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//
// Filename extension routines for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2010 by Bill Spitzak and others.
//
// This library is free software. Distribution and use rights are outlined in
// the file "COPYING" which should have been included with this file. If this
// file is missing or damaged, see the license at:
//
// https://www.fltk.org/COPYING.php
//
// Please see the following page on how to report bugs and issues:
//
// https://www.fltk.org/bugs.php
//
#include "Fl_System_Driver.H"
#include <FL/Fl.H>
/** Gets the extension of a filename.
\code
#include <FL/filename.H>
[..]
const char *out;
out = fl_filename_ext("/some/path/foo.txt"); // result: ".txt"
out = fl_filename_ext("/some/path/foo"); // result: ""
\endcode
\param[in] buf the filename to be parsed
\return a pointer to the extension (including '.') if one was found,
or a pointer to the terminating NUL character (effectively a pointer
to an empty string) if no extension was found.
\see fl_filename_ext_str(const std::string &filename)
*/
const char *fl_filename_ext(const char *buf) {
return Fl::system_driver()->filename_ext(buf);
}
/**
\cond DriverDev
\addtogroup DriverDeveloper
\{
*/
/**
Finds a filename extension.
The default implementation assumes that the last `.` character separates
the extension from the basename of a file.
\see fl_filename_ext(const char*)
*/
const char *Fl_System_Driver::filename_ext(const char *buf) {
const char *q = 0;
const char *p = buf;
for (p=buf; *p; p++) {
if (*p == '/') q = 0;
else if (*p == '.') q = p;
}
return q ? q : p;
}
/**
\}
\endcond
*/
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