From 9a1b6239eae4da592f238350e97b7cf32c8dab43 Mon Sep 17 00:00:00 2001
From: Maxim Mamontov <faust.madf@gmail.com>
Date: Sat, 28 May 2011 18:05:40 +0300
Subject: [PATCH] Replace RemoveDir with more efficient implementation

---
 .../plugins/store/files/file_store.cpp        | 60 +++++++++++++------
 1 file changed, 41 insertions(+), 19 deletions(-)

diff --git a/projects/stargazer/plugins/store/files/file_store.cpp b/projects/stargazer/plugins/store/files/file_store.cpp
index 255f0134..5fadbd4d 100644
--- a/projects/stargazer/plugins/store/files/file_store.cpp
+++ b/projects/stargazer/plugins/store/files/file_store.cpp
@@ -561,40 +561,62 @@ return 0;
 //-----------------------------------------------------------------------------
 int FILES_STORE::RemoveDir(const char * path) const
 {
-vector<string> fileList;
+DIR * d = opendir(path);
 
-GetFileList(&fileList, path, S_IFREG, "");
+if (!d)
+    {
+    errorStr = "failed to open dir. Message: '";
+    errorStr += strerror(errno);
+    errorStr += "'";
+    printfd(__FILE__, "FILE_STORE::RemoveDir() - Failed to open dir '%s': '%s'\n", path, strerror(errno));
+    return -1;
+    }
 
-for (unsigned i = 0; i < fileList.size(); i++)
+dirent * entry;
+while ((entry = readdir(d)))
     {
-    string file = path + string("/") + fileList[i];
-    if (unlink(file.c_str()))
+    if (!(strcmp(entry->d_name, ".") && strcmp(entry->d_name, "..")))
+        continue;
+
+    string str = path;
+    str += "/" + string(entry->d_name);
+
+    struct stat st;
+    if (stat(str.c_str(), &st))
+        continue;
+
+    if ((st.st_mode & S_IFREG))
         {
-        STG_LOCKER lock(&mutex, __FILE__, __LINE__);
-        errorStr = "unlink failed. Message: '";
-        errorStr += strerror(errno);
-        errorStr += "'";
-        printfd(__FILE__, "FILES_STORE::RemoveDir - unlink failed. Message: '%s'\n", strerror(errno));
-        return -1;
+        if (unlink(str.c_str()))
+            {
+            STG_LOCKER lock(&mutex, __FILE__, __LINE__);
+            errorStr = "unlink failed. Message: '";
+            errorStr += strerror(errno);
+            errorStr += "'";
+            printfd(__FILE__, "FILES_STORE::RemoveDir() - unlink failed. Message: '%s'\n", strerror(errno));
+            return -1;
+            }
         }
-    }
 
-fileList.clear();
-GetFileList(&fileList, path, S_IFDIR, "");
+    if (!(st.st_mode & S_IFDIR))
+        {
+        if (RemoveDir(str.c_str()))
+            {
+            return -1;
+            }
 
-for (unsigned i = 0; i < fileList.size(); i++)
-    {
-    string dir = string(path) + "/" + fileList[i];
-    RemoveDir(dir.c_str());
+        }
     }
 
+closedir(d);
+
 if (rmdir(path))
     {
     STG_LOCKER lock(&mutex, __FILE__, __LINE__);
     errorStr = "rmdir failed. Message: '";
     errorStr += strerror(errno);
     errorStr += "'";
-    printfd(__FILE__, "FILES_STORE::RemoveDir - rmdir failed. Message: '%s'\n", strerror(errno));
+    printfd(__FILE__, "FILES_STORE::RemoveDir() - rmdir failed. Message: '%s'\n", strerror(errno));
     return -1;
     }
 
-- 
2.43.2