SQLLEN bindpara_msg_to_utf8()

in win_unicode.c [991:1051]

• 56 lines of code
• 12 McCabe index (conditional complexity)

SQLLEN bindpara_msg_to_utf8(const char *ldt, char **wcsbuf, SQLLEN used)
{
	SQLLEN	l = (-2);
	char	*utf8 = NULL, *ldt_nts, *alloc_nts = NULL, ntsbuf[128];
	int		count;

	if (SQL_NTS == used)
	{
		count = strlen(ldt);
		ldt_nts = (char *) ldt;
	}
	else if (used < 0)
	{
		return -1;
	}
	else
	{
		count = used;
		if (used < sizeof(ntsbuf))
			ldt_nts = ntsbuf;
		else
		{
			if (NULL == (alloc_nts = malloc(used + 1)))
				return l;
			ldt_nts = alloc_nts;
		}
		memcpy(ldt_nts, ldt, used);
		ldt_nts[used] = '\0';
	}

	get_convtype();
	MYLOG(MIN_LOG_LEVEL, " \n");
#if defined(__WCS_ISO10646__)
	if (use_wcs)
	{
		wchar_t	*wcsdt = (wchar_t *) malloc((count + 1) * sizeof(wchar_t));

		if ((l = msgtowstr(ldt_nts, (wchar_t *) wcsdt, count + 1)) >= 0)
			utf8 = wcs_to_utf8(wcsdt, -1, &l, FALSE);
		free(wcsdt);
	}
#endif /* __WCS_ISO10646__ */
#ifdef __CHAR16_UTF_16__
	if (use_c16)
	{
		SQLWCHAR	*utf16 = (SQLWCHAR *) malloc((count + 1) * sizeof(SQLWCHAR));

		if ((l = mbstoc16_lf((char16_t *) utf16, ldt_nts, count + 1, FALSE)) >= 0)
			utf8 = ucs2_to_utf8(utf16, -1, &l, FALSE);
		free(utf16);
	}
#endif /* __CHAR16_UTF_16__ */
	if (l < 0 && NULL != utf8)
		free(utf8);
	else
		*wcsbuf = (char *) utf8;

	if (NULL != alloc_nts)
		free(alloc_nts);
	return l;
}