From 92ff05696506d423111fc7c0ff1e571f64af4615 Mon Sep 17 00:00:00 2001
From: "A. Wilcox" <AWilcox@Wilcox-Tech.com>
Date: Sat, 12 Oct 2019 09:51:51 -0500
Subject: hscript: Fix dot logic in Hostname::execute

---
 hscript/meta.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/hscript/meta.cc b/hscript/meta.cc
index 6bf4587..faec607 100644
--- a/hscript/meta.cc
+++ b/hscript/meta.cc
@@ -74,13 +74,13 @@ bool Hostname::execute(ScriptOptions opts) const {
          * That's fine, because we have a limit of 64 chars per segment.
          * Assuming a dot is present, just chop at the first dot. */
         std::string::size_type dot = this->_value.find_first_of('.');
-        if(dot == std::string::npos) {
+        if(dot == std::string::npos || dot >= 64) {
             output_error("installfile:" + std::to_string(this->lineno()),
                          "hostname: nodename too long",
                          "Linux requires nodename to be <= 64 characters.");
             return false;
         }
-        std::copy_n(this->_value.cbegin(), dot, actual.begin());
+        std::copy_n(this->_value.cbegin(), dot - 1, actual.begin());
     } else {
         actual = this->_value;
     }
-- 
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