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CURLOPT_HEADERFUNCTION: works for non-HTTP protocols too

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This commit is contained in:
Daniel Stenberg 2012-05-07 00:13:46 +02:00
parent 77bac26587
commit 3ebcfdda36
1 changed files with 4 additions and 1 deletions
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5
docs/libcurl/curl_easy_setopt.3
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@ -357,7 +357,7 @@ of bytes actually taken care of. If that amount differs from the amount passed
to your function, it'll signal an error to the library. This will abort the to your function, it'll signal an error to the library. This will abort the
transfer and return \fICURL_WRITE_ERROR\fP. transfer and return \fICURL_WRITE_ERROR\fP.
A complete header that is passed to this function can be up to A complete HTTP header that is passed to this function can be up to
\fICURL_MAX_HTTP_HEADER\fP (100K) bytes. \fICURL_MAX_HTTP_HEADER\fP (100K) bytes.
If this option is not set, or if it is set to NULL, but If this option is not set, or if it is set to NULL, but
@ -380,6 +380,9 @@ to detect it being a trailer and not an ordinary header: 1) it comes after the
response-body. 2) it comes after the final header line (CR LF) 3) a Trailer: response-body. 2) it comes after the final header line (CR LF) 3) a Trailer:
header among the regular response-headers mention what header(s) to expect in header among the regular response-headers mention what header(s) to expect in
the trailer. the trailer.
For non-HTTP protocols like FTP, POP3, IMAP and SMTP this function will get
called with the server responses to the commands that libcurl sends.
.IP CURLOPT_WRITEHEADER .IP CURLOPT_WRITEHEADER
(This option is also known as \fBCURLOPT_HEADERDATA\fP) Pass a pointer to be (This option is also known as \fBCURLOPT_HEADERDATA\fP) Pass a pointer to be
used to write the header part of the received data to. If you don't use used to write the header part of the received data to. If you don't use