#include <stdio.h>
#include <string.h>

/* unix-specific */
#ifndef EIF_WINNT 
#include <sys/time.h>
#include <unistd.h> 
#endif

#include <curl/curl.h>

typedef char bool;
#define TRUE 1

#ifndef my_curl
#define my_curl

struct cURLMemoryStruct {
  char *memory;
  size_t size;
};

static void dump(const char *text, FILE *stream, unsigned char *ptr, size_t size,bool nohex)
{
  size_t i;
  size_t c;

  unsigned int width=0x10;

  if(nohex)
    /* without the hex output, we can fit more on screen */
    width = 0x400;

   fprintf(stream, "%s, %zd bytes (0x%zx)\n", text, size, size);

  for(i=0; i<size; i+= width) {

    fprintf(stream, "%04zx: ", i);

    if(!nohex) {
      /* hex not disabled, show it */
      for(c = 0; c < width; c++)
        if(i+c < size)
          fprintf(stream, "%02x ", ptr[i+c]);
        else
          fputs("   ", stream);
    }

    for(c = 0; (c < width) && (i+c < size); c++) {
      /* check for 0D0A; if found, skip past and start a new line of output */
      if (nohex && (i+c+1 < size) && ptr[i+c]==0x0D && ptr[i+c+1]==0x0A) {
        i+=(c+2-width);
        break;
      }
      fprintf(stream, "%c",
              (ptr[i+c]>=0x20) && (ptr[i+c]<0x80)?ptr[i+c]:'.');
      /* check again for 0D0A, to avoid an extra \n if it's at width */
      if (nohex && (i+c+2 < size) && ptr[i+c+1]==0x0D && ptr[i+c+2]==0x0A) {
        i+=(c+3-width);
        break;
      }
    }
    fputc('\n', stream); /* newline */
  }
  fflush(stream);
}

static int curl_trace(CURL *handle, curl_infotype type, unsigned char *data, size_t size, void *userp)
{
  const char *text;

  (void)handle; /* prevent compiler warning */

  switch (type) {
  case CURLINFO_TEXT:
    fprintf(stderr, "== Info: %s", data);
  default: /* in case a new one is introduced to shock us */
    return 0;

  case CURLINFO_HEADER_OUT:
    text = "=> Send header";
    break;
  case CURLINFO_DATA_OUT:
    text = "=> Send data";
    break;
  case CURLINFO_HEADER_IN:
    text = "<= Recv header";

    break;
  case CURLINFO_DATA_IN:
    text = "<= Recv data";
    break;
  }

  dump(text, stderr, data, size, TRUE);
  return 0;
}

static void *myrealloc(void *ptr, size_t size)
{
  /* There might be a realloc() out there that doesn't like reallocing
     NULL pointers, so we take care of it here */
  if(ptr)
     return realloc(ptr, size);
  else
     return malloc(size);
}

static size_t WriteMemoryCallback(void *ptr, size_t size, size_t nmemb, void *data)
{
  size_t realsize = size * nmemb;
  size_t totalsize;

  struct cURLMemoryStruct *mem = (struct cURLMemoryStruct *)data;

  mem->memory = (char *)myrealloc(mem->memory, mem->size + realsize + 1);
  
  if (mem->memory) {
    memcpy(&(mem->memory[mem->size]), ptr, realsize);
    mem->size += realsize;
    mem->memory[mem->size] = 0;
  } 
  	
  return realsize;
}

#endif