588 lines
41 KiB
C
588 lines
41 KiB
C
/*
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* M*LIB - LIST module
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*
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* Copyright (c) 2017, Patrick Pelissier
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* All rights reserved.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* + Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* + Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __M_LIST_H
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#define __M_LIST_H
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#include <stdbool.h>
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#include <stdlib.h>
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#include <assert.h>
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#include <string.h>
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#include "m-core.h"
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/* Define a list of a given type.
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USAGE: LIST_DEF(name, type [, oplist_of_the_type]) */
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#define LIST_DEF(name, ...) \
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M_IF_NARGS_EQ1(__VA_ARGS__) \
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(LISTI_DEF2(name, __VA_ARGS__, M_DEFAULT_OPLIST ), \
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LISTI_DEF2(name, __VA_ARGS__ ))
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/* Define the oplist of a list of type.
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USAGE: LIST_OPLIST(name [, oplist_of_the_type]) */
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#define LIST_OPLIST(...) \
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M_IF_NARGS_EQ1(__VA_ARGS__) \
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(LISTI_OPLIST(__VA_ARGS__, M_DEFAULT_OPLIST ), \
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LISTI_OPLIST(__VA_ARGS__ ))
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/********************************** INTERNAL ************************************/
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#define LISTI_OPLIST(name, oplist) \
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(INIT(M_C3(list_, name, _init)), \
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INIT_SET(M_C3(list_, name, _init_set)), \
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SET(M_C3(list_, name, _set)), \
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CLEAR(M_C3(list_, name, _clear)), \
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MOVE(M_C3(list_, name, _move)), \
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INIT_MOVE(M_C3(list_, name, _init_move)), \
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SWAP(M_C3(list_, name, _swap)), \
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TYPE(M_C3(list_,name,_t)), \
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SUBTYPE(M_C3(list_type_,name,_t)), \
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IT_TYPE(M_C3(list_it_,name,_t)), \
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IT_FIRST(M_C3(list_,name,_it)), \
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IT_END(M_C3(list_,name,_it_end)), \
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IT_SET(M_C3(list_,name,_it_set)), \
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IT_END_P(M_C3(list_,name,_end_p)), \
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IT_EQUAL_P(M_C3(list_,name,_it_equal_p)), \
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IT_LAST_P(M_C3(list_,name,_last_p)), \
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IT_NEXT(M_C3(list_,name,_next)), \
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IT_REF(M_C3(list_,name,_ref)), \
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IT_CREF(M_C3(list_,name,_cref)), \
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CLEAN(M_C3(list_,name,_clean)), \
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PUSH(M_C3(list_,name,_push_back)), \
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POP(M_C3(list_,name,_pop_back)) \
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,REVERSE(M_C3(list_,name,_reverse)) \
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,OPLIST(oplist) \
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,M_IF_METHOD(GET_STR, oplist)(GET_STR(M_C3(list_, name, _get_str)),) \
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,M_IF_METHOD(OUT_STR, oplist)(OUT_STR(M_C3(list_, name, _out_str)),) \
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,M_IF_METHOD(IN_STR, oplist)(IN_STR(M_C3(list_, name, _in_str)),) \
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,M_IF_METHOD(EQUAL, oplist)(EQUAL(M_C3(list_, name, _equal_p)),) \
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,M_IF_METHOD(HASH, oplist)(HASH(M_C3(list_, name, _hash)),) \
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,M_IF_METHOD(NEW, oplist)(NEW(M_GET_NEW oplist),) \
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,M_IF_METHOD(REALLOC, oplist)(REALLOC(M_GET_REALLOC oplist),) \
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,M_IF_METHOD(DEL, oplist)(DEL(M_GET_DEL oplist),) \
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)
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#define LISTI_DEF2(name, type, oplist) \
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typedef struct M_C3(list_, name, _s) { \
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struct M_C3(list_, name, _s) *next; \
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type data; \
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} *M_C3(list_, name,_t)[1]; \
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\
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typedef type M_C3(list_type_,name, _t); \
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\
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typedef struct M_C3(list_it_, name, _s) { \
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struct M_C3(list_, name, _s) *previous; \
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M_C3(list_, name,_t) l; \
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} M_C3(list_it_, name,_t)[1]; \
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\
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typedef union { \
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type *ptr; \
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const type *cptr; \
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} M_C3(list_union_, name,_t); \
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\
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static inline const type * \
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M_C3(list_, name, _const_cast)(type *ptr) \
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{ \
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M_C3(list_union_, name,_t) u; \
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u.ptr = ptr; \
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return u.cptr; \
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} \
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\
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static inline void \
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M_C3(list_, name, _init)(M_C3(list_, name,_t) v) \
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{ \
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assert( v != NULL); \
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*v = NULL; \
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} \
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\
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static inline void \
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M_C3(list_, name, _clean)(M_C3(list_, name,_t) v) \
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{ \
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assert (v != NULL); \
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struct M_C3(list_, name, _s) *it = *v; \
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while (it != NULL) { \
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struct M_C3(list_, name, _s) *next = it->next; \
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M_GET_CLEAR oplist(it->data); \
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M_GET_DEL oplist (it); \
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it = next; \
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} \
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*v = NULL; \
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} \
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\
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static inline void \
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M_C3(list_, name, _clear)(M_C3(list_, name,_t) v) \
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{ \
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M_C3(list_, name, _clean)(v); \
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} \
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\
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static inline const type * \
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M_C3(list_, name, _back)(const M_C3(list_, name,_t) v) \
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{ \
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assert(v != NULL && *v != NULL); \
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return M_C3(list_, name, _const_cast)(&((*v)->data)); \
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} \
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\
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static inline type * \
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M_C3(list_, name, _push_raw)(M_C3(list_, name,_t) v) \
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{ \
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assert (v != NULL); \
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struct M_C3(list_, name, _s) *next; \
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next = M_GET_NEW oplist (struct M_C3(list_, name, _s)); \
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if (M_UNLIKELY (next == NULL)) { \
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M_MEMORY_FULL(sizeof (struct M_C3(list_, name, _s))); \
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return NULL; \
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} \
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type *ret = &next->data; \
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next->next = *v; \
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*v = next; \
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return ret; \
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} \
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\
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static inline void \
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M_C3(list_, name, _push_back)(M_C3(list_, name,_t) v, type const x) \
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{ \
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type *data = M_C3(list_, name, _push_raw)(v); \
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if (M_UNLIKELY (data == NULL)) \
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return; \
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M_GET_INIT_SET oplist(*data, x); \
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} \
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\
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static inline type * \
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M_C3(list_, name, _push_new)(M_C3(list_, name,_t) v) \
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{ \
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type *data = M_C3(list_, name, _push_raw)(v); \
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if (M_UNLIKELY (data == NULL)) \
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return NULL; \
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M_GET_INIT oplist(*data); \
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return data; \
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} \
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\
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static inline void \
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M_C3(list_, name, _pop_back)(type *data, M_C3(list_, name,_t) v) \
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{ \
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assert(v != NULL && *v != NULL); \
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if (data != NULL) { \
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M_GET_SET oplist(*data, (*v)->data); \
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} \
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M_GET_CLEAR oplist((*v)->data); \
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struct M_C3(list_, name, _s) *tofree = *v; \
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*v = (*v)->next; \
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M_GET_DEL oplist (tofree); \
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} \
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\
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static inline bool \
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M_C3(list_, name, _empty_p)(const M_C3(list_, name,_t) v) \
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{ \
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assert (v!= NULL); \
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return *v == NULL; \
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} \
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\
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static inline void \
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M_C3(list_, name, _swap)(M_C3(list_, name,_t) l, \
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M_C3(list_, name,_t) v) \
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{ \
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assert (v != NULL && l != NULL); \
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struct M_C3(list_, name, _s) *tmp = *l; \
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*l = *v; \
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*v = tmp; \
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} \
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\
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static inline void \
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M_C3(list_, name, _it)(M_C3(list_it_, name,_t) l, \
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const M_C3(list_, name,_t) v) \
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{ \
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assert (v != NULL && l[0].l != NULL); \
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l[0].l[0] = *v; \
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l[0].previous = NULL; \
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} \
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\
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static inline void \
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M_C3(list_, name, _it_set)(M_C3(list_it_, name,_t) it1, \
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const M_C3(list_it_, name,_t) it2) \
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{ \
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assert (it1 != NULL && it2 != NULL); \
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it1[0].l[0] = it2[0].l[0]; \
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it1[0].previous = it2[0].previous; \
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} \
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\
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static inline void \
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M_C3(list_, name, _it_end)(M_C3(list_it_, name,_t) it1, \
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const M_C3(list_, name,_t) v) \
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{ \
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assert (it1 != NULL && v != NULL); \
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(void)v; /* unused */ \
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it1[0].l[0] = NULL; \
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it1[0].previous = NULL; \
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} \
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\
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static inline bool \
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M_C3(list_, name, _end_p)(const M_C3(list_it_, name,_t) v) \
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{ \
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assert (v!= NULL); \
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return v[0].l[0] == NULL; \
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} \
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\
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static inline bool \
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M_C3(list_, name, _last_p)(const M_C3(list_it_, name,_t) v) \
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{ \
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assert (v!= NULL); \
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return v[0].l[0] == NULL || v[0].l[0]->next == NULL; \
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} \
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\
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static inline void \
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M_C3(list_, name, _next)(M_C3(list_it_, name,_t) tail) \
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{ \
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assert(tail != NULL && tail[0].l[0] != NULL); \
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tail[0].previous = tail[0].l[0]; \
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tail[0].l[0] = tail[0].l[0]->next; \
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} \
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\
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static inline bool \
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M_C3(list_, name, _it_equal_p)(const M_C3(list_it_, name,_t) it1, \
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const M_C3(list_it_, name,_t) it2) \
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{ \
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assert(it1 != NULL && it2 != NULL); \
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return it1[0].l[0] == it2[0].l[0]; \
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} \
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\
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static inline type * \
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M_C3(list_, name, _ref)(M_C3(list_it_, name,_t) v) \
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{ \
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assert(v != NULL && v[0].l[0] != NULL); \
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return &(v[0].l[0]->data); \
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} \
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\
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static inline const type * \
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M_C3(list_, name, _cref)(const M_C3(list_it_, name,_t) v) \
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{ \
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assert(v != NULL && v[0].l[0] != NULL); \
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return M_C3(list_, name, _const_cast)(&(v[0].l[0]->data)); \
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} \
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\
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static inline size_t \
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M_C3(list_, name, _size)(const M_C3(list_, name,_t) list) \
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{ \
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assert (list != NULL); \
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size_t size = 0; \
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/* FIXME: Store size field within the list to get faster? */ \
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struct M_C3(list_, name, _s) *it = *list; \
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while (it != NULL) { \
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size ++; \
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it = it->next; \
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} \
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return size; \
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} \
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\
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static inline bool \
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M_C3(list_, name, _sublist_p)(const M_C3(list_, name,_t) list, \
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const M_C3(list_it_, name,_t) sublist) \
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{ \
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assert (list != NULL && sublist != NULL); \
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struct M_C3(list_, name, _s) *it = *list; \
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while (it != NULL) { \
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if (it == sublist[0].l[0]) return true; \
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it = it->next; \
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} \
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return (sublist[0].l[0] == NULL); \
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} \
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\
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static inline type * \
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M_C3(list_, name, _get)(const M_C3(list_, name,_t) list, size_t i) \
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{ \
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assert (list != NULL); \
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struct M_C3(list_, name, _s) *it = *list; \
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/* FIXME: How to avoid the double iteration over the list? */ \
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size_t len = M_C3(list_,name,_size)(list); \
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assert (i < len); \
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size_t j = len-1; \
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while (true) { \
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assert (it != NULL); \
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if (i == j) return &it->data; \
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it = it->next; \
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j--; \
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} \
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} \
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\
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static inline const type * \
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M_C3(list_, name, _cget)(const M_C3(list_, name,_t) l, size_t i) \
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{ \
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return M_C3(list_, name, _const_cast)(M_C3(list_, name, _get)(l,i)); \
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} \
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\
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static inline void \
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M_C3(list_, name, _insert)(M_C3(list_, name,_t) list, \
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M_C3(list_it_, name,_t) insertion_point, \
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type const x) \
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{ \
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assert (list != NULL && insertion_point != NULL); \
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assert(M_C3(list_, name, _sublist_p)(list, insertion_point)); \
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struct M_C3(list_, name, _s) *next; \
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next = M_GET_NEW oplist (struct M_C3(list_, name, _s)); \
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if (M_UNLIKELY (next == NULL)) { \
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M_MEMORY_FULL(sizeof (struct M_C3(list_, name, _s))); \
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return; \
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} \
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M_GET_INIT_SET oplist(next->data, x); \
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if (M_UNLIKELY (insertion_point[0].l[0] == NULL)) { \
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next->next = *list; \
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*list = next; \
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} else { \
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next->next = insertion_point[0].l[0]->next; \
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insertion_point[0].l[0]->next = next; \
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} \
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} \
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\
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static inline void \
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M_C3(list_, name, _remove)(M_C3(list_, name,_t) list, \
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M_C3(list_it_, name,_t) removing_point) \
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{ \
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assert (list != NULL && removing_point != NULL); \
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assert(removing_point[0].l[0] != NULL); \
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assert(M_C3(list_, name, _sublist_p)(list, removing_point)); \
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struct M_C3(list_, name, _s) *next = removing_point[0].l[0]->next; \
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if (M_UNLIKELY (removing_point->previous == NULL)) { \
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*list = next; \
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} else { \
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removing_point->previous->next = next; \
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} \
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M_GET_CLEAR oplist(removing_point[0].l[0]->data); \
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M_GET_DEL oplist (removing_point[0].l[0]); \
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removing_point[0].l[0] = next; \
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} \
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\
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static inline void \
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M_C3(list_, name, _move_back)(M_C3(list_, name,_t) nv, \
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M_C3(list_, name,_t) ov, \
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M_C3(list_it_, name,_t) it) \
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{ \
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assert (nv != NULL && ov != NULL && it != NULL && nv != ov); \
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assert(it[0].l[0] != NULL); \
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assert(M_C3(list_, name, _sublist_p)(ov, it)); \
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/* Remove it from ov */ \
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struct M_C3(list_, name, _s) *next = it[0].l[0]->next; \
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struct M_C3(list_, name, _s) *current = it[0].l[0]; \
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if (it->previous == NULL) { \
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*ov = next; \
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} else { \
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it->previous->next = next; \
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} \
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/* Update it to next element */ \
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it[0].l[0] = next; \
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/* Move current in nv */ \
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current->next = *nv; \
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*nv = current; \
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} \
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\
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static inline void \
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M_C3(list_, name, _set)(M_C3(list_, name,_t) list, \
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const M_C3(list_, name,_t) org) \
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{ \
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assert (list != NULL && org != NULL); \
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struct M_C3(list_, name, _s) *next, *it_org; \
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struct M_C3(list_, name, _s) **update_list; \
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if (list == org) return; \
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M_C3(list_, name, _clean)(list); \
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update_list = list; \
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it_org = *org; \
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while (it_org != NULL) { \
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next = M_GET_NEW oplist (struct M_C3(list_, name, _s)); \
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*update_list = next; \
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if (M_UNLIKELY (next == NULL)) { \
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M_MEMORY_FULL(sizeof (struct M_C3(list_, name, _s))); \
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return; \
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} \
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update_list = &next->next; \
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M_GET_INIT_SET oplist(next->data, it_org->data); \
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it_org = it_org->next; \
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} \
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*update_list = NULL; \
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} \
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\
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static inline void \
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M_C3(list_, name, _init_set)(M_C3(list_, name,_t) list, \
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const M_C3(list_, name,_t) org) \
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{ \
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assert (list != NULL && org != NULL && list != org); \
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M_C3(list_, name, _init)(list); \
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M_C3(list_, name, _set)(list, org); \
|
|
} \
|
|
\
|
|
static inline void \
|
|
M_C3(list_, name, _init_move)(M_C3(list_, name,_t) list, \
|
|
M_C3(list_, name,_t) org) \
|
|
{ \
|
|
assert (list != NULL && org != NULL && list != org); \
|
|
*list = *org; \
|
|
*org = NULL; \
|
|
} \
|
|
\
|
|
static inline void \
|
|
M_C3(list_, name, _move)(M_C3(list_, name,_t) list, \
|
|
M_C3(list_, name,_t) org) \
|
|
{ \
|
|
assert (list != NULL && org != NULL && list != org); \
|
|
M_C3(list_, name, _clear)(list); \
|
|
M_C3(list_, name, _init_move)(list, org); \
|
|
} \
|
|
\
|
|
static inline void \
|
|
M_C3(list_, name, _slice)(M_C3(list_, name,_t) list1, \
|
|
M_C3(list_, name,_t) list2) \
|
|
{ \
|
|
assert (list1 != NULL && list2 != NULL && list1 != list2); \
|
|
struct M_C3(list_, name, _s) **update_list = list1; \
|
|
struct M_C3(list_, name, _s) *it = *list1; \
|
|
while (it != NULL) { \
|
|
update_list = &it->next; \
|
|
it = it->next; \
|
|
} \
|
|
*update_list = *list2; \
|
|
*list2 = NULL; \
|
|
} \
|
|
\
|
|
static inline void \
|
|
M_C3(list_, name, _reverse)(M_C3(list_, name,_t) list) \
|
|
{ \
|
|
assert (list != NULL); \
|
|
struct M_C3(list_, name, _s) *previous = NULL, *it = *list, *next; \
|
|
while (it != NULL) { \
|
|
next = it->next; \
|
|
it->next = previous; \
|
|
previous = it; \
|
|
it = next; \
|
|
} \
|
|
*list = previous; \
|
|
} \
|
|
\
|
|
M_IF_METHOD(GET_STR, oplist)( \
|
|
static inline void \
|
|
M_C3(list_, name, _get_str)(string_t str, const M_C3(list_, name,_t) list, \
|
|
bool append) \
|
|
{ \
|
|
assert (str != NULL && list != NULL); \
|
|
(append ? string_cat_str : string_set_str) (str, "["); \
|
|
M_C3(list_it_, name, _t) it; \
|
|
for (M_C3(list_, name, _it)(it, list) ; \
|
|
!M_C3(list_, name, _end_p)(it); \
|
|
M_C3(list_, name, _next)(it)){ \
|
|
const type *item = M_C3(list_, name, _cref)(it); \
|
|
M_GET_GET_STR oplist (str, *item, true); \
|
|
if (!M_C3(list_, name, _last_p)(it)) \
|
|
string_push_back (str, M_GET_SEPARATOR oplist); \
|
|
} \
|
|
string_push_back (str, ']'); \
|
|
} \
|
|
, /* no str */ ) \
|
|
\
|
|
M_IF_METHOD(OUT_STR, oplist)( \
|
|
static inline void \
|
|
M_C3(list_, name, _out_str)(FILE *file, const M_C3(list_, name,_t) list) \
|
|
{ \
|
|
assert (file != NULL && list != NULL); \
|
|
fputc ('[', file); \
|
|
M_C3(list_it_, name, _t) it; \
|
|
for (M_C3(list_, name, _it)(it, list) ; \
|
|
!M_C3(list_, name, _end_p)(it); \
|
|
M_C3(list_, name, _next)(it)){ \
|
|
const type *item = M_C3(list_, name, _cref)(it); \
|
|
M_GET_OUT_STR oplist (file, *item); \
|
|
if (!M_C3(list_, name, _last_p)(it)) \
|
|
fputc (M_GET_SEPARATOR oplist, file); \
|
|
} \
|
|
fputc (']', file); \
|
|
} \
|
|
, /* no out_str */ ) \
|
|
\
|
|
M_IF_METHOD(IN_STR, oplist)( \
|
|
static inline bool \
|
|
M_C3(list_, name, _in_str)(M_C3(list_, name,_t) list, FILE *file) \
|
|
{ \
|
|
assert (file != NULL && list != NULL); \
|
|
M_C3(list_, name,_clean)(list); \
|
|
char c = fgetc(file); \
|
|
if (c != '[') return false; \
|
|
c = fgetc(file); \
|
|
if (c == ']') return true; \
|
|
ungetc(c, file); \
|
|
type item; \
|
|
M_GET_INIT oplist (item); \
|
|
do { \
|
|
bool b = M_GET_IN_STR oplist (item, file); \
|
|
c = fgetc(file); \
|
|
if (!b) { break; } \
|
|
M_C3(list_, name, _push_back)(list, item); \
|
|
} while (c == M_GET_SEPARATOR oplist && !feof(file) && !ferror(file)); \
|
|
M_GET_CLEAR oplist (item); \
|
|
M_C3(list_, name, _reverse)(list); \
|
|
return c == ']'; \
|
|
} \
|
|
, /* no in_str */ ) \
|
|
\
|
|
M_IF_METHOD(EQUAL, oplist)( \
|
|
static inline bool \
|
|
M_C3(list_, name, _equal_p)(const M_C3(list_, name,_t) list1, \
|
|
const M_C3(list_, name,_t) list2) \
|
|
{ \
|
|
assert (list1 != NULL && list2 != NULL); \
|
|
M_C3(list_it_, name, _t) it1; \
|
|
M_C3(list_it_, name, _t) it2; \
|
|
if (list1 == list2) return true; \
|
|
M_C3(list_, name, _it)(it1, list1); \
|
|
M_C3(list_, name, _it)(it2, list2); \
|
|
while (!M_C3(list_, name, _end_p)(it1) \
|
|
&&!M_C3(list_, name, _end_p)(it2)) { \
|
|
const type *item1 = M_C3(list_, name, _cref)(it1); \
|
|
const type *item2 = M_C3(list_, name, _cref)(it2); \
|
|
bool b = M_GET_EQUAL oplist (*item1, *item2); \
|
|
if (!b) return false; \
|
|
M_C3(list_, name, _next)(it1); \
|
|
M_C3(list_, name, _next)(it2); \
|
|
} \
|
|
return M_C3(list_, name, _end_p)(it1) \
|
|
&& M_C3(list_, name, _end_p)(it2); \
|
|
} \
|
|
, /* no equal */ ) \
|
|
\
|
|
M_IF_METHOD(HASH, oplist)( \
|
|
static inline size_t \
|
|
M_C3(list_, name, _hash)(const M_C3(list_, name,_t) list) \
|
|
{ \
|
|
assert (list != NULL); \
|
|
M_HASH_DECL(hash); \
|
|
M_C3(list_it_, name, _t) it; \
|
|
for(M_C3(list_, name, _it)(it, list) ; \
|
|
!M_C3(list_, name, _end_p)(it); \
|
|
M_C3(list_, name, _next)(it)) { \
|
|
const type *item = M_C3(list_, name, _cref)(it); \
|
|
size_t hi = M_GET_HASH oplist (*item); \
|
|
M_HASH_UP(hash, hi); \
|
|
} \
|
|
return hash; \
|
|
} \
|
|
, /* no hash */ ) \
|
|
\
|
|
|
|
#endif
|