Linux under C language using Libcurl and implementation file upload __oracle

#include <stdio.h> #include <sys/io.h> #include <stdlib.h> #include <errno.h> #include < string.h> #include <fcntl.h> #include <sys/types.h> #include <sys/socket.h> #include <time.h  

> #include <curl/curl.h> #include <sys/stat.h> #include <dirent.h> #include <sys/inotify.h>

static char g_last_name[20]= "Upload_audio.mp3";
int Sendpostfile ();

unsigned long get_file_size ();      
    unsigned long get_file_size () {unsigned long filesize =-1;  
    struct stat statbuff;  
    if (Stat ("/home/user/upload_audio.mp3", &statbuff) < 0) {return filesize;  
    }else{filesize = statbuff.st_size;  
return filesize;
  int Sendpostfile () {CURL *curl;
  Curlcode Res;
  Char filesize[15]={0};

  sprintf (FileSize, "%lu", get_file_size);
  struct Curl_httppost *formpost=null;
  struct Curl_httppost *lastptr=null;
  struct Curl_slist *headerlist=null; static const char BUF[] = "Expect:";
   
   Curl_global_init (Curl_global_all); /* Fill in the File upload field */Curl_formadd (&formpost, &lastptr, Curlfo Rm_copyname, "UploadFile", Curlform_file, G_name, Curlform_contenttype, "application/o
     
   Ctet-stream ", curlform_end);  
   printf ("Curl_formadd filesize\n"); Curl_formadd (&formpost, &lastptr, Curlform_copyname, "filesize", curl 
	
  
   Form_copycontents, FileSize, curlform_end);  
   printf ("Curl_formadd submit\n"); Curl_formadd (&formpost, &lastptr, Curlform_copyname, "Upfile", Curlfo
    
   Rm_copycontents, "commit", curlform_end);
   Uplog ("Curl curl_easy_init\n");
  Curl = Curl_easy_init (); /* Initalize custom Header list (stating that expect:100-continue are not wanted * * Headerlist = Curl_slist_append (headerlist, buf);
    if (Curl) {Uplog ("Curl true begin post\n");
    /* What URL that receives this POST * * curl_easy_setopt (curl, Curlopt_url, post_file_url);
    Curl_easy_setopt (Curl, Curlopt_httpheader, headerlist);
    Curl_easy_setopt (Curl, Curlopt_httppost, formpost); 
    Curl_easy_setopt (Curl, Curlopt_infilesize_large, 1613);
    /* Perform the request, res'll get the return code */res = curl_easy_perform (curl); /* Check for errors/if (res!= CURLE_OK) {fprintf (stderr, "Curl_easy_perform () failed:%s\n", Curl_easy_strer
	  Ror (res));
	  Uplog ("Curl url_easy_perform () failed:%s \ n", Curl_easy_strerror (res));
	return-1; 
    }/* Always cleanup * * Curl_easy_cleanup (curl);
    /* Then cleanup the formpost chain * * Curl_formfree (formpost);
  /* Free Slist */Curl_slist_free_all (headerlist);
return 0; 
	} void Main (int argc, char *argv[]) {if (0==sendpostfile ()) {printf ("Sendpostfile success\n"); }else{PrintF ("Sendpostfile failed\n");
 }
}