60 lines
2.0 KiB
C
60 lines
2.0 KiB
C
#include "administration.h"
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "animal.h"
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int addAnimal(const Animal* animalPtr, Animal* animalArray, size_t animalArrayLength, size_t numberOfAnimalsPresent, size_t* newNumberOfAnimalsPresent){
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int fault = 0;
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if (animalArray == NULL || animalPtr == NULL || numberOfAnimalsPresent >= animalArrayLength) {
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fault = -1; // Invalid
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} else {
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animalArray[numberOfAnimalsPresent] = *animalPtr;
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++numberOfAnimalsPresent;
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}
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*newNumberOfAnimalsPresent = numberOfAnimalsPresent;
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return fault;
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}
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int removeAnimal(int animalId, Animal* animalArray, size_t numberOfAnimalsPresent, size_t* newNumberOfAnimalsPresent){
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int fault = -1;
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if (animalArray == NULL || numberOfAnimalsPresent == 0) {
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fault = -1; // Invalid
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} else {
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for (size_t i = 0; i < numberOfAnimalsPresent; ++i) {
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if (animalArray[i].Id == animalId) {
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// move the array elements to the left to remove the animal
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for (size_t j = i; j < numberOfAnimalsPresent - 1; ++j) {
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animalArray[j] = animalArray[j + 1];
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}
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--numberOfAnimalsPresent;
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fault = 0;
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break;
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}
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}
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}
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*newNumberOfAnimalsPresent = numberOfAnimalsPresent;
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return fault;
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}
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int findAnimalById(int animalId, const Animal* animalArray, size_t numberOfAnimalsPresent, Animal* foundAnimal) {
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int fault = -1;
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if (animalArray == NULL || numberOfAnimalsPresent == 0 || foundAnimal == NULL) {
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fault = -1;
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} else {
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for (size_t i = 0; i < numberOfAnimalsPresent; i++) {
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if (animalArray[i].Id == animalId) {
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*foundAnimal = animalArray[i];
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fault = 0;
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break; // Exit loop after finding the animal
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}
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}
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if (fault == -1) { // Only zero out if animal wasn't found
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memset(foundAnimal, 0, sizeof(Animal));
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}
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}
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return fault;
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}
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