SDL/src/SDL_list.c
Sam Lantinga b8d85c6939 Update for SDL3 coding style (#6717)
I updated .clang-format and ran clang-format 14 over the src and test directories to standardize the code base.

In general I let clang-format have it's way, and added markup to prevent formatting of code that would break or be completely unreadable if formatted.

The script I ran for the src directory is added as build-scripts/clang-format-src.sh

This fixes:
#6592
#6593
#6594

(cherry picked from commit 5750bcb174300011b91d1de20edb288fcca70f8c)
2022-11-30 12:57:41 -08:00

90 lines
2.1 KiB
C

/*
Simple DirectMedia Layer
Copyright (C) 1997-2022 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#include "./SDL_internal.h"
#include "SDL.h"
#include "./SDL_list.h"
/* Push */
int SDL_ListAdd(SDL_ListNode **head, void *ent)
{
SDL_ListNode *node = SDL_malloc(sizeof(*node));
if (node == NULL) {
return SDL_OutOfMemory();
}
node->entry = ent;
node->next = *head;
*head = node;
return 0;
}
/* Pop from end as a FIFO (if add with SDL_ListAdd) */
void SDL_ListPop(SDL_ListNode **head, void **ent)
{
SDL_ListNode **ptr = head;
/* Invalid or empty */
if (head == NULL || *head == NULL) {
return;
}
while ((*ptr)->next) {
ptr = &(*ptr)->next;
}
if (ent) {
*ent = (*ptr)->entry;
}
SDL_free(*ptr);
*ptr = NULL;
}
void SDL_ListRemove(SDL_ListNode **head, void *ent)
{
SDL_ListNode **ptr = head;
while (*ptr) {
if ((*ptr)->entry == ent) {
SDL_ListNode *tmp = *ptr;
*ptr = (*ptr)->next;
SDL_free(tmp);
return;
}
ptr = &(*ptr)->next;
}
}
void SDL_ListClear(SDL_ListNode **head)
{
SDL_ListNode *l = *head;
*head = NULL;
while (l) {
SDL_ListNode *tmp = l;
l = l->next;
SDL_free(tmp);
}
}
/* vi: set ts=4 sw=4 expandtab: */