mirror of
https://github.com/moparisthebest/curl
synced 2024-11-10 19:45:04 -05:00
073332b525
Groff / Troff will display a:
printaf("Errno: %ld\n", error);
as:
printf("Errno: %ld0, error);
when a "\n" is not escaped. Use "\\n" instead.
Closes #3246
91 lines
2.8 KiB
Groff
91 lines
2.8 KiB
Groff
.\" **************************************************************************
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.\" * _ _ ____ _
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.\" * Project ___| | | | _ \| |
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.\" * / __| | | | |_) | |
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.\" * | (__| |_| | _ <| |___
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.\" * \___|\___/|_| \_\_____|
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.\" *
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.\" * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
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.\" *
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.\" * This software is licensed as described in the file COPYING, which
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.\" * you should have received as part of this distribution. The terms
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.\" * are also available at https://curl.haxx.se/docs/copyright.html.
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.\" *
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.\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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.\" * copies of the Software, and permit persons to whom the Software is
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.\" * furnished to do so, under the terms of the COPYING file.
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.\" *
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.\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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.\" * KIND, either express or implied.
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.\" *
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.\" **************************************************************************
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.\"
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.TH CURLOPT_CHUNK_DATA 3 "19 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options"
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.SH NAME
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CURLOPT_CHUNK_DATA \- custom pointer to the FTP chunk callbacks
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.SH SYNOPSIS
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#include <curl/curl.h>
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CURLcode curl_easy_setopt(CURL *handle, CURLOPT_CHUNK_DATA, void *pointer);
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.SH DESCRIPTION
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Pass a \fIpointer\fP that will be untouched by libcurl and passed as the ptr
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argument to the \fICURLOPT_CHUNK_BGN_FUNCTION(3)\fP and
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\fICURLOPT_CHUNK_END_FUNCTION(3)\fP.
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.SH DEFAULT
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NULL
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.SH PROTOCOLS
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FTP
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.SH EXAMPLE
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.nf
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static long file_is_coming(struct curl_fileinfo *finfo,
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struct callback_data *data,
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int remains)
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{
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printf("%3d %40s %10luB ", remains, finfo->filename,
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(unsigned long)finfo->size);
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switch(finfo->filetype) {
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case CURLFILETYPE_DIRECTORY:
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printf(" DIR\\n");
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break;
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case CURLFILETYPE_FILE:
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printf("FILE ");
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break;
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default:
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printf("OTHER\\n");
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break;
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}
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if(finfo->filetype == CURLFILETYPE_FILE) {
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/* do not transfer files >= 50B */
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if(finfo->size > 50) {
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printf("SKIPPED\\n");
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return CURL_CHUNK_BGN_FUNC_SKIP;
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}
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data->output = fopen(finfo->filename, "wb");
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if(!data->output) {
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return CURL_CHUNK_BGN_FUNC_FAIL;
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}
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}
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return CURL_CHUNK_BGN_FUNC_OK;
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}
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int main()
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{
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/* data for callback */
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struct callback_data callback_info;
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/* callback is called before download of concrete file started */
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curl_easy_setopt(curl, CURLOPT_CHUNK_BGN_FUNCTION, file_is_coming);
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curl_easy_setopt(curl, CURLOPT_CHUNK_DATA, &callback_info);
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}
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.fi
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.SH AVAILABILITY
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Added in 7.21.0
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.SH RETURN VALUE
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Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
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.SH "SEE ALSO"
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.BR CURLOPT_CHUNK_BGN_FUNCTION "(3), " CURLOPT_WILDCARDMATCH "(3), "
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