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From 1435ccd417f6ab533d511865846c263936dec6c6 Mon Sep 17 00:00:00 2001
From: Zhangzhi Hu <integral@member.fsf.org>
Date: Thu, 27 Mar 2025 18:56:24 +0000
Subject: [PATCH] Fix corner case of single-threaded CPU when calculating
number of threads
Currently, the number of threads will be 0 on single-threaded CPUs.
Use `std::max` to fix this corner case.
---
plugins/libarchive/readwritelibarchiveplugin.cpp | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/plugins/libarchive/readwritelibarchiveplugin.cpp b/plugins/libarchive/readwritelibarchiveplugin.cpp
index 5f91385f9..b5c8e711c 100644
--- a/plugins/libarchive/readwritelibarchiveplugin.cpp
+++ b/plugins/libarchive/readwritelibarchiveplugin.cpp
@@ -302,7 +302,7 @@ bool ReadWriteLibarchivePlugin::initializeNewFileCompressionOptions(const Compre
{
int ret;
bool requiresExecutable = false;
- const auto threads = std::to_string(static_cast<unsigned>(std::thread::hardware_concurrency() * 0.8));
+ const auto threads = std::to_string(std::max(1u, static_cast<unsigned>(std::thread::hardware_concurrency() * 0.8)));
const bool is7zFile = filename().right(2).toUpper() == QLatin1String("7Z");
if (is7zFile) {
--
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