Commit bbc9c6d1 authored by Daniel Stenberg's avatar Daniel Stenberg
Browse files

CURLOPT_POSTFIELDS.3: explain the 100-continue magic better

parent 06a6feba
Loading
Loading
Loading
Loading
+5 −3
Original line number Original line Diff line number Diff line
@@ -5,7 +5,7 @@
.\" *                            | (__| |_| |  _ <| |___
.\" *                            | (__| |_| |  _ <| |___
.\" *                             \___|\___/|_| \_\_____|
.\" *                             \___|\___/|_| \_\_____|
.\" *
.\" *
.\" * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
.\" * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
.\" *
.\" *
.\" * This software is licensed as described in the file COPYING, which
.\" * This software is licensed as described in the file COPYING, which
.\" * you should have received as part of this distribution. The terms
.\" * you should have received as part of this distribution. The terms
@@ -52,8 +52,10 @@ the POST data from the read callback. If you want to send a zero-byte POST set
\fICURLOPT_POSTFIELDS(3)\fP to an empty string, or set \fICURLOPT_POST(3)\fP to
\fICURLOPT_POSTFIELDS(3)\fP to an empty string, or set \fICURLOPT_POST(3)\fP to
1 and \fICURLOPT_POSTFIELDSIZE(3)\fP to 0.
1 and \fICURLOPT_POSTFIELDSIZE(3)\fP to 0.


Using POST with HTTP 1.1 implies the use of a "Expect: 100-continue" header.
Using POST with HTTP 1.1 implies the use of a "Expect: 100-continue" header,
You can disable this header with \fICURLOPT_HTTPHEADER(3)\fP as usual.
and libcurl will add that header automatically if the POST is either known to
be larger than 1024 bytes or if the expected size is unknown. You can disable
this header with \fICURLOPT_HTTPHEADER(3)\fP as usual.


To make multipart/formdata posts (aka RFC2388-posts), check out the
To make multipart/formdata posts (aka RFC2388-posts), check out the
\fICURLOPT_HTTPPOST(3)\fP option combined with \fIcurl_formadd(3)\fP.
\fICURLOPT_HTTPPOST(3)\fP option combined with \fIcurl_formadd(3)\fP.