fix: remove security warnings

* Merge pull request #208 from jerzyjamroz/codeql

Author: jerzyjamroz

evgMrmApp/src/evgEvtClk.cpp

@@ -1,11 +1,11 @@
 
 #include <stdio.h>
-#include <errlog.h> 
+#include <errlog.h>
 #include <stdexcept>
 #include <sstream>
 
-#include <mrfCommonIO.h> 
-#include <mrfCommon.h> 
+#include <mrfCommonIO.h>
+#include <mrfCommon.h>
 #include <mrfFracSynth.h>
 
 #include "evgMrm.h"
@@ -39,7 +39,7 @@ evgMrm::setRFFreq (epicsFloat64 RFref) {
 
 epicsFloat64
 evgMrm::getRFFreq() const {
-    return m_RFref;    
+    return m_RFref;
 }
 
 void
@@ -67,7 +67,7 @@ evgMrm::setFracSynFreq(epicsFloat64 freq) {
     epicsUInt32 controlWord = FracSynthControlWord (freq, MRF_FRAC_SYNTH_REF, 0, &error);
     if ((!controlWord) || (error > 100.0)) {
         char err[80];
-        sprintf(err, "Cannot set event clock speed to %f MHz.\n", freq);            
+        snprintf(err, sizeof(err), "Cannot set event clock speed to %f MHz.\n", freq);
         std::string strErr(err);
         throw std::runtime_error(strErr);
     }

evrMrmApp/src/drvemCML.cpp

@@ -367,10 +367,10 @@ MRMCML::getPattern(pattern p, unsigned char *buf, epicsUInt32 blen) const
     for(epicsUInt32 i=0; i<blen; i++) {
         size_t cmlword = (i/mult);
         size_t cmlbit  = (i%mult);
-    
+
         size_t cpuword, cpubit;
         bool first; // first bit in CPU word
-    
+
         if(mult<32) {
             first = cmlbit==0;
             cpuword = cmlword;
@@ -386,11 +386,11 @@ MRMCML::getPattern(pattern p, unsigned char *buf, epicsUInt32 blen) const
             cpubit  = cmlbit<8 ? 7-cmlbit : 31-(cmlbit-8);
 #endif
         }
-    
+
         if(first) {
             val=shadowPattern[p][cpuword];
         }
-    
+
         buf[i]=val>>cpubit;
         buf[i]&=0x1;
     }
@@ -517,7 +517,7 @@ MRMCML::syncPattern(pattern p)
     case cmlModePattern:
         switch(p) {
         case patternWaveform:
-            for(size_t i=0; i<shadowWaveformlength*wordlen; i++)
+            for(size_t i=0; i<(size_t)shadowWaveformlength*wordlen; i++)
                 WRITE32(base, OutputCMLPat(N, i), shadowPattern[patternWaveform][i]);
             break;
         default: