From a4dd0ad63c00f4dee3b86dfd3075d1d61b2b3180 Mon Sep 17 00:00:00 2001 From: sanine Date: Sat, 27 Aug 2022 23:52:56 -0500 Subject: add plibsys --- 3rdparty/plibsys/src/plist.c | 174 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 174 insertions(+) create mode 100644 3rdparty/plibsys/src/plist.c (limited to '3rdparty/plibsys/src/plist.c') diff --git a/3rdparty/plibsys/src/plist.c b/3rdparty/plibsys/src/plist.c new file mode 100644 index 0000000..ccb5dee --- /dev/null +++ b/3rdparty/plibsys/src/plist.c @@ -0,0 +1,174 @@ +/* + * The MIT License + * + * Copyright (C) 2010-2016 Alexander Saprykin + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * 'Software'), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "pmem.h" +#include "plist.h" + +#include + +P_LIB_API PList * +p_list_append (PList *list, ppointer data) +{ + PList *item, *cur; + + if (P_UNLIKELY ((item = p_malloc0 (sizeof (PList))) == NULL)) { + P_ERROR ("PList::p_list_append: failed to allocate memory"); + return list; + } + + item->data = data; + + /* List is empty */ + if (P_UNLIKELY (list == NULL)) + return item; + + for (cur = list; cur->next != NULL; cur = cur->next) + ; + cur->next = item; + + return list; +} + +P_LIB_API PList * +p_list_remove (PList *list, ppointer data) +{ + PList *cur, *prev, *head; + + if (P_UNLIKELY (list == NULL)) + return NULL; + + for (head = list, prev = NULL, cur = list; cur != NULL; prev = cur, cur = cur->next) { + if (cur->data == data) { + if (prev == NULL) + head = cur->next; + else + prev->next = cur->next; + + p_free (cur); + + break; + } + } + + return head; +} + +P_LIB_API void +p_list_foreach (PList *list, PFunc func, ppointer user_data) +{ + PList *cur; + + if (P_UNLIKELY (list == NULL || func == NULL)) + return; + + for (cur = list; cur != NULL; cur = cur->next) + func (cur->data, user_data); +} + +P_LIB_API void +p_list_free (PList *list) +{ + PList *cur, *next; + + if (P_UNLIKELY (list == NULL)) + return; + + for (next = cur = list; cur != NULL && next != NULL; cur = next) { + next = cur->next; + p_free (cur); + } +} + +P_LIB_API PList * +p_list_last (PList *list) +{ + PList *cur; + + if (P_UNLIKELY (list == NULL)) + return NULL; + + for (cur = list; cur->next != NULL; cur = cur->next) + ; + + return cur; +} + +P_LIB_API psize +p_list_length (const PList *list) +{ + const PList *cur; + psize ret; + + if (P_UNLIKELY (list == NULL)) + return 0; + + for (cur = list, ret = 1; cur->next != NULL; cur = cur->next, ++ret) + ; + + return ret; +} + +P_LIB_API PList * +p_list_prepend (PList *list, ppointer data) +{ + PList *item; + + if (P_UNLIKELY ((item = p_malloc0 (sizeof (PList))) == NULL)) { + P_ERROR ("PList::p_list_prepend: failed to allocate memory"); + return list; + } + + item->data = data; + + /* List is empty */ + if (P_UNLIKELY (list == NULL)) + return item; + + item->next = list; + + return item; +} + +P_LIB_API PList * +p_list_reverse (PList *list) +{ + PList *prev, *cur, *tmp; + + if (P_UNLIKELY (list == NULL)) + return NULL; + + prev = list; + cur = list->next; + prev->next = NULL; + + while (cur != NULL) { + tmp = cur->next; + cur->next = prev; + prev = cur; + cur = tmp; + } + + return prev; +} -- cgit v1.2.1