@@ -102,39 +102,42 @@ if (!memstr.empty() && memstr[memstr.length()-1] == '!') {
                 negate = true;
                 memstr.assign(memstr, 0, memstr.length()-1);
             }
-            if (strcasecmp(memstr.c_str(), "name") == 0) {
+
+            memstr = FbTk::StringUtil::toLower(memstr);
+
+            if (memstr == "name") {
                 prop = NAME;
-            } else if (strcasecmp(memstr.c_str(), "class") == 0) {
+            } else if (memstr == "class") {
                 prop = CLASS;
-            } else if (strcasecmp(memstr.c_str(), "title") == 0) {
+            } else if (memstr == "title") {
                 prop = TITLE;
-            } else if (strcasecmp(memstr.c_str(), "role") == 0) {
+            } else if (memstr == "role") {
                 prop = ROLE;
-            } else if (strcasecmp(memstr.c_str(), "transient") == 0) {
+            } else if (memstr == "transient") {
                 prop = TRANSIENT;
-            } else if (strcasecmp(memstr.c_str(), "maximized") == 0) {
+            } else if (memstr == "maximized") {
                 prop = MAXIMIZED;
-            } else if (strcasecmp(memstr.c_str(), "minimized") == 0) {
+            } else if (memstr == "minimized") {
                 prop = MINIMIZED;
-            } else if (strcasecmp(memstr.c_str(), "shaded") == 0) {
+            } else if (memstr == "shaded") {
                 prop = SHADED;
-            } else if (strcasecmp(memstr.c_str(), "stuck") == 0) {
+            } else if (memstr == "stuck") {
                 prop = STUCK;
-            } else if (strcasecmp(memstr.c_str(), "focushidden") == 0) {
+            } else if (memstr == "focushidden") {
                 prop = FOCUSHIDDEN;
-            } else if (strcasecmp(memstr.c_str(), "iconhidden") == 0) {
+            } else if (memstr == "iconhidden") {
                 prop = ICONHIDDEN;
-            } else if (strcasecmp(memstr.c_str(), "workspace") == 0) {
+            } else if (memstr == "workspace") {
                 prop = WORKSPACE;
-            } else if (strcasecmp(memstr.c_str(), "workspacename") == 0) {
+            } else if (memstr == "workspacename") {
                 prop = WORKSPACENAME;
-            } else if (strcasecmp(memstr.c_str(), "head") == 0) {
+            } else if (memstr == "head") {
                 prop = HEAD;
-            } else if (strcasecmp(memstr.c_str(), "layer") == 0) {
+            } else if (memstr == "layer") {
                 prop = LAYER;
-            } else if (strcasecmp(memstr.c_str(), "urgent") == 0) {
+            } else if (memstr == "urgent") {
                 prop = URGENT;
-            } else if (strcasecmp(memstr.c_str(), "screen") == 0) {
+            } else if (memstr == "screen") {
                 prop = SCREEN;
             } else {
                 prop = NAME;
@@ -279,9 +282,7 @@ for (; it != it_end; ++it) {
         if ((*it)->orig == "[current]") {
             WinClient *focused = FocusControl::focusedWindow();
             if ((*it)->prop == WORKSPACE) {
-                char tmpstr[128];
-                sprintf(tmpstr, "%d", win.screen().currentWorkspaceID());
-                if (!(*it)->negate ^ (getProperty((*it)->prop, win) == tmpstr))
+                if (!(*it)->negate ^ (getProperty((*it)->prop, win) == FbTk::StringUtil::number2String(win.screen().currentWorkspaceID())))
                     return false;
             } else if ((*it)->prop == WORKSPACENAME) {
                 const Workspace *w = win.screen().currentWorkspace();
@@ -292,16 +293,11 @@ } else if (!focused || (!(*it)->negate ^
                                     (getProperty((*it)->prop, win) ==
                                      getProperty((*it)->prop, *focused))))
                 return false;
-        } else if ((*it)->prop == HEAD &&
-                   (*it)->orig == "[mouse]") {
-            int mouse_head = win.screen().getCurrHead();
-            char num[32];
-            sprintf(num, "%d", mouse_head);
-            if (!(*it)->negate ^ (getProperty((*it)->prop, win) == num))
+        } else if ((*it)->prop == HEAD && (*it)->orig == "[mouse]") {
+            if (!(*it)->negate ^ (getProperty((*it)->prop, win) == FbTk::StringUtil::number2String(win.screen().getCurrHead())))
                 return false;
 
-        } else if (!(*it)->negate ^
-                   (*it)->regexp.match(getProperty((*it)->prop, win)))
+        } else if (!(*it)->negate ^ (*it)->regexp.match(getProperty((*it)->prop, win)))
             return false;
     }
     return true;
@@ -385,9 +381,7 @@ return (fbwin && fbwin->isIconHidden()) ? "yes" : "no";
         break;
     case WORKSPACE: {
         unsigned int wsnum = (fbwin ? fbwin->workspaceNumber() : client.screen().currentWorkspaceID());
-        char tmpstr[128];
-        sprintf(tmpstr, "%d", wsnum);
-        return std::string(tmpstr);
+        return FbTk::StringUtil::number2String(wsnum);
         break;
     }
     case WORKSPACENAME: {
@@ -401,9 +395,7 @@ case HEAD: {
         if (!fbwin)
             return "";
         int head = client.screen().getHead(fbwin->fbWindow());
-        char tmpstr[128];
-        sprintf(tmpstr, "%d", head);
-        return std::string(tmpstr);
+        return FbTk::StringUtil::number2String(head);
         break;
     }
     case LAYER:
@@ -415,9 +407,7 @@ .isDemandingAttention(client) ? "yes" : "no";
         break;
     case SCREEN: {
         int screenId = client.screen().screenNumber();
-        char tmpstr[32];
-        sprintf(tmpstr, "%d", screenId);
-        return std::string(tmpstr);
+        return FbTk::StringUtil::number2String(screenId);
         break;
     }
     }

@@ -144,7 +144,6 @@ return pid;
 
     string displaystring("DISPLAY=");
     displaystring += DisplayString(FbTk::App::instance()->display());
-    char intbuff[64];
     int screen_num = m_screen_num;
     if (screen_num < 0) {
         if (Fluxbox::instance()->mouseScreen() == 0)
@@ -152,8 +151,6 @@ screen_num = 0;
         else
             screen_num = Fluxbox::instance()->mouseScreen()->screenNumber();
     }
-
-    sprintf(intbuff, "%d", screen_num);
 
     // get shell path from the environment
     // this process exits immediately, so we don't have to worry about memleaks
@@ -163,7 +160,7 @@ shell = "/bin/sh";
 
     // remove last number of display and add screen num
     displaystring.erase(displaystring.size()-1);
-    displaystring += intbuff;
+    displaystring += FbTk::StringUtil::number2String(screen_num);
 
     setsid();
     putenv(const_cast<char *>(displaystring.c_str()));

@@ -60,6 +60,13 @@ namespace FbTk {
 
 namespace StringUtil {
 
+
+std::string number2String(int num) {
+    char s[128];
+    sprintf(s, "%d", num);
+    return std::string(s);
+}
+
 /**
    Tries to find a string in another and
    ignoring the case of the characters

@@ -30,6 +30,8 @@ namespace FbTk {
 
 namespace StringUtil {
 
+/// creates a number to a string
+std::string number2String(int num);
 
 /// Similar to `strstr' but this function ignores the case of both strings
 const char *strcasestr(const char *str, const char *ptn);

@@ -22,16 +22,7 @@ 
 #ifndef LAYER_HH
 #define LAYER_HH
 
-#include <string>
-#include <cstdio>
-
-#ifdef HAVE_CSTRING
-  #include <cstring>
-#else
-  #include <string.h>
-#endif
-
-using std::string;
+#include "FbTk/StringUtil.hh"
 
 /** 
  * (This is not the layer->raise/lower handling stuff, @see FbTk::Layer)
@@ -54,52 +45,51 @@ };
 
     explicit Layer(int i) : m_num(i) {};
 
-    static int getNumFromString(const string &str) {
+    static int getNumFromString(const std::string &str) {
         int tempnum = 0;
+        std::string v = FbTk::StringUtil::toLower(str);
         if (sscanf(str.c_str(), "%d", &tempnum) == 1)
             return tempnum;
-        if (strcasecmp(str.c_str(), "Menu") == 0)
+        if (v == "menu")
             return ::Layer::MENU;
-        if (strcasecmp(str.c_str(), "AboveDock") == 0)
+        if (v == "abovedock")
             return ::Layer::ABOVE_DOCK;
-        if (strcasecmp(str.c_str(), "Dock") == 0)
+        if (v == "dock")
             return ::Layer::DOCK;
-        if (strcasecmp(str.c_str(), "Top") == 0)
+        if (v == "top")
             return ::Layer::TOP;
-        if (strcasecmp(str.c_str(), "Normal") == 0)
+        if (v == "normal")
             return ::Layer::NORMAL;
-        if (strcasecmp(str.c_str(), "Bottom") == 0)
+        if (v == "bottom")
             return ::Layer::BOTTOM;
-        if (strcasecmp(str.c_str(), "Desktop") == 0)
+        if (v == "desktop")
             return ::Layer::DESKTOP;
         return -1;
     }
 
-    static string getString(int num) {
+    static std::string getString(int num) {
         switch (num) {
         case ::Layer::MENU:
-            return string("Menu");
+            return std::string("Menu");
         case ::Layer::ABOVE_DOCK:
-            return string("AboveDock");
+            return std::string("AboveDock");
         case ::Layer::DOCK:
-            return string("Dock");
+            return std::string("Dock");
         case ::Layer::TOP:
-            return string("Top");
+            return std::string("Top");
         case ::Layer::NORMAL:
-            return string("Normal");
+            return std::string("Normal");
         case ::Layer::BOTTOM:
-            return string("Bottom");
+            return std::string("Bottom");
         case ::Layer::DESKTOP:
-            return string("Desktop");
+            return std::string("Desktop");
         default:
-            char tmpstr[128];
-            sprintf(tmpstr, "%d", num);
-            return string(tmpstr);
+           return FbTk::StringUtil::number2String(num);
         }
     }
 
     int getNum() const { return m_num; }
-    string getString() const { return getString(m_num); }
+    std::string getString() const { return getString(m_num); }
 
     Layer &operator=(int num) { m_num = num; return *this; }
 

@@ -1231,10 +1231,8 @@ 
 bool BScreen::addKdeDockapp(Window client) {
 
     XSelectInput(FbTk::App::instance()->display(), client, StructureNotifyMask);
-    char intbuff[16];
-    sprintf(intbuff, "%d", screenNumber());
     string atom_name("_NET_SYSTEM_TRAY_S");
-    atom_name += intbuff; // append number
+    atom_name += FbTk::StringUtil::number2String(screenNumber());
     // find the right atomhandler that has the name: _NET_SYSTEM_TRAY_S<num>
     AtomHandler *handler = Fluxbox::instance()->getAtomHandler(atom_name);
     FbTk::EventHandler *evh  = 0;

@@ -180,10 +180,8 @@ Fluxbox* fluxbox = Fluxbox::instance();
     Display *disp = fluxbox->display();
 
     // setup atom name to _NET_SYSTEM_TRAY_S<screen number>
-    char intbuff[16];
-    sprintf(intbuff, "%d", m_window.screenNumber());
     string atom_name("_NET_SYSTEM_TRAY_S");
-    atom_name += intbuff; // append number
+    atom_name += FbTk::StringUtil::number2String(m_window.screenNumber());
 
     // get selection owner and see if it's free
     Atom tray_atom = XInternAtom(disp, atom_name.c_str(), False);
@@ -232,10 +230,8 @@ Fluxbox* fluxbox = Fluxbox::instance();
     fluxbox->removeAtomHandler(m_handler.get());
     Display *disp = fluxbox->display();
     // setup atom name to _NET_SYSTEM_TRAY_S<screen number>
-    char intbuff[16];
-    sprintf(intbuff, "%d", m_window.screenNumber());
     string atom_name("_NET_SYSTEM_TRAY_S");
-    atom_name += intbuff; // append number
+    atom_name += FbTk::StringUtil::number2String(m_window.screenNumber());
 
     // get selection owner and see if it's free
     Atom tray_atom = XInternAtom(disp, atom_name.c_str(), False);