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CURLOPT_IN...SIZE_LARGE(3) Library Functions Manual CURLOPT_IN...SIZE_LARGE(3)

NAME
       CURLOPT_INFILESIZE_LARGE	- size of the input file to send off

SYNOPSIS
       #include	<curl/curl.h>

       CURLcode	curl_easy_setopt(CURL *handle, CURLOPT_INFILESIZE_LARGE,
				 curl_off_t filesize);

DESCRIPTION
       When uploading a	file to	a remote site, filesize	should be used to tell
       libcurl what the	expected size of the input file	is. This value must be
       passed as a curl_off_t.

       For uploading using SCP,	this option or CURLOPT_INFILESIZE(3) is	manda-
       tory.

       To unset	this value again, set it to -1.

       When sending emails using SMTP, this command can	be used	to specify the
       optional	SIZE parameter for the MAIL FROM command.

       This  option  does  not	limit how much data libcurl actually sends, as
       that is controlled entirely by what  the	 read  callback	 returns,  but
       telling one value and sending a different amount	may lead to errors.

DEFAULT
       Unset

PROTOCOLS
       This functionality affects all supported	protocols

EXAMPLE
       #define FILE_SIZE 123456

       int main(void)
       {
	 CURL *curl = curl_easy_init();
	 if(curl) {
	   curl_off_t uploadsize = FILE_SIZE;

	   curl_easy_setopt(curl, CURLOPT_URL,
			    "ftp://example.com/destination.tar.gz");

	   curl_easy_setopt(curl, CURLOPT_UPLOAD, 1L);

	   curl_easy_setopt(curl, CURLOPT_INFILESIZE_LARGE, uploadsize);

	   curl_easy_perform(curl);
	 }
       }

HISTORY
       SMTP support added in 7.23.0

AVAILABILITY
       Added in	curl 7.11.0

RETURN VALUE
       curl_easy_setopt(3) returns a CURLcode indicating success or error.

       CURLE_OK	(0) means everything was OK, non-zero means an error occurred,
       see libcurl-errors(3).

SEE ALSO
       CURLINFO_CONTENT_LENGTH_UPLOAD_T(3), CURLOPT_INFILESIZE(3), CURLOPT_UP-
       LOAD(3)

libcurl				  2025-06-03	    CURLOPT_IN...SIZE_LARGE(3)

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