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106f631280
Functions hdr_idx_first_idx() and hdr_idx_first_pos() were missing a "const" qualifier on their arguments which are not modified, causing a warning in some experimental H2 code.
97 lines
3.0 KiB
C
97 lines
3.0 KiB
C
/*
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* include/proto/hdr_idx.h
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* This file defines function prototypes for fast header indexation.
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*
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* Copyright (C) 2000-2011 Willy Tarreau - w@1wt.eu
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation, version 2.1
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* exclusively.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef _PROTO_HDR_IDX_H
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#define _PROTO_HDR_IDX_H
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#include <common/config.h>
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#include <types/hdr_idx.h>
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extern struct pool_head *pool2_hdr_idx;
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/*
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* Initialize the list pointers.
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* list->size must already be set. If list->size is set and list->v is
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* non-null, list->v is also initialized..
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*/
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static inline void hdr_idx_init(struct hdr_idx *list)
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{
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if (list->size && list->v) {
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register struct hdr_idx_elem e = { .len=0, .cr=0, .next=0};
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list->v[0] = e;
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}
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list->tail = 0;
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list->used = list->last = 1;
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}
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/*
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* Return index of the first entry in the list. Usually, it means the index of
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* the first header just after the request or response. If zero is returned, it
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* means that the list is empty.
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*/
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static inline int hdr_idx_first_idx(const struct hdr_idx *list)
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{
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return list->v[0].next;
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}
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/*
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* Return position of the first entry in the list. Usually, it means the
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* position of the first header just after the request, but it can also be the
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* end of the headers if the request has no header. hdr_idx_start_idx() should
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* be checked before to ensure there is a valid header.
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*/
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static inline int hdr_idx_first_pos(const struct hdr_idx *list)
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{
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return list->v[0].len + list->v[0].cr + 1;
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}
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/*
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* Sets the information about the start line. Its length and the presence of
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* the CR are registered so that hdr_idx_first_pos() knows exactly where to
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* find the first header.
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*/
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static inline void hdr_idx_set_start(struct hdr_idx *list, int len, int cr)
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{
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list->v[0].len = len;
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list->v[0].cr = cr;
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}
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/*
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* Add a header entry to <list> after element <after>. <after> is ignored when
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* the list is empty or full. Common usage is to set <after> to list->tail.
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*
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* Returns the position of the new entry in the list (from 1 to size-1), or 0
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* if the array is already full. An effort is made to fill the array linearly,
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* but once the last entry has been used, we have to search for unused blocks,
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* which takes much more time. For this reason, it's important to size is
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* appropriately.
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*/
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int hdr_idx_add(int len, int cr, struct hdr_idx *list, int after);
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#endif /* _PROTO_HDR_IDX_H */
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/*
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* Local variables:
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* c-indent-level: 8
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* c-basic-offset: 8
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* End:
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*/
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