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ICU-8310 Use inline function to avoid dereferencing type-punned pointer warning

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X-SVN-Rev: 30410
This commit is contained in:
Michael Ow 2011-07-22 22:02:57 +00:00
parent 1836eb2957
commit e258161603
1 changed files with 7 additions and 3 deletions
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10
icu4c/source/layout/ExtensionSubtables.cpp
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@ -1,7 +1,7 @@
/*
* %W% %E%
*
* (C) Copyright IBM Corp. 2008-2010 - All Rights Reserved
* (C) Copyright IBM Corp. 2008-2011 - All Rights Reserved
*
*/
@ -16,7 +16,11 @@
U_NAMESPACE_BEGIN
// read a 32-bit value that might only be 16-bit-aligned in memory
#define READ_LONG(code) (le_uint32)((SWAPW(*(le_uint16*)&code) << 16) + SWAPW(*(((le_uint16*)&code) + 1)))
static inline le_uint32 READ_LONG(le_uint32 code) {
le_uint16* first = ((le_uint16*)&code);
le_uint16* second = (((le_uint16*)&code) + 1);
return (le_uint32)(SWAPW(*first << 16) + SWAPW(*second));
}
// FIXME: should look at the format too... maybe have a sub-class for it?
le_uint32 ExtensionSubtable::process(const LookupProcessor *lookupProcessor, le_uint16 lookupType,
@ -28,7 +32,7 @@ le_uint32 ExtensionSubtable::process(const LookupProcessor *lookupProcessor, le_
le_uint16 elt = SWAPW(extensionLookupType);
if (elt != lookupType) {
if (elt != lookupType) {
le_uint32 extOffset = READ_LONG(extensionOffset);
LookupSubtable *subtable = (LookupSubtable *) ((char *) this + extOffset);