fltk  1.3.5-source
About: FLTK (Fast Light Tool Kit) is a cross-platform C++ GUI toolkit for UNIX/Linux (X11), Microsoft Windows, and MacOS X.
  Fossies Dox: fltk-1.3.5-source.tar.bz2  ("inofficial" and yet experimental doxygen-generated source code documentation)  

filename_isdir.cxx
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1 //
2 // "$Id$"
3 //
4 // Directory detection 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. Distribution and use rights are outlined in
9 // the file "COPYING" which should have been included with this file. If this
10 // file is missing or damaged, see the license at:
11 //
12 // http://www.fltk.org/COPYING.php
13 //
14 // Please report all bugs and problems on the following page:
15 //
16 // http://www.fltk.org/str.php
17 //
18 
19 // Used by fl_file_chooser
20 
21 #include "flstring.h"
22 #include <sys/types.h>
23 #include <sys/stat.h>
24 #include <ctype.h>
25 #include <FL/filename.H>
26 #include <FL/fl_utf8.h>
27 
28 
29 #if defined(WIN32) || defined(__EMX__) && !defined(__CYGWIN__)
30 static inline int isdirsep(char c) {return c=='/' || c=='\\';}
31 #else
32 #define isdirsep(c) ((c)=='/')
33 #endif
34 
35 int _fl_filename_isdir_quick(const char* n) {
36  // Do a quick optimization for filenames with a trailing slash...
37  if (*n && isdirsep(n[strlen(n) - 1])) return 1;
38  return fl_filename_isdir(n);
39 }
40 
52 int fl_filename_isdir(const char* n) {
53  struct stat s;
54  char fn[FL_PATH_MAX];
55  int length;
56 
57  length = (int) strlen(n);
58 
59 #ifdef WIN32
60  // This workaround brought to you by the fine folks at Microsoft!
61  // (read lots of sarcasm in that...)
62  if (length < (int)(sizeof(fn) - 1)) {
63  if (length < 4 && isalpha(n[0]) && n[1] == ':' &&
64  (isdirsep(n[2]) || !n[2])) {
65  // Always use D:/ for drive letters
66  fn[0] = n[0];
67  strcpy(fn + 1, ":/");
68  n = fn;
69  } else if (length > 0 && isdirsep(n[length - 1])) {
70  // Strip trailing slash from name...
71  length --;
72  memcpy(fn, n, length);
73  fn[length] = '\0';
74  n = fn;
75  }
76  }
77 #else
78  // Matt: Just in case, we strip the slash for other operating
79  // systems as well, avoid bugs by sloppy implementations
80  // of "stat".
81  if (length > 1 && isdirsep(n[length - 1])) {
82  length --;
83  memcpy(fn, n, length);
84  fn[length] = '\0';
85  n = fn;
86  }
87 #endif
88 
89  return !fl_stat(n, &s) && (s.st_mode&0170000)==0040000;
90 }
91 
92 //
93 // End of "$Id$".
94 //
filename.H
fl_filename_isdir
int fl_filename_isdir(const char *n)
Definition: filename_isdir.cxx:52
fl_utf8.h
header for Unicode and UTF-8 character handling
FL_PATH_MAX
#define FL_PATH_MAX
Definition: filename.H:38
isdirsep
#define isdirsep(c)
Definition: filename_isdir.cxx:32
fl_stat
int fl_stat(const char *path, struct stat *buffer)
Definition: fl_utf8.cxx:669
_fl_filename_isdir_quick
int _fl_filename_isdir_quick(const char *n)
Definition: filename_isdir.cxx:35
flstring.h
length
png_uint_32 length
Definition: png.c:2173