Fix possible loss of data compile warning

thomasspriggs · thomasspriggs · commit 5b75acd409f0 · 2022-01-25T14:31:37.000Z
diff --git a/src/util/piped_process.cpp b/src/util/piped_process.cpp
@@ -346,7 +346,8 @@ piped_processt::send_responset piped_processt::send(const std::string &message)
     return send_responset::ERRORED;
   }
 #ifdef _WIN32
-  if(!WriteFile(child_std_IN_Wr, message.c_str(), message.size(), NULL, NULL))
+  const auto message_size = narrow<DWORD>(message.size());
+  if(!WriteFile(child_std_IN_Wr, message.c_str(), message_size, NULL, NULL))
   {
     // Error handling with GetLastError ?
     return send_responset::FAILED;

Original file line number	Diff line number	Diff line change
`@@ -346,7 +346,8 @@ piped_processt::send_responset piped_processt::send(const std::string &message)`
`346`	`346`	`return send_responset::ERRORED;`
`347`	`347`	`}`
`348`	`348`	`#ifdef _WIN32`
`349`		`- if(!WriteFile(child_std_IN_Wr, message.c_str(), message.size(), NULL, NULL))`
	`349`	`+ const auto message_size = narrow<DWORD>(message.size());`
	`350`	`+ if(!WriteFile(child_std_IN_Wr, message.c_str(), message_size, NULL, NULL))`
`350`	`351`	`{`
`351`	`352`	`// Error handling with GetLastError ?`
`352`	`353`	`return send_responset::FAILED;`