Increase some Buffers and Switch to snprintf

Increase the buffers to be large enough for a 32bit
integer. And switch to snprintf.

Author: ChristianTackeGSI

examples/simulation/rutherford/src/FairRutherfordGeo.cxx

@@ -29,7 +29,7 @@ const char* FairRutherfordGeo::getModuleName(Int_t m)
       ASCII file should start with FairRutherford otherwise they will
       not be constructed
   */
-    sprintf(modName, "rutherford%i", m + 1);
+    snprintf(modName, sizeof(modName), "rutherford%i", m + 1);
     return modName;
 }
 

examples/simulation/rutherford/src/FairRutherfordGeo.h

@@ -17,7 +17,7 @@ class FairRutherfordGeo : public FairGeoSet
 {
 
   protected:
-    char modName[20];   // name of module
+    char modName[22];   // name of module
     char eleName[20];   // substring for elements in module
   public:
     FairRutherfordGeo();

geobase/FairGeoRootBuilder.cxx

@@ -127,8 +127,8 @@ Bool_t FairGeoRootBuilder::createNode(FairGeoNode* volu, Int_t hadFormat)
             tr = new TGeoTranslation(pos.getX(), pos.getY(), pos.getZ());
         } else {
             nRot++;
-            char b[10];
-            sprintf(b, "R%i", nRot);
+            char b[13];
+            snprintf(b, sizeof(b), "R%i", nRot);
             TGeoRotation* r = new TGeoRotation(b);
             Double_t a[9];
             for (Int_t i = 0; i < 9; i++) {