Пример #1
0
/* Return:
 * -1 if error read (perror)
 * 0 close fd (check not here)
 * >0 read from fd one symbol. write to buffer then check overflow buf
 * and extend if it need.
 */
int ReadToBuffer (struct client * user, int fd)
{
	int rc;
	char c; 
	
	user->buf->str = user->buf->str;

	rc = read (fd, &c, sizeof(char));
	if ( rc == -1 )
	{
		perror ("read");
	}
	
	if ( user->buf->cnt  == BUF_SIZE * user->buf->part - 1)
	{
		ExtendBuffer (user->buf);
	}

	if ( rc != 0 )
	{
		user->buf->str[user->buf->cnt++] = c;
		user->buf->str[user->buf->cnt] = '\0';
	}

	return rc;
}
Пример #2
0
static int __gz_lines_iterator (lua_State *L)
{
  gzFile zf = (gzFile) lua_topointer (L, lua_upvalueindex(1));
  int ch = '\0';
  char* ret;

  if (content_buffer_length == 0)
    ExtendBuffer ();
  else
    ResetBuffer ();

  #ifdef READ_LINE_ONE_BY_ONE

  while ( (ch = gzgetc(zf)) != -1 && ch != '\n') {
    AddToBuffer ((char) ch);
  }

  #else

  do {
    ret = gzgets (zf, content_buffer + BufferFill (), BufferFree ());
    if (ret == Z_NULL)
      break;
    int l = strlen (content_buffer);
    content_length = l;
    if (l > 0) {
      ch = content_buffer[l - 1];
      if (ch != '\n')
	ExtendBuffer ();
      else
	content_buffer[l-1] = '\0';
    }
  } while (ret && ch != '\n');

  #endif

  if (ch == '\n' || BufferFill () > 0) {
    if (ch == '\n')
      
    lua_pushstring (L, FinishBuffer ());
    return 1;
  } else {
    return pushresult(L, &zf, NULL);
  }
}
Пример #3
0
static inline void AddToBuffer (char c)
{
  if (content_buffer_length == content_length)
    ExtendBuffer ();
  content_buffer [content_length++] = c;
}