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Изменил(а) на 'cv4/a_train.c'

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This commit is contained in:
Oleksandr Hryshchenko 2021-11-05 08:40:52 +00:00
parent ac53ed8b42
commit 4859bc0ecc
1 changed files with 22 additions and 7 deletions
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27
cv4/a_train.c
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@ -7,7 +7,7 @@ struct car* add_car(struct car* first, const char* target){
if(!strcmp(target, "")) if(!strcmp(target, ""))
return NULL; return NULL;
if(!first){ if(!first || !strcmp(first->value, "")){
first = (struct car*)calloc(1, sizeof(struct car)); first = (struct car*)calloc(1, sizeof(struct car));
strcpy(first->value, target); strcpy(first->value, target);
first->next = NULL; first->next = NULL;
@ -16,12 +16,12 @@ struct car* add_car(struct car* first, const char* target){
struct car* temp = first; struct car* temp = first;
while(temp->next != NULL) while(temp != NULL)
temp = temp->next; temp = temp->next;
temp->next = (struct car*)calloc(1, sizeof(struct car)); temp = (struct car*)calloc(1, sizeof(struct car));
strcpy(temp->next->value, target); strcpy(temp->value, target);
temp->next->next = NULL; temp->next = NULL;
return first; return first;
} }
@ -59,8 +59,14 @@ struct car* clear_train(struct car* first, const char* target){
while(temp != NULL){ while(temp != NULL){
next = temp->next; next = temp->next;
if(!strcmp(temp->value, target)) if(!strcmp(temp->value, target)) {
if(temp == first) {
free(first);
first = NULL;
}
else
free(temp); free(temp);
}
temp = next; temp = next;
if(!first) if(!first)
first = temp; first = temp;
@ -68,3 +74,12 @@ struct car* clear_train(struct car* first, const char* target){
return first; return first;
} }
int main(){
struct car* myCar = (struct car*)calloc(1, sizeof(struct car));
myCar = add_car(myCar, "Kosice");
print_train(myCar);
myCar = clear_train(myCar, "Kosice");
print_train(myCar);
return 0;
}