1 /* $NetBSD: picohttpparser.h,v 1.4 2025/05/21 14:48:04 christos Exp $ */ 2 3 /* 4 * Copyright (c) 2009-2014 Kazuho Oku, Tokuhiro Matsuno, Daisuke Murase, 5 * Shigeo Mitsunari 6 * 7 * SPDX-License-Identifier: MIT 8 * 9 * The software is licensed under either the MIT License (below) or the Perl 10 * license. 11 * 12 * Permission is hereby granted, free of charge, to any person obtaining a copy 13 * of this software and associated documentation files (the "Software"), to 14 * deal in the Software without restriction, including without limitation the 15 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 16 * sell copies of the Software, and to permit persons to whom the Software is 17 * furnished to do so, subject to the following conditions: 18 * 19 * The above copyright notice and this permission notice shall be included in 20 * all copies or substantial portions of the Software. 21 * 22 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 23 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 24 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 25 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 26 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 27 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 28 * IN THE SOFTWARE. 29 */ 30 31 #ifndef picohttpparser_h 32 #define picohttpparser_h 33 34 #include <stdint.h> 35 #include <sys/types.h> 36 37 #ifdef _MSC_VER 38 #define ssize_t intptr_t 39 #endif 40 41 #ifdef __cplusplus 42 extern "C" { 43 #endif 44 45 /* contains name and value of a header (name == NULL if is a continuing line 46 * of a multiline header */ 47 struct phr_header { 48 const char *name; 49 size_t name_len; 50 const char *value; 51 size_t value_len; 52 }; 53 54 /* returns number of bytes consumed if successful, -2 if request is partial, 55 * -1 if failed */ 56 int 57 phr_parse_request(const char *buf, size_t len, const char **method, 58 size_t *method_len, const char **path, size_t *path_len, 59 int *minor_version, struct phr_header *headers, 60 size_t *num_headers, size_t last_len); 61 62 /* ditto */ 63 int 64 phr_parse_response(const char *_buf, size_t len, int *minor_version, 65 int *status, const char **msg, size_t *msg_len, 66 struct phr_header *headers, size_t *num_headers, 67 size_t last_len); 68 69 /* ditto */ 70 int 71 phr_parse_headers(const char *buf, size_t len, struct phr_header *headers, 72 size_t *num_headers, size_t last_len); 73 74 /* should be zero-filled before start */ 75 struct phr_chunked_decoder { 76 size_t bytes_left_in_chunk; /* number of bytes left in current chunk */ 77 char consume_trailer; /* if trailing headers should be consumed */ 78 char _hex_count; 79 char _state; 80 uint64_t _total_read; 81 uint64_t _total_overhead; 82 }; 83 84 /* the function rewrites the buffer given as (buf, bufsz) removing the chunked- 85 * encoding headers. When the function returns without an error, bufsz is 86 * updated to the length of the decoded data available. Applications should 87 * repeatedly call the function while it returns -2 (incomplete) every time 88 * supplying newly arrived data. If the end of the chunked-encoded data is 89 * found, the function returns a non-negative number indicating the number of 90 * octets left undecoded, that starts from the offset returned by `*bufsz`. 91 * Returns -1 on error. 92 */ 93 ssize_t 94 phr_decode_chunked(struct phr_chunked_decoder *decoder, char *buf, 95 size_t *bufsz); 96 97 /* returns if the chunked decoder is in middle of chunked data */ 98 int 99 phr_decode_chunked_is_in_data(struct phr_chunked_decoder *decoder); 100 101 #ifdef __cplusplus 102 } 103 #endif 104 105 #endif 106
Indexes created Sat Oct 24 00:25:45 UTC 2026