Fix for Top parsing of command lines containing blanks

2 files changed, 16 insertions, 1 deletions

diff --git a/news.md b/news.md
index e7007b8..4263151 100644
--- a/news.md
+++ b/news.md
@@ -1,5 +1,15 @@
 % xmobar - Release notes
 
+## Version 0.20 ()
+
+_Bug fixes_
+
+  - Fix for `Top` monitor's readings for processes whose name contains
+    blanks.
+  - Fixes for geometry computation on multihead (Dmitry Malikov).
+  - Fixes for missing XDG configuration (Thiago Negri and James McCoy).
+  - Compatibility with latest `directory` (1.2.0.2).
+
 ## Version 0.19 (October 27, 2013)
 
 As of this release, the old bug tracker at Google code is deprecated.
diff --git a/src/Plugins/Monitors/Top.hs b/src/Plugins/Monitors/Top.hs
index 6f16bdb..6be3c1c 100644
--- a/src/Plugins/Monitors/Top.hs
+++ b/src/Plugins/Monitors/Top.hs
@@ -57,10 +57,15 @@ processes :: IO [FilePath]
 processes = fmap (filter isPid) (getDirectoryContents "/proc")
   where isPid = (`elem` ['0'..'9']) . head
 
+statWords :: [String] -> [String]
+statWords line@(x:pn:ppn:xs) =
+  if last pn == ')' then line else statWords (x:(pn ++ " " ++ ppn):xs)
+statWords _ = replicate 52 "0"
+
 getProcessData :: FilePath -> IO [String]
 getProcessData pidf =
   handle ign $ withFile ("/proc" </> pidf </> "stat") ReadMode readWords
-  where readWords = fmap words . hGetLine
+  where readWords = fmap (statWords . words) . hGetLine
         ign = const (return []) :: SomeException -> IO [String]
 
 handleProcesses :: ([String] -> a) -> IO [a]