Fix some old typos, indentations.

Clarify some comments. 

Remove some DirManager methods that were declared but not defined.

src/DirManager.cpp

@@ -48,6 +48,8 @@
 
 #include "Audacity.h"
 
+#include <time.h> // to use time() for srand()
+
 #include <wx/defs.h>
 #include <wx/app.h>
 #include <wx/dir.h>
@@ -68,9 +70,6 @@
 #include <sys/stat.h>
 #endif
 
-// seed random number generator
-#include <time.h>
-
 #include "AudacityApp.h"
 #include "BlockFile.h"
 #include "blockfile/LegacyBlockFile.h"
@@ -311,9 +310,10 @@ DirManager::DirManager()
 
    mRef = 1; // MM: Initial refcount is 1 by convention
    
+   // Seed the random number generator.
    // this need not be strictly uniform or random, but it should give
    // unclustered numbers
-   srand(time(0));
+   srand(time(NULL));
 
    // Set up local temp subdir
    // Previously, Audacity just named project temp directories "project0",

src/DirManager.h

@@ -120,17 +120,17 @@ class DirManager: public XMLTagHandler {
    int ProjectFSCK(const bool bForceError, const bool bSilentlyCorrect);
    
    void FindMissingAliasedFiles(
-         const bool bSilentlyCorrect,              // input: same as for ProjectFSCK
+         const bool bSilentlyCorrect,              // input: true => do not log warnings on files
          BlockHash& missingAliasedFileAUFHash,     // output: (.auf) AliasBlockFiles whose aliased files are missing
          BlockHash& missingAliasedFilePathHash);   // output: full paths of missing aliased files
    void FindMissingAUFs(
-         const bool bSilentlyCorrect,              // input: same as for ProjectFSCK
+         const bool bSilentlyCorrect,              // input: true => do not log warnings on files
          BlockHash& missingAUFHash);               // output: missing (.auf) AliasBlockFiles 
    void FindMissingAUs(
-         const bool bSilentlyCorrect,              // input: same as for ProjectFSCK
+         const bool bSilentlyCorrect,              // input: true => do not log warnings on files
          BlockHash& missingAUHash);                // missing data (.au) blockfiles
    void FindOrphanBlockFiles(                      // Find .au and .auf files that are not in the project.
-         const bool bSilentlyCorrect,              // input: same as for ProjectFSCK
+         const bool bSilentlyCorrect,              // input: true => do not log warnings on files
          const wxArrayString& filePathArray,       // input: all files in project directory
          wxArrayString& orphanFilePathArray);      // output: orphan files
 
@@ -159,17 +159,9 @@ class DirManager: public XMLTagHandler {
 
  private:
 
-   // Create new unique track name
-   wxString NewTrackName();
-
    wxFileName MakeBlockFileName();
    wxFileName MakeBlockFilePath(wxString value);
 
-   // Create new unique names
-   wxString NewTempBlockName();
-   wxString NewBlockName();
-
-   //////////////////////////
 
    int mRef; // MM: Current refcount
 

src/Menus.cpp

@@ -724,11 +724,10 @@ void AudacityProject::CreateMenusAndCommands()
 #endif
 
       c->AddItem(wxT("AddLabel"), _("Add Label At &Selection"), FN(OnAddLabel), wxT("Ctrl+B"),
-                 AlwaysEnabledFlag,
-                 AlwaysEnabledFlag);
-      c->AddItem(wxT("AddLabelPlaying"), _("Add Label At &Playback Position"), FN(OnAddLabelPlaying), wxT("Ctrl+M"),
-                 0,
-                 AudioIONotBusyFlag);
+                 AlwaysEnabledFlag, AlwaysEnabledFlag);
+      c->AddItem(wxT("AddLabelPlaying"), _("Add Label At &Playback Position"), 
+                 FN(OnAddLabelPlaying), wxT("Ctrl+M"), 
+                 0, AudioIONotBusyFlag);
       c->AddItem(wxT("EditLabels"), _("&Edit Labels"), FN(OnEditLabels));
 
       c->AddSeparator();   

src/Track.cpp

@@ -323,13 +323,13 @@ Track *TrackListIterator::Last(bool skiplinked)
    return NULL;
 }
 
-Track *TrackListIterator::Next(bool SkipLinked)
+Track *TrackListIterator::Next(bool skipLinked)
 {
    #ifdef DEBUG_TLI // if we are debugging this bit
    wxASSERT_MSG((!cur || (*l).Contains((*cur).t)), wxT("cur invalid at start of Next(). List changed since iterator created?"));   // check that cur is in the list
    #endif
 
-   if (SkipLinked && cur && cur->t->GetLinked()) {
+   if (skipLinked && cur && cur->t->GetLinked()) {
       cur = cur->next;
    }