int get_convtype()

in win_unicode.c [36:98]

• 60 lines of code
• 22 McCabe index (conditional complexity)

int get_convtype(void)
{
	const UCHAR *cdt;

#if defined(__WCS_ISO10646__)
	if (convtype < 0)
	{
		wchar_t *wdt = L"a";
		int sizeof_w = sizeof(wchar_t);

		cdt = (UCHAR *) wdt;
		switch (sizeof_w)
		{
			case 2:
				if ('a'  == cdt[0] &&
				    '\0' == cdt[1] &&
				    '\0' == cdt[2] &&
				    '\0' == cdt[3])
				{
					MYLOG(MIN_LOG_LEVEL, " UTF-16LE detected\n");
					convtype = WCSTYPE_UTF16_LE;
					use_wcs = TRUE;
				}
				break;
			case 4:
				if ('a'  == cdt[0] &&
				    '\0' == cdt[1] &&
				    '\0' == cdt[2] &&
				    '\0' == cdt[3] &&
				    '\0' == cdt[4] &&
				    '\0' == cdt[5] &&
				    '\0' == cdt[6] &&
				    '\0' == cdt[7])
				{
					MYLOG(MIN_LOG_LEVEL, " UTF32-LE detected\n");
					convtype = WCSTYPE_UTF32_LE;
					use_wcs = TRUE;
				}
				break;
		}
	}
#endif /* __WCS_ISO10646__ */
#ifdef __CHAR16_UTF_16__
	if (convtype < 0)
	{
		char16_t *c16dt = u"a";

		cdt = (UCHAR *) c16dt;
		if ('a'  == cdt[0] &&
		    '\0' == cdt[1] &&
		    '\0' == cdt[2] &&
		    '\0' == cdt[3])
		{
			MYLOG(MIN_LOG_LEVEL, " C16_UTF-16LE detected\n");
			convtype = C16TYPE_UTF16_LE;
			use_c16 = TRUE;
		}
	}
#endif /* __CHAR16_UTF_16__ */
	if (convtype < 0)
		convtype = CONVTYPE_UNKNOWN;	/* unknown */
	return convtype;
}