From 36e7d06b3934aee88e8b901e1eccbca6ba0b92d8 Mon Sep 17 00:00:00 2001
From: "Scott E. Graves" <scott.e.graves@protonmail.com>
Date: Sat, 3 Aug 2024 00:02:12 -0500
Subject: [PATCH] updated build system

---
 support/3rd_party/src/utils/file.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/support/3rd_party/src/utils/file.cpp b/support/3rd_party/src/utils/file.cpp
index c8e5902c..4ac4f20d 100644
--- a/support/3rd_party/src/utils/file.cpp
+++ b/support/3rd_party/src/utils/file.cpp
@@ -109,10 +109,11 @@ auto file::read_(unsigned char *data, std::size_t to_read, std::uint64_t offset,
                  static_cast<std::streamoff>(to_read));
     if (total_read != nullptr) {
       auto after = stream_.tellg();
-      if (after == -1) {
+      if (after >= 0) {
+        (*total_read) = static_cast<std::size_t>(after - before);
+      } else if (after == -1 && stream_.fail()) {
         throw std::runtime_error("failed to tellg() after read");
       }
-      (*total_read) = static_cast<std::size_t>(after - before);
     }
 
     return true;