89 lines
3.5 KiB
C
89 lines
3.5 KiB
C
/* list.h - header for VasEBoot list */
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/*
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* VAS_EBOOT -- GRand Unified Bootloader
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* Copyright (C) 2009 Free Software Foundation, Inc.
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*
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* VAS_EBOOT 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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* (at your option) any later version.
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*
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* VAS_EBOOT 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 VAS_EBOOT. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef VAS_EBOOT_LIST_HEADER
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#define VAS_EBOOT_LIST_HEADER 1
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#include <VasEBoot/symbol.h>
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#include <VasEBoot/err.h>
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#include <VasEBoot/compiler.h>
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struct VasEBoot_list
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{
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struct VasEBoot_list *next;
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struct VasEBoot_list **prev;
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};
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typedef struct VasEBoot_list *VasEBoot_list_t;
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void EXPORT_FUNC(VasEBoot_list_push) (VasEBoot_list_t *head, VasEBoot_list_t item);
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void EXPORT_FUNC(VasEBoot_list_remove) (VasEBoot_list_t item);
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#define FOR_LIST_ELEMENTS(var, list) for ((var) = (list); (var); (var) = (var)->next)
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#define FOR_LIST_ELEMENTS_NEXT(var, list) for ((var) = (var)->next; (var); (var) = (var)->next)
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#define FOR_LIST_ELEMENTS_SAFE(var, nxt, list) for ((var) = (list), (nxt) = ((var) ? (var)->next : 0); (var); (var) = (nxt), ((nxt) = (var) ? (var)->next : 0))
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static inline void *
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VasEBoot_bad_type_cast_real (int line, const char *file)
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VAS_EBOOT_ATTRIBUTE_ERROR ("bad type cast between incompatible VasEBoot types");
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static inline void *
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VasEBoot_bad_type_cast_real (int line, const char *file)
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{
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VasEBoot_fatal ("error:%s:%u: bad type cast between incompatible VasEBoot types",
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file, line);
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}
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#define VasEBoot_bad_type_cast() VasEBoot_bad_type_cast_real(__LINE__, VAS_EBOOT_FILE)
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#define VAS_EBOOT_FIELD_MATCH(ptr, type, field) \
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((char *) &(ptr)->field == (char *) &((type) (ptr))->field)
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#define VAS_EBOOT_AS_LIST(ptr) \
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(VAS_EBOOT_FIELD_MATCH (ptr, VasEBoot_list_t, next) && VAS_EBOOT_FIELD_MATCH (ptr, VasEBoot_list_t, prev) ? \
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(VasEBoot_list_t) ptr : (VasEBoot_list_t) VasEBoot_bad_type_cast ())
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#define VAS_EBOOT_AS_LIST_P(pptr) \
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(VAS_EBOOT_FIELD_MATCH (*pptr, VasEBoot_list_t, next) && VAS_EBOOT_FIELD_MATCH (*pptr, VasEBoot_list_t, prev) ? \
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(VasEBoot_list_t *) (void *) pptr : (VasEBoot_list_t *) VasEBoot_bad_type_cast ())
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struct VasEBoot_named_list
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{
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struct VasEBoot_named_list *next;
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struct VasEBoot_named_list **prev;
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char *name;
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};
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typedef struct VasEBoot_named_list *VasEBoot_named_list_t;
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void * EXPORT_FUNC(VasEBoot_named_list_find) (VasEBoot_named_list_t head,
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const char *name);
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#define VAS_EBOOT_AS_NAMED_LIST(ptr) \
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((VAS_EBOOT_FIELD_MATCH (ptr, VasEBoot_named_list_t, next) \
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&& VAS_EBOOT_FIELD_MATCH (ptr, VasEBoot_named_list_t, prev) \
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&& VAS_EBOOT_FIELD_MATCH (ptr, VasEBoot_named_list_t, name))? \
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(VasEBoot_named_list_t) ptr : (VasEBoot_named_list_t) VasEBoot_bad_type_cast ())
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#define VAS_EBOOT_AS_NAMED_LIST_P(pptr) \
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((VAS_EBOOT_FIELD_MATCH (*pptr, VasEBoot_named_list_t, next) \
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&& VAS_EBOOT_FIELD_MATCH (*pptr, VasEBoot_named_list_t, prev) \
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&& VAS_EBOOT_FIELD_MATCH (*pptr, VasEBoot_named_list_t, name))? \
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(VasEBoot_named_list_t *) (void *) pptr : (VasEBoot_named_list_t *) VasEBoot_bad_type_cast ())
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#endif /* ! VAS_EBOOT_LIST_HEADER */
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