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-rw-r--r--src/UpdateIO.cxx113
1 files changed, 113 insertions, 0 deletions
diff --git a/src/UpdateIO.cxx b/src/UpdateIO.cxx
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index 000000000..7e262555c
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+++ b/src/UpdateIO.cxx
@@ -0,0 +1,113 @@
+/*
+ * Copyright (C) 2003-2012 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" /* must be first for large file support */
+#include "UpdateIO.hxx"
+#include "Directory.hxx"
+#include "Mapper.hxx"
+#include "fs/Path.hxx"
+#include "fs/FileSystem.hxx"
+
+#include <glib.h>
+
+#include <errno.h>
+#include <unistd.h>
+
+int
+stat_directory(const Directory *directory, struct stat *st)
+{
+ const Path path_fs = map_directory_fs(directory);
+ if (path_fs.IsNull())
+ return -1;
+
+ if (!StatFile(path_fs, *st)) {
+ int error = errno;
+ const std::string path_utf8 = path_fs.ToUTF8();
+ g_warning("Failed to stat %s: %s",
+ path_utf8.c_str(), g_strerror(error));
+ return -1;
+ }
+
+ return 0;
+}
+
+int
+stat_directory_child(const Directory *parent, const char *name,
+ struct stat *st)
+{
+ const Path path_fs = map_directory_child_fs(parent, name);
+ if (path_fs.IsNull())
+ return -1;
+
+ if (!StatFile(path_fs, *st)) {
+ int error = errno;
+ const std::string path_utf8 = path_fs.ToUTF8();
+ g_warning("Failed to stat %s: %s",
+ path_utf8.c_str(), g_strerror(error));
+ return -1;
+ }
+
+ return 0;
+}
+
+bool
+directory_exists(const Directory *directory)
+{
+ const Path path_fs = map_directory_fs(directory);
+ if (path_fs.IsNull())
+ /* invalid path: cannot exist */
+ return false;
+
+ return directory->device == DEVICE_INARCHIVE ||
+ directory->device == DEVICE_CONTAINER
+ ? FileExists(path_fs)
+ : DirectoryExists(path_fs);
+}
+
+bool
+directory_child_is_regular(const Directory *directory,
+ const char *name_utf8)
+{
+ const Path path_fs = map_directory_child_fs(directory, name_utf8);
+ if (path_fs.IsNull())
+ return false;
+
+ return FileExists(path_fs);
+}
+
+bool
+directory_child_access(const Directory *directory,
+ const char *name, int mode)
+{
+#ifdef WIN32
+ /* CheckAccess() is useless on WIN32 */
+ (void)directory;
+ (void)name;
+ (void)mode;
+ return true;
+#else
+ const Path path = map_directory_child_fs(directory, name);
+ if (path.IsNull())
+ /* something went wrong, but that isn't a permission
+ problem */
+ return true;
+
+ return CheckAccess(path, mode) || errno != EACCES;
+#endif
+}