CMakeLua/Utilities/cmcurl-7.19.0/docs/examples/httpput.c

   1 /*****************************************************************************
   2  *                                  _   _ ____  _
   3  *  Project                     ___| | | |  _ \| |
   4  *                             / __| | | | |_) | |
   5  *                            | (__| |_| |  _ <| |___
   6  *                             \___|\___/|_| \_\_____|
   7  *
   8  * $Id: httpput.c,v 1.1.1.1 2008-09-23 16:32:05 hoffman Exp $
   9  */
  10
  11 #include <stdio.h>
  12 #include <fcntl.h>
  13 #include <sys/stat.h>
  14 #include <unistd.h>
  15
  16 #include <curl/curl.h>
  17
  18 /*
  19  * This example shows a HTTP PUT operation. PUTs a file given as a command
  20  * line argument to the URL also given on the command line.
  21  *
  22  * This example also uses its own read callback.
  23  *
  24  * Here's an article on how to setup a PUT handler for Apache:
  25  * http://www.apacheweek.com/features/put
  26  */
  27
  28 static size_t read_callback(void *ptr, size_t size, size_t nmemb, void *stream)
  29 {
  30   size_t retcode;
  31
  32   /* in real-world cases, this would probably get this data differently
  33      as this fread() stuff is exactly what the library already would do
  34      by default internally */
  35   retcode = fread(ptr, size, nmemb, stream);
  36
  37   fprintf(stderr, "*** We read %d bytes from file\n", retcode);
  38
  39   return retcode;
  40 }
  41
  42 int main(int argc, char **argv)
  43 {
  44   CURL *curl;
  45   CURLcode res;
  46   FILE * hd_src ;
  47   int hd ;
  48   struct stat file_info;
  49
  50   char *file;
  51   char *url;
  52
  53   if(argc < 3)
  54     return 1;
  55
  56   file= argv[1];
  57   url = argv[2];
  58
  59   /* get the file size of the local file */
  60   hd = open(file, O_RDONLY) ;
  61   fstat(hd, &file_info);
  62   close(hd) ;
  63
  64   /* get a FILE * of the same file, could also be made with
  65      fdopen() from the previous descriptor, but hey this is just
  66      an example! */
  67   hd_src = fopen(file, "rb");
  68
  69   /* In windows, this will init the winsock stuff */
  70   curl_global_init(CURL_GLOBAL_ALL);
  71
  72   /* get a curl handle */
  73   curl = curl_easy_init();
  74   if(curl) {
  75     /* we want to use our own read function */
  76     curl_easy_setopt(curl, CURLOPT_READFUNCTION, read_callback);
  77
  78     /* enable uploading */
  79     curl_easy_setopt(curl, CURLOPT_UPLOAD, 1L);
  80
  81     /* HTTP PUT please */
  82     curl_easy_setopt(curl, CURLOPT_PUT, 1L);
  83
  84     /* specify target URL, and note that this URL should include a file
  85        name, not only a directory */
  86     curl_easy_setopt(curl, CURLOPT_URL, url);
  87
  88     /* now specify which file to upload */
  89     curl_easy_setopt(curl, CURLOPT_READDATA, hd_src);
  90
  91     /* provide the size of the upload, we specicially typecast the value
  92        to curl_off_t since we must be sure to use the correct data size */
  93     curl_easy_setopt(curl, CURLOPT_INFILESIZE_LARGE,
  94                      (curl_off_t)file_info.st_size);
  95
  96     /* Now run off and do what you've been told! */
  97     res = curl_easy_perform(curl);
  98
  99     /* always cleanup */
 100     curl_easy_cleanup(curl);
 101   }
 102   fclose(hd_src); /* close the local file */
 103
 104   curl_global_cleanup();
 105   return 0;
 106 }