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我的函數remove_duplicates應該刪除鏈接列表中的重複數據值。但是,當它到達鏈接列表中的某個點時,例如,如果鏈接列表是L = {10,10,20,30,30,30,40,50}
,則輸出爲L = {10,20,30,(some random int value like 23687328),50}
,應該是L = {10,20,30,40,50}
。另外,我正在檢查泄漏情況,Valgrind告訴我我在某處泄漏,但我找不到它。釋放和刪除鏈接列表中的重複項?
typedef struct node_t
{
int data;
struct node_t *next;
} node;
void remove_duplicates(node * head)
{
node* temp;
while (head != NULL && head->next != NULL)
{
while (head->data == head->next->data)
{
temp = head->next->next;
free(head->next);
head->next = temp;
}
head = head->next;
}
free(temp);
}
我使用的valgrind --leak檢查= YES ./llistprac和輸出
==24802== 80 (16 direct, 64 indirect) bytes in 1 blocks are definitely lost in loss record 5 of 5
==24802== at 0x4A069EE: malloc (vg_replace_malloc.c:270)
==24802== by 0x400575: append (in /home/llistprac)
==24802== by 0x4006D9: main (in /home/llistprac)
==24802==
==24802== LEAK SUMMARY:
==24802== definitely lost: 16 bytes in 1 blocks
==24802== indirectly lost: 64 bytes in 4 blocks
==24802== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 6 from 6)
有趣的是(至少對我來說),當我最終沒有釋放溫度時,它就起作用了!但是,我仍然在泄漏...... – Bourezg
當你說Valgrind告訴你你正在泄漏,但你找不到它時,你使用什麼參數以及Valgrind輸出是什麼? – kbshimmyo
你不應該需要釋放溫度。 – Duck