linux-master/lib/sort.c

139 static void do_swap(void *a, void *b, size_t size, swap_r_func_t swap_func, const void *priv)
141 	if (swap_func == SWAP_WRAPPER) {
146 	if (swap_func == SWAP_WORDS_64)
148 	else if (swap_func == SWAP_WORDS_32)
150 	else if (swap_func == SWAP_BYTES)
153 		swap_func(a, b, (int)size, priv);
197  * @swap_func: pointer to swap function or NULL
201  * a swap_func function if you need to do something more than a memory
212 	    swap_r_func_t swap_func,
224 	if (swap_func == SWAP_WRAPPER && !((struct wrapper *)priv)->swap)
225 		swap_func = NULL;
227 	if (!swap_func) {
229 			swap_func = SWAP_WORDS_64;
231 			swap_func = SWAP_WORDS_32;
233 			swap_func = SWAP_BYTES;
250 			do_swap(base, base + n, size, swap_func, priv);
254 			do_swap(base + a, base + n, size, swap_func, priv);
257 			do_swap(base, base + n, size, swap_func, priv);
285 			do_swap(base + b, base + c, size, swap_func, priv);
293 	  swap_func_t swap_func)
297 		.swap = swap_func,