Initial commit after repository separation
This commit is contained in:
commit
a976b6c580
GPG Key ID:
F92BA85F61F4C173
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@ -0,0 +1,60 @@
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include config.mk
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ifeq (${CC},clang)
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CFLAGS :=\
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-std=c99\
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-Weverything\
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-Wno-padded\
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-Wno-disabled-macro-expansion\
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-pedantic\
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${CFLAGS}
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else ifeq (${CC},gcc)
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CFLAGS :=\
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-std=c99\
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-Wall\
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-Wextra\
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-Wformat-overflow=2\
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-Wformat-security\
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-Winit-self\
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-Wstrict-overflow=2\
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-Wstringop-overflow=2\
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-Walloc-zero\
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-Wduplicated-branches\
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-Wduplicated-cond\
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-Wtrampolines\
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-Wfloat-equal\
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-Wshadow\
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-Wunsafe-loop-optimizations\
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-Wparentheses\
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-pedantic\
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${CFLAGS}
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endif
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SRC = llist.c
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HDR = llist.h
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LIB = llist.a
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OBJ = ${SRC:.c=.o}
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all: ${LIB}
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.c.o:
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${CC} -c ${CFLAGS} $<
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${LIB}: ${OBJ}
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${AR} rc $@ $?
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${RANLIB} $@
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clean:
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rm -f ${LIB} ${OBJ}
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install: all
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mkdir -p "${DESTDIR}${PREFIX}/lib/corelibs"
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cp -f ${LIB} "${DESTDIR}${PREFIX}/lib/corelibs"
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mkdir -p "${DESTDIR}${PREFIX}/include/corelibs"
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cp -f ${HDR} "${DESTDIR}${PREFIX}/include/corelibs"
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.PHONY: all clean install
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@ -0,0 +1,7 @@
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VERSION = 1.0
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PREFIX = /usr/local
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CC = clang
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AR = llvm-ar
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RANLIB = llvm-ranlib
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@ -0,0 +1,215 @@
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/*
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* This file is part of corelibs. (https://git.redxen.eu/caskd/corelibs)
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* Copyright (c) 2021 Alex-David Denes
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*
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* corelibs is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* any later version.
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*
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* corelibs is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with corelibs. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "llist.h"
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#include <stdint.h> // uintmax_t
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#include <stdlib.h> // malloc() free()
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static llist_err corelibs_llist_create(void*, void (*)(void*), llist_t**);
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static llist_err corelibs_llist_link(llist_t*, llist_t*);
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static llist_err corelibs_llist_free(llist_t*);
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static llist_err corelibs_llist_set_cont(llist_t*, void*);
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static llist_err corelibs_llist_set_free(llist_t*, void (*)(void*));
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static llist_err corelibs_llist_get_next(const llist_t*, llist_t**);
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static llist_err corelibs_llist_get_prev(const llist_t*, llist_t**);
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static llist_err corelibs_llist_get_cont(const llist_t*, void**);
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static void corelibs_llist_remove(llist_t*);
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struct llist_t {
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struct llist_t *next, *prev;
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void* cont;
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void (*free)(void*);
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};
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enum { // Avoid collision in error numbers
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CORELIBS_LLIST_ERR_UNDEF = -3,
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CORELIBS_LLIST_ERR_NULL,
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CORELIBS_LLIST_ERR_ALLOC,
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CORELIBS_LLIST_ERR_UNK = 0,
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CORELIBS_LLIST_ERR_OK = 1,
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};
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struct corelibs_llist_interface const llist = {
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.create = corelibs_llist_create,
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.link = corelibs_llist_link,
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.free = corelibs_llist_free,
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.set = {
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.cont = corelibs_llist_set_cont,
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.free = corelibs_llist_set_free,
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},
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.get = {
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.prev = corelibs_llist_get_prev,
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.cont = corelibs_llist_get_cont,
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.next = corelibs_llist_get_next,
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},
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};
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static llist_err
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corelibs_llist_create(void* c, void (*const f)(void*), llist_t** s)
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{
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llist_err err = CORELIBS_LLIST_ERR_OK;
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llist_t* cur = malloc(sizeof(*cur));
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if (cur == NULL) {
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err = CORELIBS_LLIST_ERR_ALLOC;
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goto ret;
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}
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cur->prev = NULL;
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cur->next = NULL;
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cur->cont = c;
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cur->free = f;
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*s = cur;
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ret:
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return err;
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}
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static llist_err
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corelibs_llist_free(llist_t* l)
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{
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llist_err err = CORELIBS_LLIST_ERR_OK;
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if (l == NULL) {
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err = CORELIBS_LLIST_ERR_NULL;
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goto ret;
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}
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// Free previous elements if we have any
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if (l->prev != NULL) {
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for (llist_t* p = l->prev; p != NULL;) {
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llist_t* c = p;
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p = p->prev;
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corelibs_llist_remove(c);
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}
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}
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// Free current and next elements
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for (llist_t* p = l; p != NULL;) {
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llist_t* c = p;
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p = p->next;
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corelibs_llist_remove(c);
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}
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ret:
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return err;
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}
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static llist_err
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corelibs_llist_link(llist_t* a, llist_t* b)
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{
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llist_err err = CORELIBS_LLIST_ERR_OK;
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if (a == NULL && b == NULL) {
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err = CORELIBS_LLIST_ERR_NULL;
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goto ret;
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}
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if (a != NULL) a->next = b;
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if (b != NULL) b->prev = a;
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ret:
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return err;
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}
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static llist_err
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corelibs_llist_get_next(const llist_t* e, llist_t** save)
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{
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llist_err err = CORELIBS_LLIST_ERR_OK;
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if (e == NULL || save == NULL) {
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err = CORELIBS_LLIST_ERR_NULL;
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goto ret;
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}
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*save = e->next;
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ret:
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return err;
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}
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static llist_err
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corelibs_llist_get_prev(const llist_t* e, llist_t** save)
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{
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llist_err err = CORELIBS_LLIST_ERR_OK;
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if (e == NULL || save == NULL) {
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err = CORELIBS_LLIST_ERR_NULL;
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goto ret;
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}
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*save = e->prev;
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ret:
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return err;
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}
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static llist_err
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corelibs_llist_get_cont(const llist_t* e, void** save)
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{
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llist_err err = CORELIBS_LLIST_ERR_OK;
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if (e == NULL || save == NULL) {
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err = CORELIBS_LLIST_ERR_NULL;
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goto ret;
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}
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*save = e->cont;
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ret:
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return err;
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}
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static llist_err
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corelibs_llist_set_cont(llist_t* e, void* i)
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{
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llist_err err = CORELIBS_LLIST_ERR_OK;
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if (e == NULL) {
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err = CORELIBS_LLIST_ERR_NULL;
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goto ret;
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}
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e->cont = i;
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ret:
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return err;
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}
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static llist_err
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corelibs_llist_set_free(llist_t* e, void (*const f)(void*))
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{
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llist_err err = CORELIBS_LLIST_ERR_OK;
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if (e == NULL) {
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err = CORELIBS_LLIST_ERR_NULL;
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goto ret;
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}
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e->free = f;
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ret:
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return err;
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}
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// Private function
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static void
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corelibs_llist_remove(llist_t* e)
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{
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corelibs_llist_link(e->prev, e->next);
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if (e->free != NULL) e->free(e->cont);
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free(e);
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}
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@ -0,0 +1,51 @@
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/*
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* This file is part of corelibs. (https://git.redxen.eu/caskd/corelibs)
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* Copyright (c) 2021 Alex-David Denes
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*
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* corelibs is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* any later version.
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*
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* corelibs is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with corelibs. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef CORELIBS_GUARD_LLIST
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#define CORELIBS_GUARD_LLIST
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typedef struct llist_t llist_t;
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typedef signed short int llist_err;
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struct corelibs_llist_interface {
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llist_err (*const create)(void* content, void (*const free_function)(void*), llist_t** save);
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llist_err (*const link)(llist_t* element_a, llist_t* element_b);
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llist_err (*const free)(llist_t* element);
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const struct {
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llist_err (*const cont)(llist_t* element, void* content);
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llist_err (*const free)(llist_t* element, void (*const free_function)(void*));
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} set;
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const struct {
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llist_err (*const prev)(const llist_t* element, llist_t** save);
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llist_err (*const next)(const llist_t* element, llist_t** save);
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llist_err (*const cont)(const llist_t* element, void** save);
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} get;
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const struct {
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const llist_err ok, // No error
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unknown, // Unknown error
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undef; // Fetched element is undefined
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const struct {
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const llist_err null, // NULL address was passed
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alloc; // Allocation failed
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} mem;
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} err;
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};
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extern const struct corelibs_llist_interface llist;
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#endif /* CORELIBS_GUARD_LLIST */
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