diff options
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/libcurl/curl_easy_setopt.3 | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/docs/libcurl/curl_easy_setopt.3 b/docs/libcurl/curl_easy_setopt.3 index 016bb9181..62d8aa1b0 100644 --- a/docs/libcurl/curl_easy_setopt.3 +++ b/docs/libcurl/curl_easy_setopt.3 @@ -670,6 +670,12 @@ set that Content-Type by default when this option is used), which is the most commonly used one by HTML forms. See also the \fICURLOPT_POST\fP. Using \fICURLOPT_POSTFIELDS\fP implies \fICURLOPT_POST\fP. +If you want to do a zero-byte POST, you need to set +\fICURLOPT_POSTFIELDSIZE\fP explicitly to zero, as simply setting +\fICURLOPT_POSTFIELDS\fP to NULL or "" just effectively disables the sending +of the specified string. libcurl will instead assume that you'll send the POST +data using the read callback! + Using POST with HTTP 1.1 implies the use of a "Expect: 100-continue" header. You can disable this header with \fICURLOPT_HTTPHEADER\fP as usual. |