github.com/moontrade/nogc@v0.1.7/net/http/picohttpparser.h (about)

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