FileSystem: extract DirectoryReader, improve the rest

- DirectoryReader is extracted to separate header
- FileSystem.cxx/FileSystem.hxx/DirectoryReader.hxx moved to fs/ subdir
- Functions return true on success, instead of 0 (where applicable)
- ReadLink return result instead of out parameter
- UnlinkFile is renamed to RemoveFile
- CheckExists/CheckIsRegular/CheckIsDirectory are renamed
  to PathExists/FileExists/DirectoryExists

1 files changed, 0 insertions, 55 deletions

diff --git a/src/FileSystem.cxx b/src/FileSystem.cxx
deleted file mode 100644
index 70d0d71bb..000000000
--- a/src/FileSystem.cxx
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
- * Copyright (C) 2003-2013 The Music Player Daemon Project
- * http://www.musicpd.org
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#include "config.h"
-#include "FileSystem.hxx"
-
-#include <errno.h>
-
-bool ReadLink(const Path &path, Path &result)
-{
-#ifdef WIN32
-	(void)path;
-	result = Path::Null();
-	errno = EINVAL;
-	return false;
-#else
-	char buffer[MPD_PATH_MAX];
-	ssize_t size = readlink(path.c_str(), buffer, MPD_PATH_MAX);
-	int orig_errno = errno;
-	if (size < 0) {
-		result = Path::Null();
-		errno = orig_errno;
-		return false;
-	}
-	if (size >= MPD_PATH_MAX) {
-		result = Path::Null();
-		errno = ENOMEM;
-		return false;
-	}
-	buffer[size] = '\0';
-	result = Path::FromFS(buffer);
-	if (result.IsNull()) {
-		errno = ENOMEM;
-		return false;
-	}
-	errno = orig_errno;
-	return true;
-#endif
-}