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- /*****************************************************************************
- * _ _ ____ _
- * Project ___| | | | _ \| |
- * / __| | | | |_) | |
- * | (__| |_| | _ <| |___
- * \___|\___/|_| \_\_____|
- *
- * $Id$
- */
- #include <stdio.h>
- #include <string.h>
- #include <curl/curl.h>
- #include <curl/types.h>
- #include <curl/easy.h>
- /*
- * This is an example showing how to check a single file's size and mtime
- * from an FTP server.
- */
- static size_t throw_away(void *ptr, size_t size, size_t nmemb, void *data)
- {
- /* we are not interested in the headers itself,
- so we only return the size we would have saved ... */
- return (size_t)(size * nmemb);
- }
- int main(void)
- {
- /* Check for binutils 2.19.1 from ftp.gnu.org's FTP site. */
- char ftpurl[] = "ftp://ftp.gnu.org/gnu/binutils/binutils-2.19.1.tar.bz2";
- CURL *curl;
- CURLcode res;
- const time_t filetime;
- const double filesize;
- const char *filename = strrchr(ftpurl, '/') + 1;
- curl_global_init(CURL_GLOBAL_DEFAULT);
- curl = curl_easy_init();
- if(curl) {
- curl_easy_setopt(curl, CURLOPT_URL, ftpurl);
- /* No download if the file */
- curl_easy_setopt(curl, CURLOPT_NOBODY, 1L);
- /* Ask for filetime */
- curl_easy_setopt(curl, CURLOPT_FILETIME, 1L);
- /* No header output: TODO 14.1 http-style HEAD output for ftp */
- curl_easy_setopt(curl, CURLOPT_HEADERFUNCTION, throw_away);
- curl_easy_setopt(curl, CURLOPT_HEADER, 0L);
- /* Switch on full protocol/debug output */
- /* curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L); */
- res = curl_easy_perform(curl);
- if(CURLE_OK == res) {
- /* http://curl.haxx.se/libcurl/c/curl_easy_getinfo.html */
- res = curl_easy_getinfo(curl, CURLINFO_FILETIME, &filetime);
- if((CURLE_OK == res) && filetime)
- printf("filetime %s: %s", filename, ctime(&filetime));
- res = curl_easy_getinfo(curl, CURLINFO_CONTENT_LENGTH_DOWNLOAD, &filesize);
- if((CURLE_OK == res) && filesize)
- printf("filesize %s: %0.0f bytes\n", filename, filesize);
- } else {
- /* we failed */
- fprintf(stderr, "curl told us %d\n", res);
- }
- /* always cleanup */
- curl_easy_cleanup(curl);
- }
- curl_global_cleanup();
- return 0;
- }
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