Mac: If permissions error because unable to opendir() a subdirectory, show path to that subdirectory

svn path=/trunk/boinc/; revision=25132

checkin_notes

@@ -922,3 +922,10 @@ David  23 Jan 2012
     vda/
         vdad.cpp
         makefile
+
+Charlie 23 Jan 2012
+    - Mac: If permissions error because unable to opendir() a subdirectory, 
+        show path to that subdirectory.
+
+    client/
+        check_security.cpp

client/check_security.cpp

@@ -514,9 +514,9 @@ static int CheckNestedDirectories(char * basepath, int depth,
 
     dirp = opendir(basepath);
     if (dirp == NULL)           // Should never happen
-        return -1200;
+        retval = -1200;
     
-    while (true) {
+    while (dirp) {              // Skip this if dirp == NULL, else loop until break
         dp = readdir(dirp);
         if (dp == NULL)
             break;                  // End of list