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//
// Directory detection 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
//
// Used by fl_file_chooser
#include "flstring.h"
#include "Fl_System_Driver.H"
#include <FL/filename.H>
#include <FL/Fl.H>
/**
Determines if a file exists and is a directory from its filename.
\code
#include <FL/filename.H>
[..]
fl_filename_isdir("/etc"); // returns non-zero
fl_filename_isdir("/etc/hosts"); // returns 0
\endcode
\param[in] n the filename to parse
\return non zero if file exists and is a directory, zero otherwise
*/
int fl_filename_isdir(const char* n) {
return Fl::system_driver()->filename_isdir(n);
}
/**
\cond DriverDev
\addtogroup DriverDeveloper
\{
*/
/**
filename_isdir_quick() is a private function that checks for a
trailing slash and assumes that the passed name is a directory if
it finds one. This function is used by Fl_File_Browser and
Fl_File_Chooser to avoid extra stat() calls, but is not supported
outside of FLTK...
*/
int Fl_System_Driver::filename_isdir_quick(const char* n) {
// Do a quick optimization for filenames with a trailing slash...
if (*n && n[strlen(n) - 1] == '/') return 1;
return filename_isdir(n);
}
// TODO: This should probably handle errors better (like permission denied) -erco
int Fl_System_Driver::filename_isdir(const char* n) {
struct stat s;
char fn[FL_PATH_MAX];
int length;
length = (int) strlen(n);
// Matt: Just in case, we strip the slash for other operating
// systems as well, avoid bugs by sloppy implementations
// of "stat".
if (length > 1 && n[length - 1] == '/') {
length --;
memcpy(fn, n, length);
fn[length] = '\0';
n = fn;
}
return !stat(n, &s) && (s.st_mode & S_IFDIR);
}
/**
\}
\endcond
*/
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