shairport-sync/tinyhttp/header.h

62 lines
2.3 KiB
C

/*-
* Copyright 2012 Matthew Endsley
* All rights reserved
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted providing that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef HTTP_HEADER_H
#define HTTP_HEADER_H
#if defined(__cplusplus)
extern "C" {
#endif
enum http_header_status
{
http_header_status_done,
http_header_status_continue,
http_header_status_version_character,
http_header_status_code_character,
http_header_status_status_character,
http_header_status_key_character,
http_header_status_value_character,
http_header_status_store_keyvalue
};
/**
* Parses a single character of an HTTP header stream. The state parameter is
* used as internal state and should be initialized to zero for the first call.
* Return value is a value from the http_header_status enuemeration specifying
* the semantics of the character. If an error is encountered,
* http_header_status_done will be returned with a non-zero state parameter. On
* success http_header_status_done is returned with the state parameter set to
* zero.
*/
int http_parse_header_char(int* state, char ch);
#if defined(__cplusplus)
}
#endif
#endif