Merge recycle.(none):/src/bug22807/my50-bug22807

my_bool dynstr_append_os_quoted(DYNAMIC_STRING *str, const char *append, ...)

{

#ifdef __WIN__

  char quote_str[]= "\"";

  const char *quote_str= "\"";

  const uint  quote_len= 1;

#else

  char quote_str[]= "\'";

  const char *quote_str= "\'";

  const uint  quote_len= 1;

#endif /* __WIN__ */

  my_bool ret= TRUE;

  va_list dirty_text;

  ret&= dynstr_append(str, quote_str);          /* Leading quote */

  ret&= dynstr_append_mem(str, quote_str, quote_len); /* Leading quote */

  va_start(dirty_text, append);

  while (append != NullS)

  {

    char *cur_pos=  append;

    char *next_pos= cur_pos;

    const char  *cur_pos= append;

    const char *next_pos= cur_pos;

    /* Search for quote in each string and replace with escaped quote */

    while(*(next_pos= strcend(cur_pos, quote_str[0])) != '\0')

    {

      char *tmp_buff= my_malloc((next_pos - cur_pos) + 1, MYF(MY_ZEROFILL));

      strnmov(tmp_buff, cur_pos, (next_pos - cur_pos));

      ret&= dynstr_append(str, tmp_buff);

      my_free((gptr)tmp_buff, MYF(0));

      ret&= dynstr_append(str ,"\\");

      ret&= dynstr_append(str, quote_str);

      ret&= dynstr_append_mem(str, cur_pos, next_pos - cur_pos);

      ret&= dynstr_append_mem(str ,"\\", 1);

      ret&= dynstr_append_mem(str, quote_str, quote_len);

      cur_pos= next_pos + 1;

    }

    ret&= dynstr_append(str, cur_pos);

    ret&= dynstr_append_mem(str, cur_pos, next_pos - cur_pos);

    append= va_arg(dirty_text, char *);

  }

  va_end(dirty_text);

  ret&= dynstr_append(str, quote_str);          /* Trailing quote */

  ret&= dynstr_append_mem(str, quote_str, quote_len); /* Trailing quote */

  return ret;

}