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.\" generated by cd2nroff 0.1 from CURLOPT_IGNORE_CONTENT_LENGTH.md
.TH CURLOPT_IGNORE_CONTENT_LENGTH 3 "2025-06-27" libcurl
.SH NAME
CURLOPT_IGNORE_CONTENT_LENGTH \- ignore content length
.SH SYNOPSIS
.nf
#include <curl/curl.h>
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_IGNORE_CONTENT_LENGTH,
long ignore);
.fi
.SH DESCRIPTION
If \fIignore\fP is set to 1L, ignore the Content\-Length header in the HTTP
response and ignore asking for or relying on it for FTP transfers.
This is useful for doing HTTP transfers with ancient web servers which report
incorrect content length for files over 2 gigabytes. If this option is used,
curl cannot accurately report progress, and it instead stops the download when
the server ends the connection.
It is also useful with FTP when for example the file is growing while the
transfer is in progress which otherwise unconditionally causes libcurl to
report error.
Only use this option if strictly necessary.
.SH DEFAULT
0
.SH PROTOCOLS
This functionality affects ftp and http
.SH EXAMPLE
.nf
int main(void)
{
CURL *curl = curl_easy_init();
if(curl) {
curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
/* we know the server is silly, ignore content-length */
curl_easy_setopt(curl, CURLOPT_IGNORE_CONTENT_LENGTH, 1L);
curl_easy_perform(curl);
}
}
.fi
.SH HISTORY
Support for FTP added in 7.46.0.
.SH AVAILABILITY
Added in curl 7.14.1
.SH RETURN VALUE
\fIcurl_easy_setopt(3)\fP returns a CURLcode indicating success or error.
CURLE_OK (0) means everything was OK, non\-zero means an error occurred, see
\fIlibcurl\-errors(3)\fP.
.SH SEE ALSO
.BR CURLOPT_HTTP_VERSION (3),
.BR CURLOPT_MAXFILESIZE_LARGE (3)