Function llliGetNumber

freebsd/kern/kern_ubsan.c:1474–1515

#endif

static longest
llliGetNumber(char *szLocation, struct CTypeDescriptor *pType, unsigned long ulNumber)
{
	size_t zNumberWidth;
	longest L = 0;

	ASSERT(szLocation);
	ASSERT(pType);

	zNumberWidth = zDeserializeTypeWidth(pType);
	switch (zNumberWidth) {
	default:
		Report(true, "UBSan: Unexpected %zu-Bit Type in %s\n", zNumberWidth, szLocation);
		/* NOTREACHED */
	case WIDTH_128:
#ifdef __SIZEOF_INT128__
		memcpy(&L, REINTERPRET_CAST(longest *, ulNumber), sizeof(longest));
#else
		Report(true, "UBSan: Unexpected 128-Bit Type in %s\n", szLocation);
		/* NOTREACHED */
#endif
		break;
	case WIDTH_64:
		if (sizeof(ulNumber) * CHAR_BIT < WIDTH_64) {
			L = *REINTERPRET_CAST(int64_t *, ulNumber);
		} else {
			L = STATIC_CAST(int64_t, STATIC_CAST(uint64_t, ulNumber));
		}
		break;
	case WIDTH_32:
		L = STATIC_CAST(int32_t, STATIC_CAST(uint32_t, ulNumber));
		break;
	case WIDTH_16:
		L = STATIC_CAST(int16_t, STATIC_CAST(uint16_t, ulNumber));
		break;
	case WIDTH_8:
		L = STATIC_CAST(int8_t, STATIC_CAST(uint8_t, ulNumber));
		break;
	}

	return L;
}

static ulongest
llluGetNumber(char *szLocation, struct CTypeDescriptor *pType, unsigned long ulNumber)