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51 lines
1.2 KiB
Groff
51 lines
1.2 KiB
Groff
.\" generated by cd2nroff 0.1 from CURLOPT_SEEKDATA.md
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.TH CURLOPT_SEEKDATA 3 "2024-06-01" libcurl
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.SH NAME
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CURLOPT_SEEKDATA \- pointer passed to the seek callback
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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_SEEKDATA, void *pointer);
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.fi
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.SH DESCRIPTION
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Data \fIpointer\fP to pass to the seek callback function. If you use the
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\fICURLOPT_SEEKFUNCTION(3)\fP option, this is the pointer you get as input.
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.SH DEFAULT
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If you do not set this, NULL is passed to the callback.
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.SH PROTOCOLS
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All
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.SH EXAMPLE
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.nf
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#include <unistd.h> /* for lseek() */
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struct data {
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int our_fd;
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};
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static int seek_cb(void *clientp, curl_off_t offset, int origin)
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{
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struct data *d = (struct data *)clientp;
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lseek(d->our_fd, offset, origin);
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return CURL_SEEKFUNC_OK;
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}
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int main(void)
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{
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struct data seek_data;
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CURL *curl = curl_easy_init();
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if(curl) {
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curl_easy_setopt(curl, CURLOPT_SEEKFUNCTION, seek_cb);
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curl_easy_setopt(curl, CURLOPT_SEEKDATA, &seek_data);
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}
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}
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.fi
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.SH AVAILABILITY
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Added in 7.18.0
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.SH RETURN VALUE
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.SH SEE ALSO
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.BR CURLOPT_DEBUGFUNCTION (3),
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.BR CURLOPT_IOCTLFUNCTION (3),
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.BR CURLOPT_SEEKFUNCTION (3),
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.BR CURLOPT_STDERR (3)
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