[ACPICA]

[reactos.git] / reactos / drivers / bus / acpi / acpica / utilities / utstrtoul64.c

diff --git a/reactos/drivers/bus/acpi/acpica/utilities/utstrtoul64.c b/reactos/drivers/bus/acpi/acpica/utilities/utstrtoul64.c
index 8d1e9e7..7894a4c 100644 (file)
--- a/reactos/drivers/bus/acpi/acpica/utilities/utstrtoul64.c
+++ b/reactos/drivers/bus/acpi/acpica/utilities/utstrtoul64.c
@@ -311,8 +311,8 @@ AcpiUtStrtoulBase10 (
 
         /* Convert and insert (add) the decimal digit */
 
-        NextValue =
-            (ReturnValue * 10) + (AsciiDigit - ACPI_ASCII_ZERO);
+        AcpiUtShortMultiply (ReturnValue, 10, &NextValue);
+        NextValue += (AsciiDigit - ACPI_ASCII_ZERO);
 
         /* Check for overflow (32 or 64 bit) - return current converted value */
 
@@ -378,8 +378,8 @@ AcpiUtStrtoulBase16 (
 
         /* Convert and insert the hex digit */
 
-        ReturnValue =
-            (ReturnValue << 4) | AcpiUtAsciiCharToHex (AsciiDigit);
+        AcpiUtShortShiftLeft (ReturnValue, 4, &ReturnValue);
+        ReturnValue |= AcpiUtAsciiCharToHex (AsciiDigit);
 
         String++;
         ValidDigits++;