update_walk: move code to update_io.c

3 files changed, 168 insertions, 100 deletions

diff --git a/src/update_io.c b/src/update_io.c
new file mode 100644
index 000000000..887ebe2e5
--- /dev/null
+++ b/src/update_io.c
@@ -0,0 +1,116 @@
+/*
+ * 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 "update_io.h"
+#include "mapper.h"
+#include "directory.h"
+
+#include <glib.h>
+
+#include <errno.h>
+#include <unistd.h>
+
+int
+stat_directory(const struct directory *directory, struct stat *st)
+{
+	char *path_fs = map_directory_fs(directory);
+	if (path_fs == NULL)
+		return -1;
+
+	int ret = stat(path_fs, st);
+	if (ret < 0)
+		g_warning("Failed to stat %s: %s", path_fs, g_strerror(errno));
+
+	g_free(path_fs);
+	return ret;
+}
+
+int
+stat_directory_child(const struct directory *parent, const char *name,
+		     struct stat *st)
+{
+	char *path_fs = map_directory_child_fs(parent, name);
+	if (path_fs == NULL)
+		return -1;
+
+	int ret = stat(path_fs, st);
+	if (ret < 0)
+		g_warning("Failed to stat %s: %s", path_fs, g_strerror(errno));
+
+	g_free(path_fs);
+	return ret;
+}
+
+bool
+directory_exists(const struct directory *directory)
+{
+	char *path_fs = map_directory_fs(directory);
+	if (path_fs == NULL)
+		/* invalid path: cannot exist */
+		return false;
+
+	GFileTest test = directory->device == DEVICE_INARCHIVE ||
+		directory->device == DEVICE_CONTAINER
+		? G_FILE_TEST_IS_REGULAR
+		: G_FILE_TEST_IS_DIR;
+
+	bool exists = g_file_test(path_fs, test);
+	g_free(path_fs);
+
+	return exists;
+}
+
+bool
+directory_child_is_regular(const struct directory *directory,
+			   const char *name_utf8)
+{
+	char *path_fs = map_directory_child_fs(directory, name_utf8);
+	if (path_fs == NULL)
+		return false;
+
+	struct stat st;
+	bool is_regular = stat(path_fs, &st) == 0 && S_ISREG(st.st_mode);
+	g_free(path_fs);
+
+	return is_regular;
+}
+
+bool
+directory_child_access(const struct directory *directory,
+		       const char *name, int mode)
+{
+#ifdef WIN32
+	/* access() is useless on WIN32 */
+	(void)directory;
+	(void)name;
+	(void)mode;
+	return true;
+#else
+	char *path = map_directory_child_fs(directory, name);
+	if (path == NULL)
+		/* something went wrong, but that isn't a permission
+		   problem */
+		return true;
+
+	bool success = access(path, mode) == 0 || errno != EACCES;
+	g_free(path);
+	return success;
+#endif
+}
diff --git a/src/update_io.h b/src/update_io.h
new file mode 100644
index 000000000..6ff1ccebd
--- /dev/null
+++ b/src/update_io.h
@@ -0,0 +1,51 @@
+/*
+ * 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.
+ */
+
+#ifndef MPD_UPDATE_IO_H
+#define MPD_UPDATE_IO_H
+
+#include "check.h"
+
+#include <stdbool.h>
+#include <sys/stat.h>
+
+struct directory;
+
+int
+stat_directory(const struct directory *directory, struct stat *st);
+
+int
+stat_directory_child(const struct directory *parent, const char *name,
+		     struct stat *st);
+
+bool
+directory_exists(const struct directory *directory);
+
+bool
+directory_child_is_regular(const struct directory *directory,
+			   const char *name_utf8);
+
+/**
+ * Checks if the given permissions on the mapped file are given.
+ */
+bool
+directory_child_access(const struct directory *directory,
+		       const char *name, int mode);
+
+#endif
diff --git a/src/update_walk.c b/src/update_walk.c
index 18846250a..cc0749e6d 100644
--- a/src/update_walk.c
+++ b/src/update_walk.c
@@ -19,6 +19,7 @@
 
 #include "config.h" /* must be first for large file support */
 #include "update_internal.h"
+#include "update_io.h"
 #include "database.h"
 #include "db_lock.h"
 #include "exclude.h"
@@ -208,44 +209,6 @@ remove_excluded_from_directory(struct directory *directory,
 	db_unlock();
 }
 
-static bool
-directory_exists(const struct directory *directory)
-{
-	char *path_fs;
-	GFileTest test;
-	bool exists;
-
-	path_fs = map_directory_fs(directory);
-	if (path_fs == NULL)
-		/* invalid path: cannot exist */
-		return false;
-
-	test = directory->device == DEVICE_INARCHIVE ||
-		directory->device == DEVICE_CONTAINER
-		? G_FILE_TEST_IS_REGULAR
-		: G_FILE_TEST_IS_DIR;
-
-	exists = g_file_test(path_fs, test);
-	g_free(path_fs);
-
-	return exists;
-}
-
-static bool
-directory_child_is_regular(const struct directory *directory,
-			   const char *name_utf8)
-{
-	char *path_fs = map_directory_child_fs(directory, name_utf8);
-	if (path_fs == NULL)
-		return false;
-
-	struct stat st;
-	bool is_regular = stat(path_fs, &st) == 0 && S_ISREG(st.st_mode);
-	g_free(path_fs);
-
-	return is_regular;
-}
-
 static void
 removeDeletedFromDirectory(struct directory *directory)
 {
@@ -288,42 +251,6 @@ removeDeletedFromDirectory(struct directory *directory)
 	}
 }
 
-static int
-stat_directory(const struct directory *directory, struct stat *st)
-{
-	char *path_fs;
-	int ret;
-
-	path_fs = map_directory_fs(directory);
-	if (path_fs == NULL)
-		return -1;
-	ret = stat(path_fs, st);
-	if (ret < 0)
-		g_warning("Failed to stat %s: %s", path_fs, g_strerror(errno));
-
-	g_free(path_fs);
-	return ret;
-}
-
-static int
-stat_directory_child(const struct directory *parent, const char *name,
-		     struct stat *st)
-{
-	char *path_fs;
-	int ret;
-
-	path_fs = map_directory_child_fs(parent, name);
-	if (path_fs == NULL)
-		return -1;
-
-	ret = stat(path_fs, st);
-	if (ret < 0)
-		g_warning("Failed to stat %s: %s", path_fs, g_strerror(errno));
-
-	g_free(path_fs);
-	return ret;
-}
-
 #ifndef G_OS_WIN32
 static int
 statDirectory(struct directory *dir)
@@ -540,32 +467,6 @@ update_container_file(	struct directory* directory,
 		return true;
 }
 
-/**
- * Checks if the given permissions on the mapped file are given.
- */
-static bool
-directory_child_access(const struct directory *directory,
-		       const char *name, int mode)
-{
-#ifdef WIN32
-	/* access() is useless on WIN32 */
-	(void)directory;
-	(void)name;
-	(void)mode;
-	return true;
-#else
-	char *path = map_directory_child_fs(directory, name);
-	if (path == NULL)
-		/* something went wrong, but that isn't a permission
-		   problem */
-		return true;
-
-	bool success = access(path, mode) == 0 || errno != EACCES;
-	g_free(path);
-	return success;
-#endif
-}
-
 static void
 update_song_file(struct directory *directory,
 		 const char *name, const struct stat *st,