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proper way of doing list move

This commit is contained in:
Lev Walkin 2004-08-25 00:42:44 +00:00
parent 1ef0516f46
commit c7d17be458
1 changed files with 16 additions and 10 deletions
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26
libasn1parser/asn1p_list.h
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@ -4,19 +4,25 @@
#ifndef ASN1_PARSER_LIST_H
#define ASN1_PARSER_LIST_H
#define TQ_HEAD(type) \
struct { \
type *tq_head; \
type**tq_tail; \
#define TQ_HEAD(type) \
struct { \
type *tq_head; \
type**tq_tail; \
}
#define TQ_HEAD_COPY(to, from) \
do { (to)->tq_head = (from)->tq_head; \
(to)->tq_tail = (from)->tq_tail; } while(0)
#define TQ_MOVE(to, from) do { \
if(&(TQ_FIRST(from)) == (from)->tq_tail) { \
TQ_INIT(to); \
} else { \
(to)->tq_head = (from)->tq_head; \
(to)->tq_tail = (from)->tq_tail; \
} \
TQ_INIT(from); \
} while(0)
#define TQ_ENTRY(type) \
struct { \
type *tq_next; \
#define TQ_ENTRY(type) \
struct { \
type *tq_next; \
}
#define TQ_FIRST(headp) ((headp)->tq_head)