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DRC2ff39b82011-07-28 08:38:59 +00001//
2// "$Id: filename_ext.cxx 7903 2010-11-28 21:06:39Z matt $"
3//
4// Filename extension routines for the Fast Light Tool Kit (FLTK).
5//
6// Copyright 1998-2010 by Bill Spitzak and others.
7//
8// This library is free software; you can redistribute it and/or
9// modify it under the terms of the GNU Library General Public
10// License as published by the Free Software Foundation; either
11// version 2 of the License, or (at your option) any later version.
12//
13// This library is distributed in the hope that it will be useful,
14// but WITHOUT ANY WARRANTY; without even the implied warranty of
15// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16// Library General Public License for more details.
17//
18// You should have received a copy of the GNU Library General Public
19// License along with this library; if not, write to the Free Software
20// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
21// USA.
22//
23// Please report all bugs and problems on the following page:
24//
25// http://www.fltk.org/str.php
26//
27
28// returns pointer to the last '.' or to the null if none:
29
30#include <FL/filename.H>
31
32/** Gets the extensions of a filename.
33 \code
34 #include <FL/filename.H>
35 [..]
36 const char *out;
37 out = fl_filename_ext("/some/path/foo.txt"); // result: ".txt"
38 out = fl_filename_ext("/some/path/foo"); // result: NULL
39 \endcode
40 \param[in] buf the filename to be parsed
41 \return a pointer to the extension (including '.') if any or NULL otherwise
42 */
43const char *fl_filename_ext(const char *buf) {
44 const char *q = 0;
45 const char *p = buf;
46 for (p=buf; *p; p++) {
47 if (*p == '/') q = 0;
48#if defined(WIN32) || defined(__EMX__) && !defined(__CYGWIN__)
49 else if (*p == '\\') q = 0;
50#endif
51 else if (*p == '.') q = p;
52 }
53 return q ? q : p;
54}
55
56//
57// End of "$Id: filename_ext.cxx 7903 2010-11-28 21:06:39Z matt $".
58//