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diff --git a/source/rice_gles/src/osal_files_unix.c b/source/rice_gles/src/osal_files_unix.c
new file mode 100644
index 0000000..c586f97
--- /dev/null
+++ b/source/rice_gles/src/osal_files_unix.c
@@ -0,0 +1,116 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ *   Mupen64plus-core - osal_files_unix.c                                  *
+ *   Mupen64Plus homepage: http://code.google.com/p/mupen64plus/           *
+ *   Copyright (C) 2009 Richard Goedeken                                   *
+ *                                                                         *
+ *   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.          *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+                       
+/* This file contains the definitions for the unix-specific file handling
+ * functions
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <dirent.h>
+
+#include "osal_files.h"
+
+/* global functions */
+
+int osal_is_directory(const char* name)
+{
+    DIR* dir;
+    dir = opendir(name);
+    if(dir != NULL)
+    {
+        closedir(dir);
+        return 1;
+    }
+    return 0;
+}
+
+int osal_mkdirp(const char *dirpath, int mode)
+{
+    struct stat fileinfo;
+    int dirpathlen = strlen(dirpath);
+    char *currpath = strdup(dirpath);
+
+    /* first, break the path into pieces by replacing all of the slashes wil NULL chars */
+    while (strlen(currpath) > 1)
+    {
+        char *lastslash = strrchr(currpath, '/');
+        if (lastslash == NULL)
+            break;
+        *lastslash = 0;
+    }
+    
+    /* then re-assemble the path from left to right until we get to a directory that doesn't exist */
+    while (strlen(currpath) < dirpathlen)
+    {
+        if (strlen(currpath) > 0 && stat(currpath, &fileinfo) != 0)
+            break;
+        currpath[strlen(currpath)] = '/';
+    }
+
+    /* then walk up the path chain, creating directories along the way */
+    do
+    {
+        if (stat(currpath, &fileinfo) != 0)
+        {
+            if (mkdir(currpath, mode) != 0)
+            {
+                free(currpath);
+                return 1;        /* mkdir failed */
+            }
+        }
+        if (strlen(currpath) == dirpathlen)
+            break;
+        else
+            currpath[strlen(currpath)] = '/';
+    } while (1);
+    
+    free(currpath);        
+    return 0;
+}
+
+void * osal_search_dir_open(const char *pathname)
+{
+    DIR *dir;
+    dir = opendir(pathname);
+    return dir;
+}
+
+const char *osal_search_dir_read_next(void * dir_handle)
+{
+    DIR *dir = (DIR *) dir_handle;
+    struct dirent *entry;
+
+    entry = readdir(dir);
+    if (entry == NULL)
+        return NULL;
+    return entry->d_name;
+}
+
+void osal_search_dir_close(void * dir_handle)
+{
+    closedir((DIR *) dir_handle);
+}
+