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curl_formadd.3: setting CURLFORM_CONTENTSLENGTH 0 zero means strlen

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Daniel Stenberg 2014-08-29 08:10:38 +02:00
parent 7bff23b166
commit 367b784738
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docs/libcurl/curl_formadd.3
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@ -86,6 +86,10 @@ you must set its length with \fBCURLFORM_CONTENTSLENGTH\fP.
.IP CURLFORM_CONTENTSLENGTH
followed by a long giving the length of the contents. Note that for
\fICURLFORM_STREAM\fP contents, this option is mandatory.
If you pass a 0 (zero) for this option, libcurl will instead do a strlen() on
the contents to figure out the size. If you really want to send a zero byte
content then you must make sure strlen() on the data pointer returns zero.
.IP CURLFORM_FILECONTENT
followed by a filename, causes that file to be read and its contents used
as data in this part. This part does \fInot\fP automatically become a file