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Support/ConvertUTF: restore compatibility with MSVC, which only implements C89 

llvm-svn: 211016
This commit is contained in:
Dmitri Gribenko 2014-06-16 11:22:33 +00:00
parent 1089db0ee6
commit caee8cbd57
1 changed files with 7 additions and 5 deletions
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12
llvm/lib/Support/ConvertUTF.c
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@ -396,6 +396,8 @@ Boolean isLegalUTF8Sequence(const UTF8 *source, const UTF8 *sourceEnd) {
static unsigned
findMaximalSubpartOfIllFormedUTF8Sequence(const UTF8 *source,
const UTF8 *sourceEnd) {
UTF8 b1, b2, b3;
assert(!isLegalUTF8Sequence(source, sourceEnd));
/*
@ -415,7 +417,7 @@ findMaximalSubpartOfIllFormedUTF8Sequence(const UTF8 *source,
* Byte Sequences.
*/
UTF8 b1 = *source;
b1 = *source;
++source;
if (b1 >= 0xC2 && b1 <= 0xDF) {
/*
@ -428,7 +430,7 @@ findMaximalSubpartOfIllFormedUTF8Sequence(const UTF8 *source,
if (source == sourceEnd)
return 1;
UTF8 b2 = *source;
b2 = *source;
++source;
if (b1 == 0xE0) {
@ -448,7 +450,7 @@ findMaximalSubpartOfIllFormedUTF8Sequence(const UTF8 *source,
if (source == sourceEnd)
return 2;
UTF8 b3 = *source;
b3 = *source;
return (b3 >= 0x80 && b3 <= 0xBF) ? 3 : 2;
}
return 1;
@ -458,7 +460,7 @@ findMaximalSubpartOfIllFormedUTF8Sequence(const UTF8 *source,
if (source == sourceEnd)
return 2;
UTF8 b3 = *source;
b3 = *source;
return (b3 >= 0x80 && b3 <= 0xBF) ? 3 : 2;
}
return 1;
@ -468,7 +470,7 @@ findMaximalSubpartOfIllFormedUTF8Sequence(const UTF8 *source,
if (source == sourceEnd)
return 2;
UTF8 b3 = *source;
b3 = *source;
return (b3 >= 0x80 && b3 <= 0xBF) ? 3 : 2;
}
return 1;