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+//
+// Copyright 1998-2008 by Bill Spitzak and others.
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Library General Public
+// License as published by the Free Software Foundation; either
+// version 2 of the License, or (at your option) any later version
+// with exceptions that allow sub-classing and static linking in
+// non-LGPL compliant software. These exceptions are subject to
+// conditions, see the FLTK License for more details.
+//
+// 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 FLTK
+// License for more details.
+//
+// You should have received a copy of the FLTK License along with
+// this library; if not, write to OksiD Software, Jean-Marc Lienher,
+// Rue de la Cheminee 1, CH-2065 Savagnier, Switzerland.
+//
+// Please report all bugs and problems to "oksid@bluewin.ch".
+//
+
+// Merged in some functionality from the fltk-2 version. IMM.
+// The following code is an attempt to merge the functions incorporated in FLTK2
+// with the functions provided in OksiD's fltk-1.1.6-utf8 port
+
+/*** NOTE : all functions are LIMITED to 24 bits Unicode values !!! ***/
+
+#ifndef _HAVE_FL_UTF8_HDR_
+# define _HAVE_FL_UTF8_HDR_
+# include <stdio.h>
+# include <string.h>
+# include <stdlib.h>
+
+# ifndef FL_EXPORT
+# if defined(FL_DLL) && defined(_MSC_VER)
+# ifdef FL_LIBRARY
+# define FL_EXPORT __declspec(dllexport)
+# else
+# define FL_EXPORT __declspec(dllimport)
+# endif /* FL_LIBRARY */
+# else
+# define FL_EXPORT
+# endif /* FL_DLL && _MSC_VER */
+# endif /* FL_EXPORT */
+
+
+
+# if __APPLE__
+# include <wchar.h>
+# include <sys/stat.h>
+# else
+# include <sys/types.h>
+# include <sys/stat.h>
+# ifndef _WIN32
+# include "Xutf8.h"
+# include <X11/Xlocale.h>
+# include <X11/Xlib.h>
+# endif
+# include <locale.h>
+# endif
+
+
+
+# if defined(WIN32)
+# include <ctype.h>
+# define xchar wchar_t
+# else
+# if __APPLE__
+# define xchar wchar_t
+# else
+# define xchar unsigned short
+# endif
+# endif
+
+# if defined(WIN32) && !defined(FL_DLL)
+# undef strdup
+# define strdup _strdup
+# undef putenv
+# define putenv _putenv
+# undef stricmp
+# define stricmp _stricmp
+# undef strnicmp
+# define strnicmp _strnicmp
+# undef hypot
+# define hypot _hypot
+# undef chdir
+# define chdir _chdir
+# endif
+
+# ifdef __cplusplus
+extern "C" {
+# endif
+
+/* F2: comes from FLTK2 */
+/* OD: comes from OksiD */
+
+/* F2: How many bytes will be used to encode this wide character as UTF8? */
+FL_EXPORT int fl_utf8bytes(unsigned ucs);
+
+/* OD: returns the byte length of the first UTF-8 char sequence (returns -1 if not valid) */
+FL_EXPORT int fl_utf8len(char c);
+
+/* OD: returns the number of Unicode chars in the UTF-8 string */
+FL_EXPORT int fl_utf_nb_char(const unsigned char *buf, int len);
+
+/* F2: Convert the next UTF8 char-sequence into a Unicode value (and say how many bytes were used) */
+FL_EXPORT unsigned fl_utf8decode(const char* start, const char* end, int* len);
+
+/* F2: Encode a Unicode value into a UTF8 sequence, return the number of bytes used */
+FL_EXPORT int fl_utf8encode(unsigned ucs, char* buf);
+
+/* F2: Move forward to the next valid UTF8 sequence start betwen start and end */
+FL_EXPORT const char* fl_utf8fwd(const char* pos, const char* start, const char* end);
+
+/* F2: Move backward to the previous valid UTF8 sequence start */
+FL_EXPORT const char* fl_utf8back(const char* pos, const char* start, const char* end);
+
+/* F2: Convert a UTF8 string into UTF16 */
+FL_EXPORT unsigned fl_utf8toUtf16(const char* src, unsigned srclen, unsigned short* dst, unsigned dstlen);
+
+/* F2: Convert a UTF8 string into a wide character string - makes UTF16 on win32, "UCS4" elsewhere */
+FL_EXPORT unsigned fl_utf8towc(const char *src, unsigned srclen, wchar_t *dst, unsigned dstlen);
+
+/* F2: Convert a wide character string to UTF8 - takes in UTF16 on win32, "UCS4" elsewhere */
+FL_EXPORT unsigned fl_utf8fromwc(char *dst, unsigned dstlen, const wchar_t *src, unsigned srclen);
+
+/* F2: Convert a UTF8 string into ASCII, eliding untranslatable glyphs */
+FL_EXPORT unsigned fl_utf8toa (const char *src, unsigned srclen, char *dst, unsigned dstlen);
+/* OD: convert UTF-8 string to latin1 */
+//FL_EXPORT int fl_utf2latin1(const unsigned char *src, int srclen, char *dst);
+
+/* F2: Convert 8859-1 string to UTF8 */
+FL_EXPORT unsigned fl_utf8froma (char *dst, unsigned dstlen, const char *src, unsigned srclen);
+/* OD: convert latin1 str to UTF-8 */
+//FL_EXPORT int fl_latin12utf(const unsigned char *src, int srclen, char *dst);
+
+/* F2: Returns true if the current O/S locale is UTF8 */
+FL_EXPORT int fl_utf8locale();
+
+/* F2: Examine the first len characters of src, to determine if the input text is UTF8 or not
+ * NOTE: The value returned is not simply boolean - it contains information about the probable
+ * type of the src text. */
+FL_EXPORT int fl_utf8test(const char *src, unsigned len);
+
+/* OD: Return true if the character is non-spacing */
+FL_EXPORT unsigned int fl_nonspacing(unsigned int ucs);
+
+/* F2: Convert UTF8 to a local multi-byte encoding - mainly for win32? */
+FL_EXPORT unsigned fl_utf8to_mb(const char *src, unsigned srclen, char *dst, unsigned dstlen);
+/* OD: Convert UTF8 to a local multi-byte encoding */
+FL_EXPORT char* fl_utf2mbcs(const char *src);
+
+/* F2: Convert a local multi-byte encoding to UTF8 - mainly for win32? */
+FL_EXPORT unsigned fl_utf8from_mb(char *dst, unsigned dstlen, const char *src, unsigned srclen);
+/* OD: Convert a local multi-byte encoding to UTF8 */
+//FL_EXPORT char* fl_mbcs2utf(const char *src);
+
+/*****************************************************************************/
+#ifdef WIN32
+/* OD: Attempt to convert the UTF8 string to the current locale */
+FL_EXPORT char *fl_utf8_to_locale(const char *s, int len, unsigned int codepage);
+
+/* OD: Attempt to convert a string in the current locale to UTF8 */
+FL_EXPORT char *fl_locale_to_utf8(const char *s, int len, unsigned int codepage);
+#endif
+
+/*****************************************************************************/
+// The following functions are intended to provide portable, UTF8 aware
+// versions of standard functions
+
+/* OD: UTF8 aware strncasecmp - converts to lower case Unicode and tests */
+FL_EXPORT int fl_utf_strncasecmp(const char *s1, const char *s2, int n);
+
+/* OD: UTF8 aware strcasecmp - converts to Unicode and tests */
+FL_EXPORT int fl_utf_strcasecmp(const char *s1, const char *s2);
+
+/* OD: return the Unicode lower case value of ucs */
+FL_EXPORT int fl_tolower(unsigned int ucs);
+
+/* OD: return the Unicode upper case value of ucs */
+FL_EXPORT int fl_toupper(unsigned int ucs);
+
+/* OD: converts the UTF8 string to the lower case equivalent */
+FL_EXPORT int fl_utf_tolower(const unsigned char *str, int len, char *buf);
+
+/* OD: converts the UTF8 string to the upper case equivalent */
+FL_EXPORT int fl_utf_toupper(const unsigned char *str, int len, char *buf);
+
+/* OD: Portable UTF8 aware chmod wrapper */
+FL_EXPORT int fl_chmod(const char* f, int mode);
+
+/* OD: Portable UTF8 aware access wrapper */
+FL_EXPORT int fl_access(const char* f, int mode);
+
+/* OD: Portable UTF8 aware stat wrapper */
+FL_EXPORT int fl_stat( const char *path, struct stat *buffer );
+
+/* OD: Portable UTF8 aware getcwd wrapper */
+FL_EXPORT char* fl_getcwd( char *buf, int maxlen);
+
+/* OD: Portable UTF8 aware fopen wrapper */
+FL_EXPORT FILE *fl_fopen(const char *f, const char *mode);
+
+/* OD: Portable UTF8 aware system wrapper */
+FL_EXPORT int fl_system(const char* f);
+
+/* OD: Portable UTF8 aware execvp wrapper */
+FL_EXPORT int fl_execvp(const char *file, char *const *argv);
+
+/* OD: Portable UTF8 aware open wrapper */
+FL_EXPORT int fl_open(const char* f, int o, ...);
+
+/* OD: Portable UTF8 aware unlink wrapper */
+FL_EXPORT int fl_unlink(const char *f);
+
+/* OD: Portable UTF8 aware rmdir wrapper */
+FL_EXPORT int fl_rmdir(const char *f);
+
+/* OD: Portable UTF8 aware getenv wrapper */
+FL_EXPORT char* fl_getenv(const char *name);
+
+/* OD: Portable UTF8 aware execvp wrapper */
+FL_EXPORT int fl_mkdir(const char* f, int mode);
+
+/* OD: Portable UTF8 aware rename wrapper */
+FL_EXPORT int fl_rename(const char* f, const char *t);
+
+
+/* OD: Given a full pathname, this will create the directory path needed to hold the file named */
+FL_EXPORT void fl_make_path_for_file( const char *path );
+
+/* OD: recursively create a path in the file system */
+FL_EXPORT char fl_make_path( const char *path );
+
+/*****************************************************************************/
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+
+#endif // _HAVE_FL_UTF8_HDR_
+
+//
+// End of "$Id: $".
+//