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60 lines
1.6 KiB
Groff
60 lines
1.6 KiB
Groff
.\" generated by cd2nroff 0.1 from CURLOPT_RESUME_FROM.md
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.TH CURLOPT_RESUME_FROM 3 "March 15 2024" libcurl
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.SH NAME
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CURLOPT_RESUME_FROM \- offset to resume transfer from
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.SH SYNOPSIS
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.nf
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#include <curl/curl.h>
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CURLcode curl_easy_setopt(CURL *handle, CURLOPT_RESUME_FROM, long from);
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.fi
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.SH DESCRIPTION
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Pass a long as parameter. It contains the offset in number of bytes that you
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want the transfer to start from. Set this option to 0 to make the transfer
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start from the beginning (effectively disabling resume). For FTP, set this
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option to \-1 to make the transfer start from the end of the target file
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(useful to continue an interrupted upload).
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When doing uploads with FTP, the resume position is where in the local/source
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file libcurl should try to resume the upload from and it then appends the
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source file to the remote target file.
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If you need to resume a transfer beyond the 2GB limit, use
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\fICURLOPT_RESUME_FROM_LARGE(3)\fP instead.
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.SH DEFAULT
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0, not used
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.SH PROTOCOLS
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HTTP, FTP, SFTP, FILE
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.SH EXAMPLE
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.nf
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int main(void)
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{
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CURL *curl = curl_easy_init();
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if(curl) {
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long size_of_file;
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curl_easy_setopt(curl, CURLOPT_URL, "ftp://example.com");
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/* resume upload at byte index 200 */
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curl_easy_setopt(curl, CURLOPT_RESUME_FROM, 200L);
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/* ask for upload */
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curl_easy_setopt(curl, CURLOPT_UPLOAD, 1L);
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/* set total data amount to expect */
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curl_easy_setopt(curl, CURLOPT_INFILESIZE, size_of_file);
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/* Perform the request */
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curl_easy_perform(curl);
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}
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}
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.fi
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.SH AVAILABILITY
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Always
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.SH RETURN VALUE
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Returns CURLE_OK
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.SH SEE ALSO
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.BR CURLOPT_INFILESIZE (3),
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.BR CURLOPT_RANGE (3),
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.BR CURLOPT_RESUME_FROM_LARGE (3)
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