diff --git a/README b/README
index 4755dba..d4e61cf 100644
--- a/README
+++ b/README
@@ -9,7 +9,7 @@ DESCRIPTION
 
 
 REQUIREMENTS
-  
+
   In order to compile and install ncdu, you need to have
   at least...
 
diff --git a/src/exclude.c b/src/exclude.c
index 0b2f538..ecf40a8 100644
--- a/src/exclude.c
+++ b/src/exclude.c
@@ -1,5 +1,5 @@
-/* ncdu - NCurses Disk Usage 
-    
+/* ncdu - NCurses Disk Usage
+
   Copyright (c) 2007-2012 Yoran Heling
 
   Permission is hereby granted, free of charge, to any person obtaining
@@ -9,10 +9,10 @@
   distribute, sublicense, and/or sell copies of the Software, and to
   permit persons to whom the Software is furnished to do so, subject to
   the following conditions:
-  
+
   The above copyright notice and this permission notice shall be included
   in all copies or substantial portions of the Software.
-  
+
   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
diff --git a/src/global.h b/src/global.h
index edebb83..ace92cb 100644
--- a/src/global.h
+++ b/src/global.h
@@ -1,5 +1,5 @@
-/* ncdu - NCurses Disk Usage 
-    
+/* ncdu - NCurses Disk Usage
+
   Copyright (c) 2007-2012 Yoran Heling
 
   Permission is hereby granted, free of charge, to any person obtaining
@@ -9,10 +9,10 @@
   distribute, sublicense, and/or sell copies of the Software, and to
   permit persons to whom the Software is furnished to do so, subject to
   the following conditions:
-  
+
   The above copyright notice and this permission notice shall be included
   in all copies or substantial portions of the Software.
-  
+
   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
@@ -63,7 +63,7 @@ struct dir {
   int items;
   unsigned char flags;
   char name[3]; /* must be large enough to hold ".." */
-}; 
+};
 /* sizeof(total dir) = SDIRSIZE + strlen(name) = sizeof(struct dir) - 3 + strlen(name) + 1 */
 #define SDIRSIZE (sizeof(struct dir)-2)
 
diff --git a/src/help.c b/src/help.c
index a7a51b0..e3c3d82 100644
--- a/src/help.c
+++ b/src/help.c
@@ -1,5 +1,5 @@
-/* ncdu - NCurses Disk Usage 
-  
+/* ncdu - NCurses Disk Usage
+
   Copyright (c) 2007-2012 Yoran Heling
 
   Permission is hereby granted, free of charge, to any person obtaining
@@ -9,10 +9,10 @@
   distribute, sublicense, and/or sell copies of the Software, and to
   permit persons to whom the Software is furnished to do so, subject to
   the following conditions:
-  
+
   The above copyright notice and this permission notice shall be included
   in all copies or substantial portions of the Software.
-  
+
   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
diff --git a/src/main.c b/src/main.c
index 7a6f2cf..4088f59 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1,5 +1,5 @@
-/* ncdu - NCurses Disk Usage 
-    
+/* ncdu - NCurses Disk Usage
+
   Copyright (c) 2007-2012 Yoran Heling
 
   Permission is hereby granted, free of charge, to any person obtaining
@@ -9,10 +9,10 @@
   distribute, sublicense, and/or sell copies of the Software, and to
   permit persons to whom the Software is furnished to do so, subject to
   the following conditions:
-  
+
   The above copyright notice and this permission notice shall be included
   in all copies or substantial portions of the Software.
-  
+
   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
diff --git a/src/util.c b/src/util.c
index 0cd7fb1..b931898 100644
--- a/src/util.c
+++ b/src/util.c
@@ -1,5 +1,5 @@
-/* ncdu - NCurses Disk Usage 
-    
+/* ncdu - NCurses Disk Usage
+
   Copyright (c) 2007-2012 Yoran Heling
 
   Permission is hereby granted, free of charge, to any person obtaining
@@ -9,10 +9,10 @@
   distribute, sublicense, and/or sell copies of the Software, and to
   permit persons to whom the Software is furnished to do so, subject to
   the following conditions:
-  
+
   The above copyright notice and this permission notice shall be included
   in all copies or substantial portions of the Software.
-  
+
   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
@@ -56,7 +56,7 @@ char *cropstr(const char *from, int s) {
 
 char *formatsize(int64_t from) {
   static char dat[9]; /* "xxx.xMiB" */
-  float r = from; 
+  float r = from;
   char c = ' ';
   if(r < 1000.0f)      { }
   else if(r < 1023e3f) { c = 'K'; r/=1024.0f; }
@@ -111,7 +111,7 @@ int ncresize(int minrows, int mincols) {
       erase();
       refresh();
       endwin();
-      exit(0); 
+      exit(0);
     }
     if(ch == 'i')
       return 1;
@@ -218,7 +218,7 @@ void freedir(struct dir *dr) {
   /* free dr->sub recursively */
   if(dr->sub)
     freedir_rec(dr->sub);
- 
+
   /* update references */
   if(dr->parent && dr->parent->sub == dr)
     dr->parent->sub = dr->next;