attempt to reproduce a POST issue

quinq.c

#include <curl/curl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>

#define POSTFILE "debugit"
#define synurl "localhost"
#define ctimeout 10L

int main (void)
{
  struct stat stat;
  CURL *curl;
  FILE *f;
  long res;
  int r = -1;

  if (!(f = fopen(POSTFILE, "r")))
    return -1;
  if(fstat(fileno(f), &stat) < 0 || !(curl = curl_easy_init()))
    goto err;

  if (curl_easy_setopt(curl, CURLOPT_URL, synurl) ||
      curl_easy_setopt(curl, CURLOPT_NOPROGRESS, 1L) ||
      curl_easy_setopt(curl, CURLOPT_POST, 1L) ||
      curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L) ||
      curl_easy_setopt(curl, CURLOPT_READDATA, f) ||
      curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, (long)stat.st_size) ||
      curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, ctimeout) ||
      curl_easy_setopt(curl, CURLOPT_USERAGENT, "moo"))
    goto err;

  if (curl_easy_perform(curl) != CURLE_OK)
    goto err;

  curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &res);
  if (res != 200)
    goto err;

  r = 0;

  err:
  curl_easy_cleanup(curl);
  fclose(f);
  return r;
}