animal shelter + adidas v1 .zip

C/C2 AnimalShelter/shared/administration.c

@@ -7,34 +7,39 @@
 #include "animal.h"
 
 int addAnimal(const Animal* animalPtr, Animal* animalArray, size_t animalArrayLength, size_t numberOfAnimalsPresent, size_t* newNumberOfAnimalsPresent){
-    int fault = 0;
-    if (animalArray == NULL || animalPtr == NULL || numberOfAnimalsPresent >= animalArrayLength) {
-        fault = -1; // Invalid
-    } else {
-        animalArray[numberOfAnimalsPresent] = *animalPtr;
-        ++numberOfAnimalsPresent;
+    if (animalArray == NULL || animalPtr == NULL || newNumberOfAnimalsPresent == NULL || numberOfAnimalsPresent >= animalArrayLength) {
+        return -1; // Invalid
     }
-    *newNumberOfAnimalsPresent = numberOfAnimalsPresent;
-    return fault;
+    animalArray[numberOfAnimalsPresent] = *animalPtr;
+    *newNumberOfAnimalsPresent = numberOfAnimalsPresent + 1;
+    return 0;
 }
 
 int removeAnimal(int animalId, Animal* animalArray, size_t numberOfAnimalsPresent, size_t* newNumberOfAnimalsPresent){
     int fault = -1;
+    size_t removedCount = 0;
+    
     if (animalArray == NULL || numberOfAnimalsPresent == 0) {
         fault = -1; // Invalid
     } else {
-        for (size_t i = 0; i < numberOfAnimalsPresent; ++i) {
-            if (animalArray[i].Id == animalId) {
-                // move the array elements to the left to remove the animal
-                for (size_t j = i; j < numberOfAnimalsPresent - 1; ++j) {
-                    animalArray[j] = animalArray[j + 1];
+        size_t writeIndex = 0;
+        
+        // Copy only animals that don't match the ID
+        for (size_t readIndex = 0; readIndex < numberOfAnimalsPresent; ++readIndex) {
+            if (animalArray[readIndex].Id != animalId) {
+                if (writeIndex != readIndex) {
+                    animalArray[writeIndex] = animalArray[readIndex];
                 }
-                --numberOfAnimalsPresent;
-                fault = 0;
-                break;
+                writeIndex++;
+            } else {
+                removedCount++;
+                fault = 0;  // Found some animal(s) to remove
             }
         }
+        // Update the number of animals present
+        numberOfAnimalsPresent -= removedCount;
     }
+    
     *newNumberOfAnimalsPresent = numberOfAnimalsPresent;
     return fault;
 }