docs/examples/fileupload.c

   1 /*****************************************************************************
   2  *                                  _   _ ____  _
   3  *  Project                     ___| | | |  _ \| |
   4  *                             / __| | | | |_) | |
   5  *                            | (__| |_| |  _ <| |___
   6  *                             \___|\___/|_| \_\_____|
   7  *
   8  */
   9
  10 #include <stdio.h>
  11 #include <curl/curl.h>
  12 #include <sys/stat.h>
  13 #include <fcntl.h>
  14
  15 int main(void)
  16 {
  17   CURL *curl;
  18   CURLcode res;
  19   struct stat file_info;
  20   double speed_upload, total_time;
  21   FILE *fd;
  22
  23   fd = fopen("debugit", "rb"); /* open file to upload */
  24   if(!fd) {
  25
  26     return 1; /* can't continue */
  27   }
  28
  29   /* to get the file size */
  30   if(fstat(fileno(fd), &file_info) != 0) {
  31
  32     return 1; /* can't continue */
  33   }
  34
  35   curl = curl_easy_init();
  36   if(curl) {
  37     /* upload to this place */
  38     curl_easy_setopt(curl, CURLOPT_URL,
  39                      "file:///home/dast/src/curl/debug/new");
  40
  41     /* tell it to "upload" to the URL */
  42     curl_easy_setopt(curl, CURLOPT_UPLOAD, 1L);
  43
  44     /* set where to read from (on Windows you need to use READFUNCTION too) */
  45     curl_easy_setopt(curl, CURLOPT_READDATA, fd);
  46
  47     /* and give the size of the upload (optional) */
  48     curl_easy_setopt(curl, CURLOPT_INFILESIZE_LARGE,
  49                      (curl_off_t)file_info.st_size);
  50
  51     /* enable verbose for easier tracing */
  52     curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
  53
  54     res = curl_easy_perform(curl);
  55
  56     /* now extract transfer info */
  57     curl_easy_getinfo(curl, CURLINFO_SPEED_UPLOAD, &speed_upload);
  58     curl_easy_getinfo(curl, CURLINFO_TOTAL_TIME, &total_time);
  59
  60     fprintf(stderr, "Speed: %.3f bytes/sec during %.3f seconds\n",
  61             speed_upload, total_time);
  62
  63     /* always cleanup */
  64     curl_easy_cleanup(curl);
  65   }
  66   return 0;
  67 }