From 9059147974ffbe2bea55b9c2136307a77f465835 Mon Sep 17 00:00:00 2001
From: Sadie Powell
Date: Sat, 15 Jan 2022 22:45:11 +0000
Subject: Replace uses of the FileSystem class with std::filesystem.

---
 src/configreader.cpp | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

(limited to 'src/configreader.cpp')

diff --git a/src/configreader.cpp b/src/configreader.cpp
index 735bd9a22..1aa71443b 100644
--- a/src/configreader.cpp
+++ b/src/configreader.cpp
@@ -31,12 +31,14 @@
  */
 
 
+#include <filesystem>
+#include <iostream>
+
 #include "inspircd.h"
 #include "xline.h"
 #include "listmode.h"
 #include "exitcodes.h"
 #include "configparser.h"
-#include <iostream>
 
 ServerLimits::ServerLimits(std::shared_ptr<ConfigTag> tag)
 	: MaxLine(tag->getUInt("maxline", 512, 512))
@@ -62,6 +64,23 @@ ServerConfig::ServerPaths::ServerPaths(std::shared_ptr<ConfigTag> tag)
 {
 }
 
+std::string ServerConfig::ServerPaths::ExpandPath(const std::string& base, const std::string& fragment)
+{
+	// The fragment is an absolute path, don't modify it.
+	if (std::filesystem::path(fragment).is_absolute())
+		return fragment;
+
+	// The fragment is relative to a home directory, expand that.
+	if (!fragment.compare(0, 2, "~/", 2))
+	{
+		const char* homedir = getenv("HOME");
+		if (homedir && *homedir)
+			return std::string(homedir) + '/' + fragment.substr(2);
+	}
+
+	return base + '/' + fragment;
+}
+
 ServerConfig::ServerConfig()
 	: EmptyTag(std::make_shared<ConfigTag>("empty", FilePosition("<auto>", 0, 0)))
 	, Limits(EmptyTag)
-- 
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