fix formular parse detection bug

src/inputHandling.c

@@ -25,13 +25,12 @@ void input() {
     } else {
         printf("Formular %s not supported", temp.formel);
     }
-
 }
 
 //Leerzeichen löschen
 void deleteWhitespace(){
     for(int i=0; i<STRINGL; i++){
-        if(a[i]==' '){
+        if((a[i]==' ')||(a[i]=='\n')||(a[i]=='\r')){
             for (int j=i; j<STRINGL; j++){
            a[j]=a[j+1];
             }
@@ -48,6 +47,7 @@ op readFunction(char* data, int length){
             case '/': return opDiv;
             case '*': return opMult;
             case '^': return opExp;
+            case '\0': return opEmpty;
         }
     }
     return opNotSupported;
@@ -83,10 +83,10 @@ char* getnumbers(char* data, int length, calc_op* structure_ref){ //input sind:
         token = strtok(NULL, "+"); //Sucht von der letzten Plus-Stelle an weiter
     }
     structure_ref->arraylength=i; //Länge des Arrays (also zu berechnende Zahlen) gespeichert
-    if (readFunction(splitPnt, strlen(splitPnt)!=opNotSupported)){
-        return splitPnt;
-    } else {
+    if (readFunction(splitPnt, strlen(splitPnt)+1)!=opNotSupported){
         return NULL;
+    } else {
+        return splitPnt;
     }
 }
 

src/inputHandling.h

@@ -2,7 +2,7 @@
 #define INPUTHANDLING_H
 
 typedef enum{
-    opAdd, opSub, opDiv, opMult, opExp, opLog, opNotSupported
+    opAdd, opSub, opDiv, opMult, opExp, opLog, opEmpty, opNotSupported
 }op;
 
 typedef struct {