Rename fl_filename_isdir_quick to _fl_filename_isdir_quick, do not

export it, and add comments to indicate that it is a private API we
do not support outside of FLTK.


git-svn-id: file:///fltk/svn/fltk/branches/branch-1.1@5635 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

FL/filename.H

@@ -40,7 +40,6 @@ FL_EXPORT int fl_filename_absolute(char *to, int tolen, const char *from);
 FL_EXPORT int fl_filename_relative(char *to, int tolen, const char *from);
 FL_EXPORT int fl_filename_match(const char *name, const char *pattern);
 FL_EXPORT int fl_filename_isdir(const char *name);
-FL_EXPORT int fl_filename_isdir_quick(const char *name);
 
 #  ifdef __cplusplus
 /*
@@ -120,6 +119,16 @@ FL_EXPORT int fl_filename_list(const char *d, struct dirent ***l,
 
 FL_EXPORT int	fl_open_uri(const char *uri, char *msg = (char *)0,
 		            int msglen = 0);
+
+/*
+ * _fl_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_filename_isdir_quick(const char *name);
+
 #  endif /* __cplusplus */
 
 /*

src/Fl_File_Browser.cxx

@@ -600,7 +600,7 @@ Fl_File_Browser::load(const char     *directory,// I - Directory to load
 
         icon = Fl_File_Icon::find(filename);
 	if ((icon && icon->type() == Fl_File_Icon::DIRECTORY) ||
-	     fl_filename_isdir_quick(filename)) {
+	     _fl_filename_isdir_quick(filename)) {
           num_dirs ++;
           insert(num_dirs, files[i]->d_name, icon);
 	} else if (filetype_ == FILES &&

src/Fl_File_Chooser2.cxx

@@ -412,9 +412,9 @@ Fl_File_Chooser::fileListCB()
   if (Fl::event_clicks()) {
 #if (defined(WIN32) && ! defined(__CYGWIN__)) || defined(__EMX__)
     if ((strlen(pathname) == 2 && pathname[1] == ':') ||
-        fl_filename_isdir_quick(pathname))
+        _fl_filename_isdir_quick(pathname))
 #else
-    if (fl_filename_isdir_quick(pathname))
+    if (_fl_filename_isdir_quick(pathname))
 #endif /* WIN32 || __EMX__ */
     {
       // Change directories...
@@ -477,7 +477,7 @@ Fl_File_Chooser::fileListCB()
     if (callback_) (*callback_)(this, data_);
 
     // Activate the OK button as needed...
-    if (!fl_filename_isdir_quick(pathname) || (type_ & DIRECTORY))
+    if (!_fl_filename_isdir_quick(pathname) || (type_ & DIRECTORY))
       okButton->activate();
     else
       okButton->deactivate();
@@ -544,15 +544,15 @@ Fl_File_Chooser::fileNameCB()
     // Enter pressed - select or change directory...
 #if (defined(WIN32) && ! defined(__CYGWIN__)) || defined(__EMX__)
     if ((isalpha(pathname[0] & 255) && pathname[1] == ':' && !pathname[2]) ||
-        fl_filename_isdir_quick(pathname) &&
+        _fl_filename_isdir_quick(pathname) &&
 	compare_dirnames(pathname, directory_)) {
 #else
-    if (fl_filename_isdir_quick(pathname) &&
+    if (_fl_filename_isdir_quick(pathname) &&
 	compare_dirnames(pathname, directory_)) {
 #endif /* WIN32 || __EMX__ */
       directory(pathname);
     } else if ((type_ & CREATE) || access(pathname, 0) == 0) {
-      if (!fl_filename_isdir_quick(pathname) || (type_ & DIRECTORY)) {
+      if (!_fl_filename_isdir_quick(pathname) || (type_ & DIRECTORY)) {
 	// Update the preview box...
 	update_preview();
 

src/filename_isdir.cxx

@@ -40,7 +40,7 @@ static inline int isdirsep(char c) {return c=='/' || c=='\\';}
 #define isdirsep(c) ((c)=='/')
 #endif
 
-int fl_filename_isdir_quick(const char* n) {
+int _fl_filename_isdir_quick(const char* n) {
   // Do a quick optimization for filenames with a trailing slash...
   if (*n && isdirsep(n[strlen(n) - 1])) return 1;
   return fl_filename_isdir(n);