mirror of
https://github.com/moparisthebest/curl
synced 2024-12-21 23:58:49 -05:00
93 lines
2.6 KiB
C
93 lines
2.6 KiB
C
/***************************************************************************
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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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#include <stdio.h>
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#include <curl/curl.h>
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/* <DESC>
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* Get a single file from an FTP server.
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* </DESC>
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*/
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struct FtpFile {
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const char *filename;
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FILE *stream;
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};
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static size_t my_fwrite(void *buffer, size_t size, size_t nmemb, void *stream)
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{
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struct FtpFile *out = (struct FtpFile *)stream;
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if(out && !out->stream) {
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/* open file for writing */
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out->stream = fopen(out->filename, "wb");
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if(!out->stream)
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return -1; /* failure, can't open file to write */
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}
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return fwrite(buffer, size, nmemb, out->stream);
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}
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int main(void)
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{
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CURL *curl;
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CURLcode res;
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struct FtpFile ftpfile = {
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"curl.tar.gz", /* name to store the file as if successful */
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NULL
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};
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curl_global_init(CURL_GLOBAL_DEFAULT);
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curl = curl_easy_init();
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if(curl) {
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/*
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* You better replace the URL with one that works!
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*/
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curl_easy_setopt(curl, CURLOPT_URL,
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"ftp://ftp.example.com/curl/curl-7.9.2.tar.gz");
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/* Define our callback to get called when there's data to be written */
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curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, my_fwrite);
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/* Set a pointer to our struct to pass to the callback */
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curl_easy_setopt(curl, CURLOPT_WRITEDATA, &ftpfile);
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/* Switch on full protocol/debug output */
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curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
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res = curl_easy_perform(curl);
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/* always cleanup */
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curl_easy_cleanup(curl);
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if(CURLE_OK != res) {
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/* we failed */
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fprintf(stderr, "curl told us %d\n", res);
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}
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}
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if(ftpfile.stream)
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fclose(ftpfile.stream); /* close the local file */
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curl_global_cleanup();
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return 0;
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}
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