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du4.2

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This commit is contained in:
Alina Konoval 2025-11-06 20:58:45 +01:00
parent be3d77502c
commit b9d90d148d
1 changed files with 7 additions and 3 deletions
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10
du4/a_train.c
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@ -31,11 +31,15 @@ void print_train(struct car* first) {
} }
void cancel_train(struct car* first) { void cancel_train(struct car* first) {
if (first == NULL) return; while (first) {
cancel_train(first->next); struct car* next = first->next;
free(first); first->next = NULL; // ochrana proti cyklom alebo neplatnému next
free(first);
first = next;
}
} }
struct car* clear_train(struct car* first, const char* name) { struct car* clear_train(struct car* first, const char* name) {
// Ak je zoznam prázdny // Ak je zoznam prázdny