68 lines
2.2 KiB
C
68 lines
2.2 KiB
C
/*
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* HTTP header management (new model) - type definitions
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*
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* Copyright (C) 2014-2017 Willy Tarreau <willy@haproxy.org>
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* Copyright (C) 2017 HAProxy Technologies
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef _COMMON_HTTP_HDR_H
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#define _COMMON_HTTP_HDR_H
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#include <stdint.h>
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#include <common/ist.h>
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/* a header field made of a name and a value. Such structure stores 4 longs so
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* it takes 16 bytes on 32-bit systems and 32 bytes on 64-bit systems.
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*/
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struct http_hdr {
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struct ist n; /* name */
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struct ist v; /* value */
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};
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/* sets an http_hdr <hdr> to name <n> and value <v>. Useful to avoid casts in
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* immediate assignments.
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*/
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static inline void http_set_hdr(struct http_hdr *hdr, const struct ist n, const struct ist v)
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{
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hdr->n = n;
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hdr->v = v;
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}
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/* removes all occurrences of header name <n> in list <hdr> and returns the new count. The
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* list must be terminated by the empty header.
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*/
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static inline int http_del_hdr(struct http_hdr *hdr, const struct ist n)
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{
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int src = 0, dst = 0;
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do {
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if (!isteqi(hdr[src].n, n)) {
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if (src != dst)
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hdr[dst] = hdr[src];
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dst++;
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}
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} while (hdr[src++].n.len);
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return dst;
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}
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#endif /* _COMMON_HTTP_HDR_H */
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