STORM-477 : pull in viewer-development

25 files changed, 406 insertions, 325 deletions

diff --git a/indra/cmake/Boost.cmake b/indra/cmake/Boost.cmake
index 7ce57a5572..012d3c2ab2 100644
--- a/indra/cmake/Boost.cmake
+++ b/indra/cmake/Boost.cmake
@@ -10,6 +10,8 @@ if (STANDALONE)
   set(BOOST_PROGRAM_OPTIONS_LIBRARY boost_program_options-mt)
   set(BOOST_REGEX_LIBRARY boost_regex-mt)
   set(BOOST_SIGNALS_LIBRARY boost_signals-mt)
+  set(BOOST_SYSTEM_LIBRARY boost_system-mt)
+  set(BOOST_FILESYSTEM_LIBRARY boost_filesystem-mt)
 else (STANDALONE)
   use_prebuilt_binary(boost)
   set(Boost_INCLUDE_DIRS ${LIBS_PREBUILT_DIR}/include)
@@ -26,6 +28,12 @@ else (STANDALONE)
       set(BOOST_SIGNALS_LIBRARY 
           optimized libboost_signals-vc71-mt-s-${BOOST_VERSION}
           debug libboost_signals-vc71-mt-sgd-${BOOST_VERSION})
+      set(BOOST_SYSTEM_LIBRARY 
+          optimized libboost_system-vc71-mt-s-${BOOST_VERSION}
+          debug libboost_system-vc71-mt-sgd-${BOOST_VERSION})
+      set(BOOST_FILESYSTEM_LIBRARY 
+          optimized libboost_filesystem-vc71-mt-s-${BOOST_VERSION}
+          debug libboost_filesystem-vc71-mt-sgd-${BOOST_VERSION})
     else (MSVC71)
       set(BOOST_PROGRAM_OPTIONS_LIBRARY 
           optimized libboost_program_options-vc80-mt-${BOOST_VERSION}
@@ -36,14 +44,24 @@ else (STANDALONE)
       set(BOOST_SIGNALS_LIBRARY 
           optimized libboost_signals-vc80-mt-${BOOST_VERSION}
           debug libboost_signals-vc80-mt-gd-${BOOST_VERSION})
+      set(BOOST_SYSTEM_LIBRARY 
+          optimized libboost_system-vc80-mt-${BOOST_VERSION}
+          debug libboost_system-vc80-mt-gd-${BOOST_VERSION})
+      set(BOOST_FILESYSTEM_LIBRARY 
+          optimized libboost_filesystem-vc80-mt-${BOOST_VERSION}
+          debug libboost_filesystem-vc80-mt-gd-${BOOST_VERSION})
     endif (MSVC71)
   elseif (DARWIN)
     set(BOOST_PROGRAM_OPTIONS_LIBRARY boost_program_options-xgcc40-mt)
     set(BOOST_REGEX_LIBRARY boost_regex-xgcc40-mt)
     set(BOOST_SIGNALS_LIBRARY boost_signals-xgcc40-mt)
+    set(BOOST_SYSTEM_LIBRARY boost_system-xgcc40-mt)
+    set(BOOST_FILESYSTEM_LIBRARY boost_filesystem-xgcc40-mt)
   elseif (LINUX)
     set(BOOST_PROGRAM_OPTIONS_LIBRARY boost_program_options-gcc41-mt)
     set(BOOST_REGEX_LIBRARY boost_regex-gcc41-mt)
     set(BOOST_SIGNALS_LIBRARY boost_signals-gcc41-mt)
+    set(BOOST_SYSTEM_LIBRARY boost_system-gcc41-mt)
+    set(BOOST_FILESYSTEM_LIBRARY boost_filesystem-gcc41-mt)
   endif (WINDOWS)
 endif (STANDALONE)
diff --git a/indra/integration_tests/llui_libtest/llui_libtest.cpp b/indra/integration_tests/llui_libtest/llui_libtest.cpp
index c34115ee80..217e26c3ca 100644
--- a/indra/integration_tests/llui_libtest/llui_libtest.cpp
+++ b/indra/integration_tests/llui_libtest/llui_libtest.cpp
@@ -33,6 +33,7 @@
 // linden library includes
 #include "llcontrol.h"		// LLControlGroup
 #include "lldir.h"
+#include "lldiriterator.h"
 #include "llerrorcontrol.h"
 #include "llfloater.h"
 #include "llfontfreetype.h"
@@ -174,7 +175,9 @@ void export_test_floaters()
 	std::string delim = gDirUtilp->getDirDelimiter();
 	std::string xui_dir = get_xui_dir() + "en" + delim;
 	std::string filename;
-	while (gDirUtilp->getNextFileInDir(xui_dir, "floater_test_*.xml", filename))
+
+	LLDirIterator iter(xui_dir, "floater_test_*.xml");
+	while (iter.next(filename))
 	{
 		if (filename.find("_new.xml") != std::string::npos)
 		{
diff --git a/indra/linux_updater/linux_updater.cpp b/indra/linux_updater/linux_updater.cpp
index d909516bf8..808ab3f64f 100644
--- a/indra/linux_updater/linux_updater.cpp
+++ b/indra/linux_updater/linux_updater.cpp
@@ -33,6 +33,7 @@
 #include "llerrorcontrol.h"
 #include "llfile.h"
 #include "lldir.h"
+#include "lldiriterator.h"
 #include "llxmlnode.h"
 #include "lltrans.h"
 
@@ -55,6 +56,8 @@ typedef struct _updater_app_state {
 	std::string strings_dirs;
 	std::string strings_file;
 
+	LLDirIterator *image_dir_iter;
+
 	GtkWidget *window;
 	GtkWidget *progress_bar;
 	GtkWidget *image;
@@ -108,7 +111,7 @@ bool translate_init(std::string comma_delim_path_list,
 void updater_app_ui_init(void);
 void updater_app_quit(UpdaterAppState *app_state);
 void parse_args_and_init(int argc, char **argv, UpdaterAppState *app_state);
-std::string next_image_filename(std::string& image_path);
+std::string next_image_filename(std::string& image_path, LLDirIterator& iter);
 void display_error(GtkWidget *parent, std::string title, std::string message);
 BOOL install_package(std::string package_file, std::string destination);
 BOOL spawn_viewer(UpdaterAppState *app_state);
@@ -174,7 +177,7 @@ void updater_app_ui_init(UpdaterAppState *app_state)
 
 		// load the first image
 		app_state->image = gtk_image_new_from_file
-			(next_image_filename(app_state->image_dir).c_str());
+			(next_image_filename(app_state->image_dir, *app_state->image_dir_iter).c_str());
 		gtk_widget_set_size_request(app_state->image, 340, 310);
 		gtk_container_add(GTK_CONTAINER(frame), app_state->image);
 
@@ -205,7 +208,7 @@ gboolean rotate_image_cb(gpointer data)
 	llassert(data != NULL);
 	app_state = (UpdaterAppState *) data;
 
-	filename = next_image_filename(app_state->image_dir);
+	filename = next_image_filename(app_state->image_dir, *app_state->image_dir_iter);
 
 	gdk_threads_enter();
 	gtk_image_set_from_file(GTK_IMAGE(app_state->image), filename.c_str());
@@ -214,10 +217,10 @@ gboolean rotate_image_cb(gpointer data)
 	return TRUE;
 }
 
-std::string next_image_filename(std::string& image_path)
+std::string next_image_filename(std::string& image_path, LLDirIterator& iter)
 {
 	std::string image_filename;
-	gDirUtilp->getNextFileInDir(image_path, "/*.jpg", image_filename);
+	iter.next(image_filename);
 	return image_path + "/" + image_filename;
 }
 
@@ -741,6 +744,7 @@ void parse_args_and_init(int argc, char **argv, UpdaterAppState *app_state)
 		else if ((!strcmp(argv[i], "--image-dir")) && (++i < argc))
 		{
 			app_state->image_dir = argv[i];
+			app_state->image_dir_iter = new LLDirIterator(argv[i], "/*.jpg");
 		}
 		else if ((!strcmp(argv[i], "--dest")) && (++i < argc))
 		{
@@ -825,6 +829,7 @@ int main(int argc, char **argv)
 	}
 
 	bool success = !app_state->failure;
+	delete app_state->image_dir_iter;
 	delete app_state;
 	return success ? 0 : 1;
 }
diff --git a/indra/llvfs/CMakeLists.txt b/indra/llvfs/CMakeLists.txt
index 722f4e2bfd..a3782d824b 100644
--- a/indra/llvfs/CMakeLists.txt
+++ b/indra/llvfs/CMakeLists.txt
@@ -12,6 +12,7 @@ include_directories(
 
 set(llvfs_SOURCE_FILES
     lldir.cpp
+    lldiriterator.cpp
     lllfsthread.cpp
     llpidlock.cpp
     llvfile.cpp
@@ -24,6 +25,7 @@ set(llvfs_HEADER_FILES
 
     lldir.h
     lldirguard.h
+    lldiriterator.h
     lllfsthread.h
     llpidlock.h
     llvfile.h
@@ -60,6 +62,11 @@ list(APPEND llvfs_SOURCE_FILES ${llvfs_HEADER_FILES})
 
 add_library (llvfs ${llvfs_SOURCE_FILES})
 
+target_link_libraries(llvfs
+    ${BOOST_FILESYSTEM_LIBRARY}
+    ${BOOST_SYSTEM_LIBRARY}
+    )
+
 if (DARWIN)
   include(CMakeFindFrameworks)
   find_library(CARBON_LIBRARY Carbon)
diff --git a/indra/llvfs/lldir.cpp b/indra/llvfs/lldir.cpp
index 64556bcb4c..ab7d15dfef 100644
--- a/indra/llvfs/lldir.cpp
+++ b/indra/llvfs/lldir.cpp
@@ -40,6 +40,8 @@
 #include "lltimer.h"	// ms_sleep()
 #include "lluuid.h"
 
+#include "lldiriterator.h"
+
 #if LL_WINDOWS
 #include "lldir_win32.h"
 LLDir_Win32 gDirUtil;
@@ -83,7 +85,9 @@ S32 LLDir::deleteFilesInDir(const std::string &dirname, const std::string &mask)
 	std::string filename; 
 	std::string fullpath;
 	S32 result;
-	while (getNextFileInDir(dirname, mask, filename))
+
+	LLDirIterator iter(dirname, mask);
+	while (iter.next(filename))
 	{
 		fullpath = dirname;
 		fullpath += getDirDelimiter();
diff --git a/indra/llvfs/lldir.h b/indra/llvfs/lldir.h
index 42996fd051..5ee8bdb542 100644
--- a/indra/llvfs/lldir.h
+++ b/indra/llvfs/lldir.h
@@ -75,31 +75,6 @@ class LLDir
 // pure virtual functions
 	virtual U32 countFilesInDir(const std::string &dirname, const std::string &mask) = 0;
 
-    /// Walk the files in a directory, with file pattern matching
-	virtual BOOL getNextFileInDir(const std::string& dirname, ///< directory path - must end in trailing slash!
-                                  const std::string& mask,    ///< file pattern string (use "*" for all)
-                                  std::string& fname          ///< output: found file name
-                                  ) = 0;
-    /**<
-     * @returns true if a file was found, false if the entire directory has been scanned.
-     *
-     * @note that this function is NOT thread safe
-     *
-     * This function may not be used to scan part of a directory, then start a new search of a different
-     * directory, and then restart the first search where it left off; the entire search must run to
-     * completion or be abandoned - there is no restart.
-     *
-     * @bug: See http://jira.secondlife.com/browse/VWR-23697
-     *       and/or the tests in test/lldir_test.cpp
-     *       This is known to fail with patterns that have both:
-     *       a wildcard left of a . and more than one sequential ? right of a .
-     *       the pattern foo.??x appears to work
-     *       but *.??x or foo?.??x do not
-     *
-     * @todo this really should be rewritten as an iterator object, and the
-     *       filtering should be done in a platform-independent way.
-     */
-
 	virtual std::string getCurPath() = 0;
 	virtual BOOL fileExists(const std::string &filename) const = 0;
 
diff --git a/indra/llvfs/lldir_linux.cpp b/indra/llvfs/lldir_linux.cpp
index 73f2336f94..4ba2f519b0 100644
--- a/indra/llvfs/lldir_linux.cpp
+++ b/indra/llvfs/lldir_linux.cpp
@@ -242,68 +242,6 @@ U32 LLDir_Linux::countFilesInDir(const std::string &dirname, const std::string &
 	return (file_count);
 }
 
-// get the next file in the directory
-BOOL LLDir_Linux::getNextFileInDir(const std::string &dirname, const std::string &mask, std::string &fname)
-{
-	glob_t g;
-	BOOL result = FALSE;
-	fname = "";
-	
-	if(!(dirname == mCurrentDir))
-	{
-		// different dir specified, close old search
-		mCurrentDirIndex = -1;
-		mCurrentDirCount = -1;
-		mCurrentDir = dirname;
-	}
-	
-	std::string tmp_str;
-	tmp_str = dirname;
-	tmp_str += mask;
-
-	if(glob(tmp_str.c_str(), GLOB_NOSORT, NULL, &g) == 0)
-	{
-		if(g.gl_pathc > 0)
-		{
-			if((int)g.gl_pathc != mCurrentDirCount)
-			{
-				// Number of matches has changed since the last search, meaning a file has been added or deleted.
-				// Reset the index.
-				mCurrentDirIndex = -1;
-				mCurrentDirCount = g.gl_pathc;
-			}
-	
-			mCurrentDirIndex++;
-	
-			if(mCurrentDirIndex < (int)g.gl_pathc)
-			{
-//				llinfos << "getNextFileInDir: returning number " << mCurrentDirIndex << ", path is " << g.gl_pathv[mCurrentDirIndex] << llendl;
-
-				// The API wants just the filename, not the full path.
-				//fname = g.gl_pathv[mCurrentDirIndex];
-
-				char *s = strrchr(g.gl_pathv[mCurrentDirIndex], '/');
-				
-				if(s == NULL)
-					s = g.gl_pathv[mCurrentDirIndex];
-				else if(s[0] == '/')
-					s++;
-					
-				fname = s;
-				
-				result = TRUE;
-			}
-		}
-		
-		globfree(&g);
-	}
-	
-	return(result);
-}
-
-
-
-
 std::string LLDir_Linux::getCurPath()
 {
 	char tmp_str[LL_MAX_PATH];	/* Flawfinder: ignore */ 
diff --git a/indra/llvfs/lldir_linux.h b/indra/llvfs/lldir_linux.h
index 451e81ae93..ff4c48759a 100644
--- a/indra/llvfs/lldir_linux.h
+++ b/indra/llvfs/lldir_linux.h
@@ -43,7 +43,6 @@ public:
 public:	
 	virtual std::string getCurPath();
 	virtual U32 countFilesInDir(const std::string &dirname, const std::string &mask);
-	virtual BOOL getNextFileInDir(const std::string &dirname, const std::string &mask, std::string &fname);
 	/*virtual*/ BOOL fileExists(const std::string &filename) const;
 
 	/*virtual*/ std::string getLLPluginLauncher();
diff --git a/indra/llvfs/lldir_mac.cpp b/indra/llvfs/lldir_mac.cpp
index 445285aa43..2d039527c0 100644
--- a/indra/llvfs/lldir_mac.cpp
+++ b/indra/llvfs/lldir_mac.cpp
@@ -258,67 +258,6 @@ U32 LLDir_Mac::countFilesInDir(const std::string &dirname, const std::string &ma
 	return (file_count);
 }
 
-// get the next file in the directory
-BOOL LLDir_Mac::getNextFileInDir(const std::string &dirname, const std::string &mask, std::string &fname)
-{
-	glob_t g;
-	BOOL result = FALSE;
-	fname = "";
-	
-	if(!(dirname == mCurrentDir))
-	{
-		// different dir specified, close old search
-		mCurrentDirIndex = -1;
-		mCurrentDirCount = -1;
-		mCurrentDir = dirname;
-	}
-	
-	std::string tmp_str;
-	tmp_str = dirname;
-	tmp_str += mask;
-
-	if(glob(tmp_str.c_str(), GLOB_NOSORT, NULL, &g) == 0)
-	{
-		if(g.gl_pathc > 0)
-		{
-			if(g.gl_pathc != mCurrentDirCount)
-			{
-				// Number of matches has changed since the last search, meaning a file has been added or deleted.
-				// Reset the index.
-				mCurrentDirIndex = -1;
-				mCurrentDirCount = g.gl_pathc;
-			}
-	
-			mCurrentDirIndex++;
-	
-			if(mCurrentDirIndex < g.gl_pathc)
-			{
-//				llinfos << "getNextFileInDir: returning number " << mCurrentDirIndex << ", path is " << g.gl_pathv[mCurrentDirIndex] << llendl;
-
-				// The API wants just the filename, not the full path.
-				//fname = g.gl_pathv[mCurrentDirIndex];
-
-				char *s = strrchr(g.gl_pathv[mCurrentDirIndex], '/');
-				
-				if(s == NULL)
-					s = g.gl_pathv[mCurrentDirIndex];
-				else if(s[0] == '/')
-					s++;
-					
-				fname = s;
-				
-				result = TRUE;
-			}
-		}
-		
-		globfree(&g);
-	}
-	
-	return(result);
-}
-
-
-
 S32 LLDir_Mac::deleteFilesInDir(const std::string &dirname, const std::string &mask)
 {
 	glob_t g;
diff --git a/indra/llvfs/lldir_mac.h b/indra/llvfs/lldir_mac.h
index 4eac3c3ae6..e60d5e41c2 100644
--- a/indra/llvfs/lldir_mac.h
+++ b/indra/llvfs/lldir_mac.h
@@ -43,7 +43,6 @@ public:
 	virtual S32 deleteFilesInDir(const std::string &dirname, const std::string &mask);
 	virtual std::string getCurPath();
 	virtual U32 countFilesInDir(const std::string &dirname, const std::string &mask);
-	virtual BOOL getNextFileInDir(const std::string &dirname, const std::string &mask, std::string &fname);
 	virtual BOOL fileExists(const std::string &filename) const;
 
 	/*virtual*/ std::string getLLPluginLauncher();
diff --git a/indra/llvfs/lldir_solaris.cpp b/indra/llvfs/lldir_solaris.cpp
index 515fd66b6e..21f8c3acdb 100644
--- a/indra/llvfs/lldir_solaris.cpp
+++ b/indra/llvfs/lldir_solaris.cpp
@@ -260,68 +260,6 @@ U32 LLDir_Solaris::countFilesInDir(const std::string &dirname, const std::string
 	return (file_count);
 }
 
-// get the next file in the directory
-BOOL LLDir_Solaris::getNextFileInDir(const std::string &dirname, const std::string &mask, std::string &fname)
-{
-	glob_t g;
-	BOOL result = FALSE;
-	fname = "";
-	
-	if(!(dirname == mCurrentDir))
-	{
-		// different dir specified, close old search
-		mCurrentDirIndex = -1;
-		mCurrentDirCount = -1;
-		mCurrentDir = dirname;
-	}
-	
-	std::string tmp_str;
-	tmp_str = dirname;
-	tmp_str += mask;
-
-	if(glob(tmp_str.c_str(), GLOB_NOSORT, NULL, &g) == 0)
-	{
-		if(g.gl_pathc > 0)
-		{
-			if((int)g.gl_pathc != mCurrentDirCount)
-			{
-				// Number of matches has changed since the last search, meaning a file has been added or deleted.
-				// Reset the index.
-				mCurrentDirIndex = -1;
-				mCurrentDirCount = g.gl_pathc;
-			}
-	
-			mCurrentDirIndex++;
-	
-			if(mCurrentDirIndex < (int)g.gl_pathc)
-			{
-//				llinfos << "getNextFileInDir: returning number " << mCurrentDirIndex << ", path is " << g.gl_pathv[mCurrentDirIndex] << llendl;
-
-				// The API wants just the filename, not the full path.
-				//fname = g.gl_pathv[mCurrentDirIndex];
-
-				char *s = strrchr(g.gl_pathv[mCurrentDirIndex], '/');
-				
-				if(s == NULL)
-					s = g.gl_pathv[mCurrentDirIndex];
-				else if(s[0] == '/')
-					s++;
-					
-				fname = s;
-				
-				result = TRUE;
-			}
-		}
-		
-		globfree(&g);
-	}
-	
-	return(result);
-}
-
-
-
-
 std::string LLDir_Solaris::getCurPath()
 {
 	char tmp_str[LL_MAX_PATH];	/* Flawfinder: ignore */ 
diff --git a/indra/llvfs/lldir_solaris.h b/indra/llvfs/lldir_solaris.h
index 4a1794f539..f7e1a6301d 100644
--- a/indra/llvfs/lldir_solaris.h
+++ b/indra/llvfs/lldir_solaris.h
@@ -43,7 +43,6 @@ public:
 public:	
 	virtual std::string getCurPath();
 	virtual U32 countFilesInDir(const std::string &dirname, const std::string &mask);
-	virtual BOOL getNextFileInDir(const std::string &dirname, const std::string &mask, std::string &fname);
 	/*virtual*/ BOOL fileExists(const std::string &filename) const;
 
 private:
diff --git a/indra/llvfs/lldir_win32.cpp b/indra/llvfs/lldir_win32.cpp
index 33718e520d..2f96fbbbc1 100644
--- a/indra/llvfs/lldir_win32.cpp
+++ b/indra/llvfs/lldir_win32.cpp
@@ -236,67 +236,6 @@ U32 LLDir_Win32::countFilesInDir(const std::string &dirname, const std::string &
 	return (file_count);
 }
 
-
-// get the next file in the directory
-BOOL LLDir_Win32::getNextFileInDir(const std::string &dirname, const std::string &mask, std::string &fname)
-{
-    BOOL fileFound = FALSE;
-	fname = "";
-
-	WIN32_FIND_DATAW FileData;
-    llutf16string pathname = utf8str_to_utf16str(dirname) + utf8str_to_utf16str(mask);
-
-	if (pathname != mCurrentDir)
-	{
-		// different dir specified, close old search
-		if (mCurrentDir[0])
-		{
-			FindClose(mDirSearch_h);
-		}
-		mCurrentDir = pathname;
-
-		// and open new one
-		// Check error opening Directory structure
-		if ((mDirSearch_h = FindFirstFile(pathname.c_str(), &FileData)) != INVALID_HANDLE_VALUE)   
-		{
-           fileFound = TRUE;
-		}
-	}
-
-    // Loop to skip over the current (.) and parent (..) directory entries
-    // (apparently returned in Win7 but not XP)
-    do
-    {
-       if (   fileFound
-           && (  (lstrcmp(FileData.cFileName, (LPCTSTR)TEXT(".")) == 0)
-               ||(lstrcmp(FileData.cFileName, (LPCTSTR)TEXT("..")) == 0)
-               )
-           )
-       {
-          fileFound = FALSE;
-       }
-    } while (   mDirSearch_h != INVALID_HANDLE_VALUE
-             && !fileFound
-             && (fileFound = FindNextFile(mDirSearch_h, &FileData)
-                 )
-             );
-
-    if (!fileFound && GetLastError() == ERROR_NO_MORE_FILES)
-    {
-       // No more files, so reset to beginning of directory
-       FindClose(mDirSearch_h);
-       mCurrentDir[0] = '\000';
-    }
-
-    if (fileFound)
-    {
-        // convert from TCHAR to char
-        fname = utf16str_to_utf8str(FileData.cFileName);
-	}
-    
-	return fileFound;
-}
-
 std::string LLDir_Win32::getCurPath()
 {
 	WCHAR w_str[MAX_PATH];
diff --git a/indra/llvfs/lldir_win32.h b/indra/llvfs/lldir_win32.h
index 4c932c932c..19c610eb8b 100644
--- a/indra/llvfs/lldir_win32.h
+++ b/indra/llvfs/lldir_win32.h
@@ -40,15 +40,12 @@ public:
 
 	/*virtual*/ std::string getCurPath();
 	/*virtual*/ U32 countFilesInDir(const std::string &dirname, const std::string &mask);
-	/*virtual*/ BOOL getNextFileInDir(const std::string &dirname, const std::string &mask, std::string &fname);
 	/*virtual*/ BOOL fileExists(const std::string &filename) const;
 
 	/*virtual*/ std::string getLLPluginLauncher();
 	/*virtual*/ std::string getLLPluginFilename(std::string base_name);
 
 private:
-	BOOL LLDir_Win32::getNextFileInDir(const llutf16string &dirname, const std::string &mask, std::string &fname);
-	
 	void* mDirSearch_h;
 	llutf16string mCurrentDir;
 };
diff --git a/indra/llvfs/lldiriterator.cpp b/indra/llvfs/lldiriterator.cpp
new file mode 100644
index 0000000000..5536ed8f69
--- /dev/null
+++ b/indra/llvfs/lldiriterator.cpp
@@ -0,0 +1,203 @@
+/**
+ * @file lldiriterator.cpp
+ * @brief Iterator through directory entries matching the search pattern.
+ *
+ * $LicenseInfo:firstyear=2010&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#include "lldiriterator.h"
+
+#include <boost/filesystem.hpp>
+#include <boost/regex.hpp>
+
+namespace fs = boost::filesystem;
+
+static std::string glob_to_regex(const std::string& glob);
+
+class LLDirIterator::Impl
+{
+public:
+	Impl(const std::string &dirname, const std::string &mask);
+	~Impl();
+
+	bool next(std::string &fname);
+
+private:
+	boost::regex			mFilterExp;
+	fs::directory_iterator	mIter;
+	bool					mIsValid;
+};
+
+LLDirIterator::Impl::Impl(const std::string &dirname, const std::string &mask)
+	: mIsValid(false)
+{
+	fs::path dir_path(dirname);
+
+	// Check if path exists.
+	if (!fs::exists(dir_path))
+	{
+		llerrs << "Invalid path: \"" << dir_path.string() << "\"" << llendl;
+		return;
+	}
+
+	// Initialize the directory iterator for the given path.
+	try
+	{
+		mIter = fs::directory_iterator(dir_path);
+	}
+	catch (fs::basic_filesystem_error<fs::path>& e)
+	{
+		llerrs << e.what() << llendl;
+		return;
+	}
+
+	// Convert the glob mask to a regular expression
+	std::string exp = glob_to_regex(mask);
+
+	// Initialize boost::regex with the expression converted from
+	// the glob mask.
+	// An exception is thrown if the expression is not valid.
+	try
+	{
+		mFilterExp.assign(exp);
+	}
+	catch (boost::regex_error& e)
+	{
+		llerrs << "\"" << exp << "\" is not a valid regular expression: "
+				<< e.what() << llendl;
+		return;
+	}
+
+	mIsValid = true;
+}
+
+LLDirIterator::Impl::~Impl()
+{
+}
+
+bool LLDirIterator::Impl::next(std::string &fname)
+{
+	fname = "";
+
+	if (!mIsValid)
+	{
+		llerrs << "The iterator is not correctly initialized." << llendl;
+		return false;
+	}
+
+	fs::directory_iterator end_itr; // default construction yields past-the-end
+	bool found = false;
+	while (mIter != end_itr && !found)
+	{
+		boost::smatch match;
+		std::string name = mIter->path().filename();
+		if (found = boost::regex_match(name, match, mFilterExp))
+		{
+			fname = name;
+		}
+
+		++mIter;
+	}
+
+	return found;
+}
+
+std::string glob_to_regex(const std::string& glob)
+{
+	std::string regex;
+	regex.reserve(glob.size()<<1);
+	S32 braces = 0;
+	bool escaped = false;
+	bool square_brace_open = false;
+
+	for (std::string::const_iterator i = glob.begin(); i != glob.end(); ++i)
+	{
+		char c = *i;
+
+		switch (c)
+		{
+			case '.':
+				regex+="\\.";
+				break;
+			case '*':
+				if (glob.begin() == i)
+				{
+					regex+="[^.].*";
+				}
+				else
+				{
+					regex+= escaped ? "*" : ".*";
+				}
+				break;
+			case '?':
+				regex+= escaped ? '?' : '.';
+				break;
+			case '{':
+				braces++;
+				regex+='(';
+				break;
+			case '}':
+				if (!braces)
+				{
+					llerrs << "glob_to_regex: Closing brace without an equivalent opening brace: " << glob << llendl;
+				}
+
+				regex+=')';
+				braces--;
+				break;
+			case ',':
+				regex+= braces ? '|' : c;
+				break;
+			case '!':
+				regex+= square_brace_open ? '^' : c;
+				break;
+			default:
+				regex+=c;
+				break;
+		}
+
+		escaped = ('\\' == c);
+		square_brace_open = ('[' == c);
+	}
+
+	if (braces)
+	{
+		llerrs << "glob_to_regex: Unterminated brace expression: " << glob << llendl;
+	}
+
+	return regex;
+}
+
+LLDirIterator::LLDirIterator(const std::string &dirname, const std::string &mask)
+{
+	mImpl = new Impl(dirname, mask);
+}
+
+LLDirIterator::~LLDirIterator()
+{
+	delete mImpl;
+}
+
+bool LLDirIterator::next(std::string &fname)
+{
+	return mImpl->next(fname);
+}
diff --git a/indra/llvfs/lldiriterator.h b/indra/llvfs/lldiriterator.h
new file mode 100644
index 0000000000..0b48be41b3
--- /dev/null
+++ b/indra/llvfs/lldiriterator.h
@@ -0,0 +1,87 @@
+/**
+ * @file lldiriterator.h
+ * @brief Iterator through directory entries matching the search pattern.
+ *
+ * $LicenseInfo:firstyear=2010&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLDIRITERATOR_H
+#define LL_LLDIRITERATOR_H
+
+#include "linden_common.h"
+
+/**
+ * Class LLDirIterator
+ *
+ * Iterates through directory entries matching the search pattern.
+ */
+class LLDirIterator
+{
+public:
+	/**
+	 * Constructs LLDirIterator object to search for glob pattern
+	 * matches in a directory.
+	 *
+	 * @param dirname - name of a directory to search in.
+	 * @param mask - search pattern, a glob expression
+	 *
+	 * Wildcards supported in glob expressions:
+	 * --------------------------------------------------------------
+	 * | Wildcard 	| Matches										|
+	 * --------------------------------------------------------------
+	 * | 	* 		|zero or more characters						|
+	 * | 	?		|exactly one character							|
+	 * | [abcde]	|exactly one character listed					|
+	 * | [a-e]		|exactly one character in the given range		|
+	 * | [!abcde]	|any character that is not listed				|
+	 * | [!a-e]		|any character that is not in the given range	|
+	 * | {abc,xyz}	|exactly one entire word in the options given	|
+	 * --------------------------------------------------------------
+	 */
+	LLDirIterator(const std::string &dirname, const std::string &mask);
+
+	~LLDirIterator();
+
+	/**
+	 * Searches for the next directory entry matching the glob mask
+	 * specified upon iterator construction.
+	 * Returns true if a match is found, sets fname
+	 * parameter to the name of the matched directory entry and
+	 * increments the iterator position.
+	 *
+	 * Typical usage:
+	 * <code>
+	 * LLDirIterator iter(directory, pattern);
+	 * if ( iter.next(scanResult) )
+	 * </code>
+	 *
+	 * @param fname - name of the matched directory entry.
+	 * @return true if a match is found, false otherwise.
+	 */
+	bool next(std::string &fname);
+
+protected:
+	class Impl;
+	Impl* mImpl;
+};
+
+#endif //LL_LLDIRITERATOR_H
diff --git a/indra/llvfs/tests/lldir_test.cpp b/indra/llvfs/tests/lldir_test.cpp
index 8788bd63e8..ea321c5ae9 100644
--- a/indra/llvfs/tests/lldir_test.cpp
+++ b/indra/llvfs/tests/lldir_test.cpp
@@ -28,6 +28,7 @@
 #include "linden_common.h"
 
 #include "../lldir.h"
+#include "../lldiriterator.h"
 
 #include "../test/lltut.h"
 
@@ -259,13 +260,12 @@ namespace tut
 
    std::string makeTestFile( const std::string& dir, const std::string& file )
    {
-      std::string delim = gDirUtilp->getDirDelimiter();
-      std::string path = dir + delim + file;
+      std::string path = dir + file;
       LLFILE* handle = LLFile::fopen( path, "w" );
       ensure("failed to open test file '"+path+"'", handle != NULL );
       // Harbison & Steele, 4th ed., p. 366: "If an error occurs, fputs
       // returns EOF; otherwise, it returns some other, nonnegative value."
-      ensure("failed to write to test file '"+path+"'", fputs("test file", handle) >= 0);
+      ensure("failed to write to test file '"+path+"'", EOF != fputs("test file", handle) );
       fclose(handle);
       return path;
    }
@@ -290,7 +290,7 @@ namespace tut
    }
 
    static const char* DirScanFilename[5] = { "file1.abc", "file2.abc", "file1.xyz", "file2.xyz", "file1.mno" };
-   
+
    void scanTest(const std::string& directory, const std::string& pattern, bool correctResult[5])
    {
 
@@ -300,7 +300,8 @@ namespace tut
       bool  filesFound[5] = { false, false, false, false, false };
       //std::cerr << "searching '"+directory+"' for '"+pattern+"'\n";
 
-      while ( found <= 5 && gDirUtilp->getNextFileInDir(directory, pattern, scanResult) )
+      LLDirIterator iter(directory, pattern);
+      while ( found <= 5 && iter.next(scanResult) )
       {
          found++;
          //std::cerr << "  found '"+scanResult+"'\n";
@@ -334,15 +335,15 @@ namespace tut
    
    template<> template<>
    void LLDirTest_object_t::test<5>()
-      // getNextFileInDir
+      // LLDirIterator::next
    {
       std::string delim = gDirUtilp->getDirDelimiter();
       std::string dirTemp = LLFile::tmpdir();
 
       // Create the same 5 file names of the two directories
 
-      std::string dir1 = makeTestDir(dirTemp + "getNextFileInDir");
-      std::string dir2 = makeTestDir(dirTemp + "getNextFileInDir");
+      std::string dir1 = makeTestDir(dirTemp + "LLDirIterator");
+      std::string dir2 = makeTestDir(dirTemp + "LLDirIterator");
       std::string dir1files[5];
       std::string dir2files[5];
       for (int i=0; i<5; i++)
@@ -380,19 +381,17 @@ namespace tut
       scanTest(dir2, "file?.x?z", expected7);
 
       // Scan dir2 and see if any file?.??c files are found
-      // THESE FAIL ON Mac and Windows, SO ARE COMMENTED OUT FOR NOW
-      //      bool  expected8[5] = { true, true, false, false, false };
-      //      scanTest(dir2, "file?.??c", expected8);
-      //      scanTest(dir2, "*.??c", expected8);
+      bool  expected8[5] = { true, true, false, false, false };
+      scanTest(dir2, "file?.??c", expected8);
+      scanTest(dir2, "*.??c", expected8);
 
       // Scan dir1 and see if any *.?n? files are found
       bool  expected9[5] = { false, false, false, false, true };
       scanTest(dir1, "*.?n?", expected9);
 
       // Scan dir1 and see if any *.???? files are found
-      // THIS ONE FAILS ON WINDOWS (returns three charater suffixes) SO IS COMMENTED OUT FOR NOW
-      // bool  expected10[5] = { false, false, false, false, false };
-      // scanTest(dir1, "*.????", expected10);
+      bool  expected10[5] = { false, false, false, false, false };
+      scanTest(dir1, "*.????", expected10);
 
       // Scan dir1 and see if any ?????.* files are found
       bool  expected11[5] = { true, true, true, true, true };
@@ -402,6 +401,15 @@ namespace tut
       bool  expected12[5] = { false, false, true, true, false };
       scanTest(dir1, "??l??.xyz", expected12);
 
+      bool expected13[5] = { true, false, true, false, false };
+      scanTest(dir1, "file1.{abc,xyz}", expected13);
+
+      bool expected14[5] = { true, true, false, false, false };
+      scanTest(dir1, "file[0-9].abc", expected14);
+
+      bool expected15[5] = { true, true, false, false, false };
+      scanTest(dir1, "file[!a-z].abc", expected15);
+
       // clean up all test files and directories
       for (int i=0; i<5; i++)
       {
diff --git a/indra/newview/llappviewer.cpp b/indra/newview/llappviewer.cpp
index 729f83a2b1..f0711db3bd 100644
--- a/indra/newview/llappviewer.cpp
+++ b/indra/newview/llappviewer.cpp
@@ -89,6 +89,7 @@
 
 // Linden library includes
 #include "llavatarnamecache.h"
+#include "lldiriterator.h"
 #include "llimagej2c.h"
 #include "llmemory.h"
 #include "llprimitive.h"
@@ -3291,7 +3292,9 @@ void LLAppViewer::migrateCacheDirectory()
 			S32 file_count = 0;
 			std::string file_name;
 			std::string mask = delimiter + "*.*";
-			while (gDirUtilp->getNextFileInDir(old_cache_dir, mask, file_name))
+
+			LLDirIterator iter(old_cache_dir, mask);
+			while (iter.next(file_name))
 			{
 				if (file_name == "." || file_name == "..") continue;
 				std::string source_path = old_cache_dir + delimiter + file_name;
@@ -3510,7 +3513,8 @@ bool LLAppViewer::initCache()
 		dir = gDirUtilp->getExpandedFilename(LL_PATH_CACHE,"");
 
 		std::string found_file;
-		if (gDirUtilp->getNextFileInDir(dir, mask, found_file))
+		LLDirIterator iter(dir, mask);
+		if (iter.next(found_file))
 		{
 			old_vfs_data_file = dir + gDirUtilp->getDirDelimiter() + found_file;
 
diff --git a/indra/newview/llappviewerlinux.cpp b/indra/newview/llappviewerlinux.cpp
index 898cc1c0ba..fc7a27e5e0 100644
--- a/indra/newview/llappviewerlinux.cpp
+++ b/indra/newview/llappviewerlinux.cpp
@@ -30,6 +30,7 @@
 
 #include "llcommandlineparser.h"
 
+#include "lldiriterator.h"
 #include "llmemtype.h"
 #include "llurldispatcher.h"		// SLURL from other app instance
 #include "llviewernetwork.h"
@@ -504,7 +505,9 @@ std::string LLAppViewerLinux::generateSerialNumber()
 
 	// trawl /dev/disk/by-uuid looking for a good-looking UUID to grab
 	std::string this_name;
-	while (gDirUtilp->getNextFileInDir(uuiddir, "*", this_name))
+
+	LLDirIterator iter(uuiddir, "*");
+	while (iter.next(this_name))
 	{
 		if (this_name.length() > best.length() ||
 		    (this_name.length() == best.length() &&
diff --git a/indra/newview/llfloateruipreview.cpp b/indra/newview/llfloateruipreview.cpp
index 11b3379814..182d3d23f1 100644
--- a/indra/newview/llfloateruipreview.cpp
+++ b/indra/newview/llfloateruipreview.cpp
@@ -35,6 +35,7 @@
 #include "llfloateruipreview.h"			// Own header
 
 // Internal utility
+#include "lldiriterator.h"
 #include "lleventtimer.h"
 #include "llexternaleditor.h"
 #include "llrender.h"
@@ -481,9 +482,11 @@ BOOL LLFloaterUIPreview::postBuild()
 	std::string language_directory;
 	std::string xui_dir = get_xui_dir();	// directory containing localizations -- don't forget trailing delim
 	mLanguageSelection->removeall();																				// clear out anything temporarily in list from XML
+
+	LLDirIterator iter(xui_dir, "*");
 	while(found)																									// for every directory
 	{
-		if((found = gDirUtilp->getNextFileInDir(xui_dir, "*", language_directory)))							// get next directory
+		if((found = iter.next(language_directory)))							// get next directory
 		{
 			std::string full_path = xui_dir + language_directory;
 			if(LLFile::isfile(full_path.c_str()))																	// if it's not a directory, skip it
@@ -635,42 +638,51 @@ void LLFloaterUIPreview::refreshList()
 	mFileList->clearRows();		// empty list
 	std::string name;
 	BOOL found = TRUE;
+
+	LLDirIterator floater_iter(getLocalizedDirectory(), "floater_*.xml");
 	while(found)				// for every floater file that matches the pattern
 	{
-		if((found = gDirUtilp->getNextFileInDir(getLocalizedDirectory(), "floater_*.xml", name)))	// get next file matching pattern
+		if((found = floater_iter.next(name)))	// get next file matching pattern
 		{
 			addFloaterEntry(name.c_str());	// and add it to the list (file name only; localization code takes care of rest of path)
 		}
 	}
 	found = TRUE;
+
+	LLDirIterator inspect_iter(getLocalizedDirectory(), "inspect_*.xml");
 	while(found)				// for every inspector file that matches the pattern
 	{
-		if((found = gDirUtilp->getNextFileInDir(getLocalizedDirectory(), "inspect_*.xml", name)))	// get next file matching pattern
+		if((found = inspect_iter.next(name)))	// get next file matching pattern
 		{
 			addFloaterEntry(name.c_str());	// and add it to the list (file name only; localization code takes care of rest of path)
 		}
 	}
 	found = TRUE;
+
+	LLDirIterator menu_iter(getLocalizedDirectory(), "menu_*.xml");
 	while(found)				// for every menu file that matches the pattern
 	{
-		if((found = gDirUtilp->getNextFileInDir(getLocalizedDirectory(), "menu_*.xml", name)))	// get next file matching pattern
+		if((found = menu_iter.next(name)))	// get next file matching pattern
 		{
 			addFloaterEntry(name.c_str());	// and add it to the list (file name only; localization code takes care of rest of path)
 		}
 	}
 	found = TRUE;
+
+	LLDirIterator panel_iter(getLocalizedDirectory(), "panel_*.xml");
 	while(found)				// for every panel file that matches the pattern
 	{
-		if((found = gDirUtilp->getNextFileInDir(getLocalizedDirectory(), "panel_*.xml", name)))	// get next file matching pattern
+		if((found = panel_iter.next(name)))	// get next file matching pattern
 		{
 			addFloaterEntry(name.c_str());	// and add it to the list (file name only; localization code takes care of rest of path)
 		}
 	}
-
 	found = TRUE;
+
+	LLDirIterator sidepanel_iter(getLocalizedDirectory(), "sidepanel_*.xml");
 	while(found)				// for every sidepanel file that matches the pattern
 	{
-		if((found = gDirUtilp->getNextFileInDir(getLocalizedDirectory(), "sidepanel_*.xml", name)))	// get next file matching pattern
+		if((found = sidepanel_iter.next(name)))	// get next file matching pattern
 		{
 			addFloaterEntry(name.c_str());	// and add it to the list (file name only; localization code takes care of rest of path)
 		}
diff --git a/indra/newview/lllogchat.cpp b/indra/newview/lllogchat.cpp
index 9adf374c71..b09cfbe907 100644
--- a/indra/newview/lllogchat.cpp
+++ b/indra/newview/lllogchat.cpp
@@ -32,6 +32,7 @@
 #include "lltrans.h"
 #include "llviewercontrol.h"
 
+#include "lldiriterator.h"
 #include "llinstantmessage.h"
 #include "llsingleton.h" // for LLSingleton
 
@@ -601,7 +602,8 @@ std::string LLLogChat::oldLogFileName(std::string filename)
 	//LL_INFOS("") << "Checking:" << directory << " for " << pattern << LL_ENDL;/* uncomment if you want to verify step, delete on commit */
 	std::vector<std::string> allfiles;
 
-    while (gDirUtilp->getNextFileInDir(directory, pattern, scanResult))
+	LLDirIterator iter(directory, pattern);
+	while (iter.next(scanResult))
     {
 		//LL_INFOS("") << "Found   :" << scanResult << LL_ENDL;
         allfiles.push_back(scanResult);
diff --git a/indra/newview/llviewermedia.cpp b/indra/newview/llviewermedia.cpp
index d3b6dcd86f..8a0d0a6623 100644
--- a/indra/newview/llviewermedia.cpp
+++ b/indra/newview/llviewermedia.cpp
@@ -54,6 +54,7 @@
 #include "llfilepicker.h"
 #include "llnotifications.h"
 
+#include "lldiriterator.h"
 #include "llevent.h"		// LLSimpleListener
 #include "llnotificationsutil.h"
 #include "lluuid.h"
@@ -1115,7 +1116,8 @@ void LLViewerMedia::clearAllCookies()
 	}
 	
 	// the hard part: iterate over all user directories and delete the cookie file from each one
-	while(gDirUtilp->getNextFileInDir(base_dir, "*_*", filename))
+	LLDirIterator dir_iter(base_dir, "*_*");
+	while (dir_iter.next(filename))
 	{
 		target = base_dir;
 		target += filename;
diff --git a/indra/newview/llwaterparammanager.cpp b/indra/newview/llwaterparammanager.cpp
index d239347810..4f6ec4ca61 100644
--- a/indra/newview/llwaterparammanager.cpp
+++ b/indra/newview/llwaterparammanager.cpp
@@ -33,6 +33,7 @@
 #include "pipeline.h"
 #include "llsky.h"
 
+#include "lldiriterator.h"
 #include "llfloaterreg.h"
 #include "llsliderctrl.h"
 #include "llspinctrl.h"
@@ -85,11 +86,12 @@ void LLWaterParamManager::loadAllPresets(const std::string& file_name)
 	std::string path_name(gDirUtilp->getExpandedFilename(LL_PATH_APP_SETTINGS, "windlight/water", ""));
 	LL_DEBUGS2("AppInit", "Shaders") << "Loading Default water settings from " << path_name << LL_ENDL;
 			
-	bool found = true;			
+	bool found = true;
+	LLDirIterator app_settings_iter(path_name, "*.xml");
 	while(found) 
 	{
 		std::string name;
-		found = gDirUtilp->getNextFileInDir(path_name, "*.xml", name);
+		found = app_settings_iter.next(name);
 		if(found)
 		{
 
@@ -111,11 +113,12 @@ void LLWaterParamManager::loadAllPresets(const std::string& file_name)
 	std::string path_name2(gDirUtilp->getExpandedFilename( LL_PATH_USER_SETTINGS , "windlight/water", ""));
 	LL_DEBUGS2("AppInit", "Shaders") << "Loading User water settings from " << path_name2 << LL_ENDL;
 			
-	found = true;			
+	found = true;
+	LLDirIterator user_settings_iter(path_name2, "*.xml");
 	while(found) 
 	{
 		std::string name;
-		found = gDirUtilp->getNextFileInDir(path_name2, "*.xml", name);
+		found = user_settings_iter.next(name);
 		if(found)
 		{
 			name=name.erase(name.length()-4);
diff --git a/indra/newview/llwlparammanager.cpp b/indra/newview/llwlparammanager.cpp
index e5f52dfc97..848efcbb49 100644
--- a/indra/newview/llwlparammanager.cpp
+++ b/indra/newview/llwlparammanager.cpp
@@ -31,6 +31,7 @@
 #include "pipeline.h"
 #include "llsky.h"
 
+#include "lldiriterator.h"
 #include "llfloaterreg.h"
 #include "llsliderctrl.h"
 #include "llspinctrl.h"
@@ -100,11 +101,12 @@ void LLWLParamManager::loadPresets(const std::string& file_name)
 	std::string path_name(gDirUtilp->getExpandedFilename(LL_PATH_APP_SETTINGS, "windlight/skies", ""));
 	LL_DEBUGS2("AppInit", "Shaders") << "Loading Default WindLight settings from " << path_name << LL_ENDL;
 			
-	bool found = true;			
+	bool found = true;
+	LLDirIterator app_settings_iter(path_name, "*.xml");
 	while(found) 
 	{
 		std::string name;
-		found = gDirUtilp->getNextFileInDir(path_name, "*.xml", name);
+		found = app_settings_iter.next(name);
 		if(found)
 		{
 
@@ -126,11 +128,12 @@ void LLWLParamManager::loadPresets(const std::string& file_name)
 	std::string path_name2(gDirUtilp->getExpandedFilename( LL_PATH_USER_SETTINGS , "windlight/skies", ""));
 	LL_DEBUGS2("AppInit", "Shaders") << "Loading User WindLight settings from " << path_name2 << LL_ENDL;
 			
-	found = true;			
+	found = true;
+	LLDirIterator user_settings_iter(path_name2, "*.xml");
 	while(found) 
 	{
 		std::string name;
-		found = gDirUtilp->getNextFileInDir(path_name2, "*.xml", name);
+		found = user_settings_iter.next(name);
 		if(found)
 		{
 			name=name.erase(name.length()-4);
diff --git a/indra/viewer_components/updater/tests/llupdaterservice_test.cpp b/indra/viewer_components/updater/tests/llupdaterservice_test.cpp
index 88ab5a2284..e19d5724f1 100644
--- a/indra/viewer_components/updater/tests/llupdaterservice_test.cpp
+++ b/indra/viewer_components/updater/tests/llupdaterservice_test.cpp
@@ -59,12 +59,6 @@ class LLDir_Mock : public LLDir
 		return 0;
 	}
 
-	BOOL getNextFileInDir(const std::string &dirname, 
-						  const std::string &mask, 
-						  std::string &fname) 
-	{
-		return false;
-	}
 	void getRandomFileInDir(const std::string &dirname, 
 							const std::string &mask, 
 							std::string &fname) {}