From 5f958b3bd5c33282ab5b772854d96d4d2a6b72e6 Mon Sep 17 00:00:00 2001
From: Mathias Gumz <akira at fluxbox dot org>
Date: Sat, 12 Sep 2009 16:03:42 +0200
Subject: check for errno while parsing the deco mask

---
 src/WindowState.cc | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/src/WindowState.cc b/src/WindowState.cc
index 50a88fc..1b8647a 100644
--- a/src/WindowState.cc
+++ b/src/WindowState.cc
@@ -23,7 +23,8 @@
 
 #include "FbTk/StringUtil.hh"
 
-#include <stdlib.h>
+#include <cstdlib>
+#include <errno.h>
 
 bool WindowState::useBorder() const {
     return !fullscreen && maximized != MAX_FULL && deco_mask & DECORM_BORDER;
@@ -92,10 +93,14 @@ int WindowState::getDecoMaskFromString(const std::string &str_label) {
         return DECOR_BORDER;
     if (label == "tab")
         return DECOR_TAB;
+
     int mask = -1;
-    if ((str_label.size() > 1 && str_label[0] == '0' && str_label[1] == 'x') ||
-        (str_label.size() > 0 && isdigit(str_label[0])))
-        mask = strtol(str_label.c_str(), NULL, 0);
+    int tmp;
+    errno = 0;
+    tmp = strtol(str_label.c_str(), NULL, 0);
+    if (errno == 0)
+        mask = tmp;
+
     return mask;
 }
 
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