From c297d134c33cf0dbf02cafe8966b4ebdc3329d7a Mon Sep 17 00:00:00 2001
From: Guillaume Melquiond <guillaume.melquiond@gmail.com>
Date: Tue, 12 Jul 2005 20:54:15 +0000
Subject: [PATCH] Log an error when a file opening failed.

---
 src/filesystem.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/filesystem.cpp b/src/filesystem.cpp
index 05a85bb38da..9582a4aaae4 100644
--- a/src/filesystem.cpp
+++ b/src/filesystem.cpp
@@ -440,7 +440,10 @@ std::istream *istream_file(std::string const &fname)
 
 	// FIXME: why do we rely on this even with relative paths ?
 	// still useful with zipios, for things like cache and prefs
-	return new std::ifstream(fname.c_str(),std::ios_base::binary);
+	std::istream *s = new std::ifstream(fname.c_str(), std::ios_base::binary);
+	if (s->fail())
+		ERR_FS << "streaming " << fname << " failed.\n";
+	return s;
 }
 
 std::string read_file(std::string const &fname)