From ce093be12c4f2c6aab20774b1b4a10cf206b8e35 Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@musicpd.org>
Date: Wed, 4 Dec 2019 12:31:38 +0100
Subject: [PATCH] system/Error: add FormatFileNotFound()

---
 src/system/Error.hxx | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/system/Error.hxx b/src/system/Error.hxx
index a22c3ba29..5027e6864 100644
--- a/src/system/Error.hxx
+++ b/src/system/Error.hxx
@@ -147,6 +147,18 @@ FormatErrno(const char *fmt, Args&&... args) noexcept
 	return FormatErrno(errno, fmt, std::forward<Args>(args)...);
 }
 
+template<typename... Args>
+static inline std::system_error
+FormatFileNotFound(const char *fmt, Args&&... args) noexcept
+{
+#ifdef _WIN32
+	return FormatLastError(ERROR_FILE_NOT_FOUND, fmt,
+			       std::forward<Args>(args)...);
+#else
+	return FormatErrno(ENOENT, fmt, std::forward<Args>(args)...);
+#endif
+}
+
 gcc_pure
 inline bool
 IsErrno(const std::system_error &e, int code) noexcept