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opt: optimize code struct for exchange_two_client

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DreamMaoMao 2026-05-18 21:33:16 +08:00
parent 50e1b652b2
commit adeaaada45
6 changed files with 266 additions and 267 deletions
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32
src/common/util.c
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@ -174,3 +174,35 @@ char *string_printf(const char *fmt, ...) {
va_end(args);
return str;
}
void wl_list_swap(struct wl_list *l1, struct wl_list *l2) {
struct wl_list *tmp1_prev = l1->prev;
struct wl_list *tmp2_prev = l2->prev;
struct wl_list *tmp1_next = l1->next;
struct wl_list *tmp2_next = l2->next;
if (l1->next == l2) { /* l1 -> l2 相邻 */
l1->next = l2->next;
l1->prev = l2;
l2->next = l1;
l2->prev = tmp1_prev;
tmp1_prev->next = l2;
tmp2_next->prev = l1;
} else if (l2->next == l1) { /* l2 -> l1 相邻 */
l2->next = l1->next;
l2->prev = l1;
l1->next = l2;
l1->prev = tmp2_prev;
tmp2_prev->next = l1;
tmp1_next->prev = l2;
} else { /* 不相邻 */
l2->next = tmp1_next;
l2->prev = tmp1_prev;
l1->next = tmp2_next;
l1->prev = tmp2_prev;
tmp1_prev->next = l2;
tmp1_next->prev = l2;
tmp2_prev->next = l1;
tmp2_next->prev = l1;
}
}

3
src/common/util.h
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@ -11,4 +11,5 @@ uint32_t timespec_to_ms(struct timespec *ts);
char *join_strings(char *arr[], const char *sep);
char *join_strings_with_suffix(char *arr[], const char *suffix,
const char *sep);
char *string_printf(const char *fmt, ...);
char *string_printf(const char *fmt, ...);
void wl_list_swap(struct wl_list *l1, struct wl_list *l2);