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diff --git a/fltk/fltk/filename.h b/fltk/fltk/filename.h
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+// "$Id: filename.h 6483 2008-10-22 07:01:02Z spitzak $"
+
+/* Copyright 1998-2006 by Bill Spitzak and others.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Please report all bugs and problems to "fltk-bugs@fltk.org".
+ *
+ * These functions are not in the fltk namespace because they really
+ * should not be part of fltk. They are used by the file chooser.
+ * THESE FUNCTIONS MAY BE CHANGED OR DELETED IN FUTURE VERSIONS. DO
+ * NOT USE THEM, AS THEY ARE NOT AN OFFICIAL PART OF fltk!
+ */
+
+#ifndef fltk_filename_h
+#define fltk_filename_h
+
+#include "FL_API.h"
+
+////////////////////////////////////////////////////////////////
+#ifndef DOXYGEN
+// dirent (what a pain)...
+
+// FC: UNDER WIN32/VC6 long long is undefined, so use __int64 instead
+//  for cross platform type compatibility though in fact VC6 uses 
+//  a 32 bit long to calculate size in the stat struct so don't expect
+//  to handle >4GB files here...
+#if defined(_WIN32) && !defined(__CYGWIN__) && !defined(__MINGW32__) && (_MSC_VER==1200)
+typedef unsigned __int64 FL_FILESIZE_T;
+#else
+typedef unsigned long long FL_FILESIZE_T;
+#endif
+
+#if defined(__WATCOMC__)
+
+# include <sys/types.h>
+# include "direct.h"
+
+#elif defined(_WIN32) && !defined(__CYGWIN__) && !defined(__MINGW32__)
+// Dummy version used on win32 that just holds a name:
+
+struct dirent {char d_name[1];};
+
+#elif defined(__linux)
+// Newest Linux libc is broken when it emulates the 32-bit dirent, it
+// generates errors when the data like the inode number does not fit, even
+// though we are not going to look at anything other than the name. This
+// code seems to force the 64-bit version to be used:
+
+# ifndef _GNU_SOURCE
+#  define _GNU_SOURCE
+# endif
+# include <features.h>
+# include <sys/types.h>
+# include <dirent.h>
+# if defined(__GLIBC_PREREQ)
+#  if __GLIBC_PREREQ(2,3)
+#   define dirent dirent64
+#   define scandir scandir64
+#  endif
+# endif
+
+#else
+// warning: on some systems (very few nowadays?) <dirent.h> may not exist.
+// The correct information is in one of these three files:
+//  #include <sys/ndir.h>
+//  #include <sys/dir.h>
+//  #include <ndir.h>
+// plus you must do the following #define:
+//  #define dirent direct
+// I recommend you create a /usr/include/dirent.h containing the correct info
+
+# include <sys/types.h>
+# include <dirent.h>
+
+#endif
+
+#ifndef PATH_MAX
+# ifdef _MAX_PATH
+#  define PATH_MAX _MAX_PATH
+# else
+#  define PATH_MAX 1024
+# endif
+#endif
+
+#endif
+////////////////////////////////////////////////////////////////
+
+namespace fltk {
+
+/// \name fltk/filename.h
+/// Some functions to manipulate filenames, to make portable programs.
+//@{
+
+FL_API int filename_absolute(char *to, int tolen, const char *from, const char* cwd=0);
+FL_API int filename_relative(char *to, int tolen, const char *from, const char* cwd=0);
+FL_API const char *filename_name(const char *);
+inline char* filename_name(char* a) {return (char*)(filename_name((const char*)a));}
+FL_API const char *filename_ext(const char *);
+inline char* filename_ext(char* a) {return (char*)(filename_ext((const char*)a));}
+FL_API bool filename_match(const char *, const char *pattern); // glob match
+FL_API bool filename_exist(const char*);
+FL_API bool filename_isdir(const char*);
+FL_API FL_FILESIZE_T filename_size(const char *); // return size of file
+FL_API long int filename_mtime(const char *); // return modification time
+
+typedef int (File_Sort_F)(const dirent*const*, const dirent*const*);
+FL_API int alphasort(const dirent*const*, const dirent*const*);
+FL_API int casealphasort(const dirent*const*, const dirent*const*);
+FL_API int casenumericsort(const dirent*const*, const dirent*const*);
+FL_API int numericsort(const dirent*const*, const dirent*const*);
+FL_API int filename_list(const char *d, dirent ***list, File_Sort_F *sort);
+FL_API int filename_list(const char *d, dirent ***list); // uses numericsort
+
+//@}
+
+}
+
+#endif
+
+// End of "$Id: filename.h 6483 2008-10-22 07:01:02Z spitzak $".