diff options
Diffstat (limited to 'lib/http_chunks.h')
| -rw-r--r-- | lib/http_chunks.h | 51 |
1 files changed, 19 insertions, 32 deletions
diff --git a/lib/http_chunks.h b/lib/http_chunks.h index 211818ab79..0489eb859e 100644 --- a/lib/http_chunks.h +++ b/lib/http_chunks.h @@ -1,5 +1,5 @@ -#ifndef __HTTP_CHUNKS_H -#define __HTTP_CHUNKS_H +#ifndef HEADER_CURL_HTTP_CHUNKS_H +#define HEADER_CURL_HTTP_CHUNKS_H /*************************************************************************** * _ _ ____ _ * Project ___| | | | _ \| | @@ -7,7 +7,7 @@ * | (__| |_| | _ <| |___ * \___|\___/|_| \_\_____| * - * Copyright (C) 1998 - 2005, Daniel Stenberg, <daniel@haxx.se>, et al. + * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al. * * This software is licensed as described in the file COPYING, which * you should have received as part of this distribution. The terms @@ -20,7 +20,6 @@ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY * KIND, either express or implied. * - * $Id$ ***************************************************************************/ /* * The longest possible hexadecimal number we support in a chunked transfer. @@ -30,36 +29,25 @@ #define MAXNUM_SIZE 16 typedef enum { - CHUNK_FIRST, /* never use */ - - /* In this we await and buffer all hexadecimal digits until we get one - that isn't a hexadecimal digit. When done, we go POSTHEX */ + /* await and buffer all hexadecimal digits until we get one that isn't a + hexadecimal digit. When done, we go CHUNK_LF */ CHUNK_HEX, - /* We have received the hexadecimal digit and we eat all characters until - we get a CRLF pair. When we see a CR we go to the CR state. */ - CHUNK_POSTHEX, - - /* A single CR has been found and we should get a LF right away in this - state or we go back to POSTHEX. When LF is received, we go to DATA. - If the size given was zero, we set state to STOP and return. */ - CHUNK_CR, + /* wait for LF, ignore all else */ + CHUNK_LF, /* We eat the amount of data specified. When done, we move on to the POST_CR state. */ CHUNK_DATA, - /* POSTCR should get a CR and nothing else, then move to POSTLF */ - CHUNK_POSTCR, - - /* POSTLF should get a LF and nothing else, then move back to HEX as the - CRLF combination marks the end of a chunk */ + /* POSTLF should get a CR and then a LF and nothing else, then move back to + HEX as the CRLF combination marks the end of a chunk. A missing CR is no + big deal. */ CHUNK_POSTLF, - /* This is mainly used to really mark that we're out of the game. - NOTE: that there's a 'dataleft' field in the struct that will tell how - many bytes that were not passed to the client in the end of the last - buffer! */ + /* Used to mark that we're out of the game. NOTE: that there's a 'dataleft' + field in the struct that will tell how many bytes that were not passed to + the client in the end of the last buffer! */ CHUNK_STOP, /* At this point optional trailer headers can be found, unless the next line @@ -74,10 +62,7 @@ typedef enum { signalled If this is an empty trailer CHUNKE_STOP will be signalled. Otherwise the trailer will be broadcasted via Curl_client_write() and the next state will be CHUNK_TRAILER */ - CHUNK_TRAILER_POSTCR, - - CHUNK_LAST /* never use */ - + CHUNK_TRAILER_POSTCR } ChunkyState; typedef enum { @@ -87,18 +72,20 @@ typedef enum { CHUNKE_ILLEGAL_HEX, CHUNKE_BAD_CHUNK, CHUNKE_WRITE_ERROR, - CHUNKE_STATE_ERROR, CHUNKE_BAD_ENCODING, CHUNKE_OUT_OF_MEMORY, CHUNKE_LAST } CHUNKcode; +const char *Curl_chunked_strerror(CHUNKcode code); + struct Curl_chunker { char hexbuffer[ MAXNUM_SIZE + 1]; int hexindex; ChunkyState state; - size_t datasize; + curl_off_t datasize; size_t dataleft; /* untouched data amount at the end of the last buffer */ }; -#endif +#endif /* HEADER_CURL_HTTP_CHUNKS_H */ + |