ Musumeci <trapexit@spawn.link>
Date: Wed, 11 Mar 2026 08:02:09 -0500
Subject: [PATCH] Better error handling in pagesize config type

---
 src/config_pagesize.cpp | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/config_pagesize.cpp b/src/config_pagesize.cpp
index 5083a7ef..c71737ec 100644
--- a/src/config_pagesize.cpp
+++ b/src/config_pagesize.cpp
@@ -46,12 +46,19 @@ ConfigPageSize::to_string(void) const
 int
 ConfigPageSize::from_string(const std::string_view s_)
 {
+  int rv;
   u64 v;
   u64 pagesize;
 
+  if(s_.empty())
+    return -EINVAL;
+
   pagesize = sysconf(_SC_PAGESIZE);
 
-  str::from(s_,&v);
+  rv = str::from(s_,&v);
+  if(rv < 0)
+    return rv;
+
   if(!std::isalpha(s_.back()))
     v *= pagesize;