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- curl_easy_setopt(ctx,CURLOPT_NOBODY ,1 );
- #include <stdio.h>
- #include <string.h>
- #include <curl/curl.h>
- /* Auxiliary function that waits on the socket. */
- static int wait_on_socket(curl_socket_t sockfd, int for_recv, long timeout_ms)
- {
- struct timeval tv;
- fd_set infd, outfd, errfd;
- int res;
- tv.tv_sec = timeout_ms / 1000;
- tv.tv_usec= (timeout_ms % 1000) * 1000;
- FD_ZERO(&infd);
- FD_ZERO(&outfd);
- FD_ZERO(&errfd);
- FD_SET(sockfd, &errfd); /* always check for error */
- if(for_recv)
- {
- FD_SET(sockfd, &infd);
- }
- else
- {
- FD_SET(sockfd, &outfd);
- }
- /* select() returns the number of signalled sockets or -1 */
- res = select(sockfd + 1, &infd, &outfd, &errfd, &tv);
- return res;
- }
- int main(void)
- {
- CURL *curl;
- CURLcode res;
- /* Minimalistic http request */
- const char *request = "GET / HTTP/1.0rnHost: m0g.netrnrn";
- curl_socket_t sockfd; /* socket */
- long sockextr;
- size_t iolen;
- curl_off_t nread;
- curl = curl_easy_init();
- if(curl) {
- curl_easy_setopt(curl, CURLOPT_URL, "http://m0g.net");
- /* Do not do the transfer - only connect to host */
- curl_easy_setopt(curl, CURLOPT_CONNECT_ONLY, 1L);
- res = curl_easy_perform(curl);
- if(CURLE_OK != res)
- {
- printf("Error: %sn", strerror(res));
- return 1;
- }
- /* Extract the socket from the curl handle - we'll need it for waiting.
- * Note that this API takes a pointer to a 'long' while we use
- * curl_socket_t for sockets otherwise.
- */
- res = curl_easy_getinfo(curl, CURLINFO_LASTSOCKET, &sockextr);
- if(CURLE_OK != res)
- {
- printf("Error: %sn", curl_easy_strerror(res));
- return 1;
- }
- sockfd = sockextr;
- /* wait for the socket to become ready for sending */
- if(!wait_on_socket(sockfd, 0, 60000L))
- {
- printf("Error: timeout.n");
- return 1;
- }
- puts("Sending request.");
- /* Send the request. Real applications should check the iolen
- * to see if all the request has been sent */
- res = curl_easy_send(curl, request, strlen(request), &iolen);
- if(CURLE_OK != res)
- {
- printf("Error: %sn", curl_easy_strerror(res));
- return 1;
- }
- puts("Reading response.");
- char data[2048];
- int idxread=0;
- /* read the response */
- for(;;)
- {
- char buf[1024];
- wait_on_socket(sockfd, 1, 60000L);
- res = curl_easy_recv(curl, buf, 32, &iolen);
- if(CURLE_OK != res)
- break;
- if (nread+idxread > 2048)
- break;
- strncpy(data+idxread,buf,nread);
- idxread+=nread;
- if (strstr(data,"rnrn") != NULL) {
- if (strstr(data,"Content-Type: text/html") == NULL) {
- printf("not an html document.");
- return 2;
- }
- }
- nread = (curl_off_t)iolen;
- printf("Received %" CURL_FORMAT_CURL_OFF_T " bytes.n", nread);
- }
- printf("'''%s'''n", data);
- /* always cleanup */
- curl_easy_cleanup(curl);
- }
- return 0;
- }
- #include <curl/curl.h>
- int main(int argc, char *argv[])
- {
- CURLcode ret;
- CURL *hnd = curl_easy_init();
- curl_easy_setopt(hnd, CURLOPT_URL, "http://www.haxx.se");
- curl_easy_setopt(hnd, CURLOPT_HEADER, 1);
- curl_easy_setopt(hnd, CURLOPT_NOBODY, 1);
- ret = curl_easy_perform(hnd);
- curl_easy_cleanup(hnd);
- }
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