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Dan Fandrich changed CURLOPT_ENCODING to select all supported encodings if 

set to "".  This frees the application from having to know which encodings
 the library supports.
This commit is contained in:
Daniel Stenberg 2003-05-12 12:45:14 +00:00
parent 3994d67eea
commit c0197f19cf
4 changed files with 25 additions and 2 deletions
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4
lib/README.encoding
View File

@ -42,7 +42,9 @@ Currently, libcurl only understands how to process responses that use the
that will work (besides "identity," which does nothing) are "deflate" and
"gzip" If a response is encoded using the "compress" or methods, libcurl will
return an error indicating that the response could not be decoded. If
<string> is NULL or empty no Accept-Encoding header is generated.
<string> is NULL no Accept-Encoding header is generated. If <string> is a
zero-length string, then an Accept-Encoding header containing all supported
encodings will be generated.
The CURLOPT_ENCODING must be set to any non-NULL value for content to be
automatically decoded. If it is not set and the server still sends encoded

10
lib/content_encoding.h
View File

@ -20,6 +20,16 @@
*
* $Id$
***************************************************************************/
#include "setup.h"
/*
* Comma-separated list all supported Content-Encodings ('identity' is implied)
*/
#ifdef HAVE_LIBZ
#define ALL_CONTENT_ENCODINGS "deflate, gzip"
#else
#define ALL_CONTENT_ENCODINGS "identity"
#endif
CURLcode Curl_unencode_deflate_write(struct SessionHandle *data,
struct Curl_transfer_keeper *k,

4
lib/transfer.c
View File

@ -893,7 +893,9 @@ CURLcode Curl_readwrite(struct connectdata *conn,
if(k->badheader < HEADER_ALLBAD) {
/* This switch handles various content encodings. If there's an
error here, be sure to check over the almost identical code
in http_chunks.c. 08/29/02 jhrg */
in http_chunks.c. 08/29/02 jhrg
Make sure that ALL_CONTENT_ENCODINGS contains all the
encodings handled here. */
#ifdef HAVE_LIBZ
switch (k->content_encoding) {
case IDENTITY:

9
lib/url.c
View File

@ -106,6 +106,7 @@
#include "escape.h"
#include "strtok.h"
#include "share.h"
#include "content_encoding.h"
/* And now for the protocols */
#include "ftp.h"
@ -825,8 +826,16 @@ CURLcode Curl_setopt(struct SessionHandle *data, CURLoption option, ...)
case CURLOPT_ENCODING:
/*
* String to use at the value of Accept-Encoding header. 08/28/02 jhrg
*
* If the encoding is set to "" we use an Accept-Encoding header that
* encompasses all the encodings we support.
* If the encoding is set to NULL we don't send an Accept-Encoding header
* and ignore an received Content-Encoding header.
*
*/
data->set.encoding = va_arg(param, char *);
if(data->set.encoding && !*data->set.encoding)
data->set.encoding = (char*)ALL_CONTENT_ENCODINGS;
break;
case CURLOPT_USERPWD: