From c9b121803c3ad85c2dbb160f67a630e262bcedf5 Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Fri, 16 Jul 2010 15:45:24 +0000
Subject: [PATCH] add new files

git-svn-id: svn://localhost/ardour2/branches/3.0@7427 d708f5d6-7413-0410-9779-e7cbd77b26cf
---
 libs/pbd/clear_dir.cc    | 70 ++++++++++++++++++++++++++++++++++++++++
 libs/pbd/pbd/clear_dir.h | 12 +++++++
 2 files changed, 82 insertions(+)
 create mode 100644 libs/pbd/clear_dir.cc
 create mode 100644 libs/pbd/pbd/clear_dir.h

diff --git a/libs/pbd/clear_dir.cc b/libs/pbd/clear_dir.cc
new file mode 100644
index 0000000000..1966605af6
--- /dev/null
+++ b/libs/pbd/clear_dir.cc
@@ -0,0 +1,70 @@
+#include <string>
+#include <dirent.h>
+#include <unistd.h>
+#include <sys/stat.h>
+#include <errno.h>
+#include <string.h>
+
+#include "pbd/error.h"
+#include "pbd/compose.h"
+#include "pbd/clear_dir.h"
+
+#include "i18n.h"
+
+using namespace PBD;
+using namespace std;
+
+int
+PBD::clear_directory (const string& dir, size_t* size, vector<string>* paths)
+{
+	struct dirent* dentry;
+	struct stat statbuf;
+	DIR* dead;
+        int ret = 0;
+
+        if ((dead = ::opendir (dir.c_str())) == 0) {
+                return -1;
+        }
+        
+        while ((dentry = ::readdir (dead)) != 0) {
+                
+                /* avoid '.' and '..' */
+                
+                if ((dentry->d_name[0] == '.' && dentry->d_name[1] == '\0') ||
+                    (dentry->d_name[2] == '\0' && dentry->d_name[0] == '.' && dentry->d_name[1] == '.')) {
+                        continue;
+                }
+                
+                string fullpath;
+
+                fullpath = dir;
+                fullpath += '/';
+                fullpath += dentry->d_name;
+                
+                if (::stat (fullpath.c_str(), &statbuf)) {
+                        continue;
+                }
+                
+                if (!S_ISREG (statbuf.st_mode)) {
+                        continue;
+                }
+                
+                if (::unlink (fullpath.c_str())) {
+                        error << string_compose (_("cannot remove file %1 (%2)"), fullpath, strerror (errno))
+                              << endmsg;
+                        ret = 1;
+                }
+
+                if (paths) {
+                        paths->push_back (dentry->d_name);
+                }
+
+                if (size) {
+                        *size += statbuf.st_size;
+                }
+        }
+        
+        ::closedir (dead);
+
+        return ret;
+}
diff --git a/libs/pbd/pbd/clear_dir.h b/libs/pbd/pbd/clear_dir.h
new file mode 100644
index 0000000000..690a48d9c8
--- /dev/null
+++ b/libs/pbd/pbd/clear_dir.h
@@ -0,0 +1,12 @@
+#ifndef __pbd_clear_dir_h__
+#define __pbd_clear_dir_h__
+
+#include <string>
+#include <vector>
+#include <sys/types.h>
+
+namespace PBD {
+        int clear_directory (const std::string&, size_t* = 0, std::vector<std::string>* = 0);
+}
+
+#endif /* __pbd_clear_dir_h__ */