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wget: accept code 204.

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This commit is contained in:
Denis Vlasenko 2008-06-22 16:28:02 +00:00
parent 2a210e5df2
commit 50b5cac59f
1 changed files with 25 additions and 0 deletions
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25
networking/wget.c
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@ -598,6 +598,31 @@ int wget_main(int argc ATTRIBUTE_UNUSED, char **argv)
/* eat all remaining headers */;
goto read_response;
case 200:
/*
Response 204 doesn't say "null file", it says "metadata
has changed but data didn't":
"10.2.5 204 No Content
The server has fulfilled the request but does not need to return
an entity-body, and might want to return updated metainformation.
The response MAY include new or updated metainformation in the form
of entity-headers, which if present SHOULD be associated with
the requested variant.
If the client is a user agent, it SHOULD NOT change its document
view from that which caused the request to be sent. This response
is primarily intended to allow input for actions to take place
without causing a change to the user agent's active document view,
although any new or updated metainformation SHOULD be applied
to the document currently in the user agent's active view.
The 204 response MUST NOT include a message-body, and thus
is always terminated by the first empty line after the header fields."
However, in real world it was observed that some web servers
(e.g. Boa/0.94.14rc21) simply use code 204 when file size is zero.
*/
case 204:
break;
case 300: /* redirection */
case 301: