refactoring: replaced printf with printText

src/userinput.c

@@ -20,6 +20,12 @@ char **fakeInput = NULL;
         name##ld = &name##ldvalue;\
     }
 
+void printText(char *text) {
+    if (fakeInput == NULL) {
+        printf("%s", text);
+        fflush(stdout);
+    }
+}
 
 void trimLeft(char *input) {
     size_t length = strlen(input);
@@ -44,7 +50,7 @@ void trimRight(char *input) {
 char *readInput() {
     if (fakeInput != NULL) {
         if (fakeInput[0] == NULL) {
-            printf("The given list of inputs in the test was exceeded!\n");
+            printText("The given list of inputs in the test was exceeded!\n");
             exit(1);
         }
         char *result = malloc(strlen(fakeInput[0])*sizeof(char) + 1);
@@ -75,54 +81,58 @@ char *readInput() {
     return buffer;
 }
 
+void printlf(long double value) {
+    if (fakeInput != NULL) {
+        return;
+    }
+    if (roundl(value) == value) {
+        printf("%.0Lf", value);
+    }
+    else {
+        printf("%Lf", value);
+    }
+}
+
 char *gets(char *message, unsigned long *minLength, unsigned long *maxLength) {
-    printf("%s", message);
-    fflush(stdout);
+    printText(message);
     char *result = readInput();
     while (minLength != NULL && strlen(result) < *minLength || maxLength != NULL && strlen(result) > *maxLength) {
-        printf("%s", "Ungueltige Eingabe! ");
+        printText("Ungueltige Eingabe! ");
         if (minLength != NULL && maxLength == NULL) {
-            printf("Die Eingabe muss mind. %lu Zeichen lang sein.\n", *minLength);
+            printText("Die Eingabe muss mind. ");
+            printlf(*minLength);
+            printText(" Zeichen lang sein.\n");
         }
         else if (maxLength != NULL && minLength == NULL) {
-            printf("Die Eingabe darf maximal %lu Zeichen lang sein.\n", *maxLength);
+            printf("Die Eingabe darf maximal ");
+            printlf(*maxLength);
+            printText(" Zeichen lang sein.\n");
         }
         else {
-            printf("Die Eingabe muss %lu bis %lu Zeichen lang sein.\n", *minLength, *maxLength);
+            printText("Die Eingabe muss ");
+            printlf(*minLength);
+            printText(" bis ");
+            printlf(*maxLength);
+            printText(" Zeichen lang sein.\n");
         }
-        printf("%s", message);
-        fflush(stdout);
+        printText(message);
         result = readInput();
     }
     return result;
 }
 
-void printlf(long double value) {
-    if (fakeInput != NULL) {
-        return;
-    }
-    if (roundl(value) == value) {
-        printf("%.0Lf", value);
-    }
-    else {
-        printf("%Lf", value);
-    }
-}
-
 long double getNumber(char *message, long double *min, long double *max, long double *greaterThan, long double *smallerThan, long double leftBorder, long double rightBorder) {
     while (1) {
         char *input = gets(message, NULL, NULL);
         if (strlen(input) == 0) {
-            printf("%s\n", "Fehlende Eingabe!");
-            fflush(stdout);
+            printText("Fehlende Eingabe!\n");
             free(input);
             continue;
         }
         char *endptr;
         long double number = strtold(input, &endptr);
         if (strlen(endptr) > 0) {
-            printf("%s\n", "Ungueltige Eingabe! Gib eine gueltige Zahl ein.");
-            fflush(stdout);
+            printText("Ungueltige Eingabe! Gib eine gueltige Zahl ein.\n");
             free(input);
             continue;
         }
@@ -149,33 +159,32 @@ long double getNumber(char *message, long double *min, long double *max, long do
         if (isValid) {
             return number;
         }
-        printf("Ungueltige Eingabe! Fuer die eingegebene Zahl muss gelten:");
+        printText("Ungueltige Eingabe! Fuer die eingegebene Zahl muss gelten:");
         if (min != NULL) {
-            printf(" >=");
+            printText(" >=");
             printlf(*min);
         }
         if (max != NULL) {
-            printf(" <=");
+            printText(" <=");
             printlf(*max);
         }
         if (greaterThan != NULL) {
-            printf(" >");
+            printText(" >");
             printlf(*greaterThan);
         }
         if (smallerThan != NULL) {
-            printf(" <");
+            printText(" <");
             printlf(*smallerThan);
         }
         if (min == NULL && greaterThan == NULL) {
-            printf(" >=");
+            printText(" >=");
             printlf(leftBorder);
         }
         if (max == NULL && smallerThan == NULL) {
-            printf(" <=");
+            printText(" <=");
             printlf(rightBorder);
         }
-        printf("\n");
-        fflush(stdout);
+        printText("\n");
     }
 }